feat(smart-app): implement complete mobile app MVP

- App.tsx: full navigation (Auth stack + Main tabs with 5 screens)
- Auth: LoginScreen, RegisterScreen, ForgotPasswordScreen
- HomeScreen: dashboard with IoT metrics, weather widget, alerts, quick actions, sensors
- MapScreen: interactive map with layer toggles (6 layers)
- MarketplaceScreen: categories (6), products (5), search
- ChatScreen: AI chat with quick prompts (4), bot responses
- ProfileScreen: user info, stats, menu (9 items), logout
- AlertsScreen: alert list with severity, acknowledge
- SensorsScreen: sensor list with type filters (6 types), search
- ZonesScreen: zone cards with stats
- SettingsScreen: language picker (FR/EN/ES/DE), privacy, about
- Stores: iotStore (sensors, zones, alerts), notificationStore, uiStore + i18n
- Hooks: useSensors, useAlerts, useNotifications, useLocation
- Components: Card, Button, LoadingSpinner, ErrorBoundary, Header
- Services: iotService, notificationService (with axios API client)
- Utils: formatters (temp, AQI, noise, dates), validators (email, password, IBAN)
- Theme: colors.ts with full design system (Blue Ocean palette)
- Ditto: fixed MongoDB connection, new JWT secrets, official gateway image
This commit is contained in:
Eric FELIXINE
2026-06-01 18:00:35 -04:00
parent 08ca495bde
commit e30ae8ed09
35578 changed files with 3703534 additions and 43 deletions

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MIT License
Copyright (c) Facebook, Inc. and its affiliates.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/// <reference types="node" />
import type * as Global from './Global';
declare type Process = NodeJS.Process;
export declare type DoneFn = Global.DoneFn;
export declare type BlockFn = Global.BlockFn;
export declare type BlockName = Global.BlockName;
export declare type BlockMode = void | 'skip' | 'only' | 'todo';
export declare type TestMode = BlockMode;
export declare type TestName = Global.TestName;
export declare type TestFn = Global.TestFn;
export declare type HookFn = Global.HookFn;
export declare type AsyncFn = TestFn | HookFn;
export declare type SharedHookType = 'afterAll' | 'beforeAll';
export declare type HookType = SharedHookType | 'afterEach' | 'beforeEach';
export declare type TestContext = Record<string, unknown>;
export declare type Exception = any;
export declare type FormattedError = string;
export declare type Hook = {
asyncError: Error;
fn: HookFn;
type: HookType;
parent: DescribeBlock;
timeout: number | undefined | null;
};
export interface EventHandler {
(event: AsyncEvent, state: State): void | Promise<void>;
(event: SyncEvent, state: State): void;
}
export declare type Event = SyncEvent | AsyncEvent;
interface JestGlobals extends Global.TestFrameworkGlobals {
expect: unknown;
}
export declare type SyncEvent = {
asyncError: Error;
mode: BlockMode;
name: 'start_describe_definition';
blockName: BlockName;
} | {
mode: BlockMode;
name: 'finish_describe_definition';
blockName: BlockName;
} | {
asyncError: Error;
name: 'add_hook';
hookType: HookType;
fn: HookFn;
timeout: number | undefined;
} | {
asyncError: Error;
name: 'add_test';
testName: TestName;
fn: TestFn;
mode?: TestMode;
timeout: number | undefined;
} | {
name: 'error';
error: Exception;
};
export declare type AsyncEvent = {
name: 'setup';
testNamePattern?: string;
runtimeGlobals: JestGlobals;
parentProcess: Process;
} | {
name: 'include_test_location_in_result';
} | {
name: 'hook_start';
hook: Hook;
} | {
name: 'hook_success';
describeBlock?: DescribeBlock;
test?: TestEntry;
hook: Hook;
} | {
name: 'hook_failure';
error: string | Exception;
describeBlock?: DescribeBlock;
test?: TestEntry;
hook: Hook;
} | {
name: 'test_fn_start';
test: TestEntry;
} | {
name: 'test_fn_success';
test: TestEntry;
} | {
name: 'test_fn_failure';
error: Exception;
test: TestEntry;
} | {
name: 'test_retry';
test: TestEntry;
} | {
name: 'test_start';
test: TestEntry;
} | {
name: 'test_skip';
test: TestEntry;
} | {
name: 'test_todo';
test: TestEntry;
} | {
name: 'test_done';
test: TestEntry;
} | {
name: 'run_describe_start';
describeBlock: DescribeBlock;
} | {
name: 'run_describe_finish';
describeBlock: DescribeBlock;
} | {
name: 'run_start';
} | {
name: 'run_finish';
} | {
name: 'teardown';
};
export declare type MatcherResults = {
actual: unknown;
expected: unknown;
name: string;
pass: boolean;
};
export declare type TestStatus = 'skip' | 'done' | 'todo';
export declare type TestResult = {
duration?: number | null;
errors: Array<FormattedError>;
errorsDetailed: Array<MatcherResults | unknown>;
invocations: number;
status: TestStatus;
location?: {
column: number;
line: number;
} | null;
testPath: Array<TestName | BlockName>;
};
export declare type RunResult = {
unhandledErrors: Array<FormattedError>;
testResults: TestResults;
};
export declare type TestResults = Array<TestResult>;
export declare type GlobalErrorHandlers = {
uncaughtException: Array<(exception: Exception) => void>;
unhandledRejection: Array<(exception: Exception, promise: Promise<unknown>) => void>;
};
export declare type State = {
currentDescribeBlock: DescribeBlock;
currentlyRunningTest?: TestEntry | null;
expand?: boolean;
hasFocusedTests: boolean;
hasStarted: boolean;
originalGlobalErrorHandlers?: GlobalErrorHandlers;
parentProcess: Process | null;
rootDescribeBlock: DescribeBlock;
testNamePattern?: RegExp | null;
testTimeout: number;
unhandledErrors: Array<Exception>;
includeTestLocationInResult: boolean;
};
export declare type DescribeBlock = {
type: 'describeBlock';
children: Array<DescribeBlock | TestEntry>;
hooks: Array<Hook>;
mode: BlockMode;
name: BlockName;
parent?: DescribeBlock;
/** @deprecated Please get from `children` array instead */
tests: Array<TestEntry>;
};
export declare type TestError = Exception | [Exception | undefined, Exception];
export declare type TestEntry = {
type: 'test';
asyncError: Exception;
errors: Array<TestError>;
fn: TestFn;
invocations: number;
mode: TestMode;
name: TestName;
parent: DescribeBlock;
startedAt?: number | null;
duration?: number | null;
status?: TestStatus | null;
timeout?: number;
};
export {};

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/// <reference types="node" />
import type { ForegroundColor } from 'chalk';
import type { ReportOptions } from 'istanbul-reports';
import type { Arguments } from 'yargs';
declare type CoverageProvider = 'babel' | 'v8';
declare type Timers = 'real' | 'fake' | 'modern' | 'legacy';
export declare type Path = string;
export declare type Glob = string;
export declare type HasteConfig = {
/** Whether to hash files using SHA-1. */
computeSha1?: boolean;
/** The platform to use as the default, e.g. 'ios'. */
defaultPlatform?: string | null;
/** Path to a custom implementation of Haste. */
hasteImplModulePath?: string;
/** All platforms to target, e.g ['ios', 'android']. */
platforms?: Array<string>;
/** Whether to throw on error on module collision. */
throwOnModuleCollision?: boolean;
};
export declare type CoverageReporterName = keyof ReportOptions;
export declare type CoverageReporterWithOptions<K = CoverageReporterName> = K extends CoverageReporterName ? ReportOptions[K] extends never ? never : [K, Partial<ReportOptions[K]>] : never;
export declare type CoverageReporters = Array<CoverageReporterName | CoverageReporterWithOptions>;
export declare type ReporterConfig = [string, Record<string, unknown>];
export declare type TransformerConfig = [string, Record<string, unknown>];
export interface ConfigGlobals {
[K: string]: unknown;
}
export declare type DefaultOptions = {
automock: boolean;
bail: number;
cache: boolean;
cacheDirectory: Path;
changedFilesWithAncestor: boolean;
clearMocks: boolean;
collectCoverage: boolean;
coveragePathIgnorePatterns: Array<string>;
coverageReporters: Array<CoverageReporterName>;
coverageProvider: CoverageProvider;
errorOnDeprecated: boolean;
expand: boolean;
forceCoverageMatch: Array<Glob>;
globals: ConfigGlobals;
haste: HasteConfig;
injectGlobals: boolean;
maxConcurrency: number;
maxWorkers: number | string;
moduleDirectories: Array<string>;
moduleFileExtensions: Array<string>;
moduleNameMapper: Record<string, string | Array<string>>;
modulePathIgnorePatterns: Array<string>;
noStackTrace: boolean;
notify: boolean;
notifyMode: NotifyMode;
prettierPath: string;
resetMocks: boolean;
resetModules: boolean;
restoreMocks: boolean;
roots: Array<Path>;
runTestsByPath: boolean;
runner: 'jest-runner';
setupFiles: Array<Path>;
setupFilesAfterEnv: Array<Path>;
skipFilter: boolean;
slowTestThreshold: number;
snapshotSerializers: Array<Path>;
testEnvironment: string;
testEnvironmentOptions: Record<string, unknown>;
testFailureExitCode: string | number;
testLocationInResults: boolean;
testMatch: Array<Glob>;
testPathIgnorePatterns: Array<string>;
testRegex: Array<string>;
testRunner: string;
testSequencer: string;
testURL: string;
timers: Timers;
transformIgnorePatterns: Array<Glob>;
useStderr: boolean;
watch: boolean;
watchPathIgnorePatterns: Array<string>;
watchman: boolean;
};
export declare type DisplayName = {
name: string;
color: typeof ForegroundColor;
};
export declare type InitialOptionsWithRootDir = InitialOptions & Required<Pick<InitialOptions, 'rootDir'>>;
export declare type InitialOptions = Partial<{
automock: boolean;
bail: boolean | number;
cache: boolean;
cacheDirectory: Path;
clearMocks: boolean;
changedFilesWithAncestor: boolean;
changedSince: string;
collectCoverage: boolean;
collectCoverageFrom: Array<Glob>;
collectCoverageOnlyFrom: {
[key: string]: boolean;
};
coverageDirectory: string;
coveragePathIgnorePatterns: Array<string>;
coverageProvider: CoverageProvider;
coverageReporters: CoverageReporters;
coverageThreshold: {
global: {
[key: string]: number;
};
};
dependencyExtractor: string;
detectLeaks: boolean;
detectOpenHandles: boolean;
displayName: string | DisplayName;
expand: boolean;
extraGlobals: Array<string>;
filter: Path;
findRelatedTests: boolean;
forceCoverageMatch: Array<Glob>;
forceExit: boolean;
json: boolean;
globals: ConfigGlobals;
globalSetup: string | null | undefined;
globalTeardown: string | null | undefined;
haste: HasteConfig;
injectGlobals: boolean;
reporters: Array<string | ReporterConfig>;
logHeapUsage: boolean;
lastCommit: boolean;
listTests: boolean;
mapCoverage: boolean;
maxConcurrency: number;
maxWorkers: number | string;
moduleDirectories: Array<string>;
moduleFileExtensions: Array<string>;
moduleLoader: Path;
moduleNameMapper: {
[key: string]: string | Array<string>;
};
modulePathIgnorePatterns: Array<string>;
modulePaths: Array<string>;
name: string;
noStackTrace: boolean;
notify: boolean;
notifyMode: string;
onlyChanged: boolean;
onlyFailures: boolean;
outputFile: Path;
passWithNoTests: boolean;
preprocessorIgnorePatterns: Array<Glob>;
preset: string | null | undefined;
prettierPath: string | null | undefined;
projects: Array<Glob>;
replname: string | null | undefined;
resetMocks: boolean;
resetModules: boolean;
resolver: Path | null | undefined;
restoreMocks: boolean;
rootDir: Path;
roots: Array<Path>;
runner: string;
runTestsByPath: boolean;
scriptPreprocessor: string;
setupFiles: Array<Path>;
setupTestFrameworkScriptFile: Path;
setupFilesAfterEnv: Array<Path>;
silent: boolean;
skipFilter: boolean;
skipNodeResolution: boolean;
slowTestThreshold: number;
snapshotResolver: Path;
snapshotSerializers: Array<Path>;
errorOnDeprecated: boolean;
testEnvironment: string;
testEnvironmentOptions: Record<string, unknown>;
testFailureExitCode: string | number;
testLocationInResults: boolean;
testMatch: Array<Glob>;
testNamePattern: string;
testPathDirs: Array<Path>;
testPathIgnorePatterns: Array<string>;
testRegex: string | Array<string>;
testResultsProcessor: string;
testRunner: string;
testSequencer: string;
testURL: string;
testTimeout: number;
timers: Timers;
transform: {
[regex: string]: Path | TransformerConfig;
};
transformIgnorePatterns: Array<Glob>;
watchPathIgnorePatterns: Array<string>;
unmockedModulePathPatterns: Array<string>;
updateSnapshot: boolean;
useStderr: boolean;
verbose?: boolean;
watch: boolean;
watchAll: boolean;
watchman: boolean;
watchPlugins: Array<string | [string, Record<string, unknown>]>;
}>;
export declare type SnapshotUpdateState = 'all' | 'new' | 'none';
declare type NotifyMode = 'always' | 'failure' | 'success' | 'change' | 'success-change' | 'failure-change';
export declare type CoverageThresholdValue = {
branches?: number;
functions?: number;
lines?: number;
statements?: number;
};
declare type CoverageThreshold = {
[path: string]: CoverageThresholdValue;
global: CoverageThresholdValue;
};
export declare type GlobalConfig = {
bail: number;
changedSince?: string;
changedFilesWithAncestor: boolean;
collectCoverage: boolean;
collectCoverageFrom: Array<Glob>;
collectCoverageOnlyFrom?: {
[key: string]: boolean;
};
coverageDirectory: string;
coveragePathIgnorePatterns?: Array<string>;
coverageProvider: CoverageProvider;
coverageReporters: CoverageReporters;
coverageThreshold?: CoverageThreshold;
detectLeaks: boolean;
detectOpenHandles: boolean;
enabledTestsMap?: {
[key: string]: {
[key: string]: boolean;
};
};
expand: boolean;
filter?: Path;
findRelatedTests: boolean;
forceExit: boolean;
json: boolean;
globalSetup?: string;
globalTeardown?: string;
lastCommit: boolean;
logHeapUsage: boolean;
listTests: boolean;
maxConcurrency: number;
maxWorkers: number;
noStackTrace: boolean;
nonFlagArgs: Array<string>;
noSCM?: boolean;
notify: boolean;
notifyMode: NotifyMode;
outputFile?: Path;
onlyChanged: boolean;
onlyFailures: boolean;
passWithNoTests: boolean;
projects: Array<Glob>;
replname?: string;
reporters?: Array<string | ReporterConfig>;
runTestsByPath: boolean;
rootDir: Path;
silent?: boolean;
skipFilter: boolean;
errorOnDeprecated: boolean;
testFailureExitCode: number;
testNamePattern?: string;
testPathPattern: string;
testResultsProcessor?: string;
testSequencer: string;
testTimeout?: number;
updateSnapshot: SnapshotUpdateState;
useStderr: boolean;
verbose?: boolean;
watch: boolean;
watchAll: boolean;
watchman: boolean;
watchPlugins?: Array<{
path: string;
config: Record<string, unknown>;
}> | null;
};
export declare type ProjectConfig = {
automock: boolean;
cache: boolean;
cacheDirectory: Path;
clearMocks: boolean;
coveragePathIgnorePatterns: Array<string>;
cwd: Path;
dependencyExtractor?: string;
detectLeaks: boolean;
detectOpenHandles: boolean;
displayName?: DisplayName;
errorOnDeprecated: boolean;
extraGlobals: Array<keyof NodeJS.Global>;
filter?: Path;
forceCoverageMatch: Array<Glob>;
globalSetup?: string;
globalTeardown?: string;
globals: ConfigGlobals;
haste: HasteConfig;
injectGlobals: boolean;
moduleDirectories: Array<string>;
moduleFileExtensions: Array<string>;
moduleLoader?: Path;
moduleNameMapper: Array<[string, string]>;
modulePathIgnorePatterns: Array<string>;
modulePaths?: Array<string>;
name: string;
prettierPath: string;
resetMocks: boolean;
resetModules: boolean;
resolver?: Path;
restoreMocks: boolean;
rootDir: Path;
roots: Array<Path>;
runner: string;
setupFiles: Array<Path>;
setupFilesAfterEnv: Array<Path>;
skipFilter: boolean;
skipNodeResolution?: boolean;
slowTestThreshold: number;
snapshotResolver?: Path;
snapshotSerializers: Array<Path>;
testEnvironment: string;
testEnvironmentOptions: Record<string, unknown>;
testMatch: Array<Glob>;
testLocationInResults: boolean;
testPathIgnorePatterns: Array<string>;
testRegex: Array<string | RegExp>;
testRunner: string;
testURL: string;
timers: Timers;
transform: Array<[string, Path, Record<string, unknown>]>;
transformIgnorePatterns: Array<Glob>;
watchPathIgnorePatterns: Array<string>;
unmockedModulePathPatterns?: Array<string>;
};
export declare type Argv = Arguments<Partial<{
all: boolean;
automock: boolean;
bail: boolean | number;
cache: boolean;
cacheDirectory: string;
changedFilesWithAncestor: boolean;
changedSince: string;
ci: boolean;
clearCache: boolean;
clearMocks: boolean;
collectCoverage: boolean;
collectCoverageFrom: string;
collectCoverageOnlyFrom: Array<string>;
color: boolean;
colors: boolean;
config: string;
coverage: boolean;
coverageDirectory: string;
coveragePathIgnorePatterns: Array<string>;
coverageReporters: Array<string>;
coverageThreshold: string;
debug: boolean;
env: string;
expand: boolean;
findRelatedTests: boolean;
forceExit: boolean;
globals: string;
globalSetup: string | null | undefined;
globalTeardown: string | null | undefined;
haste: string;
init: boolean;
injectGlobals: boolean;
json: boolean;
lastCommit: boolean;
logHeapUsage: boolean;
maxWorkers: number | string;
moduleDirectories: Array<string>;
moduleFileExtensions: Array<string>;
moduleNameMapper: string;
modulePathIgnorePatterns: Array<string>;
modulePaths: Array<string>;
noStackTrace: boolean;
notify: boolean;
notifyMode: string;
onlyChanged: boolean;
onlyFailures: boolean;
outputFile: string;
preset: string | null | undefined;
projects: Array<string>;
prettierPath: string | null | undefined;
resetMocks: boolean;
resetModules: boolean;
resolver: string | null | undefined;
restoreMocks: boolean;
rootDir: string;
roots: Array<string>;
runInBand: boolean;
selectProjects: Array<string>;
setupFiles: Array<string>;
setupFilesAfterEnv: Array<string>;
showConfig: boolean;
silent: boolean;
snapshotSerializers: Array<string>;
testEnvironment: string;
testFailureExitCode: string | null | undefined;
testMatch: Array<string>;
testNamePattern: string;
testPathIgnorePatterns: Array<string>;
testPathPattern: Array<string>;
testRegex: string | Array<string>;
testResultsProcessor: string;
testRunner: string;
testSequencer: string;
testURL: string;
testTimeout: number | null | undefined;
timers: string;
transform: string;
transformIgnorePatterns: Array<string>;
unmockedModulePathPatterns: Array<string> | null | undefined;
updateSnapshot: boolean;
useStderr: boolean;
verbose: boolean;
version: boolean;
watch: boolean;
watchAll: boolean;
watchman: boolean;
watchPathIgnorePatterns: Array<string>;
}>>;
export {};

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/// <reference types="node" />
import type { CoverageMapData } from 'istanbul-lib-coverage';
export declare type DoneFn = (reason?: string | Error) => void;
export declare type TestName = string;
export declare type TestFn = (done?: DoneFn) => Promise<void | undefined | unknown> | void | undefined;
export declare type ConcurrentTestFn = (done?: DoneFn) => Promise<void | undefined | unknown>;
export declare type BlockFn = () => void;
export declare type BlockName = string;
export declare type HookFn = TestFn;
export declare type Col = unknown;
export declare type Row = Array<Col>;
export declare type Table = Array<Row>;
export declare type ArrayTable = Table | Row;
export declare type TemplateTable = TemplateStringsArray;
export declare type TemplateData = Array<unknown>;
export declare type EachTable = ArrayTable | TemplateTable;
export declare type TestCallback = BlockFn | TestFn | ConcurrentTestFn;
export declare type EachTestFn<EachCallback extends TestCallback> = (...args: Array<any>) => ReturnType<EachCallback>;
declare type Jasmine = {
_DEFAULT_TIMEOUT_INTERVAL?: number;
addMatchers: (matchers: Record<string, unknown>) => void;
};
declare type Each<EachCallback extends TestCallback> = ((table: EachTable, ...taggedTemplateData: Array<unknown>) => (title: string, test: EachTestFn<EachCallback>, timeout?: number) => void) | (() => () => void);
export interface HookBase {
(fn: HookFn, timeout?: number): void;
}
export interface ItBase {
(testName: TestName, fn: TestFn, timeout?: number): void;
each: Each<TestFn>;
}
export interface It extends ItBase {
only: ItBase;
skip: ItBase;
todo: (testName: TestName) => void;
}
export interface ItConcurrentBase {
(testName: string, testFn: ConcurrentTestFn, timeout?: number): void;
each: Each<ConcurrentTestFn>;
}
export interface ItConcurrentExtended extends ItConcurrentBase {
only: ItConcurrentBase;
skip: ItConcurrentBase;
}
export interface ItConcurrent extends It {
concurrent: ItConcurrentExtended;
}
export interface DescribeBase {
(blockName: BlockName, blockFn: BlockFn): void;
each: Each<BlockFn>;
}
export interface Describe extends DescribeBase {
only: DescribeBase;
skip: DescribeBase;
}
export interface TestFrameworkGlobals {
it: ItConcurrent;
test: ItConcurrent;
fit: ItBase & {
concurrent?: ItConcurrentBase;
};
xit: ItBase;
xtest: ItBase;
describe: Describe;
xdescribe: DescribeBase;
fdescribe: DescribeBase;
beforeAll: HookBase;
beforeEach: HookBase;
afterEach: HookBase;
afterAll: HookBase;
}
export interface GlobalAdditions extends TestFrameworkGlobals {
__coverage__: CoverageMapData;
jasmine: Jasmine;
fail: () => void;
pending: () => void;
spyOn: () => void;
spyOnProperty: () => void;
}
export interface Global extends GlobalAdditions, Omit<NodeJS.Global, keyof GlobalAdditions> {
[extras: string]: unknown;
}
export {};

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
export declare type Milliseconds = number;
declare type Status = 'passed' | 'failed' | 'skipped' | 'pending' | 'todo' | 'disabled';
declare type Callsite = {
column: number;
line: number;
};
export declare type AssertionResult = {
ancestorTitles: Array<string>;
duration?: Milliseconds | null;
failureDetails: Array<unknown>;
failureMessages: Array<string>;
fullName: string;
invocations?: number;
location?: Callsite | null;
numPassingAsserts: number;
status: Status;
title: string;
};
export declare type SerializableError = {
code?: unknown;
message: string;
stack: string | null | undefined;
type?: string;
};
export {};

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
export declare type TransformResult = {
code: string;
originalCode: string;
mapCoverage?: boolean;
sourceMapPath: string | null;
};

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type * as Circus from './Circus';
import type * as Config from './Config';
import type * as Global from './Global';
import type * as TestResult from './TestResult';
import type * as TransformTypes from './Transform';
export type { Circus, Config, Global, TestResult, TransformTypes };

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{
"name": "@jest/types",
"version": "26.6.2",
"repository": {
"type": "git",
"url": "https://github.com/facebook/jest.git",
"directory": "packages/jest-types"
},
"engines": {
"node": ">= 10.14.2"
},
"license": "MIT",
"main": "build/index.js",
"types": "build/index.d.ts",
"dependencies": {
"@types/istanbul-lib-coverage": "^2.0.0",
"@types/istanbul-reports": "^3.0.0",
"@types/node": "*",
"@types/yargs": "^15.0.0",
"chalk": "^4.0.0"
},
"publishConfig": {
"access": "public"
},
"gitHead": "4c46930615602cbf983fb7e8e82884c282a624d5"
}

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MIT License
Copyright (c) Microsoft Corporation.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
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# Installation
> `npm install --save @types/yargs`
# Summary
This package contains type definitions for yargs (https://github.com/chevex/yargs).
# Details
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/yargs/v15.
### Additional Details
* Last updated: Fri, 14 Nov 2025 18:02:08 GMT
* Dependencies: [@types/yargs-parser](https://npmjs.com/package/@types/yargs-parser)
# Credits
These definitions were written by [Martin Poelstra](https://github.com/poelstra), [Mizunashi Mana](https://github.com/mizunashi-mana), [Jeffery Grajkowski](https://github.com/pushplay), [Jimi (Dimitris) Charalampidis](https://github.com/JimiC), [Steffen Viken Valvåg](https://github.com/steffenvv), [Emily Marigold Klassen](https://github.com/forivall), [ExE Boss](https://github.com/ExE-Boss), and [Aankhen](https://github.com/Aankhen).

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// The following TSLint rules have been disabled:
// unified-signatures: Because there is useful information in the argument names of the overloaded signatures
// Convention:
// Use 'union types' when:
// - parameter types have similar signature type (i.e. 'string | ReadonlyArray<string>')
// - parameter names have the same semantic meaning (i.e. ['command', 'commands'] , ['key', 'keys'])
// An example for not using 'union types' is the declaration of 'env' where `prefix` and `enable` parameters
// have different semantics. On the other hand, in the declaration of 'usage', a `command: string` parameter
// has the same semantic meaning with declaring an overload method by using `commands: ReadonlyArray<string>`,
// thus it's preferred to use `command: string | ReadonlyArray<string>`
// Use parameterless declaration instead of declaring all parameters optional,
// when all parameters are optional and more than one
import { Configuration, DetailedArguments } from "yargs-parser";
declare namespace yargs {
type BuilderCallback<T, R> =
| ((args: Argv<T>) => PromiseLike<Argv<R>>)
| ((args: Argv<T>) => Argv<R>)
| ((args: Argv<T>) => void);
type ParserConfigurationOptions = Configuration & {
/** Sort commands alphabetically. Default is `false` */
"sort-commands": boolean;
};
/**
* The type parameter `T` is the expected shape of the parsed options.
* `Arguments<T>` is those options plus `_` and `$0`, and an indexer falling
* back to `unknown` for unknown options.
*
* For the return type / `argv` property, we create a mapped type over
* `Arguments<T>` to simplify the inferred type signature in client code.
*/
interface Argv<T = {}> {
(): { [key in keyof Arguments<T>]: Arguments<T>[key] };
(args: readonly string[], cwd?: string): Argv<T>;
/**
* Set key names as equivalent such that updates to a key will propagate to aliases and vice-versa.
*
* Optionally `.alias()` can take an object that maps keys to aliases.
* Each key of this object should be the canonical version of the option, and each value should be a string or an array of strings.
*/
// Aliases for previously declared options can inherit the types of those options.
alias<K1 extends keyof T, K2 extends string>(
shortName: K1,
longName: K2 | readonly K2[],
): Argv<T & { [key in K2]: T[K1] }>;
alias<K1 extends keyof T, K2 extends string>(
shortName: K2,
longName: K1 | readonly K1[],
): Argv<T & { [key in K2]: T[K1] }>;
alias(shortName: string | readonly string[], longName: string | readonly string[]): Argv<T>;
alias(aliases: { [shortName: string]: string | readonly string[] }): Argv<T>;
/**
* Get the arguments as a plain old object.
*
* Arguments without a corresponding flag show up in the `argv._` array.
*
* The script name or node command is available at `argv.$0` similarly to how `$0` works in bash or perl.
*
* If `yargs` is executed in an environment that embeds node and there's no script name (e.g. Electron or nw.js),
* it will ignore the first parameter since it expects it to be the script name. In order to override
* this behavior, use `.parse(process.argv.slice(1))` instead of .argv and the first parameter won't be ignored.
*/
argv: { [key in keyof Arguments<T>]: Arguments<T>[key] };
/**
* Tell the parser to interpret `key` as an array.
* If `.array('foo')` is set, `--foo foo bar` will be parsed as `['foo', 'bar']` rather than as `'foo'`.
* Also, if you use the option multiple times all the values will be flattened in one array so `--foo foo --foo bar` will be parsed as `['foo', 'bar']`
*
* When the option is used with a positional, use `--` to tell `yargs` to stop adding values to the array.
*/
array<K extends keyof T>(key: K | readonly K[]): Argv<Omit<T, K> & { [key in K]: ToArray<T[key]> }>;
array<K extends string>(
key: K | readonly K[],
): Argv<T & { [key in K]: Array<string | number> | undefined }>;
/**
* Interpret `key` as a boolean. If a non-flag option follows `key` in `process.argv`, that string won't get set as the value of `key`.
*
* `key` will default to `false`, unless a `default(key, undefined)` is explicitly set.
*
* If `key` is an array, interpret all the elements as booleans.
*/
boolean<K extends keyof T>(key: K | readonly K[]): Argv<Omit<T, K> & { [key in K]: boolean | undefined }>;
boolean<K extends string>(key: K | readonly K[]): Argv<T & { [key in K]: boolean | undefined }>;
/**
* Check that certain conditions are met in the provided arguments.
* @param func Called with two arguments, the parsed `argv` hash and an array of options and their aliases.
* If `func` throws or returns a non-truthy value, show the thrown error, usage information, and exit.
* @param global Indicates whether `check()` should be enabled both at the top-level and for each sub-command.
*/
check(func: (argv: Arguments<T>, aliases: { [alias: string]: string }) => any, global?: boolean): Argv<T>;
/**
* Limit valid values for key to a predefined set of choices, given as an array or as an individual value.
* If this method is called multiple times, all enumerated values will be merged together.
* Choices are generally strings or numbers, and value matching is case-sensitive.
*
* Optionally `.choices()` can take an object that maps multiple keys to their choices.
*
* Choices can also be specified as choices in the object given to `option()`.
*/
choices<K extends keyof T, C extends readonly any[]>(
key: K,
values: C,
): Argv<Omit<T, K> & { [key in K]: C[number] | undefined }>;
choices<K extends string, C extends readonly any[]>(
key: K,
values: C,
): Argv<T & { [key in K]: C[number] | undefined }>;
choices<C extends { [key: string]: readonly any[] }>(
choices: C,
): Argv<Omit<T, keyof C> & { [key in keyof C]: C[key][number] | undefined }>;
/**
* Provide a synchronous function to coerce or transform the value(s) given on the command line for `key`.
*
* The coercion function should accept one argument, representing the parsed value from the command line, and should return a new value or throw an error.
* The returned value will be used as the value for `key` (or one of its aliases) in `argv`.
*
* If the function throws, the error will be treated as a validation failure, delegating to either a custom `.fail()` handler or printing the error message in the console.
*
* Coercion will be applied to a value after all other modifications, such as `.normalize()`.
*
* Optionally `.coerce()` can take an object that maps several keys to their respective coercion function.
*
* You can also map the same function to several keys at one time. Just pass an array of keys as the first argument to `.coerce()`.
*
* If you are using dot-notion or arrays, .e.g., `user.email` and `user.password`, coercion will be applied to the final object that has been parsed
*/
coerce<K extends keyof T, V>(
key: K | readonly K[],
func: (arg: any) => V,
): Argv<Omit<T, K> & { [key in K]: V | undefined }>;
coerce<K extends string, V>(
key: K | readonly K[],
func: (arg: any) => V,
): Argv<T & { [key in K]: V | undefined }>;
coerce<O extends { [key: string]: (arg: any) => any }>(
opts: O,
): Argv<Omit<T, keyof O> & { [key in keyof O]: ReturnType<O[key]> | undefined }>;
/**
* Define the commands exposed by your application.
* @param command Should be a string representing the command or an array of strings representing the command and its aliases.
* @param description Use to provide a description for each command your application accepts (the values stored in `argv._`).
* Set `description` to false to create a hidden command. Hidden commands don't show up in the help output and aren't available for completion.
* @param [builder] Object to give hints about the options that your command accepts.
* Can also be a function. This function is executed with a yargs instance, and can be used to provide advanced command specific help.
*
* Note that when `void` is returned, the handler `argv` object type will not include command-specific arguments.
* @param [handler] Function, which will be executed with the parsed `argv` object.
*/
command<U = T>(
command: string | readonly string[],
description: string,
builder?: BuilderCallback<T, U>,
handler?: (args: Arguments<U>) => void,
middlewares?: Array<MiddlewareFunction<U>>,
deprecated?: boolean | string,
): Argv<U>;
command<O extends { [key: string]: Options }>(
command: string | readonly string[],
description: string,
builder?: O,
handler?: (args: Arguments<InferredOptionTypes<O>>) => void,
middlewares?: Array<MiddlewareFunction<O>>,
deprecated?: boolean | string,
): Argv<T>;
command<U>(command: string | readonly string[], description: string, module: CommandModule<T, U>): Argv<U>;
command<U = T>(
command: string | readonly string[],
showInHelp: false,
builder?: BuilderCallback<T, U>,
handler?: (args: Arguments<U>) => void,
middlewares?: Array<MiddlewareFunction<U>>,
deprecated?: boolean | string,
): Argv<T>;
command<O extends { [key: string]: Options }>(
command: string | readonly string[],
showInHelp: false,
builder?: O,
handler?: (args: Arguments<InferredOptionTypes<O>>) => void,
): Argv<T>;
command<U>(command: string | readonly string[], showInHelp: false, module: CommandModule<T, U>): Argv<U>;
command<U>(module: CommandModule<T, U>): Argv<U>;
// Advanced API
/** Apply command modules from a directory relative to the module calling this method. */
commandDir(dir: string, opts?: RequireDirectoryOptions): Argv<T>;
/**
* Enable bash/zsh-completion shortcuts for commands and options.
*
* If invoked without parameters, `.completion()` will make completion the command to output the completion script.
*
* @param [cmd] When present in `argv._`, will result in the `.bashrc` or `.zshrc` completion script being outputted.
* To enable bash/zsh completions, concat the generated script to your `.bashrc` or `.bash_profile` (or `.zshrc` for zsh).
* @param [description] Provide a description in your usage instructions for the command that generates the completion scripts.
* @param [func] Rather than relying on yargs' default completion functionality, which shiver me timbers is pretty awesome, you can provide your own completion method.
*/
completion(): Argv<T>;
completion(cmd: string, func?: AsyncCompletionFunction): Argv<T>;
completion(cmd: string, func?: SyncCompletionFunction): Argv<T>;
completion(cmd: string, func?: PromiseCompletionFunction): Argv<T>;
completion(cmd: string, description?: string | false, func?: AsyncCompletionFunction): Argv<T>;
completion(cmd: string, description?: string | false, func?: SyncCompletionFunction): Argv<T>;
completion(cmd: string, description?: string | false, func?: PromiseCompletionFunction): Argv<T>;
/**
* Tells the parser that if the option specified by `key` is passed in, it should be interpreted as a path to a JSON config file.
* The file is loaded and parsed, and its properties are set as arguments.
* Because the file is loaded using Node's require(), the filename MUST end in `.json` to be interpreted correctly.
*
* If invoked without parameters, `.config()` will make --config the option to pass the JSON config file.
*
* @param [description] Provided to customize the config (`key`) option in the usage string.
* @param [explicitConfigurationObject] An explicit configuration `object`
*/
config(): Argv<T>;
config(
key: string | readonly string[],
description?: string,
parseFn?: (configPath: string) => object,
): Argv<T>;
config(key: string | readonly string[], parseFn: (configPath: string) => object): Argv<T>;
config(explicitConfigurationObject: object): Argv<T>;
/**
* Given the key `x` is set, the key `y` must not be set. `y` can either be a single string or an array of argument names that `x` conflicts with.
*
* Optionally `.conflicts()` can accept an object specifying multiple conflicting keys.
*/
conflicts(key: string, value: string | readonly string[]): Argv<T>;
conflicts(conflicts: { [key: string]: string | readonly string[] }): Argv<T>;
/**
* Interpret `key` as a boolean flag, but set its parsed value to the number of flag occurrences rather than `true` or `false`. Default value is thus `0`.
*/
count<K extends keyof T>(key: K | readonly K[]): Argv<Omit<T, K> & { [key in K]: number }>;
count<K extends string>(key: K | readonly K[]): Argv<T & { [key in K]: number }>;
/**
* Set `argv[key]` to `value` if no option was specified in `process.argv`.
*
* Optionally `.default()` can take an object that maps keys to default values.
*
* The default value can be a `function` which returns a value. The name of the function will be used in the usage string.
*
* Optionally, `description` can also be provided and will take precedence over displaying the value in the usage instructions.
*/
default<K extends keyof T, V>(key: K, value: V, description?: string): Argv<Omit<T, K> & { [key in K]: V }>;
default<K extends string, V>(key: K, value: V, description?: string): Argv<T & { [key in K]: V }>;
default<D extends { [key: string]: any }>(defaults: D, description?: string): Argv<Omit<T, keyof D> & D>;
/**
* @deprecated since version 6.6.0
* Use '.demandCommand()' or '.demandOption()' instead
*/
demand<K extends keyof T>(key: K | readonly K[], msg?: string | true): Argv<Defined<T, K>>;
demand<K extends string>(key: K | readonly K[], msg?: string | true): Argv<T & { [key in K]: unknown }>;
demand(key: string | readonly string[], required?: boolean): Argv<T>;
demand(positionals: number, msg: string): Argv<T>;
demand(positionals: number, required?: boolean): Argv<T>;
demand(positionals: number, max: number, msg?: string): Argv<T>;
/**
* @param key If is a string, show the usage information and exit if key wasn't specified in `process.argv`.
* If is an array, demand each element.
* @param msg If string is given, it will be printed when the argument is missing, instead of the standard error message.
* @param demand Controls whether the option is demanded; this is useful when using .options() to specify command line parameters.
*/
demandOption<K extends keyof T>(key: K | readonly K[], msg?: string | true): Argv<Defined<T, K>>;
demandOption<K extends string>(
key: K | readonly K[],
msg?: string | true,
): Argv<T & { [key in K]: unknown }>;
demandOption(key: string | readonly string[], demand?: boolean): Argv<T>;
/**
* Demand in context of commands.
* You can demand a minimum and a maximum number a user can have within your program, as well as provide corresponding error messages if either of the demands is not met.
*/
demandCommand(): Argv<T>;
demandCommand(min: number, minMsg?: string): Argv<T>;
demandCommand(min: number, max?: number, minMsg?: string, maxMsg?: string): Argv<T>;
/**
* Shows a [deprecated] notice in front of the option
*/
deprecateOption(option: string, msg?: string): Argv<T>;
/**
* Describe a `key` for the generated usage information.
*
* Optionally `.describe()` can take an object that maps keys to descriptions.
*/
describe(key: string | readonly string[], description: string): Argv<T>;
describe(descriptions: { [key: string]: string }): Argv<T>;
/** Should yargs attempt to detect the os' locale? Defaults to `true`. */
detectLocale(detect: boolean): Argv<T>;
/**
* Tell yargs to parse environment variables matching the given prefix and apply them to argv as though they were command line arguments.
*
* Use the "__" separator in the environment variable to indicate nested options. (e.g. prefix_nested__foo => nested.foo)
*
* If this method is called with no argument or with an empty string or with true, then all env vars will be applied to argv.
*
* Program arguments are defined in this order of precedence:
* 1. Command line args
* 2. Env vars
* 3. Config file/objects
* 4. Configured defaults
*
* Env var parsing is disabled by default, but you can also explicitly disable it by calling `.env(false)`, e.g. if you need to undo previous configuration.
*/
env(): Argv<T>;
env(prefix: string): Argv<T>;
env(enable: boolean): Argv<T>;
/** A message to print at the end of the usage instructions */
epilog(msg: string): Argv<T>;
/** A message to print at the end of the usage instructions */
epilogue(msg: string): Argv<T>;
/**
* Give some example invocations of your program.
* Inside `cmd`, the string `$0` will get interpolated to the current script name or node command for the present script similar to how `$0` works in bash or perl.
* Examples will be printed out as part of the help message.
*/
example(command: string, description: string): Argv<T>;
example(command: ReadonlyArray<[string, string?]>): Argv<T>;
/** Manually indicate that the program should exit, and provide context about why we wanted to exit. Follows the behavior set by `.exitProcess().` */
exit(code: number, err: Error): void;
/**
* By default, yargs exits the process when the user passes a help flag, the user uses the `.version` functionality, validation fails, or the command handler fails.
* Calling `.exitProcess(false)` disables this behavior, enabling further actions after yargs have been validated.
*/
exitProcess(enabled: boolean): Argv<T>;
/**
* Method to execute when a failure occurs, rather than printing the failure message.
* @param func Is called with the failure message that would have been printed, the Error instance originally thrown and yargs state when the failure occurred.
*/
fail(func: (msg: string, err: Error, yargs: Argv<T>) => any): Argv<T>;
/**
* Allows to programmatically get completion choices for any line.
* @param args An array of the words in the command line to complete.
* @param done The callback to be called with the resulting completions.
*/
getCompletion(args: readonly string[], done: (completions: readonly string[]) => void): Argv<T>;
/**
* Indicate that an option (or group of options) should not be reset when a command is executed
*
* Options default to being global.
*/
global(key: string | readonly string[]): Argv<T>;
/** Given a key, or an array of keys, places options under an alternative heading when displaying usage instructions */
group(key: string | readonly string[], groupName: string): Argv<T>;
/** Hides a key from the generated usage information. Unless a `--show-hidden` option is also passed with `--help` (see `showHidden()`). */
hide(key: string): Argv<T>;
/**
* Configure an (e.g. `--help`) and implicit command that displays the usage string and exits the process.
* By default yargs enables help on the `--help` option.
*
* Note that any multi-char aliases (e.g. `help`) used for the help option will also be used for the implicit command.
* If there are no multi-char aliases (e.g. `h`), then all single-char aliases will be used for the command.
*
* If invoked without parameters, `.help()` will use `--help` as the option and help as the implicit command to trigger help output.
*
* @param [description] Customizes the description of the help option in the usage string.
* @param [enableExplicit] If `false` is provided, it will disable --help.
*/
help(): Argv<T>;
help(enableExplicit: boolean): Argv<T>;
help(option: string, enableExplicit: boolean): Argv<T>;
help(option: string, description?: string, enableExplicit?: boolean): Argv<T>;
/**
* Given the key `x` is set, it is required that the key `y` is set.
* y` can either be the name of an argument to imply, a number indicating the position of an argument or an array of multiple implications to associate with `x`.
*
* Optionally `.implies()` can accept an object specifying multiple implications.
*/
implies(key: string, value: string | readonly string[]): Argv<T>;
implies(implies: { [key: string]: string | readonly string[] }): Argv<T>;
/**
* Return the locale that yargs is currently using.
*
* By default, yargs will auto-detect the operating system's locale so that yargs-generated help content will display in the user's language.
*/
locale(): string;
/**
* Override the auto-detected locale from the user's operating system with a static locale.
* Note that the OS locale can be modified by setting/exporting the `LC_ALL` environment variable.
*/
locale(loc: string): Argv<T>;
/**
* Define global middleware functions to be called first, in list order, for all cli command.
* @param callbacks Can be a function or a list of functions. Each callback gets passed a reference to argv.
* @param [applyBeforeValidation] Set to `true` to apply middleware before validation. This will execute the middleware prior to validation checks, but after parsing.
*/
middleware(
callbacks: MiddlewareFunction<T> | ReadonlyArray<MiddlewareFunction<T>>,
applyBeforeValidation?: boolean,
): Argv<T>;
/**
* The number of arguments that should be consumed after a key. This can be a useful hint to prevent parsing ambiguity.
*
* Optionally `.nargs()` can take an object of `key`/`narg` pairs.
*/
nargs(key: string, count: number): Argv<T>;
nargs(nargs: { [key: string]: number }): Argv<T>;
/** The key provided represents a path and should have `path.normalize()` applied. */
normalize<K extends keyof T>(key: K | readonly K[]): Argv<Omit<T, K> & { [key in K]: ToString<T[key]> }>;
normalize<K extends string>(key: K | readonly K[]): Argv<T & { [key in K]: string | undefined }>;
/**
* Tell the parser to always interpret key as a number.
*
* If `key` is an array, all elements will be parsed as numbers.
*
* If the option is given on the command line without a value, `argv` will be populated with `undefined`.
*
* If the value given on the command line cannot be parsed as a number, `argv` will be populated with `NaN`.
*
* Note that decimals, hexadecimals, and scientific notation are all accepted.
*/
number<K extends keyof T>(key: K | readonly K[]): Argv<Omit<T, K> & { [key in K]: ToNumber<T[key]> }>;
number<K extends string>(key: K | readonly K[]): Argv<T & { [key in K]: number | undefined }>;
/**
* Method to execute when a command finishes successfully.
* @param func Is called with the successful result of the command that finished.
*/
onFinishCommand(func: (result: any) => void): Argv<T>;
/**
* This method can be used to make yargs aware of options that could exist.
* You can also pass an opt object which can hold further customization, like `.alias()`, `.demandOption()` etc. for that option.
*/
option<K extends keyof T, O extends Options>(
key: K,
options: O,
): Argv<Omit<T, K> & { [key in K]: InferredOptionType<O> }>;
option<K extends string, O extends Options>(
key: K,
options: O,
): Argv<T & { [key in K]: InferredOptionType<O> }>;
option<O extends { [key: string]: Options }>(options: O): Argv<Omit<T, keyof O> & InferredOptionTypes<O>>;
/**
* This method can be used to make yargs aware of options that could exist.
* You can also pass an opt object which can hold further customization, like `.alias()`, `.demandOption()` etc. for that option.
*/
options<K extends keyof T, O extends Options>(
key: K,
options: O,
): Argv<Omit<T, K> & { [key in K]: InferredOptionType<O> }>;
options<K extends string, O extends Options>(
key: K,
options: O,
): Argv<T & { [key in K]: InferredOptionType<O> }>;
options<O extends { [key: string]: Options }>(options: O): Argv<Omit<T, keyof O> & InferredOptionTypes<O>>;
/**
* Parse `args` instead of `process.argv`. Returns the `argv` object. `args` may either be a pre-processed argv array, or a raw argument string.
*
* Note: Providing a callback to parse() disables the `exitProcess` setting until after the callback is invoked.
* @param [context] Provides a useful mechanism for passing state information to commands
*/
parse(): { [key in keyof Arguments<T>]: Arguments<T>[key] };
parse(
arg: string | readonly string[],
context?: object,
parseCallback?: ParseCallback<T>,
): { [key in keyof Arguments<T>]: Arguments<T>[key] };
/**
* If the arguments have not been parsed, this property is `false`.
*
* If the arguments have been parsed, this contain detailed parsed arguments.
*/
parsed: DetailedArguments | false;
/** Allows to configure advanced yargs features. */
parserConfiguration(configuration: Partial<ParserConfigurationOptions>): Argv<T>;
/**
* Similar to `config()`, indicates that yargs should interpret the object from the specified key in package.json as a configuration object.
* @param [cwd] If provided, the package.json will be read from this location
*/
pkgConf(key: string | readonly string[], cwd?: string): Argv<T>;
/**
* Allows you to configure a command's positional arguments with an API similar to `.option()`.
* `.positional()` should be called in a command's builder function, and is not available on the top-level yargs instance. If so, it will throw an error.
*/
positional<K extends keyof T, O extends PositionalOptions>(
key: K,
opt: O,
): Argv<Omit<T, K> & { [key in K]: InferredOptionType<O> }>;
positional<K extends string, O extends PositionalOptions>(
key: K,
opt: O,
): Argv<T & { [key in K]: InferredOptionType<O> }>;
/** Should yargs provide suggestions regarding similar commands if no matching command is found? */
recommendCommands(): Argv<T>;
/**
* @deprecated since version 6.6.0
* Use '.demandCommand()' or '.demandOption()' instead
*/
require<K extends keyof T>(key: K | readonly K[], msg?: string | true): Argv<Defined<T, K>>;
require(key: string, msg: string): Argv<T>;
require(key: string, required: boolean): Argv<T>;
require(keys: readonly number[], msg: string): Argv<T>;
require(keys: readonly number[], required: boolean): Argv<T>;
require(positionals: number, required: boolean): Argv<T>;
require(positionals: number, msg: string): Argv<T>;
/**
* @deprecated since version 6.6.0
* Use '.demandCommand()' or '.demandOption()' instead
*/
required<K extends keyof T>(key: K | readonly K[], msg?: string | true): Argv<Defined<T, K>>;
required(key: string, msg: string): Argv<T>;
required(key: string, required: boolean): Argv<T>;
required(keys: readonly number[], msg: string): Argv<T>;
required(keys: readonly number[], required: boolean): Argv<T>;
required(positionals: number, required: boolean): Argv<T>;
required(positionals: number, msg: string): Argv<T>;
requiresArg(key: string | readonly string[]): Argv<T>;
/**
* @deprecated since version 6.6.0
* Use '.global()' instead
*/
reset(): Argv<T>;
/** Set the name of your script ($0). Default is the base filename executed by node (`process.argv[1]`) */
scriptName($0: string): Argv<T>;
/**
* Generate a bash completion script.
* Users of your application can install this script in their `.bashrc`, and yargs will provide completion shortcuts for commands and options.
*/
showCompletionScript(): Argv<T>;
/**
* Configure the `--show-hidden` option that displays the hidden keys (see `hide()`).
* @param option If `boolean`, it enables/disables this option altogether. i.e. hidden keys will be permanently hidden if first argument is `false`.
* If `string` it changes the key name ("--show-hidden").
* @param description Changes the default description ("Show hidden options")
*/
showHidden(option?: string | boolean): Argv<T>;
showHidden(option: string, description?: string): Argv<T>;
/**
* Print the usage data using the console function consoleLevel for printing.
* @param [consoleLevel='error']
*/
showHelp(consoleLevel?: string): Argv<T>;
/**
* Provide the usage data as a string.
* @param printCallback a function with a single argument.
*/
showHelp(printCallback: (s: string) => void): Argv<T>;
/**
* By default, yargs outputs a usage string if any error is detected.
* Use the `.showHelpOnFail()` method to customize this behavior.
* @param enable If `false`, the usage string is not output.
* @param [message] Message that is output after the error message.
*/
showHelpOnFail(enable: boolean, message?: string): Argv<T>;
/** Specifies either a single option key (string), or an array of options. If any of the options is present, yargs validation is skipped. */
skipValidation(key: string | readonly string[]): Argv<T>;
/**
* Any command-line argument given that is not demanded, or does not have a corresponding description, will be reported as an error.
*
* Unrecognized commands will also be reported as errors.
*/
strict(): Argv<T>;
strict(enabled: boolean): Argv<T>;
/**
* Similar to .strict(), except that it only applies to unrecognized commands.
* A user can still provide arbitrary options, but unknown positional commands
* will raise an error.
*/
strictCommands(): Argv<T>;
strictCommands(enabled: boolean): Argv<T>;
/**
* Tell the parser logic not to interpret `key` as a number or boolean. This can be useful if you need to preserve leading zeros in an input.
*
* If `key` is an array, interpret all the elements as strings.
*
* `.string('_')` will result in non-hyphenated arguments being interpreted as strings, regardless of whether they resemble numbers.
*/
string<K extends keyof T>(key: K | readonly K[]): Argv<Omit<T, K> & { [key in K]: ToString<T[key]> }>;
string<K extends string>(key: K | readonly K[]): Argv<T & { [key in K]: string | undefined }>;
// Intended to be used with '.wrap()'
terminalWidth(): number;
updateLocale(obj: { [key: string]: string }): Argv<T>;
/**
* Override the default strings used by yargs with the key/value pairs provided in obj
*
* If you explicitly specify a locale(), you should do so before calling `updateStrings()`.
*/
updateStrings(obj: { [key: string]: string }): Argv<T>;
/**
* Set a usage message to show which commands to use.
* Inside `message`, the string `$0` will get interpolated to the current script name or node command for the present script similar to how `$0` works in bash or perl.
*
* If the optional `description`/`builder`/`handler` are provided, `.usage()` acts an an alias for `.command()`.
* This allows you to use `.usage()` to configure the default command that will be run as an entry-point to your application
* and allows you to provide configuration for the positional arguments accepted by your program:
*/
usage(message: string): Argv<T>;
usage<U>(
command: string | readonly string[],
description: string,
builder?: (args: Argv<T>) => Argv<U>,
handler?: (args: Arguments<U>) => void,
): Argv<T>;
usage<U>(
command: string | readonly string[],
showInHelp: boolean,
builder?: (args: Argv<T>) => Argv<U>,
handler?: (args: Arguments<U>) => void,
): Argv<T>;
usage<O extends { [key: string]: Options }>(
command: string | readonly string[],
description: string,
builder?: O,
handler?: (args: Arguments<InferredOptionTypes<O>>) => void,
): Argv<T>;
usage<O extends { [key: string]: Options }>(
command: string | readonly string[],
showInHelp: boolean,
builder?: O,
handler?: (args: Arguments<InferredOptionTypes<O>>) => void,
): Argv<T>;
/**
* Add an option (e.g. `--version`) that displays the version number (given by the version parameter) and exits the process.
* By default yargs enables version for the `--version` option.
*
* If no arguments are passed to version (`.version()`), yargs will parse the package.json of your module and use its version value.
*
* If the boolean argument `false` is provided, it will disable `--version`.
*/
version(): Argv<T>;
version(version: string): Argv<T>;
version(enable: boolean): Argv<T>;
version(optionKey: string, version: string): Argv<T>;
version(optionKey: string, description: string, version: string): Argv<T>;
/**
* Format usage output to wrap at columns many columns.
*
* By default wrap will be set to `Math.min(80, windowWidth)`. Use `.wrap(null)` to specify no column limit (no right-align).
* Use `.wrap(yargs.terminalWidth())` to maximize the width of yargs' usage instructions.
*/
wrap(columns: number | null): Argv<T>;
}
type Arguments<T = {}> = T & {
/** Non-option arguments */
_: Array<string | number>;
/** The script name or node command */
$0: string;
/** All remaining options */
[argName: string]: unknown;
};
interface RequireDirectoryOptions {
/** Look for command modules in all subdirectories and apply them as a flattened (non-hierarchical) list. */
recurse?: boolean | undefined;
/** The types of files to look for when requiring command modules. */
extensions?: readonly string[] | undefined;
/**
* A synchronous function called for each command module encountered.
* Accepts `commandObject`, `pathToFile`, and `filename` as arguments.
* Returns `commandObject` to include the command; any falsy value to exclude/skip it.
*/
visit?: ((commandObject: any, pathToFile?: string, filename?: string) => any) | undefined;
/** Whitelist certain modules */
include?: RegExp | ((pathToFile: string) => boolean) | undefined;
/** Blacklist certain modules. */
exclude?: RegExp | ((pathToFile: string) => boolean) | undefined;
}
interface Options {
/** string or array of strings, alias(es) for the canonical option key, see `alias()` */
alias?: string | readonly string[] | undefined;
/** boolean, interpret option as an array, see `array()` */
array?: boolean | undefined;
/** boolean, interpret option as a boolean flag, see `boolean()` */
boolean?: boolean | undefined;
/** value or array of values, limit valid option arguments to a predefined set, see `choices()` */
choices?: Choices | undefined;
/** function, coerce or transform parsed command line values into another value, see `coerce()` */
coerce?: ((arg: any) => any) | undefined;
/** boolean, interpret option as a path to a JSON config file, see `config()` */
config?: boolean | undefined;
/** function, provide a custom config parsing function, see `config()` */
configParser?: ((configPath: string) => object) | undefined;
/** string or object, require certain keys not to be set, see `conflicts()` */
conflicts?: string | readonly string[] | { [key: string]: string | readonly string[] } | undefined;
/** boolean, interpret option as a count of boolean flags, see `count()` */
count?: boolean | undefined;
/** value, set a default value for the option, see `default()` */
default?: any;
/** string, use this description for the default value in help content, see `default()` */
defaultDescription?: string | undefined;
/**
* @deprecated since version 6.6.0
* Use 'demandOption' instead
*/
demand?: boolean | string | undefined;
/** boolean or string, mark the argument as deprecated, see `deprecateOption()` */
deprecate?: boolean | string | undefined;
/** boolean or string, mark the argument as deprecated, see `deprecateOption()` */
deprecated?: boolean | string | undefined;
/** boolean or string, demand the option be given, with optional error message, see `demandOption()` */
demandOption?: boolean | string | undefined;
/** string, the option description for help content, see `describe()` */
desc?: string | undefined;
/** string, the option description for help content, see `describe()` */
describe?: string | undefined;
/** string, the option description for help content, see `describe()` */
description?: string | undefined;
/** boolean, indicate that this key should not be reset when a command is invoked, see `global()` */
global?: boolean | undefined;
/** string, when displaying usage instructions place the option under an alternative group heading, see `group()` */
group?: string | undefined;
/** don't display option in help output. */
hidden?: boolean | undefined;
/** string or object, require certain keys to be set, see `implies()` */
implies?: string | readonly string[] | { [key: string]: string | readonly string[] } | undefined;
/** number, specify how many arguments should be consumed for the option, see `nargs()` */
nargs?: number | undefined;
/** boolean, apply path.normalize() to the option, see `normalize()` */
normalize?: boolean | undefined;
/** boolean, interpret option as a number, `number()` */
number?: boolean | undefined;
/**
* @deprecated since version 6.6.0
* Use 'demandOption' instead
*/
require?: boolean | string | undefined;
/**
* @deprecated since version 6.6.0
* Use 'demandOption' instead
*/
required?: boolean | string | undefined;
/** boolean, require the option be specified with a value, see `requiresArg()` */
requiresArg?: boolean | undefined;
/** boolean, skips validation if the option is present, see `skipValidation()` */
skipValidation?: boolean | undefined;
/** boolean, interpret option as a string, see `string()` */
string?: boolean | undefined;
type?: "array" | "count" | PositionalOptionsType | undefined;
}
interface PositionalOptions {
/** string or array of strings, see `alias()` */
alias?: string | readonly string[] | undefined;
/** boolean, interpret option as an array, see `array()` */
array?: boolean | undefined;
/** value or array of values, limit valid option arguments to a predefined set, see `choices()` */
choices?: Choices | undefined;
/** function, coerce or transform parsed command line values into another value, see `coerce()` */
coerce?: ((arg: any) => any) | undefined;
/** string or object, require certain keys not to be set, see `conflicts()` */
conflicts?: string | readonly string[] | { [key: string]: string | readonly string[] } | undefined;
/** value, set a default value for the option, see `default()` */
default?: any;
/** boolean or string, demand the option be given, with optional error message, see `demandOption()` */
demandOption?: boolean | string | undefined;
/** string, the option description for help content, see `describe()` */
desc?: string | undefined;
/** string, the option description for help content, see `describe()` */
describe?: string | undefined;
/** string, the option description for help content, see `describe()` */
description?: string | undefined;
/** string or object, require certain keys to be set, see `implies()` */
implies?: string | readonly string[] | { [key: string]: string | readonly string[] } | undefined;
/** boolean, apply path.normalize() to the option, see normalize() */
normalize?: boolean | undefined;
type?: PositionalOptionsType | undefined;
}
/** Remove keys K in T */
type Omit<T, K> = { [key in Exclude<keyof T, K>]: T[key] };
/** Remove undefined as a possible value for keys K in T */
type Defined<T, K extends keyof T> = Omit<T, K> & { [key in K]: Exclude<T[key], undefined> };
/** Convert T to T[] and T | undefined to T[] | undefined */
type ToArray<T> = Array<Exclude<T, undefined>> | Extract<T, undefined>;
/** Gives string[] if T is an array type, otherwise string. Preserves | undefined. */
type ToString<T> = (Exclude<T, undefined> extends any[] ? string[] : string) | Extract<T, undefined>;
/** Gives number[] if T is an array type, otherwise number. Preserves | undefined. */
type ToNumber<T> = (Exclude<T, undefined> extends any[] ? number[] : number) | Extract<T, undefined>;
type InferredOptionType<O extends Options | PositionalOptions> = O extends
{ default: any; coerce: (arg: any) => infer T } ? T
: O extends { default: infer D } ? D
: O extends { type: "count" } ? number
: O extends { count: true } ? number
: O extends { required: string | true } ? RequiredOptionType<O>
: O extends { require: string | true } ? RequiredOptionType<O>
: O extends { demand: string | true } ? RequiredOptionType<O>
: O extends { demandOption: string | true } ? RequiredOptionType<O>
: RequiredOptionType<O> | undefined;
type RequiredOptionType<O extends Options | PositionalOptions> = O extends { type: "array"; string: true }
? string[]
: O extends { type: "array"; number: true } ? number[]
: O extends { type: "array"; normalize: true } ? string[]
: O extends { type: "string"; array: true } ? string[]
: O extends { type: "number"; array: true } ? number[]
: O extends { string: true; array: true } ? string[]
: O extends { number: true; array: true } ? number[]
: O extends { normalize: true; array: true } ? string[]
: O extends { type: "array" } ? Array<string | number>
: O extends { type: "boolean" } ? boolean
: O extends { type: "number" } ? number
: O extends { type: "string" } ? string
: O extends { array: true } ? Array<string | number>
: O extends { boolean: true } ? boolean
: O extends { number: true } ? number
: O extends { string: true } ? string
: O extends { normalize: true } ? string
: O extends { choices: ReadonlyArray<infer C> } ? C
: O extends { coerce: (arg: any) => infer T } ? T
: unknown;
type InferredOptionTypes<O extends { [key: string]: Options }> = { [key in keyof O]: InferredOptionType<O[key]> };
interface CommandModule<T = {}, U = {}> {
/** array of strings (or a single string) representing aliases of `exports.command`, positional args defined in an alias are ignored */
aliases?: readonly string[] | string | undefined;
/** object declaring the options the command accepts, or a function accepting and returning a yargs instance */
builder?: CommandBuilder<T, U> | undefined;
/** string (or array of strings) that executes this command when given on the command line, first string may contain positional args */
command?: readonly string[] | string | undefined;
/** boolean (or string) to show deprecation notice */
deprecated?: boolean | string | undefined;
/** string used as the description for the command in help text, use `false` for a hidden command */
describe?: string | false | undefined;
/** a function which will be passed the parsed argv. */
handler: (args: Arguments<U>) => void;
}
type ParseCallback<T = {}> = (err: Error | undefined, argv: Arguments<T>, output: string) => void;
type CommandBuilder<T = {}, U = {}> =
| { [key: string]: Options }
| ((args: Argv<T>) => Argv<U>)
| ((args: Argv<T>) => PromiseLike<Argv<U>>);
type SyncCompletionFunction = (current: string, argv: any) => string[];
type AsyncCompletionFunction = (
current: string,
argv: any,
done: (completion: readonly string[]) => void,
) => void;
type PromiseCompletionFunction = (current: string, argv: any) => Promise<string[]>;
type MiddlewareFunction<T = {}> = (args: Arguments<T>) => void;
type Choices = ReadonlyArray<string | number | true | undefined>;
type PositionalOptionsType = "boolean" | "number" | "string";
}
declare var yargs: yargs.Argv;
export = yargs;

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@@ -0,0 +1,63 @@
{
"name": "@types/yargs",
"version": "15.0.20",
"description": "TypeScript definitions for yargs",
"homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/yargs",
"license": "MIT",
"contributors": [
{
"name": "Martin Poelstra",
"githubUsername": "poelstra",
"url": "https://github.com/poelstra"
},
{
"name": "Mizunashi Mana",
"githubUsername": "mizunashi-mana",
"url": "https://github.com/mizunashi-mana"
},
{
"name": "Jeffery Grajkowski",
"githubUsername": "pushplay",
"url": "https://github.com/pushplay"
},
{
"name": "Jimi (Dimitris) Charalampidis",
"githubUsername": "JimiC",
"url": "https://github.com/JimiC"
},
{
"name": "Steffen Viken Valvåg",
"githubUsername": "steffenvv",
"url": "https://github.com/steffenvv"
},
{
"name": "Emily Marigold Klassen",
"githubUsername": "forivall",
"url": "https://github.com/forivall"
},
{
"name": "ExE Boss",
"githubUsername": "ExE-Boss",
"url": "https://github.com/ExE-Boss"
},
{
"name": "Aankhen",
"githubUsername": "Aankhen",
"url": "https://github.com/Aankhen"
}
],
"main": "",
"types": "index.d.ts",
"repository": {
"type": "git",
"url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git",
"directory": "types/yargs"
},
"scripts": {},
"dependencies": {
"@types/yargs-parser": "*"
},
"peerDependencies": {},
"typesPublisherContentHash": "3d777efae416aa57047233c35e030433fccc7f88d2b8d6605f7c3c9c921ac5cb",
"typeScriptVersion": "5.2"
}

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@@ -0,0 +1,9 @@
import { Argv } from ".";
export = Yargs;
declare function Yargs(
processArgs?: readonly string[],
cwd?: string,
parentRequire?: NodeJS.Require,
): Argv;

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declare namespace ansiRegex {
interface Options {
/**
Match only the first ANSI escape.
@default false
*/
onlyFirst: boolean;
}
}
/**
Regular expression for matching ANSI escape codes.
@example
```
import ansiRegex = require('ansi-regex');
ansiRegex().test('\u001B[4mcake\u001B[0m');
//=> true
ansiRegex().test('cake');
//=> false
'\u001B[4mcake\u001B[0m'.match(ansiRegex());
//=> ['\u001B[4m', '\u001B[0m']
'\u001B[4mcake\u001B[0m'.match(ansiRegex({onlyFirst: true}));
//=> ['\u001B[4m']
'\u001B]8;;https://github.com\u0007click\u001B]8;;\u0007'.match(ansiRegex());
//=> ['\u001B]8;;https://github.com\u0007', '\u001B]8;;\u0007']
```
*/
declare function ansiRegex(options?: ansiRegex.Options): RegExp;
export = ansiRegex;

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@@ -0,0 +1,10 @@
'use strict';
module.exports = ({onlyFirst = false} = {}) => {
const pattern = [
'[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)',
'(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))'
].join('|');
return new RegExp(pattern, onlyFirst ? undefined : 'g');
};

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@@ -0,0 +1,9 @@
MIT License
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

View File

@@ -0,0 +1,55 @@
{
"name": "ansi-regex",
"version": "5.0.1",
"description": "Regular expression for matching ANSI escape codes",
"license": "MIT",
"repository": "chalk/ansi-regex",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
},
"engines": {
"node": ">=8"
},
"scripts": {
"test": "xo && ava && tsd",
"view-supported": "node fixtures/view-codes.js"
},
"files": [
"index.js",
"index.d.ts"
],
"keywords": [
"ansi",
"styles",
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"string",
"tty",
"escape",
"formatting",
"rgb",
"256",
"shell",
"xterm",
"command-line",
"text",
"regex",
"regexp",
"re",
"match",
"test",
"find",
"pattern"
],
"devDependencies": {
"ava": "^2.4.0",
"tsd": "^0.9.0",
"xo": "^0.25.3"
}
}

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@@ -0,0 +1,78 @@
# ansi-regex
> Regular expression for matching [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code)
## Install
```
$ npm install ansi-regex
```
## Usage
```js
const ansiRegex = require('ansi-regex');
ansiRegex().test('\u001B[4mcake\u001B[0m');
//=> true
ansiRegex().test('cake');
//=> false
'\u001B[4mcake\u001B[0m'.match(ansiRegex());
//=> ['\u001B[4m', '\u001B[0m']
'\u001B[4mcake\u001B[0m'.match(ansiRegex({onlyFirst: true}));
//=> ['\u001B[4m']
'\u001B]8;;https://github.com\u0007click\u001B]8;;\u0007'.match(ansiRegex());
//=> ['\u001B]8;;https://github.com\u0007', '\u001B]8;;\u0007']
```
## API
### ansiRegex(options?)
Returns a regex for matching ANSI escape codes.
#### options
Type: `object`
##### onlyFirst
Type: `boolean`<br>
Default: `false` *(Matches any ANSI escape codes in a string)*
Match only the first ANSI escape.
## FAQ
### Why do you test for codes not in the ECMA 48 standard?
Some of the codes we run as a test are codes that we acquired finding various lists of non-standard or manufacturer specific codes. We test for both standard and non-standard codes, as most of them follow the same or similar format and can be safely matched in strings without the risk of removing actual string content. There are a few non-standard control codes that do not follow the traditional format (i.e. they end in numbers) thus forcing us to exclude them from the test because we cannot reliably match them.
On the historical side, those ECMA standards were established in the early 90's whereas the VT100, for example, was designed in the mid/late 70's. At that point in time, control codes were still pretty ungoverned and engineers used them for a multitude of things, namely to activate hardware ports that may have been proprietary. Somewhere else you see a similar 'anarchy' of codes is in the x86 architecture for processors; there are a ton of "interrupts" that can mean different things on certain brands of processors, most of which have been phased out.
## Maintainers
- [Sindre Sorhus](https://github.com/sindresorhus)
- [Josh Junon](https://github.com/qix-)
---
<div align="center">
<b>
<a href="https://tidelift.com/subscription/pkg/npm-ansi-regex?utm_source=npm-ansi-regex&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
</b>
<br>
<sub>
Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
</sub>
</div>

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MIT License
Copyright (c) Facebook, Inc. and its affiliates.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@@ -0,0 +1,454 @@
# pretty-format
Stringify any JavaScript value.
- Serialize built-in JavaScript types.
- Serialize application-specific data types with built-in or user-defined plugins.
## Installation
```sh
$ yarn add pretty-format
```
## Usage
```js
const prettyFormat = require('pretty-format'); // CommonJS
```
```js
import prettyFormat from 'pretty-format'; // ES2015 modules
```
```js
const val = {object: {}};
val.circularReference = val;
val[Symbol('foo')] = 'foo';
val.map = new Map([['prop', 'value']]);
val.array = [-0, Infinity, NaN];
console.log(prettyFormat(val));
/*
Object {
"array": Array [
-0,
Infinity,
NaN,
],
"circularReference": [Circular],
"map": Map {
"prop" => "value",
},
"object": Object {},
Symbol(foo): "foo",
}
*/
```
## Usage with options
```js
function onClick() {}
console.log(prettyFormat(onClick));
/*
[Function onClick]
*/
const options = {
printFunctionName: false,
};
console.log(prettyFormat(onClick, options));
/*
[Function]
*/
```
<!-- prettier-ignore -->
| key | type | default | description |
| :------------------ | :-------- | :--------- | :------------------------------------------------------ |
| `callToJSON` | `boolean` | `true` | call `toJSON` method (if it exists) on objects |
| `escapeRegex` | `boolean` | `false` | escape special characters in regular expressions |
| `escapeString` | `boolean` | `true` | escape special characters in strings |
| `highlight` | `boolean` | `false` | highlight syntax with colors in terminal (some plugins) |
| `indent` | `number` | `2` | spaces in each level of indentation |
| `maxDepth` | `number` | `Infinity` | levels to print in arrays, objects, elements, and so on |
| `min` | `boolean` | `false` | minimize added space: no indentation nor line breaks |
| `plugins` | `array` | `[]` | plugins to serialize application-specific data types |
| `printFunctionName` | `boolean` | `true` | include or omit the name of a function |
| `theme` | `object` | | colors to highlight syntax in terminal |
Property values of `theme` are from [ansi-styles colors](https://github.com/chalk/ansi-styles#colors)
```js
const DEFAULT_THEME = {
comment: 'gray',
content: 'reset',
prop: 'yellow',
tag: 'cyan',
value: 'green',
};
```
## Usage with plugins
The `pretty-format` package provides some built-in plugins, including:
- `ReactElement` for elements from `react`
- `ReactTestComponent` for test objects from `react-test-renderer`
```js
// CommonJS
const React = require('react');
const renderer = require('react-test-renderer');
const prettyFormat = require('pretty-format');
const ReactElement = prettyFormat.plugins.ReactElement;
const ReactTestComponent = prettyFormat.plugins.ReactTestComponent;
```
```js
import React from 'react';
import renderer from 'react-test-renderer';
// ES2015 modules and destructuring assignment
import prettyFormat from 'pretty-format';
const {ReactElement, ReactTestComponent} = prettyFormat.plugins;
```
```js
const onClick = () => {};
const element = React.createElement('button', {onClick}, 'Hello World');
const formatted1 = prettyFormat(element, {
plugins: [ReactElement],
printFunctionName: false,
});
const formatted2 = prettyFormat(renderer.create(element).toJSON(), {
plugins: [ReactTestComponent],
printFunctionName: false,
});
/*
<button
onClick=[Function]
>
Hello World
</button>
*/
```
## Usage in Jest
For snapshot tests, Jest uses `pretty-format` with options that include some of its built-in plugins. For this purpose, plugins are also known as **snapshot serializers**.
To serialize application-specific data types, you can add modules to `devDependencies` of a project, and then:
In an **individual** test file, you can add a module as follows. It precedes any modules from Jest configuration.
```js
import serializer from 'my-serializer-module';
expect.addSnapshotSerializer(serializer);
// tests which have `expect(value).toMatchSnapshot()` assertions
```
For **all** test files, you can specify modules in Jest configuration. They precede built-in plugins for React, HTML, and Immutable.js data types. For example, in a `package.json` file:
```json
{
"jest": {
"snapshotSerializers": ["my-serializer-module"]
}
}
```
## Writing plugins
A plugin is a JavaScript object.
If `options` has a `plugins` array: for the first plugin whose `test(val)` method returns a truthy value, then `prettyFormat(val, options)` returns the result from either:
- `serialize(val, …)` method of the **improved** interface (available in **version 21** or later)
- `print(val, …)` method of the **original** interface (if plugin does not have `serialize` method)
### test
Write `test` so it can receive `val` argument of any type. To serialize **objects** which have certain properties, then a guarded expression like `val != null && …` or more concise `val && …` prevents the following errors:
- `TypeError: Cannot read property 'whatever' of null`
- `TypeError: Cannot read property 'whatever' of undefined`
For example, `test` method of built-in `ReactElement` plugin:
```js
const elementSymbol = Symbol.for('react.element');
const test = val => val && val.$$typeof === elementSymbol;
```
Pay attention to efficiency in `test` because `pretty-format` calls it often.
### serialize
The **improved** interface is available in **version 21** or later.
Write `serialize` to return a string, given the arguments:
- `val` which “passed the test”
- unchanging `config` object: derived from `options`
- current `indentation` string: concatenate to `indent` from `config`
- current `depth` number: compare to `maxDepth` from `config`
- current `refs` array: find circular references in objects
- `printer` callback function: serialize children
### config
<!-- prettier-ignore -->
| key | type | description |
| :------------------ | :-------- | :------------------------------------------------------ |
| `callToJSON` | `boolean` | call `toJSON` method (if it exists) on objects |
| `colors` | `Object` | escape codes for colors to highlight syntax |
| `escapeRegex` | `boolean` | escape special characters in regular expressions |
| `escapeString` | `boolean` | escape special characters in strings |
| `indent` | `string` | spaces in each level of indentation |
| `maxDepth` | `number` | levels to print in arrays, objects, elements, and so on |
| `min` | `boolean` | minimize added space: no indentation nor line breaks |
| `plugins` | `array` | plugins to serialize application-specific data types |
| `printFunctionName` | `boolean` | include or omit the name of a function |
| `spacingInner` | `strong` | spacing to separate items in a list |
| `spacingOuter` | `strong` | spacing to enclose a list of items |
Each property of `colors` in `config` corresponds to a property of `theme` in `options`:
- the key is the same (for example, `tag`)
- the value in `colors` is a object with `open` and `close` properties whose values are escape codes from [ansi-styles](https://github.com/chalk/ansi-styles) for the color value in `theme` (for example, `'cyan'`)
Some properties in `config` are derived from `min` in `options`:
- `spacingInner` and `spacingOuter` are **newline** if `min` is `false`
- `spacingInner` is **space** and `spacingOuter` is **empty string** if `min` is `true`
### Example of serialize and test
This plugin is a pattern you can apply to serialize composite data types. Side note: `pretty-format` does not need a plugin to serialize arrays.
```js
// We reused more code when we factored out a function for child items
// that is independent of depth, name, and enclosing punctuation (see below).
const SEPARATOR = ',';
function serializeItems(items, config, indentation, depth, refs, printer) {
if (items.length === 0) {
return '';
}
const indentationItems = indentation + config.indent;
return (
config.spacingOuter +
items
.map(
item =>
indentationItems +
printer(item, config, indentationItems, depth, refs), // callback
)
.join(SEPARATOR + config.spacingInner) +
(config.min ? '' : SEPARATOR) + // following the last item
config.spacingOuter +
indentation
);
}
const plugin = {
test(val) {
return Array.isArray(val);
},
serialize(array, config, indentation, depth, refs, printer) {
const name = array.constructor.name;
return ++depth > config.maxDepth
? '[' + name + ']'
: (config.min ? '' : name + ' ') +
'[' +
serializeItems(array, config, indentation, depth, refs, printer) +
']';
},
};
```
```js
const val = {
filter: 'completed',
items: [
{
text: 'Write test',
completed: true,
},
{
text: 'Write serialize',
completed: true,
},
],
};
```
```js
console.log(
prettyFormat(val, {
plugins: [plugin],
}),
);
/*
Object {
"filter": "completed",
"items": Array [
Object {
"completed": true,
"text": "Write test",
},
Object {
"completed": true,
"text": "Write serialize",
},
],
}
*/
```
```js
console.log(
prettyFormat(val, {
indent: 4,
plugins: [plugin],
}),
);
/*
Object {
"filter": "completed",
"items": Array [
Object {
"completed": true,
"text": "Write test",
},
Object {
"completed": true,
"text": "Write serialize",
},
],
}
*/
```
```js
console.log(
prettyFormat(val, {
maxDepth: 1,
plugins: [plugin],
}),
);
/*
Object {
"filter": "completed",
"items": [Array],
}
*/
```
```js
console.log(
prettyFormat(val, {
min: true,
plugins: [plugin],
}),
);
/*
{"filter": "completed", "items": [{"completed": true, "text": "Write test"}, {"completed": true, "text": "Write serialize"}]}
*/
```
### print
The **original** interface is adequate for plugins:
- that **do not** depend on options other than `highlight` or `min`
- that **do not** depend on `depth` or `refs` in recursive traversal, and
- if values either
- do **not** require indentation, or
- do **not** occur as children of JavaScript data structures (for example, array)
Write `print` to return a string, given the arguments:
- `val` which “passed the test”
- current `printer(valChild)` callback function: serialize children
- current `indenter(lines)` callback function: indent lines at the next level
- unchanging `config` object: derived from `options`
- unchanging `colors` object: derived from `options`
The 3 properties of `config` are `min` in `options` and:
- `spacing` and `edgeSpacing` are **newline** if `min` is `false`
- `spacing` is **space** and `edgeSpacing` is **empty string** if `min` is `true`
Each property of `colors` corresponds to a property of `theme` in `options`:
- the key is the same (for example, `tag`)
- the value in `colors` is a object with `open` and `close` properties whose values are escape codes from [ansi-styles](https://github.com/chalk/ansi-styles) for the color value in `theme` (for example, `'cyan'`)
### Example of print and test
This plugin prints functions with the **number of named arguments** excluding rest argument.
```js
const plugin = {
print(val) {
return `[Function ${val.name || 'anonymous'} ${val.length}]`;
},
test(val) {
return typeof val === 'function';
},
};
```
```js
const val = {
onClick(event) {},
render() {},
};
prettyFormat(val, {
plugins: [plugin],
});
/*
Object {
"onClick": [Function onClick 1],
"render": [Function render 0],
}
*/
prettyFormat(val);
/*
Object {
"onClick": [Function onClick],
"render": [Function render],
}
*/
```
This plugin **ignores** the `printFunctionName` option. That limitation of the original `print` interface is a reason to use the improved `serialize` interface, described above.
```js
prettyFormat(val, {
plugins: [pluginOld],
printFunctionName: false,
});
/*
Object {
"onClick": [Function onClick 1],
"render": [Function render 0],
}
*/
prettyFormat(val, {
printFunctionName: false,
});
/*
Object {
"onClick": [Function],
"render": [Function],
}
*/
```

View File

@@ -0,0 +1,32 @@
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
import type { Config, Printer, Refs } from './types';
/**
* Return entries (for example, of a map)
* with spacing, indentation, and comma
* without surrounding punctuation (for example, braces)
*/
export declare function printIteratorEntries(iterator: Iterator<[unknown, unknown]>, config: Config, indentation: string, depth: number, refs: Refs, printer: Printer, separator?: string): string;
/**
* Return values (for example, of a set)
* with spacing, indentation, and comma
* without surrounding punctuation (braces or brackets)
*/
export declare function printIteratorValues(iterator: Iterator<unknown>, config: Config, indentation: string, depth: number, refs: Refs, printer: Printer): string;
/**
* Return items (for example, of an array)
* with spacing, indentation, and comma
* without surrounding punctuation (for example, brackets)
**/
export declare function printListItems(list: ArrayLike<unknown>, config: Config, indentation: string, depth: number, refs: Refs, printer: Printer): string;
/**
* Return properties of an object
* with spacing, indentation, and comma
* without surrounding punctuation (for example, braces)
*/
export declare function printObjectProperties(val: Record<string, unknown>, config: Config, indentation: string, depth: number, refs: Refs, printer: Printer): string;

View File

@@ -0,0 +1,185 @@
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.printIteratorEntries = printIteratorEntries;
exports.printIteratorValues = printIteratorValues;
exports.printListItems = printListItems;
exports.printObjectProperties = printObjectProperties;
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
const getKeysOfEnumerableProperties = object => {
const keys = Object.keys(object).sort();
if (Object.getOwnPropertySymbols) {
Object.getOwnPropertySymbols(object).forEach(symbol => {
if (Object.getOwnPropertyDescriptor(object, symbol).enumerable) {
keys.push(symbol);
}
});
}
return keys;
};
/**
* Return entries (for example, of a map)
* with spacing, indentation, and comma
* without surrounding punctuation (for example, braces)
*/
function printIteratorEntries(
iterator,
config,
indentation,
depth,
refs,
printer, // Too bad, so sad that separator for ECMAScript Map has been ' => '
// What a distracting diff if you change a data structure to/from
// ECMAScript Object or Immutable.Map/OrderedMap which use the default.
separator = ': '
) {
let result = '';
let current = iterator.next();
if (!current.done) {
result += config.spacingOuter;
const indentationNext = indentation + config.indent;
while (!current.done) {
const name = printer(
current.value[0],
config,
indentationNext,
depth,
refs
);
const value = printer(
current.value[1],
config,
indentationNext,
depth,
refs
);
result += indentationNext + name + separator + value;
current = iterator.next();
if (!current.done) {
result += ',' + config.spacingInner;
} else if (!config.min) {
result += ',';
}
}
result += config.spacingOuter + indentation;
}
return result;
}
/**
* Return values (for example, of a set)
* with spacing, indentation, and comma
* without surrounding punctuation (braces or brackets)
*/
function printIteratorValues(
iterator,
config,
indentation,
depth,
refs,
printer
) {
let result = '';
let current = iterator.next();
if (!current.done) {
result += config.spacingOuter;
const indentationNext = indentation + config.indent;
while (!current.done) {
result +=
indentationNext +
printer(current.value, config, indentationNext, depth, refs);
current = iterator.next();
if (!current.done) {
result += ',' + config.spacingInner;
} else if (!config.min) {
result += ',';
}
}
result += config.spacingOuter + indentation;
}
return result;
}
/**
* Return items (for example, of an array)
* with spacing, indentation, and comma
* without surrounding punctuation (for example, brackets)
**/
function printListItems(list, config, indentation, depth, refs, printer) {
let result = '';
if (list.length) {
result += config.spacingOuter;
const indentationNext = indentation + config.indent;
for (let i = 0; i < list.length; i++) {
result +=
indentationNext +
printer(list[i], config, indentationNext, depth, refs);
if (i < list.length - 1) {
result += ',' + config.spacingInner;
} else if (!config.min) {
result += ',';
}
}
result += config.spacingOuter + indentation;
}
return result;
}
/**
* Return properties of an object
* with spacing, indentation, and comma
* without surrounding punctuation (for example, braces)
*/
function printObjectProperties(val, config, indentation, depth, refs, printer) {
let result = '';
const keys = getKeysOfEnumerableProperties(val);
if (keys.length) {
result += config.spacingOuter;
const indentationNext = indentation + config.indent;
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
const name = printer(key, config, indentationNext, depth, refs);
const value = printer(val[key], config, indentationNext, depth, refs);
result += indentationNext + name + ': ' + value;
if (i < keys.length - 1) {
result += ',' + config.spacingInner;
} else if (!config.min) {
result += ',';
}
}
result += config.spacingOuter + indentation;
}
return result;
}

View File

@@ -0,0 +1,37 @@
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type * as PrettyFormat from './types';
/**
* Returns a presentation string of your `val` object
* @param val any potential JavaScript object
* @param options Custom settings
*/
declare function prettyFormat(val: unknown, options?: PrettyFormat.OptionsReceived): string;
declare namespace prettyFormat {
var plugins: {
AsymmetricMatcher: PrettyFormat.NewPlugin;
ConvertAnsi: PrettyFormat.NewPlugin;
DOMCollection: PrettyFormat.NewPlugin;
DOMElement: PrettyFormat.NewPlugin;
Immutable: PrettyFormat.NewPlugin;
ReactElement: PrettyFormat.NewPlugin;
ReactTestComponent: PrettyFormat.NewPlugin;
};
}
declare namespace prettyFormat {
type Colors = PrettyFormat.Colors;
type Config = PrettyFormat.Config;
type Options = PrettyFormat.Options;
type OptionsReceived = PrettyFormat.OptionsReceived;
type OldPlugin = PrettyFormat.OldPlugin;
type NewPlugin = PrettyFormat.NewPlugin;
type Plugin = PrettyFormat.Plugin;
type Plugins = PrettyFormat.Plugins;
type Refs = PrettyFormat.Refs;
type Theme = PrettyFormat.Theme;
}
export = prettyFormat;

View File

@@ -0,0 +1,560 @@
'use strict';
var _ansiStyles = _interopRequireDefault(require('ansi-styles'));
var _collections = require('./collections');
var _AsymmetricMatcher = _interopRequireDefault(
require('./plugins/AsymmetricMatcher')
);
var _ConvertAnsi = _interopRequireDefault(require('./plugins/ConvertAnsi'));
var _DOMCollection = _interopRequireDefault(require('./plugins/DOMCollection'));
var _DOMElement = _interopRequireDefault(require('./plugins/DOMElement'));
var _Immutable = _interopRequireDefault(require('./plugins/Immutable'));
var _ReactElement = _interopRequireDefault(require('./plugins/ReactElement'));
var _ReactTestComponent = _interopRequireDefault(
require('./plugins/ReactTestComponent')
);
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/* eslint-disable local/ban-types-eventually */
const toString = Object.prototype.toString;
const toISOString = Date.prototype.toISOString;
const errorToString = Error.prototype.toString;
const regExpToString = RegExp.prototype.toString;
/**
* Explicitly comparing typeof constructor to function avoids undefined as name
* when mock identity-obj-proxy returns the key as the value for any key.
*/
const getConstructorName = val =>
(typeof val.constructor === 'function' && val.constructor.name) || 'Object';
/* global window */
/** Is val is equal to global window object? Works even if it does not exist :) */
const isWindow = val => typeof window !== 'undefined' && val === window;
const SYMBOL_REGEXP = /^Symbol\((.*)\)(.*)$/;
const NEWLINE_REGEXP = /\n/gi;
class PrettyFormatPluginError extends Error {
constructor(message, stack) {
super(message);
this.stack = stack;
this.name = this.constructor.name;
}
}
function isToStringedArrayType(toStringed) {
return (
toStringed === '[object Array]' ||
toStringed === '[object ArrayBuffer]' ||
toStringed === '[object DataView]' ||
toStringed === '[object Float32Array]' ||
toStringed === '[object Float64Array]' ||
toStringed === '[object Int8Array]' ||
toStringed === '[object Int16Array]' ||
toStringed === '[object Int32Array]' ||
toStringed === '[object Uint8Array]' ||
toStringed === '[object Uint8ClampedArray]' ||
toStringed === '[object Uint16Array]' ||
toStringed === '[object Uint32Array]'
);
}
function printNumber(val) {
return Object.is(val, -0) ? '-0' : String(val);
}
function printBigInt(val) {
return String(`${val}n`);
}
function printFunction(val, printFunctionName) {
if (!printFunctionName) {
return '[Function]';
}
return '[Function ' + (val.name || 'anonymous') + ']';
}
function printSymbol(val) {
return String(val).replace(SYMBOL_REGEXP, 'Symbol($1)');
}
function printError(val) {
return '[' + errorToString.call(val) + ']';
}
/**
* The first port of call for printing an object, handles most of the
* data-types in JS.
*/
function printBasicValue(val, printFunctionName, escapeRegex, escapeString) {
if (val === true || val === false) {
return '' + val;
}
if (val === undefined) {
return 'undefined';
}
if (val === null) {
return 'null';
}
const typeOf = typeof val;
if (typeOf === 'number') {
return printNumber(val);
}
if (typeOf === 'bigint') {
return printBigInt(val);
}
if (typeOf === 'string') {
if (escapeString) {
return '"' + val.replace(/"|\\/g, '\\$&') + '"';
}
return '"' + val + '"';
}
if (typeOf === 'function') {
return printFunction(val, printFunctionName);
}
if (typeOf === 'symbol') {
return printSymbol(val);
}
const toStringed = toString.call(val);
if (toStringed === '[object WeakMap]') {
return 'WeakMap {}';
}
if (toStringed === '[object WeakSet]') {
return 'WeakSet {}';
}
if (
toStringed === '[object Function]' ||
toStringed === '[object GeneratorFunction]'
) {
return printFunction(val, printFunctionName);
}
if (toStringed === '[object Symbol]') {
return printSymbol(val);
}
if (toStringed === '[object Date]') {
return isNaN(+val) ? 'Date { NaN }' : toISOString.call(val);
}
if (toStringed === '[object Error]') {
return printError(val);
}
if (toStringed === '[object RegExp]') {
if (escapeRegex) {
// https://github.com/benjamingr/RegExp.escape/blob/master/polyfill.js
return regExpToString.call(val).replace(/[\\^$*+?.()|[\]{}]/g, '\\$&');
}
return regExpToString.call(val);
}
if (val instanceof Error) {
return printError(val);
}
return null;
}
/**
* Handles more complex objects ( such as objects with circular references.
* maps and sets etc )
*/
function printComplexValue(
val,
config,
indentation,
depth,
refs,
hasCalledToJSON
) {
if (refs.indexOf(val) !== -1) {
return '[Circular]';
}
refs = refs.slice();
refs.push(val);
const hitMaxDepth = ++depth > config.maxDepth;
const min = config.min;
if (
config.callToJSON &&
!hitMaxDepth &&
val.toJSON &&
typeof val.toJSON === 'function' &&
!hasCalledToJSON
) {
return printer(val.toJSON(), config, indentation, depth, refs, true);
}
const toStringed = toString.call(val);
if (toStringed === '[object Arguments]') {
return hitMaxDepth
? '[Arguments]'
: (min ? '' : 'Arguments ') +
'[' +
(0, _collections.printListItems)(
val,
config,
indentation,
depth,
refs,
printer
) +
']';
}
if (isToStringedArrayType(toStringed)) {
return hitMaxDepth
? '[' + val.constructor.name + ']'
: (min ? '' : val.constructor.name + ' ') +
'[' +
(0, _collections.printListItems)(
val,
config,
indentation,
depth,
refs,
printer
) +
']';
}
if (toStringed === '[object Map]') {
return hitMaxDepth
? '[Map]'
: 'Map {' +
(0, _collections.printIteratorEntries)(
val.entries(),
config,
indentation,
depth,
refs,
printer,
' => '
) +
'}';
}
if (toStringed === '[object Set]') {
return hitMaxDepth
? '[Set]'
: 'Set {' +
(0, _collections.printIteratorValues)(
val.values(),
config,
indentation,
depth,
refs,
printer
) +
'}';
} // Avoid failure to serialize global window object in jsdom test environment.
// For example, not even relevant if window is prop of React element.
return hitMaxDepth || isWindow(val)
? '[' + getConstructorName(val) + ']'
: (min ? '' : getConstructorName(val) + ' ') +
'{' +
(0, _collections.printObjectProperties)(
val,
config,
indentation,
depth,
refs,
printer
) +
'}';
}
function isNewPlugin(plugin) {
return plugin.serialize != null;
}
function printPlugin(plugin, val, config, indentation, depth, refs) {
let printed;
try {
printed = isNewPlugin(plugin)
? plugin.serialize(val, config, indentation, depth, refs, printer)
: plugin.print(
val,
valChild => printer(valChild, config, indentation, depth, refs),
str => {
const indentationNext = indentation + config.indent;
return (
indentationNext +
str.replace(NEWLINE_REGEXP, '\n' + indentationNext)
);
},
{
edgeSpacing: config.spacingOuter,
min: config.min,
spacing: config.spacingInner
},
config.colors
);
} catch (error) {
throw new PrettyFormatPluginError(error.message, error.stack);
}
if (typeof printed !== 'string') {
throw new Error(
`pretty-format: Plugin must return type "string" but instead returned "${typeof printed}".`
);
}
return printed;
}
function findPlugin(plugins, val) {
for (let p = 0; p < plugins.length; p++) {
try {
if (plugins[p].test(val)) {
return plugins[p];
}
} catch (error) {
throw new PrettyFormatPluginError(error.message, error.stack);
}
}
return null;
}
function printer(val, config, indentation, depth, refs, hasCalledToJSON) {
const plugin = findPlugin(config.plugins, val);
if (plugin !== null) {
return printPlugin(plugin, val, config, indentation, depth, refs);
}
const basicResult = printBasicValue(
val,
config.printFunctionName,
config.escapeRegex,
config.escapeString
);
if (basicResult !== null) {
return basicResult;
}
return printComplexValue(
val,
config,
indentation,
depth,
refs,
hasCalledToJSON
);
}
const DEFAULT_THEME = {
comment: 'gray',
content: 'reset',
prop: 'yellow',
tag: 'cyan',
value: 'green'
};
const DEFAULT_THEME_KEYS = Object.keys(DEFAULT_THEME);
const DEFAULT_OPTIONS = {
callToJSON: true,
escapeRegex: false,
escapeString: true,
highlight: false,
indent: 2,
maxDepth: Infinity,
min: false,
plugins: [],
printFunctionName: true,
theme: DEFAULT_THEME
};
function validateOptions(options) {
Object.keys(options).forEach(key => {
if (!DEFAULT_OPTIONS.hasOwnProperty(key)) {
throw new Error(`pretty-format: Unknown option "${key}".`);
}
});
if (options.min && options.indent !== undefined && options.indent !== 0) {
throw new Error(
'pretty-format: Options "min" and "indent" cannot be used together.'
);
}
if (options.theme !== undefined) {
if (options.theme === null) {
throw new Error(`pretty-format: Option "theme" must not be null.`);
}
if (typeof options.theme !== 'object') {
throw new Error(
`pretty-format: Option "theme" must be of type "object" but instead received "${typeof options.theme}".`
);
}
}
}
const getColorsHighlight = options =>
DEFAULT_THEME_KEYS.reduce((colors, key) => {
const value =
options.theme && options.theme[key] !== undefined
? options.theme[key]
: DEFAULT_THEME[key];
const color = value && _ansiStyles.default[value];
if (
color &&
typeof color.close === 'string' &&
typeof color.open === 'string'
) {
colors[key] = color;
} else {
throw new Error(
`pretty-format: Option "theme" has a key "${key}" whose value "${value}" is undefined in ansi-styles.`
);
}
return colors;
}, Object.create(null));
const getColorsEmpty = () =>
DEFAULT_THEME_KEYS.reduce((colors, key) => {
colors[key] = {
close: '',
open: ''
};
return colors;
}, Object.create(null));
const getPrintFunctionName = options =>
options && options.printFunctionName !== undefined
? options.printFunctionName
: DEFAULT_OPTIONS.printFunctionName;
const getEscapeRegex = options =>
options && options.escapeRegex !== undefined
? options.escapeRegex
: DEFAULT_OPTIONS.escapeRegex;
const getEscapeString = options =>
options && options.escapeString !== undefined
? options.escapeString
: DEFAULT_OPTIONS.escapeString;
const getConfig = options => ({
callToJSON:
options && options.callToJSON !== undefined
? options.callToJSON
: DEFAULT_OPTIONS.callToJSON,
colors:
options && options.highlight
? getColorsHighlight(options)
: getColorsEmpty(),
escapeRegex: getEscapeRegex(options),
escapeString: getEscapeString(options),
indent:
options && options.min
? ''
: createIndent(
options && options.indent !== undefined
? options.indent
: DEFAULT_OPTIONS.indent
),
maxDepth:
options && options.maxDepth !== undefined
? options.maxDepth
: DEFAULT_OPTIONS.maxDepth,
min: options && options.min !== undefined ? options.min : DEFAULT_OPTIONS.min,
plugins:
options && options.plugins !== undefined
? options.plugins
: DEFAULT_OPTIONS.plugins,
printFunctionName: getPrintFunctionName(options),
spacingInner: options && options.min ? ' ' : '\n',
spacingOuter: options && options.min ? '' : '\n'
});
function createIndent(indent) {
return new Array(indent + 1).join(' ');
}
/**
* Returns a presentation string of your `val` object
* @param val any potential JavaScript object
* @param options Custom settings
*/
function prettyFormat(val, options) {
if (options) {
validateOptions(options);
if (options.plugins) {
const plugin = findPlugin(options.plugins, val);
if (plugin !== null) {
return printPlugin(plugin, val, getConfig(options), '', 0, []);
}
}
}
const basicResult = printBasicValue(
val,
getPrintFunctionName(options),
getEscapeRegex(options),
getEscapeString(options)
);
if (basicResult !== null) {
return basicResult;
}
return printComplexValue(val, getConfig(options), '', 0, []);
}
prettyFormat.plugins = {
AsymmetricMatcher: _AsymmetricMatcher.default,
ConvertAnsi: _ConvertAnsi.default,
DOMCollection: _DOMCollection.default,
DOMElement: _DOMElement.default,
Immutable: _Immutable.default,
ReactElement: _ReactElement.default,
ReactTestComponent: _ReactTestComponent.default
};
module.exports = prettyFormat;

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type { NewPlugin } from '../types';
export declare const serialize: NewPlugin['serialize'];
export declare const test: NewPlugin['test'];
declare const plugin: NewPlugin;
export default plugin;

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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = exports.test = exports.serialize = void 0;
var _collections = require('../collections');
var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
const asymmetricMatcher =
typeof Symbol === 'function' && Symbol.for
? Symbol.for('jest.asymmetricMatcher')
: 0x1357a5;
const SPACE = ' ';
const serialize = (val, config, indentation, depth, refs, printer) => {
const stringedValue = val.toString();
if (
stringedValue === 'ArrayContaining' ||
stringedValue === 'ArrayNotContaining'
) {
if (++depth > config.maxDepth) {
return '[' + stringedValue + ']';
}
return (
stringedValue +
SPACE +
'[' +
(0, _collections.printListItems)(
val.sample,
config,
indentation,
depth,
refs,
printer
) +
']'
);
}
if (
stringedValue === 'ObjectContaining' ||
stringedValue === 'ObjectNotContaining'
) {
if (++depth > config.maxDepth) {
return '[' + stringedValue + ']';
}
return (
stringedValue +
SPACE +
'{' +
(0, _collections.printObjectProperties)(
val.sample,
config,
indentation,
depth,
refs,
printer
) +
'}'
);
}
if (
stringedValue === 'StringMatching' ||
stringedValue === 'StringNotMatching'
) {
return (
stringedValue +
SPACE +
printer(val.sample, config, indentation, depth, refs)
);
}
if (
stringedValue === 'StringContaining' ||
stringedValue === 'StringNotContaining'
) {
return (
stringedValue +
SPACE +
printer(val.sample, config, indentation, depth, refs)
);
}
return val.toAsymmetricMatcher();
};
exports.serialize = serialize;
const test = val => val && val.$$typeof === asymmetricMatcher;
exports.test = test;
const plugin = {
serialize,
test
};
var _default = plugin;
exports.default = _default;

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type { NewPlugin } from '../types';
export declare const test: NewPlugin['test'];
export declare const serialize: NewPlugin['serialize'];
declare const plugin: NewPlugin;
export default plugin;

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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = exports.serialize = exports.test = void 0;
var _ansiRegex = _interopRequireDefault(require('ansi-regex'));
var _ansiStyles = _interopRequireDefault(require('ansi-styles'));
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const toHumanReadableAnsi = text =>
text.replace((0, _ansiRegex.default)(), match => {
switch (match) {
case _ansiStyles.default.red.close:
case _ansiStyles.default.green.close:
case _ansiStyles.default.cyan.close:
case _ansiStyles.default.gray.close:
case _ansiStyles.default.white.close:
case _ansiStyles.default.yellow.close:
case _ansiStyles.default.bgRed.close:
case _ansiStyles.default.bgGreen.close:
case _ansiStyles.default.bgYellow.close:
case _ansiStyles.default.inverse.close:
case _ansiStyles.default.dim.close:
case _ansiStyles.default.bold.close:
case _ansiStyles.default.reset.open:
case _ansiStyles.default.reset.close:
return '</>';
case _ansiStyles.default.red.open:
return '<red>';
case _ansiStyles.default.green.open:
return '<green>';
case _ansiStyles.default.cyan.open:
return '<cyan>';
case _ansiStyles.default.gray.open:
return '<gray>';
case _ansiStyles.default.white.open:
return '<white>';
case _ansiStyles.default.yellow.open:
return '<yellow>';
case _ansiStyles.default.bgRed.open:
return '<bgRed>';
case _ansiStyles.default.bgGreen.open:
return '<bgGreen>';
case _ansiStyles.default.bgYellow.open:
return '<bgYellow>';
case _ansiStyles.default.inverse.open:
return '<inverse>';
case _ansiStyles.default.dim.open:
return '<dim>';
case _ansiStyles.default.bold.open:
return '<bold>';
default:
return '';
}
});
const test = val =>
typeof val === 'string' && !!val.match((0, _ansiRegex.default)());
exports.test = test;
const serialize = (val, config, indentation, depth, refs, printer) =>
printer(toHumanReadableAnsi(val), config, indentation, depth, refs);
exports.serialize = serialize;
const plugin = {
serialize,
test
};
var _default = plugin;
exports.default = _default;

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type { NewPlugin } from '../types';
export declare const test: NewPlugin['test'];
export declare const serialize: NewPlugin['serialize'];
declare const plugin: NewPlugin;
export default plugin;

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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = exports.serialize = exports.test = void 0;
var _collections = require('../collections');
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/* eslint-disable local/ban-types-eventually */
const SPACE = ' ';
const OBJECT_NAMES = ['DOMStringMap', 'NamedNodeMap'];
const ARRAY_REGEXP = /^(HTML\w*Collection|NodeList)$/;
const testName = name =>
OBJECT_NAMES.indexOf(name) !== -1 || ARRAY_REGEXP.test(name);
const test = val =>
val &&
val.constructor &&
!!val.constructor.name &&
testName(val.constructor.name);
exports.test = test;
const isNamedNodeMap = collection =>
collection.constructor.name === 'NamedNodeMap';
const serialize = (collection, config, indentation, depth, refs, printer) => {
const name = collection.constructor.name;
if (++depth > config.maxDepth) {
return '[' + name + ']';
}
return (
(config.min ? '' : name + SPACE) +
(OBJECT_NAMES.indexOf(name) !== -1
? '{' +
(0, _collections.printObjectProperties)(
isNamedNodeMap(collection)
? Array.from(collection).reduce((props, attribute) => {
props[attribute.name] = attribute.value;
return props;
}, {})
: {...collection},
config,
indentation,
depth,
refs,
printer
) +
'}'
: '[' +
(0, _collections.printListItems)(
Array.from(collection),
config,
indentation,
depth,
refs,
printer
) +
']')
);
};
exports.serialize = serialize;
const plugin = {
serialize,
test
};
var _default = plugin;
exports.default = _default;

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type { NewPlugin } from '../types';
export declare const test: NewPlugin['test'];
export declare const serialize: NewPlugin['serialize'];
declare const plugin: NewPlugin;
export default plugin;

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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = exports.serialize = exports.test = void 0;
var _markup = require('./lib/markup');
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const ELEMENT_NODE = 1;
const TEXT_NODE = 3;
const COMMENT_NODE = 8;
const FRAGMENT_NODE = 11;
const ELEMENT_REGEXP = /^((HTML|SVG)\w*)?Element$/;
const testNode = val => {
var _val$hasAttribute;
const constructorName = val.constructor.name;
const {nodeType, tagName} = val;
const isCustomElement =
(typeof tagName === 'string' && tagName.includes('-')) ||
((_val$hasAttribute = val.hasAttribute) === null ||
_val$hasAttribute === void 0
? void 0
: _val$hasAttribute.call(val, 'is'));
return (
(nodeType === ELEMENT_NODE &&
(ELEMENT_REGEXP.test(constructorName) || isCustomElement)) ||
(nodeType === TEXT_NODE && constructorName === 'Text') ||
(nodeType === COMMENT_NODE && constructorName === 'Comment') ||
(nodeType === FRAGMENT_NODE && constructorName === 'DocumentFragment')
);
};
const test = val => {
var _val$constructor;
return (
(val === null || val === void 0
? void 0
: (_val$constructor = val.constructor) === null ||
_val$constructor === void 0
? void 0
: _val$constructor.name) && testNode(val)
);
};
exports.test = test;
function nodeIsText(node) {
return node.nodeType === TEXT_NODE;
}
function nodeIsComment(node) {
return node.nodeType === COMMENT_NODE;
}
function nodeIsFragment(node) {
return node.nodeType === FRAGMENT_NODE;
}
const serialize = (node, config, indentation, depth, refs, printer) => {
if (nodeIsText(node)) {
return (0, _markup.printText)(node.data, config);
}
if (nodeIsComment(node)) {
return (0, _markup.printComment)(node.data, config);
}
const type = nodeIsFragment(node)
? `DocumentFragment`
: node.tagName.toLowerCase();
if (++depth > config.maxDepth) {
return (0, _markup.printElementAsLeaf)(type, config);
}
return (0, _markup.printElement)(
type,
(0, _markup.printProps)(
nodeIsFragment(node)
? []
: Array.from(node.attributes)
.map(attr => attr.name)
.sort(),
nodeIsFragment(node)
? {}
: Array.from(node.attributes).reduce((props, attribute) => {
props[attribute.name] = attribute.value;
return props;
}, {}),
config,
indentation + config.indent,
depth,
refs,
printer
),
(0, _markup.printChildren)(
Array.prototype.slice.call(node.childNodes || node.children),
config,
indentation + config.indent,
depth,
refs,
printer
),
config,
indentation
);
};
exports.serialize = serialize;
const plugin = {
serialize,
test
};
var _default = plugin;
exports.default = _default;

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type { NewPlugin } from '../types';
export declare const serialize: NewPlugin['serialize'];
export declare const test: NewPlugin['test'];
declare const plugin: NewPlugin;
export default plugin;

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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = exports.test = exports.serialize = void 0;
var _collections = require('../collections');
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// SENTINEL constants are from https://github.com/facebook/immutable-js
const IS_ITERABLE_SENTINEL = '@@__IMMUTABLE_ITERABLE__@@';
const IS_LIST_SENTINEL = '@@__IMMUTABLE_LIST__@@';
const IS_KEYED_SENTINEL = '@@__IMMUTABLE_KEYED__@@';
const IS_MAP_SENTINEL = '@@__IMMUTABLE_MAP__@@';
const IS_ORDERED_SENTINEL = '@@__IMMUTABLE_ORDERED__@@';
const IS_RECORD_SENTINEL = '@@__IMMUTABLE_RECORD__@@'; // immutable v4
const IS_SEQ_SENTINEL = '@@__IMMUTABLE_SEQ__@@';
const IS_SET_SENTINEL = '@@__IMMUTABLE_SET__@@';
const IS_STACK_SENTINEL = '@@__IMMUTABLE_STACK__@@';
const getImmutableName = name => 'Immutable.' + name;
const printAsLeaf = name => '[' + name + ']';
const SPACE = ' ';
const LAZY = '…'; // Seq is lazy if it calls a method like filter
const printImmutableEntries = (
val,
config,
indentation,
depth,
refs,
printer,
type
) =>
++depth > config.maxDepth
? printAsLeaf(getImmutableName(type))
: getImmutableName(type) +
SPACE +
'{' +
(0, _collections.printIteratorEntries)(
val.entries(),
config,
indentation,
depth,
refs,
printer
) +
'}'; // Record has an entries method because it is a collection in immutable v3.
// Return an iterator for Immutable Record from version v3 or v4.
function getRecordEntries(val) {
let i = 0;
return {
next() {
if (i < val._keys.length) {
const key = val._keys[i++];
return {
done: false,
value: [key, val.get(key)]
};
}
return {
done: true,
value: undefined
};
}
};
}
const printImmutableRecord = (
val,
config,
indentation,
depth,
refs,
printer
) => {
// _name property is defined only for an Immutable Record instance
// which was constructed with a second optional descriptive name arg
const name = getImmutableName(val._name || 'Record');
return ++depth > config.maxDepth
? printAsLeaf(name)
: name +
SPACE +
'{' +
(0, _collections.printIteratorEntries)(
getRecordEntries(val),
config,
indentation,
depth,
refs,
printer
) +
'}';
};
const printImmutableSeq = (val, config, indentation, depth, refs, printer) => {
const name = getImmutableName('Seq');
if (++depth > config.maxDepth) {
return printAsLeaf(name);
}
if (val[IS_KEYED_SENTINEL]) {
return (
name +
SPACE +
'{' + // from Immutable collection of entries or from ECMAScript object
(val._iter || val._object
? (0, _collections.printIteratorEntries)(
val.entries(),
config,
indentation,
depth,
refs,
printer
)
: LAZY) +
'}'
);
}
return (
name +
SPACE +
'[' +
(val._iter || // from Immutable collection of values
val._array || // from ECMAScript array
val._collection || // from ECMAScript collection in immutable v4
val._iterable // from ECMAScript collection in immutable v3
? (0, _collections.printIteratorValues)(
val.values(),
config,
indentation,
depth,
refs,
printer
)
: LAZY) +
']'
);
};
const printImmutableValues = (
val,
config,
indentation,
depth,
refs,
printer,
type
) =>
++depth > config.maxDepth
? printAsLeaf(getImmutableName(type))
: getImmutableName(type) +
SPACE +
'[' +
(0, _collections.printIteratorValues)(
val.values(),
config,
indentation,
depth,
refs,
printer
) +
']';
const serialize = (val, config, indentation, depth, refs, printer) => {
if (val[IS_MAP_SENTINEL]) {
return printImmutableEntries(
val,
config,
indentation,
depth,
refs,
printer,
val[IS_ORDERED_SENTINEL] ? 'OrderedMap' : 'Map'
);
}
if (val[IS_LIST_SENTINEL]) {
return printImmutableValues(
val,
config,
indentation,
depth,
refs,
printer,
'List'
);
}
if (val[IS_SET_SENTINEL]) {
return printImmutableValues(
val,
config,
indentation,
depth,
refs,
printer,
val[IS_ORDERED_SENTINEL] ? 'OrderedSet' : 'Set'
);
}
if (val[IS_STACK_SENTINEL]) {
return printImmutableValues(
val,
config,
indentation,
depth,
refs,
printer,
'Stack'
);
}
if (val[IS_SEQ_SENTINEL]) {
return printImmutableSeq(val, config, indentation, depth, refs, printer);
} // For compatibility with immutable v3 and v4, let record be the default.
return printImmutableRecord(val, config, indentation, depth, refs, printer);
}; // Explicitly comparing sentinel properties to true avoids false positive
// when mock identity-obj-proxy returns the key as the value for any key.
exports.serialize = serialize;
const test = val =>
val &&
(val[IS_ITERABLE_SENTINEL] === true || val[IS_RECORD_SENTINEL] === true);
exports.test = test;
const plugin = {
serialize,
test
};
var _default = plugin;
exports.default = _default;

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type { NewPlugin } from '../types';
export declare const serialize: NewPlugin['serialize'];
export declare const test: NewPlugin['test'];
declare const plugin: NewPlugin;
export default plugin;

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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = exports.test = exports.serialize = void 0;
var ReactIs = _interopRequireWildcard(require('react-is'));
var _markup = require('./lib/markup');
function _getRequireWildcardCache() {
if (typeof WeakMap !== 'function') return null;
var cache = new WeakMap();
_getRequireWildcardCache = function () {
return cache;
};
return cache;
}
function _interopRequireWildcard(obj) {
if (obj && obj.__esModule) {
return obj;
}
if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
return {default: obj};
}
var cache = _getRequireWildcardCache();
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor =
Object.defineProperty && Object.getOwnPropertyDescriptor;
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor
? Object.getOwnPropertyDescriptor(obj, key)
: null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// Given element.props.children, or subtree during recursive traversal,
// return flattened array of children.
const getChildren = (arg, children = []) => {
if (Array.isArray(arg)) {
arg.forEach(item => {
getChildren(item, children);
});
} else if (arg != null && arg !== false) {
children.push(arg);
}
return children;
};
const getType = element => {
const type = element.type;
if (typeof type === 'string') {
return type;
}
if (typeof type === 'function') {
return type.displayName || type.name || 'Unknown';
}
if (ReactIs.isFragment(element)) {
return 'React.Fragment';
}
if (ReactIs.isSuspense(element)) {
return 'React.Suspense';
}
if (typeof type === 'object' && type !== null) {
if (ReactIs.isContextProvider(element)) {
return 'Context.Provider';
}
if (ReactIs.isContextConsumer(element)) {
return 'Context.Consumer';
}
if (ReactIs.isForwardRef(element)) {
if (type.displayName) {
return type.displayName;
}
const functionName = type.render.displayName || type.render.name || '';
return functionName !== ''
? 'ForwardRef(' + functionName + ')'
: 'ForwardRef';
}
if (ReactIs.isMemo(element)) {
const functionName =
type.displayName || type.type.displayName || type.type.name || '';
return functionName !== '' ? 'Memo(' + functionName + ')' : 'Memo';
}
}
return 'UNDEFINED';
};
const getPropKeys = element => {
const {props} = element;
return Object.keys(props)
.filter(key => key !== 'children' && props[key] !== undefined)
.sort();
};
const serialize = (element, config, indentation, depth, refs, printer) =>
++depth > config.maxDepth
? (0, _markup.printElementAsLeaf)(getType(element), config)
: (0, _markup.printElement)(
getType(element),
(0, _markup.printProps)(
getPropKeys(element),
element.props,
config,
indentation + config.indent,
depth,
refs,
printer
),
(0, _markup.printChildren)(
getChildren(element.props.children),
config,
indentation + config.indent,
depth,
refs,
printer
),
config,
indentation
);
exports.serialize = serialize;
const test = val => val && ReactIs.isElement(val);
exports.test = test;
const plugin = {
serialize,
test
};
var _default = plugin;
exports.default = _default;

View File

@@ -0,0 +1,18 @@
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type { NewPlugin } from '../types';
export declare type ReactTestObject = {
$$typeof: symbol;
type: string;
props?: Record<string, unknown>;
children?: null | Array<ReactTestChild>;
};
declare type ReactTestChild = ReactTestObject | string | number;
export declare const serialize: NewPlugin['serialize'];
export declare const test: NewPlugin['test'];
declare const plugin: NewPlugin;
export default plugin;

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@@ -0,0 +1,65 @@
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = exports.test = exports.serialize = void 0;
var _markup = require('./lib/markup');
var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
const testSymbol =
typeof Symbol === 'function' && Symbol.for
? Symbol.for('react.test.json')
: 0xea71357;
const getPropKeys = object => {
const {props} = object;
return props
? Object.keys(props)
.filter(key => props[key] !== undefined)
.sort()
: [];
};
const serialize = (object, config, indentation, depth, refs, printer) =>
++depth > config.maxDepth
? (0, _markup.printElementAsLeaf)(object.type, config)
: (0, _markup.printElement)(
object.type,
object.props
? (0, _markup.printProps)(
getPropKeys(object),
object.props,
config,
indentation + config.indent,
depth,
refs,
printer
)
: '',
object.children
? (0, _markup.printChildren)(
object.children,
config,
indentation + config.indent,
depth,
refs,
printer
)
: '',
config,
indentation
);
exports.serialize = serialize;
const test = val => val && val.$$typeof === testSymbol;
exports.test = test;
const plugin = {
serialize,
test
};
var _default = plugin;
exports.default = _default;

View File

@@ -0,0 +1,7 @@
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
export default function escapeHTML(str: string): string;

View File

@@ -0,0 +1,16 @@
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = escapeHTML;
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
function escapeHTML(str) {
return str.replace(/</g, '&lt;').replace(/>/g, '&gt;');
}

View File

@@ -0,0 +1,13 @@
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import type { Config, Printer, Refs } from '../../types';
export declare const printProps: (keys: Array<string>, props: Record<string, unknown>, config: Config, indentation: string, depth: number, refs: Refs, printer: Printer) => string;
export declare const printChildren: (children: Array<unknown>, config: Config, indentation: string, depth: number, refs: Refs, printer: Printer) => string;
export declare const printText: (text: string, config: Config) => string;
export declare const printComment: (comment: string, config: Config) => string;
export declare const printElement: (type: string, printedProps: string, printedChildren: string, config: Config, indentation: string) => string;
export declare const printElementAsLeaf: (type: string, config: Config) => string;

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@@ -0,0 +1,147 @@
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.printElementAsLeaf = exports.printElement = exports.printComment = exports.printText = exports.printChildren = exports.printProps = void 0;
var _escapeHTML = _interopRequireDefault(require('./escapeHTML'));
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// Return empty string if keys is empty.
const printProps = (keys, props, config, indentation, depth, refs, printer) => {
const indentationNext = indentation + config.indent;
const colors = config.colors;
return keys
.map(key => {
const value = props[key];
let printed = printer(value, config, indentationNext, depth, refs);
if (typeof value !== 'string') {
if (printed.indexOf('\n') !== -1) {
printed =
config.spacingOuter +
indentationNext +
printed +
config.spacingOuter +
indentation;
}
printed = '{' + printed + '}';
}
return (
config.spacingInner +
indentation +
colors.prop.open +
key +
colors.prop.close +
'=' +
colors.value.open +
printed +
colors.value.close
);
})
.join('');
}; // Return empty string if children is empty.
exports.printProps = printProps;
const printChildren = (children, config, indentation, depth, refs, printer) =>
children
.map(
child =>
config.spacingOuter +
indentation +
(typeof child === 'string'
? printText(child, config)
: printer(child, config, indentation, depth, refs))
)
.join('');
exports.printChildren = printChildren;
const printText = (text, config) => {
const contentColor = config.colors.content;
return (
contentColor.open + (0, _escapeHTML.default)(text) + contentColor.close
);
};
exports.printText = printText;
const printComment = (comment, config) => {
const commentColor = config.colors.comment;
return (
commentColor.open +
'<!--' +
(0, _escapeHTML.default)(comment) +
'-->' +
commentColor.close
);
}; // Separate the functions to format props, children, and element,
// so a plugin could override a particular function, if needed.
// Too bad, so sad: the traditional (but unnecessary) space
// in a self-closing tagColor requires a second test of printedProps.
exports.printComment = printComment;
const printElement = (
type,
printedProps,
printedChildren,
config,
indentation
) => {
const tagColor = config.colors.tag;
return (
tagColor.open +
'<' +
type +
(printedProps &&
tagColor.close +
printedProps +
config.spacingOuter +
indentation +
tagColor.open) +
(printedChildren
? '>' +
tagColor.close +
printedChildren +
config.spacingOuter +
indentation +
tagColor.open +
'</' +
type
: (printedProps && !config.min ? '' : ' ') + '/') +
'>' +
tagColor.close
);
};
exports.printElement = printElement;
const printElementAsLeaf = (type, config) => {
const tagColor = config.colors.tag;
return (
tagColor.open +
'<' +
type +
tagColor.close +
' …' +
tagColor.open +
' />' +
tagColor.close
);
};
exports.printElementAsLeaf = printElementAsLeaf;

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@@ -0,0 +1,100 @@
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
export declare type Colors = {
comment: {
close: string;
open: string;
};
content: {
close: string;
open: string;
};
prop: {
close: string;
open: string;
};
tag: {
close: string;
open: string;
};
value: {
close: string;
open: string;
};
};
declare type Indent = (arg0: string) => string;
export declare type Refs = Array<unknown>;
declare type Print = (arg0: unknown) => string;
export declare type Theme = {
comment: string;
content: string;
prop: string;
tag: string;
value: string;
};
declare type ThemeReceived = {
comment?: string;
content?: string;
prop?: string;
tag?: string;
value?: string;
};
export declare type Options = {
callToJSON: boolean;
escapeRegex: boolean;
escapeString: boolean;
highlight: boolean;
indent: number;
maxDepth: number;
min: boolean;
plugins: Plugins;
printFunctionName: boolean;
theme: Theme;
};
export declare type OptionsReceived = {
callToJSON?: boolean;
escapeRegex?: boolean;
escapeString?: boolean;
highlight?: boolean;
indent?: number;
maxDepth?: number;
min?: boolean;
plugins?: Plugins;
printFunctionName?: boolean;
theme?: ThemeReceived;
};
export declare type Config = {
callToJSON: boolean;
colors: Colors;
escapeRegex: boolean;
escapeString: boolean;
indent: string;
maxDepth: number;
min: boolean;
plugins: Plugins;
printFunctionName: boolean;
spacingInner: string;
spacingOuter: string;
};
export declare type Printer = (val: unknown, config: Config, indentation: string, depth: number, refs: Refs, hasCalledToJSON?: boolean) => string;
declare type Test = (arg0: any) => boolean;
export declare type NewPlugin = {
serialize: (val: any, config: Config, indentation: string, depth: number, refs: Refs, printer: Printer) => string;
test: Test;
};
declare type PluginOptions = {
edgeSpacing: string;
min: boolean;
spacing: string;
};
export declare type OldPlugin = {
print: (val: unknown, print: Print, indent: Indent, options: PluginOptions, colors: Colors) => string;
test: Test;
};
export declare type Plugin = NewPlugin | OldPlugin;
export declare type Plugins = Array<Plugin>;
export {};

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@@ -0,0 +1,37 @@
{
"name": "pretty-format",
"version": "26.6.2",
"repository": {
"type": "git",
"url": "https://github.com/facebook/jest.git",
"directory": "packages/pretty-format"
},
"license": "MIT",
"description": "Stringify any JavaScript value.",
"main": "build/index.js",
"types": "build/index.d.ts",
"author": "James Kyle <me@thejameskyle.com>",
"dependencies": {
"@jest/types": "^26.6.2",
"ansi-regex": "^5.0.0",
"ansi-styles": "^4.0.0",
"react-is": "^17.0.1"
},
"devDependencies": {
"@types/react": "*",
"@types/react-is": "^16.7.1",
"@types/react-test-renderer": "*",
"immutable": "4.0.0-rc.9",
"jest-util": "^26.6.2",
"react": "*",
"react-dom": "*",
"react-test-renderer": "*"
},
"engines": {
"node": ">= 10"
},
"publishConfig": {
"access": "public"
},
"gitHead": "4c46930615602cbf983fb7e8e82884c282a624d5"
}

View File

@@ -0,0 +1,21 @@
MIT License
Copyright (c) Facebook, Inc. and its affiliates.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

View File

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# `react-is`
This package allows you to test arbitrary values and see if they're a particular React element type.
## Installation
```sh
# Yarn
yarn add react-is
# NPM
npm install react-is
```
## Usage
### Determining if a Component is Valid
```js
import React from "react";
import * as ReactIs from "react-is";
class ClassComponent extends React.Component {
render() {
return React.createElement("div");
}
}
const FunctionComponent = () => React.createElement("div");
const ForwardRefComponent = React.forwardRef((props, ref) =>
React.createElement(Component, { forwardedRef: ref, ...props })
);
const Context = React.createContext(false);
ReactIs.isValidElementType("div"); // true
ReactIs.isValidElementType(ClassComponent); // true
ReactIs.isValidElementType(FunctionComponent); // true
ReactIs.isValidElementType(ForwardRefComponent); // true
ReactIs.isValidElementType(Context.Provider); // true
ReactIs.isValidElementType(Context.Consumer); // true
ReactIs.isValidElementType(React.createFactory("div")); // true
```
### Determining an Element's Type
#### Context
```js
import React from "react";
import * as ReactIs from 'react-is';
const ThemeContext = React.createContext("blue");
ReactIs.isContextConsumer(<ThemeContext.Consumer />); // true
ReactIs.isContextProvider(<ThemeContext.Provider />); // true
ReactIs.typeOf(<ThemeContext.Provider />) === ReactIs.ContextProvider; // true
ReactIs.typeOf(<ThemeContext.Consumer />) === ReactIs.ContextConsumer; // true
```
#### Element
```js
import React from "react";
import * as ReactIs from 'react-is';
ReactIs.isElement(<div />); // true
ReactIs.typeOf(<div />) === ReactIs.Element; // true
```
#### Fragment
```js
import React from "react";
import * as ReactIs from 'react-is';
ReactIs.isFragment(<></>); // true
ReactIs.typeOf(<></>) === ReactIs.Fragment; // true
```
#### Portal
```js
import React from "react";
import ReactDOM from "react-dom";
import * as ReactIs from 'react-is';
const div = document.createElement("div");
const portal = ReactDOM.createPortal(<div />, div);
ReactIs.isPortal(portal); // true
ReactIs.typeOf(portal) === ReactIs.Portal; // true
```
#### StrictMode
```js
import React from "react";
import * as ReactIs from 'react-is';
ReactIs.isStrictMode(<React.StrictMode />); // true
ReactIs.typeOf(<React.StrictMode />) === ReactIs.StrictMode; // true
```

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{
"branch": "pull/21051",
"buildNumber": "287151",
"checksum": "94f5c65",
"commit": "12adaffef",
"environment": "ci",
"reactVersion": "17.0.0-12adaffef"
}

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/** @license React v17.0.2
* react-is.development.js
*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
if (process.env.NODE_ENV !== "production") {
(function() {
'use strict';
// ATTENTION
// When adding new symbols to this file,
// Please consider also adding to 'react-devtools-shared/src/backend/ReactSymbols'
// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
// nor polyfill, then a plain number is used for performance.
var REACT_ELEMENT_TYPE = 0xeac7;
var REACT_PORTAL_TYPE = 0xeaca;
var REACT_FRAGMENT_TYPE = 0xeacb;
var REACT_STRICT_MODE_TYPE = 0xeacc;
var REACT_PROFILER_TYPE = 0xead2;
var REACT_PROVIDER_TYPE = 0xeacd;
var REACT_CONTEXT_TYPE = 0xeace;
var REACT_FORWARD_REF_TYPE = 0xead0;
var REACT_SUSPENSE_TYPE = 0xead1;
var REACT_SUSPENSE_LIST_TYPE = 0xead8;
var REACT_MEMO_TYPE = 0xead3;
var REACT_LAZY_TYPE = 0xead4;
var REACT_BLOCK_TYPE = 0xead9;
var REACT_SERVER_BLOCK_TYPE = 0xeada;
var REACT_FUNDAMENTAL_TYPE = 0xead5;
var REACT_SCOPE_TYPE = 0xead7;
var REACT_OPAQUE_ID_TYPE = 0xeae0;
var REACT_DEBUG_TRACING_MODE_TYPE = 0xeae1;
var REACT_OFFSCREEN_TYPE = 0xeae2;
var REACT_LEGACY_HIDDEN_TYPE = 0xeae3;
if (typeof Symbol === 'function' && Symbol.for) {
var symbolFor = Symbol.for;
REACT_ELEMENT_TYPE = symbolFor('react.element');
REACT_PORTAL_TYPE = symbolFor('react.portal');
REACT_FRAGMENT_TYPE = symbolFor('react.fragment');
REACT_STRICT_MODE_TYPE = symbolFor('react.strict_mode');
REACT_PROFILER_TYPE = symbolFor('react.profiler');
REACT_PROVIDER_TYPE = symbolFor('react.provider');
REACT_CONTEXT_TYPE = symbolFor('react.context');
REACT_FORWARD_REF_TYPE = symbolFor('react.forward_ref');
REACT_SUSPENSE_TYPE = symbolFor('react.suspense');
REACT_SUSPENSE_LIST_TYPE = symbolFor('react.suspense_list');
REACT_MEMO_TYPE = symbolFor('react.memo');
REACT_LAZY_TYPE = symbolFor('react.lazy');
REACT_BLOCK_TYPE = symbolFor('react.block');
REACT_SERVER_BLOCK_TYPE = symbolFor('react.server.block');
REACT_FUNDAMENTAL_TYPE = symbolFor('react.fundamental');
REACT_SCOPE_TYPE = symbolFor('react.scope');
REACT_OPAQUE_ID_TYPE = symbolFor('react.opaque.id');
REACT_DEBUG_TRACING_MODE_TYPE = symbolFor('react.debug_trace_mode');
REACT_OFFSCREEN_TYPE = symbolFor('react.offscreen');
REACT_LEGACY_HIDDEN_TYPE = symbolFor('react.legacy_hidden');
}
// Filter certain DOM attributes (e.g. src, href) if their values are empty strings.
var enableScopeAPI = false; // Experimental Create Event Handle API.
function isValidElementType(type) {
if (typeof type === 'string' || typeof type === 'function') {
return true;
} // Note: typeof might be other than 'symbol' or 'number' (e.g. if it's a polyfill).
if (type === REACT_FRAGMENT_TYPE || type === REACT_PROFILER_TYPE || type === REACT_DEBUG_TRACING_MODE_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || type === REACT_LEGACY_HIDDEN_TYPE || enableScopeAPI ) {
return true;
}
if (typeof type === 'object' && type !== null) {
if (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || type.$$typeof === REACT_FUNDAMENTAL_TYPE || type.$$typeof === REACT_BLOCK_TYPE || type[0] === REACT_SERVER_BLOCK_TYPE) {
return true;
}
}
return false;
}
function typeOf(object) {
if (typeof object === 'object' && object !== null) {
var $$typeof = object.$$typeof;
switch ($$typeof) {
case REACT_ELEMENT_TYPE:
var type = object.type;
switch (type) {
case REACT_FRAGMENT_TYPE:
case REACT_PROFILER_TYPE:
case REACT_STRICT_MODE_TYPE:
case REACT_SUSPENSE_TYPE:
case REACT_SUSPENSE_LIST_TYPE:
return type;
default:
var $$typeofType = type && type.$$typeof;
switch ($$typeofType) {
case REACT_CONTEXT_TYPE:
case REACT_FORWARD_REF_TYPE:
case REACT_LAZY_TYPE:
case REACT_MEMO_TYPE:
case REACT_PROVIDER_TYPE:
return $$typeofType;
default:
return $$typeof;
}
}
case REACT_PORTAL_TYPE:
return $$typeof;
}
}
return undefined;
}
var ContextConsumer = REACT_CONTEXT_TYPE;
var ContextProvider = REACT_PROVIDER_TYPE;
var Element = REACT_ELEMENT_TYPE;
var ForwardRef = REACT_FORWARD_REF_TYPE;
var Fragment = REACT_FRAGMENT_TYPE;
var Lazy = REACT_LAZY_TYPE;
var Memo = REACT_MEMO_TYPE;
var Portal = REACT_PORTAL_TYPE;
var Profiler = REACT_PROFILER_TYPE;
var StrictMode = REACT_STRICT_MODE_TYPE;
var Suspense = REACT_SUSPENSE_TYPE;
var hasWarnedAboutDeprecatedIsAsyncMode = false;
var hasWarnedAboutDeprecatedIsConcurrentMode = false; // AsyncMode should be deprecated
function isAsyncMode(object) {
{
if (!hasWarnedAboutDeprecatedIsAsyncMode) {
hasWarnedAboutDeprecatedIsAsyncMode = true; // Using console['warn'] to evade Babel and ESLint
console['warn']('The ReactIs.isAsyncMode() alias has been deprecated, ' + 'and will be removed in React 18+.');
}
}
return false;
}
function isConcurrentMode(object) {
{
if (!hasWarnedAboutDeprecatedIsConcurrentMode) {
hasWarnedAboutDeprecatedIsConcurrentMode = true; // Using console['warn'] to evade Babel and ESLint
console['warn']('The ReactIs.isConcurrentMode() alias has been deprecated, ' + 'and will be removed in React 18+.');
}
}
return false;
}
function isContextConsumer(object) {
return typeOf(object) === REACT_CONTEXT_TYPE;
}
function isContextProvider(object) {
return typeOf(object) === REACT_PROVIDER_TYPE;
}
function isElement(object) {
return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
}
function isForwardRef(object) {
return typeOf(object) === REACT_FORWARD_REF_TYPE;
}
function isFragment(object) {
return typeOf(object) === REACT_FRAGMENT_TYPE;
}
function isLazy(object) {
return typeOf(object) === REACT_LAZY_TYPE;
}
function isMemo(object) {
return typeOf(object) === REACT_MEMO_TYPE;
}
function isPortal(object) {
return typeOf(object) === REACT_PORTAL_TYPE;
}
function isProfiler(object) {
return typeOf(object) === REACT_PROFILER_TYPE;
}
function isStrictMode(object) {
return typeOf(object) === REACT_STRICT_MODE_TYPE;
}
function isSuspense(object) {
return typeOf(object) === REACT_SUSPENSE_TYPE;
}
exports.ContextConsumer = ContextConsumer;
exports.ContextProvider = ContextProvider;
exports.Element = Element;
exports.ForwardRef = ForwardRef;
exports.Fragment = Fragment;
exports.Lazy = Lazy;
exports.Memo = Memo;
exports.Portal = Portal;
exports.Profiler = Profiler;
exports.StrictMode = StrictMode;
exports.Suspense = Suspense;
exports.isAsyncMode = isAsyncMode;
exports.isConcurrentMode = isConcurrentMode;
exports.isContextConsumer = isContextConsumer;
exports.isContextProvider = isContextProvider;
exports.isElement = isElement;
exports.isForwardRef = isForwardRef;
exports.isFragment = isFragment;
exports.isLazy = isLazy;
exports.isMemo = isMemo;
exports.isPortal = isPortal;
exports.isProfiler = isProfiler;
exports.isStrictMode = isStrictMode;
exports.isSuspense = isSuspense;
exports.isValidElementType = isValidElementType;
exports.typeOf = typeOf;
})();
}

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@@ -0,0 +1,14 @@
/** @license React v17.0.2
* react-is.production.min.js
*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';var b=60103,c=60106,d=60107,e=60108,f=60114,g=60109,h=60110,k=60112,l=60113,m=60120,n=60115,p=60116,q=60121,r=60122,u=60117,v=60129,w=60131;
if("function"===typeof Symbol&&Symbol.for){var x=Symbol.for;b=x("react.element");c=x("react.portal");d=x("react.fragment");e=x("react.strict_mode");f=x("react.profiler");g=x("react.provider");h=x("react.context");k=x("react.forward_ref");l=x("react.suspense");m=x("react.suspense_list");n=x("react.memo");p=x("react.lazy");q=x("react.block");r=x("react.server.block");u=x("react.fundamental");v=x("react.debug_trace_mode");w=x("react.legacy_hidden")}
function y(a){if("object"===typeof a&&null!==a){var t=a.$$typeof;switch(t){case b:switch(a=a.type,a){case d:case f:case e:case l:case m:return a;default:switch(a=a&&a.$$typeof,a){case h:case k:case p:case n:case g:return a;default:return t}}case c:return t}}}var z=g,A=b,B=k,C=d,D=p,E=n,F=c,G=f,H=e,I=l;exports.ContextConsumer=h;exports.ContextProvider=z;exports.Element=A;exports.ForwardRef=B;exports.Fragment=C;exports.Lazy=D;exports.Memo=E;exports.Portal=F;exports.Profiler=G;exports.StrictMode=H;
exports.Suspense=I;exports.isAsyncMode=function(){return!1};exports.isConcurrentMode=function(){return!1};exports.isContextConsumer=function(a){return y(a)===h};exports.isContextProvider=function(a){return y(a)===g};exports.isElement=function(a){return"object"===typeof a&&null!==a&&a.$$typeof===b};exports.isForwardRef=function(a){return y(a)===k};exports.isFragment=function(a){return y(a)===d};exports.isLazy=function(a){return y(a)===p};exports.isMemo=function(a){return y(a)===n};
exports.isPortal=function(a){return y(a)===c};exports.isProfiler=function(a){return y(a)===f};exports.isStrictMode=function(a){return y(a)===e};exports.isSuspense=function(a){return y(a)===l};exports.isValidElementType=function(a){return"string"===typeof a||"function"===typeof a||a===d||a===f||a===v||a===e||a===l||a===m||a===w||"object"===typeof a&&null!==a&&(a.$$typeof===p||a.$$typeof===n||a.$$typeof===g||a.$$typeof===h||a.$$typeof===k||a.$$typeof===u||a.$$typeof===q||a[0]===r)?!0:!1};
exports.typeOf=y;

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@@ -0,0 +1,7 @@
'use strict';
if (process.env.NODE_ENV === 'production') {
module.exports = require('./cjs/react-is.production.min.js');
} else {
module.exports = require('./cjs/react-is.development.js');
}

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{
"name": "react-is",
"version": "17.0.2",
"description": "Brand checking of React Elements.",
"main": "index.js",
"repository": {
"type": "git",
"url": "https://github.com/facebook/react.git",
"directory": "packages/react-is"
},
"keywords": [
"react"
],
"license": "MIT",
"bugs": {
"url": "https://github.com/facebook/react/issues"
},
"homepage": "https://reactjs.org/",
"files": [
"LICENSE",
"README.md",
"build-info.json",
"index.js",
"cjs/",
"umd/"
]
}

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@@ -0,0 +1,225 @@
/** @license React v17.0.2
* react-is.development.js
*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = global || self, factory(global.ReactIs = {}));
}(this, (function (exports) { 'use strict';
// ATTENTION
// When adding new symbols to this file,
// Please consider also adding to 'react-devtools-shared/src/backend/ReactSymbols'
// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
// nor polyfill, then a plain number is used for performance.
var REACT_ELEMENT_TYPE = 0xeac7;
var REACT_PORTAL_TYPE = 0xeaca;
var REACT_FRAGMENT_TYPE = 0xeacb;
var REACT_STRICT_MODE_TYPE = 0xeacc;
var REACT_PROFILER_TYPE = 0xead2;
var REACT_PROVIDER_TYPE = 0xeacd;
var REACT_CONTEXT_TYPE = 0xeace;
var REACT_FORWARD_REF_TYPE = 0xead0;
var REACT_SUSPENSE_TYPE = 0xead1;
var REACT_SUSPENSE_LIST_TYPE = 0xead8;
var REACT_MEMO_TYPE = 0xead3;
var REACT_LAZY_TYPE = 0xead4;
var REACT_BLOCK_TYPE = 0xead9;
var REACT_SERVER_BLOCK_TYPE = 0xeada;
var REACT_FUNDAMENTAL_TYPE = 0xead5;
var REACT_SCOPE_TYPE = 0xead7;
var REACT_OPAQUE_ID_TYPE = 0xeae0;
var REACT_DEBUG_TRACING_MODE_TYPE = 0xeae1;
var REACT_OFFSCREEN_TYPE = 0xeae2;
var REACT_LEGACY_HIDDEN_TYPE = 0xeae3;
if (typeof Symbol === 'function' && Symbol.for) {
var symbolFor = Symbol.for;
REACT_ELEMENT_TYPE = symbolFor('react.element');
REACT_PORTAL_TYPE = symbolFor('react.portal');
REACT_FRAGMENT_TYPE = symbolFor('react.fragment');
REACT_STRICT_MODE_TYPE = symbolFor('react.strict_mode');
REACT_PROFILER_TYPE = symbolFor('react.profiler');
REACT_PROVIDER_TYPE = symbolFor('react.provider');
REACT_CONTEXT_TYPE = symbolFor('react.context');
REACT_FORWARD_REF_TYPE = symbolFor('react.forward_ref');
REACT_SUSPENSE_TYPE = symbolFor('react.suspense');
REACT_SUSPENSE_LIST_TYPE = symbolFor('react.suspense_list');
REACT_MEMO_TYPE = symbolFor('react.memo');
REACT_LAZY_TYPE = symbolFor('react.lazy');
REACT_BLOCK_TYPE = symbolFor('react.block');
REACT_SERVER_BLOCK_TYPE = symbolFor('react.server.block');
REACT_FUNDAMENTAL_TYPE = symbolFor('react.fundamental');
REACT_SCOPE_TYPE = symbolFor('react.scope');
REACT_OPAQUE_ID_TYPE = symbolFor('react.opaque.id');
REACT_DEBUG_TRACING_MODE_TYPE = symbolFor('react.debug_trace_mode');
REACT_OFFSCREEN_TYPE = symbolFor('react.offscreen');
REACT_LEGACY_HIDDEN_TYPE = symbolFor('react.legacy_hidden');
}
// Filter certain DOM attributes (e.g. src, href) if their values are empty strings.
var enableScopeAPI = false; // Experimental Create Event Handle API.
function isValidElementType(type) {
if (typeof type === 'string' || typeof type === 'function') {
return true;
} // Note: typeof might be other than 'symbol' or 'number' (e.g. if it's a polyfill).
if (type === REACT_FRAGMENT_TYPE || type === REACT_PROFILER_TYPE || type === REACT_DEBUG_TRACING_MODE_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || type === REACT_LEGACY_HIDDEN_TYPE || enableScopeAPI ) {
return true;
}
if (typeof type === 'object' && type !== null) {
if (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || type.$$typeof === REACT_FUNDAMENTAL_TYPE || type.$$typeof === REACT_BLOCK_TYPE || type[0] === REACT_SERVER_BLOCK_TYPE) {
return true;
}
}
return false;
}
function typeOf(object) {
if (typeof object === 'object' && object !== null) {
var $$typeof = object.$$typeof;
switch ($$typeof) {
case REACT_ELEMENT_TYPE:
var type = object.type;
switch (type) {
case REACT_FRAGMENT_TYPE:
case REACT_PROFILER_TYPE:
case REACT_STRICT_MODE_TYPE:
case REACT_SUSPENSE_TYPE:
case REACT_SUSPENSE_LIST_TYPE:
return type;
default:
var $$typeofType = type && type.$$typeof;
switch ($$typeofType) {
case REACT_CONTEXT_TYPE:
case REACT_FORWARD_REF_TYPE:
case REACT_LAZY_TYPE:
case REACT_MEMO_TYPE:
case REACT_PROVIDER_TYPE:
return $$typeofType;
default:
return $$typeof;
}
}
case REACT_PORTAL_TYPE:
return $$typeof;
}
}
return undefined;
}
var ContextConsumer = REACT_CONTEXT_TYPE;
var ContextProvider = REACT_PROVIDER_TYPE;
var Element = REACT_ELEMENT_TYPE;
var ForwardRef = REACT_FORWARD_REF_TYPE;
var Fragment = REACT_FRAGMENT_TYPE;
var Lazy = REACT_LAZY_TYPE;
var Memo = REACT_MEMO_TYPE;
var Portal = REACT_PORTAL_TYPE;
var Profiler = REACT_PROFILER_TYPE;
var StrictMode = REACT_STRICT_MODE_TYPE;
var Suspense = REACT_SUSPENSE_TYPE;
var hasWarnedAboutDeprecatedIsAsyncMode = false;
var hasWarnedAboutDeprecatedIsConcurrentMode = false; // AsyncMode should be deprecated
function isAsyncMode(object) {
{
if (!hasWarnedAboutDeprecatedIsAsyncMode) {
hasWarnedAboutDeprecatedIsAsyncMode = true; // Using console['warn'] to evade Babel and ESLint
console['warn']('The ReactIs.isAsyncMode() alias has been deprecated, ' + 'and will be removed in React 18+.');
}
}
return false;
}
function isConcurrentMode(object) {
{
if (!hasWarnedAboutDeprecatedIsConcurrentMode) {
hasWarnedAboutDeprecatedIsConcurrentMode = true; // Using console['warn'] to evade Babel and ESLint
console['warn']('The ReactIs.isConcurrentMode() alias has been deprecated, ' + 'and will be removed in React 18+.');
}
}
return false;
}
function isContextConsumer(object) {
return typeOf(object) === REACT_CONTEXT_TYPE;
}
function isContextProvider(object) {
return typeOf(object) === REACT_PROVIDER_TYPE;
}
function isElement(object) {
return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
}
function isForwardRef(object) {
return typeOf(object) === REACT_FORWARD_REF_TYPE;
}
function isFragment(object) {
return typeOf(object) === REACT_FRAGMENT_TYPE;
}
function isLazy(object) {
return typeOf(object) === REACT_LAZY_TYPE;
}
function isMemo(object) {
return typeOf(object) === REACT_MEMO_TYPE;
}
function isPortal(object) {
return typeOf(object) === REACT_PORTAL_TYPE;
}
function isProfiler(object) {
return typeOf(object) === REACT_PROFILER_TYPE;
}
function isStrictMode(object) {
return typeOf(object) === REACT_STRICT_MODE_TYPE;
}
function isSuspense(object) {
return typeOf(object) === REACT_SUSPENSE_TYPE;
}
exports.ContextConsumer = ContextConsumer;
exports.ContextProvider = ContextProvider;
exports.Element = Element;
exports.ForwardRef = ForwardRef;
exports.Fragment = Fragment;
exports.Lazy = Lazy;
exports.Memo = Memo;
exports.Portal = Portal;
exports.Profiler = Profiler;
exports.StrictMode = StrictMode;
exports.Suspense = Suspense;
exports.isAsyncMode = isAsyncMode;
exports.isConcurrentMode = isConcurrentMode;
exports.isContextConsumer = isContextConsumer;
exports.isContextProvider = isContextProvider;
exports.isElement = isElement;
exports.isForwardRef = isForwardRef;
exports.isFragment = isFragment;
exports.isLazy = isLazy;
exports.isMemo = isMemo;
exports.isPortal = isPortal;
exports.isProfiler = isProfiler;
exports.isStrictMode = isStrictMode;
exports.isSuspense = isSuspense;
exports.isValidElementType = isValidElementType;
exports.typeOf = typeOf;
})));

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@@ -0,0 +1,14 @@
/** @license React v17.0.2
* react-is.production.min.js
*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
(function(){'use strict';(function(b,d){"object"===typeof exports&&"undefined"!==typeof module?d(exports):"function"===typeof define&&define.amd?define(["exports"],d):(b=b||self,d(b.ReactIs={}))})(this,function(b){function d(a){if("object"===typeof a&&null!==a){var b=a.$$typeof;switch(b){case q:switch(a=a.type,a){case e:case f:case g:case h:case t:return a;default:switch(a=a&&a.$$typeof,a){case k:case l:case m:case n:case p:return a;default:return b}}case r:return b}}}var q=60103,r=60106,e=60107,g=60108,f=60114,
p=60109,k=60110,l=60112,h=60113,t=60120,n=60115,m=60116,u=60121,v=60122,w=60117,x=60129,y=60131;if("function"===typeof Symbol&&Symbol.for){var c=Symbol.for;q=c("react.element");r=c("react.portal");e=c("react.fragment");g=c("react.strict_mode");f=c("react.profiler");p=c("react.provider");k=c("react.context");l=c("react.forward_ref");h=c("react.suspense");t=c("react.suspense_list");n=c("react.memo");m=c("react.lazy");u=c("react.block");v=c("react.server.block");w=c("react.fundamental");x=c("react.debug_trace_mode");
y=c("react.legacy_hidden")}b.ContextConsumer=k;b.ContextProvider=p;b.Element=q;b.ForwardRef=l;b.Fragment=e;b.Lazy=m;b.Memo=n;b.Portal=r;b.Profiler=f;b.StrictMode=g;b.Suspense=h;b.isAsyncMode=function(a){return!1};b.isConcurrentMode=function(a){return!1};b.isContextConsumer=function(a){return d(a)===k};b.isContextProvider=function(a){return d(a)===p};b.isElement=function(a){return"object"===typeof a&&null!==a&&a.$$typeof===q};b.isForwardRef=function(a){return d(a)===l};b.isFragment=function(a){return d(a)===
e};b.isLazy=function(a){return d(a)===m};b.isMemo=function(a){return d(a)===n};b.isPortal=function(a){return d(a)===r};b.isProfiler=function(a){return d(a)===f};b.isStrictMode=function(a){return d(a)===g};b.isSuspense=function(a){return d(a)===h};b.isValidElementType=function(a){return"string"===typeof a||"function"===typeof a||a===e||a===f||a===x||a===g||a===h||a===t||a===y||"object"===typeof a&&null!==a&&(a.$$typeof===m||a.$$typeof===n||a.$$typeof===p||a.$$typeof===k||a.$$typeof===l||a.$$typeof===
w||a.$$typeof===u||a[0]===v)?!0:!1};b.typeOf=d});
})();

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@@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2011 Einar Otto Stangvik <einaros@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# ws: a Node.js WebSocket library
[![Version npm](https://img.shields.io/npm/v/ws.svg?logo=npm)](https://www.npmjs.com/package/ws)
[![CI](https://img.shields.io/github/workflow/status/websockets/ws/CI/master?label=CI&logo=github)](https://github.com/websockets/ws/actions?query=workflow%3ACI+branch%3Amaster)
[![Coverage Status](https://img.shields.io/coveralls/websockets/ws/master.svg?logo=coveralls)](https://coveralls.io/github/websockets/ws)
ws is a simple to use, blazing fast, and thoroughly tested WebSocket client and
server implementation.
Passes the quite extensive Autobahn test suite: [server][server-report],
[client][client-report].
**Note**: This module does not work in the browser. The client in the docs is a
reference to a back end with the role of a client in the WebSocket
communication. Browser clients must use the native
[`WebSocket`](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket)
object. To make the same code work seamlessly on Node.js and the browser, you
can use one of the many wrappers available on npm, like
[isomorphic-ws](https://github.com/heineiuo/isomorphic-ws).
## Table of Contents
- [Protocol support](#protocol-support)
- [Installing](#installing)
- [Opt-in for performance](#opt-in-for-performance)
- [API docs](#api-docs)
- [WebSocket compression](#websocket-compression)
- [Usage examples](#usage-examples)
- [Sending and receiving text data](#sending-and-receiving-text-data)
- [Sending binary data](#sending-binary-data)
- [Simple server](#simple-server)
- [External HTTP/S server](#external-https-server)
- [Multiple servers sharing a single HTTP/S server](#multiple-servers-sharing-a-single-https-server)
- [Client authentication](#client-authentication)
- [Server broadcast](#server-broadcast)
- [echo.websocket.org demo](#echowebsocketorg-demo)
- [Use the Node.js streams API](#use-the-nodejs-streams-api)
- [Other examples](#other-examples)
- [FAQ](#faq)
- [How to get the IP address of the client?](#how-to-get-the-ip-address-of-the-client)
- [How to detect and close broken connections?](#how-to-detect-and-close-broken-connections)
- [How to connect via a proxy?](#how-to-connect-via-a-proxy)
- [Changelog](#changelog)
- [License](#license)
## Protocol support
- **HyBi drafts 07-12** (Use the option `protocolVersion: 8`)
- **HyBi drafts 13-17** (Current default, alternatively option
`protocolVersion: 13`)
## Installing
```
npm install ws
```
### Opt-in for performance
There are 2 optional modules that can be installed along side with the ws
module. These modules are binary addons which improve certain operations.
Prebuilt binaries are available for the most popular platforms so you don't
necessarily need to have a C++ compiler installed on your machine.
- `npm install --save-optional bufferutil`: Allows to efficiently perform
operations such as masking and unmasking the data payload of the WebSocket
frames.
- `npm install --save-optional utf-8-validate`: Allows to efficiently check if a
message contains valid UTF-8.
## API docs
See [`/doc/ws.md`](./doc/ws.md) for Node.js-like documentation of ws classes and
utility functions.
## WebSocket compression
ws supports the [permessage-deflate extension][permessage-deflate] which enables
the client and server to negotiate a compression algorithm and its parameters,
and then selectively apply it to the data payloads of each WebSocket message.
The extension is disabled by default on the server and enabled by default on the
client. It adds a significant overhead in terms of performance and memory
consumption so we suggest to enable it only if it is really needed.
Note that Node.js has a variety of issues with high-performance compression,
where increased concurrency, especially on Linux, can lead to [catastrophic
memory fragmentation][node-zlib-bug] and slow performance. If you intend to use
permessage-deflate in production, it is worthwhile to set up a test
representative of your workload and ensure Node.js/zlib will handle it with
acceptable performance and memory usage.
Tuning of permessage-deflate can be done via the options defined below. You can
also use `zlibDeflateOptions` and `zlibInflateOptions`, which is passed directly
into the creation of [raw deflate/inflate streams][node-zlib-deflaterawdocs].
See [the docs][ws-server-options] for more options.
```js
const WebSocket = require('ws');
const wss = new WebSocket.Server({
port: 8080,
perMessageDeflate: {
zlibDeflateOptions: {
// See zlib defaults.
chunkSize: 1024,
memLevel: 7,
level: 3
},
zlibInflateOptions: {
chunkSize: 10 * 1024
},
// Other options settable:
clientNoContextTakeover: true, // Defaults to negotiated value.
serverNoContextTakeover: true, // Defaults to negotiated value.
serverMaxWindowBits: 10, // Defaults to negotiated value.
// Below options specified as default values.
concurrencyLimit: 10, // Limits zlib concurrency for perf.
threshold: 1024 // Size (in bytes) below which messages
// should not be compressed.
}
});
```
The client will only use the extension if it is supported and enabled on the
server. To always disable the extension on the client set the
`perMessageDeflate` option to `false`.
```js
const WebSocket = require('ws');
const ws = new WebSocket('ws://www.host.com/path', {
perMessageDeflate: false
});
```
## Usage examples
### Sending and receiving text data
```js
const WebSocket = require('ws');
const ws = new WebSocket('ws://www.host.com/path');
ws.on('open', function open() {
ws.send('something');
});
ws.on('message', function incoming(data) {
console.log(data);
});
```
### Sending binary data
```js
const WebSocket = require('ws');
const ws = new WebSocket('ws://www.host.com/path');
ws.on('open', function open() {
const array = new Float32Array(5);
for (var i = 0; i < array.length; ++i) {
array[i] = i / 2;
}
ws.send(array);
});
```
### Simple server
```js
const WebSocket = require('ws');
const wss = new WebSocket.Server({ port: 8080 });
wss.on('connection', function connection(ws) {
ws.on('message', function incoming(message) {
console.log('received: %s', message);
});
ws.send('something');
});
```
### External HTTP/S server
```js
const fs = require('fs');
const https = require('https');
const WebSocket = require('ws');
const server = https.createServer({
cert: fs.readFileSync('/path/to/cert.pem'),
key: fs.readFileSync('/path/to/key.pem')
});
const wss = new WebSocket.Server({ server });
wss.on('connection', function connection(ws) {
ws.on('message', function incoming(message) {
console.log('received: %s', message);
});
ws.send('something');
});
server.listen(8080);
```
### Multiple servers sharing a single HTTP/S server
```js
const http = require('http');
const WebSocket = require('ws');
const url = require('url');
const server = http.createServer();
const wss1 = new WebSocket.Server({ noServer: true });
const wss2 = new WebSocket.Server({ noServer: true });
wss1.on('connection', function connection(ws) {
// ...
});
wss2.on('connection', function connection(ws) {
// ...
});
server.on('upgrade', function upgrade(request, socket, head) {
const pathname = url.parse(request.url).pathname;
if (pathname === '/foo') {
wss1.handleUpgrade(request, socket, head, function done(ws) {
wss1.emit('connection', ws, request);
});
} else if (pathname === '/bar') {
wss2.handleUpgrade(request, socket, head, function done(ws) {
wss2.emit('connection', ws, request);
});
} else {
socket.destroy();
}
});
server.listen(8080);
```
### Client authentication
```js
const http = require('http');
const WebSocket = require('ws');
const server = http.createServer();
const wss = new WebSocket.Server({ noServer: true });
wss.on('connection', function connection(ws, request, client) {
ws.on('message', function message(msg) {
console.log(`Received message ${msg} from user ${client}`);
});
});
server.on('upgrade', function upgrade(request, socket, head) {
// This function is not defined on purpose. Implement it with your own logic.
authenticate(request, (err, client) => {
if (err || !client) {
socket.write('HTTP/1.1 401 Unauthorized\r\n\r\n');
socket.destroy();
return;
}
wss.handleUpgrade(request, socket, head, function done(ws) {
wss.emit('connection', ws, request, client);
});
});
});
server.listen(8080);
```
Also see the provided [example][session-parse-example] using `express-session`.
### Server broadcast
A client WebSocket broadcasting to all connected WebSocket clients, including
itself.
```js
const WebSocket = require('ws');
const wss = new WebSocket.Server({ port: 8080 });
wss.on('connection', function connection(ws) {
ws.on('message', function incoming(data) {
wss.clients.forEach(function each(client) {
if (client.readyState === WebSocket.OPEN) {
client.send(data);
}
});
});
});
```
A client WebSocket broadcasting to every other connected WebSocket clients,
excluding itself.
```js
const WebSocket = require('ws');
const wss = new WebSocket.Server({ port: 8080 });
wss.on('connection', function connection(ws) {
ws.on('message', function incoming(data) {
wss.clients.forEach(function each(client) {
if (client !== ws && client.readyState === WebSocket.OPEN) {
client.send(data);
}
});
});
});
```
### echo.websocket.org demo
```js
const WebSocket = require('ws');
const ws = new WebSocket('wss://echo.websocket.org/', {
origin: 'https://websocket.org'
});
ws.on('open', function open() {
console.log('connected');
ws.send(Date.now());
});
ws.on('close', function close() {
console.log('disconnected');
});
ws.on('message', function incoming(data) {
console.log(`Roundtrip time: ${Date.now() - data} ms`);
setTimeout(function timeout() {
ws.send(Date.now());
}, 500);
});
```
### Use the Node.js streams API
```js
const WebSocket = require('ws');
const ws = new WebSocket('wss://echo.websocket.org/', {
origin: 'https://websocket.org'
});
const duplex = WebSocket.createWebSocketStream(ws, { encoding: 'utf8' });
duplex.pipe(process.stdout);
process.stdin.pipe(duplex);
```
### Other examples
For a full example with a browser client communicating with a ws server, see the
examples folder.
Otherwise, see the test cases.
## FAQ
### How to get the IP address of the client?
The remote IP address can be obtained from the raw socket.
```js
const WebSocket = require('ws');
const wss = new WebSocket.Server({ port: 8080 });
wss.on('connection', function connection(ws, req) {
const ip = req.socket.remoteAddress;
});
```
When the server runs behind a proxy like NGINX, the de-facto standard is to use
the `X-Forwarded-For` header.
```js
wss.on('connection', function connection(ws, req) {
const ip = req.headers['x-forwarded-for'].split(',')[0].trim();
});
```
### How to detect and close broken connections?
Sometimes the link between the server and the client can be interrupted in a way
that keeps both the server and the client unaware of the broken state of the
connection (e.g. when pulling the cord).
In these cases ping messages can be used as a means to verify that the remote
endpoint is still responsive.
```js
const WebSocket = require('ws');
function noop() {}
function heartbeat() {
this.isAlive = true;
}
const wss = new WebSocket.Server({ port: 8080 });
wss.on('connection', function connection(ws) {
ws.isAlive = true;
ws.on('pong', heartbeat);
});
const interval = setInterval(function ping() {
wss.clients.forEach(function each(ws) {
if (ws.isAlive === false) return ws.terminate();
ws.isAlive = false;
ws.ping(noop);
});
}, 30000);
wss.on('close', function close() {
clearInterval(interval);
});
```
Pong messages are automatically sent in response to ping messages as required by
the spec.
Just like the server example above your clients might as well lose connection
without knowing it. You might want to add a ping listener on your clients to
prevent that. A simple implementation would be:
```js
const WebSocket = require('ws');
function heartbeat() {
clearTimeout(this.pingTimeout);
// Use `WebSocket#terminate()`, which immediately destroys the connection,
// instead of `WebSocket#close()`, which waits for the close timer.
// Delay should be equal to the interval at which your server
// sends out pings plus a conservative assumption of the latency.
this.pingTimeout = setTimeout(() => {
this.terminate();
}, 30000 + 1000);
}
const client = new WebSocket('wss://echo.websocket.org/');
client.on('open', heartbeat);
client.on('ping', heartbeat);
client.on('close', function clear() {
clearTimeout(this.pingTimeout);
});
```
### How to connect via a proxy?
Use a custom `http.Agent` implementation like [https-proxy-agent][] or
[socks-proxy-agent][].
## Changelog
We're using the GitHub [releases][changelog] for changelog entries.
## License
[MIT](LICENSE)
[changelog]: https://github.com/websockets/ws/releases
[client-report]: http://websockets.github.io/ws/autobahn/clients/
[https-proxy-agent]: https://github.com/TooTallNate/node-https-proxy-agent
[node-zlib-bug]: https://github.com/nodejs/node/issues/8871
[node-zlib-deflaterawdocs]:
https://nodejs.org/api/zlib.html#zlib_zlib_createdeflateraw_options
[permessage-deflate]: https://tools.ietf.org/html/rfc7692
[server-report]: http://websockets.github.io/ws/autobahn/servers/
[session-parse-example]: ./examples/express-session-parse
[socks-proxy-agent]: https://github.com/TooTallNate/node-socks-proxy-agent
[ws-server-options]:
https://github.com/websockets/ws/blob/master/doc/ws.md#new-websocketserveroptions-callback

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@@ -0,0 +1,8 @@
'use strict';
module.exports = function () {
throw new Error(
'ws does not work in the browser. Browser clients must use the native ' +
'WebSocket object'
);
};

View File

@@ -0,0 +1,10 @@
'use strict';
const WebSocket = require('./lib/websocket');
WebSocket.createWebSocketStream = require('./lib/stream');
WebSocket.Server = require('./lib/websocket-server');
WebSocket.Receiver = require('./lib/receiver');
WebSocket.Sender = require('./lib/sender');
module.exports = WebSocket;

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@@ -0,0 +1,129 @@
'use strict';
const { EMPTY_BUFFER } = require('./constants');
/**
* Merges an array of buffers into a new buffer.
*
* @param {Buffer[]} list The array of buffers to concat
* @param {Number} totalLength The total length of buffers in the list
* @return {Buffer} The resulting buffer
* @public
*/
function concat(list, totalLength) {
if (list.length === 0) return EMPTY_BUFFER;
if (list.length === 1) return list[0];
const target = Buffer.allocUnsafe(totalLength);
let offset = 0;
for (let i = 0; i < list.length; i++) {
const buf = list[i];
target.set(buf, offset);
offset += buf.length;
}
if (offset < totalLength) return target.slice(0, offset);
return target;
}
/**
* Masks a buffer using the given mask.
*
* @param {Buffer} source The buffer to mask
* @param {Buffer} mask The mask to use
* @param {Buffer} output The buffer where to store the result
* @param {Number} offset The offset at which to start writing
* @param {Number} length The number of bytes to mask.
* @public
*/
function _mask(source, mask, output, offset, length) {
for (let i = 0; i < length; i++) {
output[offset + i] = source[i] ^ mask[i & 3];
}
}
/**
* Unmasks a buffer using the given mask.
*
* @param {Buffer} buffer The buffer to unmask
* @param {Buffer} mask The mask to use
* @public
*/
function _unmask(buffer, mask) {
// Required until https://github.com/nodejs/node/issues/9006 is resolved.
const length = buffer.length;
for (let i = 0; i < length; i++) {
buffer[i] ^= mask[i & 3];
}
}
/**
* Converts a buffer to an `ArrayBuffer`.
*
* @param {Buffer} buf The buffer to convert
* @return {ArrayBuffer} Converted buffer
* @public
*/
function toArrayBuffer(buf) {
if (buf.byteLength === buf.buffer.byteLength) {
return buf.buffer;
}
return buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength);
}
/**
* Converts `data` to a `Buffer`.
*
* @param {*} data The data to convert
* @return {Buffer} The buffer
* @throws {TypeError}
* @public
*/
function toBuffer(data) {
toBuffer.readOnly = true;
if (Buffer.isBuffer(data)) return data;
let buf;
if (data instanceof ArrayBuffer) {
buf = Buffer.from(data);
} else if (ArrayBuffer.isView(data)) {
buf = Buffer.from(data.buffer, data.byteOffset, data.byteLength);
} else {
buf = Buffer.from(data);
toBuffer.readOnly = false;
}
return buf;
}
try {
const bufferUtil = require('bufferutil');
const bu = bufferUtil.BufferUtil || bufferUtil;
module.exports = {
concat,
mask(source, mask, output, offset, length) {
if (length < 48) _mask(source, mask, output, offset, length);
else bu.mask(source, mask, output, offset, length);
},
toArrayBuffer,
toBuffer,
unmask(buffer, mask) {
if (buffer.length < 32) _unmask(buffer, mask);
else bu.unmask(buffer, mask);
}
};
} catch (e) /* istanbul ignore next */ {
module.exports = {
concat,
mask: _mask,
toArrayBuffer,
toBuffer,
unmask: _unmask
};
}

View File

@@ -0,0 +1,10 @@
'use strict';
module.exports = {
BINARY_TYPES: ['nodebuffer', 'arraybuffer', 'fragments'],
GUID: '258EAFA5-E914-47DA-95CA-C5AB0DC85B11',
kStatusCode: Symbol('status-code'),
kWebSocket: Symbol('websocket'),
EMPTY_BUFFER: Buffer.alloc(0),
NOOP: () => {}
};

View File

@@ -0,0 +1,184 @@
'use strict';
/**
* Class representing an event.
*
* @private
*/
class Event {
/**
* Create a new `Event`.
*
* @param {String} type The name of the event
* @param {Object} target A reference to the target to which the event was
* dispatched
*/
constructor(type, target) {
this.target = target;
this.type = type;
}
}
/**
* Class representing a message event.
*
* @extends Event
* @private
*/
class MessageEvent extends Event {
/**
* Create a new `MessageEvent`.
*
* @param {(String|Buffer|ArrayBuffer|Buffer[])} data The received data
* @param {WebSocket} target A reference to the target to which the event was
* dispatched
*/
constructor(data, target) {
super('message', target);
this.data = data;
}
}
/**
* Class representing a close event.
*
* @extends Event
* @private
*/
class CloseEvent extends Event {
/**
* Create a new `CloseEvent`.
*
* @param {Number} code The status code explaining why the connection is being
* closed
* @param {String} reason A human-readable string explaining why the
* connection is closing
* @param {WebSocket} target A reference to the target to which the event was
* dispatched
*/
constructor(code, reason, target) {
super('close', target);
this.wasClean = target._closeFrameReceived && target._closeFrameSent;
this.reason = reason;
this.code = code;
}
}
/**
* Class representing an open event.
*
* @extends Event
* @private
*/
class OpenEvent extends Event {
/**
* Create a new `OpenEvent`.
*
* @param {WebSocket} target A reference to the target to which the event was
* dispatched
*/
constructor(target) {
super('open', target);
}
}
/**
* Class representing an error event.
*
* @extends Event
* @private
*/
class ErrorEvent extends Event {
/**
* Create a new `ErrorEvent`.
*
* @param {Object} error The error that generated this event
* @param {WebSocket} target A reference to the target to which the event was
* dispatched
*/
constructor(error, target) {
super('error', target);
this.message = error.message;
this.error = error;
}
}
/**
* This provides methods for emulating the `EventTarget` interface. It's not
* meant to be used directly.
*
* @mixin
*/
const EventTarget = {
/**
* Register an event listener.
*
* @param {String} type A string representing the event type to listen for
* @param {Function} listener The listener to add
* @param {Object} [options] An options object specifies characteristics about
* the event listener
* @param {Boolean} [options.once=false] A `Boolean`` indicating that the
* listener should be invoked at most once after being added. If `true`,
* the listener would be automatically removed when invoked.
* @public
*/
addEventListener(type, listener, options) {
if (typeof listener !== 'function') return;
function onMessage(data) {
listener.call(this, new MessageEvent(data, this));
}
function onClose(code, message) {
listener.call(this, new CloseEvent(code, message, this));
}
function onError(error) {
listener.call(this, new ErrorEvent(error, this));
}
function onOpen() {
listener.call(this, new OpenEvent(this));
}
const method = options && options.once ? 'once' : 'on';
if (type === 'message') {
onMessage._listener = listener;
this[method](type, onMessage);
} else if (type === 'close') {
onClose._listener = listener;
this[method](type, onClose);
} else if (type === 'error') {
onError._listener = listener;
this[method](type, onError);
} else if (type === 'open') {
onOpen._listener = listener;
this[method](type, onOpen);
} else {
this[method](type, listener);
}
},
/**
* Remove an event listener.
*
* @param {String} type A string representing the event type to remove
* @param {Function} listener The listener to remove
* @public
*/
removeEventListener(type, listener) {
const listeners = this.listeners(type);
for (let i = 0; i < listeners.length; i++) {
if (listeners[i] === listener || listeners[i]._listener === listener) {
this.removeListener(type, listeners[i]);
}
}
}
};
module.exports = EventTarget;

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@@ -0,0 +1,223 @@
'use strict';
//
// Allowed token characters:
//
// '!', '#', '$', '%', '&', ''', '*', '+', '-',
// '.', 0-9, A-Z, '^', '_', '`', a-z, '|', '~'
//
// tokenChars[32] === 0 // ' '
// tokenChars[33] === 1 // '!'
// tokenChars[34] === 0 // '"'
// ...
//
// prettier-ignore
const tokenChars = [
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 15
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - 31
0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, // 32 - 47
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 48 - 63
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 64 - 79
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, // 80 - 95
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 96 - 111
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0 // 112 - 127
];
/**
* Adds an offer to the map of extension offers or a parameter to the map of
* parameters.
*
* @param {Object} dest The map of extension offers or parameters
* @param {String} name The extension or parameter name
* @param {(Object|Boolean|String)} elem The extension parameters or the
* parameter value
* @private
*/
function push(dest, name, elem) {
if (dest[name] === undefined) dest[name] = [elem];
else dest[name].push(elem);
}
/**
* Parses the `Sec-WebSocket-Extensions` header into an object.
*
* @param {String} header The field value of the header
* @return {Object} The parsed object
* @public
*/
function parse(header) {
const offers = Object.create(null);
if (header === undefined || header === '') return offers;
let params = Object.create(null);
let mustUnescape = false;
let isEscaping = false;
let inQuotes = false;
let extensionName;
let paramName;
let start = -1;
let end = -1;
let i = 0;
for (; i < header.length; i++) {
const code = header.charCodeAt(i);
if (extensionName === undefined) {
if (end === -1 && tokenChars[code] === 1) {
if (start === -1) start = i;
} else if (code === 0x20 /* ' ' */ || code === 0x09 /* '\t' */) {
if (end === -1 && start !== -1) end = i;
} else if (code === 0x3b /* ';' */ || code === 0x2c /* ',' */) {
if (start === -1) {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
if (end === -1) end = i;
const name = header.slice(start, end);
if (code === 0x2c) {
push(offers, name, params);
params = Object.create(null);
} else {
extensionName = name;
}
start = end = -1;
} else {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
} else if (paramName === undefined) {
if (end === -1 && tokenChars[code] === 1) {
if (start === -1) start = i;
} else if (code === 0x20 || code === 0x09) {
if (end === -1 && start !== -1) end = i;
} else if (code === 0x3b || code === 0x2c) {
if (start === -1) {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
if (end === -1) end = i;
push(params, header.slice(start, end), true);
if (code === 0x2c) {
push(offers, extensionName, params);
params = Object.create(null);
extensionName = undefined;
}
start = end = -1;
} else if (code === 0x3d /* '=' */ && start !== -1 && end === -1) {
paramName = header.slice(start, i);
start = end = -1;
} else {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
} else {
//
// The value of a quoted-string after unescaping must conform to the
// token ABNF, so only token characters are valid.
// Ref: https://tools.ietf.org/html/rfc6455#section-9.1
//
if (isEscaping) {
if (tokenChars[code] !== 1) {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
if (start === -1) start = i;
else if (!mustUnescape) mustUnescape = true;
isEscaping = false;
} else if (inQuotes) {
if (tokenChars[code] === 1) {
if (start === -1) start = i;
} else if (code === 0x22 /* '"' */ && start !== -1) {
inQuotes = false;
end = i;
} else if (code === 0x5c /* '\' */) {
isEscaping = true;
} else {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
} else if (code === 0x22 && header.charCodeAt(i - 1) === 0x3d) {
inQuotes = true;
} else if (end === -1 && tokenChars[code] === 1) {
if (start === -1) start = i;
} else if (start !== -1 && (code === 0x20 || code === 0x09)) {
if (end === -1) end = i;
} else if (code === 0x3b || code === 0x2c) {
if (start === -1) {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
if (end === -1) end = i;
let value = header.slice(start, end);
if (mustUnescape) {
value = value.replace(/\\/g, '');
mustUnescape = false;
}
push(params, paramName, value);
if (code === 0x2c) {
push(offers, extensionName, params);
params = Object.create(null);
extensionName = undefined;
}
paramName = undefined;
start = end = -1;
} else {
throw new SyntaxError(`Unexpected character at index ${i}`);
}
}
}
if (start === -1 || inQuotes) {
throw new SyntaxError('Unexpected end of input');
}
if (end === -1) end = i;
const token = header.slice(start, end);
if (extensionName === undefined) {
push(offers, token, params);
} else {
if (paramName === undefined) {
push(params, token, true);
} else if (mustUnescape) {
push(params, paramName, token.replace(/\\/g, ''));
} else {
push(params, paramName, token);
}
push(offers, extensionName, params);
}
return offers;
}
/**
* Builds the `Sec-WebSocket-Extensions` header field value.
*
* @param {Object} extensions The map of extensions and parameters to format
* @return {String} A string representing the given object
* @public
*/
function format(extensions) {
return Object.keys(extensions)
.map((extension) => {
let configurations = extensions[extension];
if (!Array.isArray(configurations)) configurations = [configurations];
return configurations
.map((params) => {
return [extension]
.concat(
Object.keys(params).map((k) => {
let values = params[k];
if (!Array.isArray(values)) values = [values];
return values
.map((v) => (v === true ? k : `${k}=${v}`))
.join('; ');
})
)
.join('; ');
})
.join(', ');
})
.join(', ');
}
module.exports = { format, parse };

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@@ -0,0 +1,55 @@
'use strict';
const kDone = Symbol('kDone');
const kRun = Symbol('kRun');
/**
* A very simple job queue with adjustable concurrency. Adapted from
* https://github.com/STRML/async-limiter
*/
class Limiter {
/**
* Creates a new `Limiter`.
*
* @param {Number} [concurrency=Infinity] The maximum number of jobs allowed
* to run concurrently
*/
constructor(concurrency) {
this[kDone] = () => {
this.pending--;
this[kRun]();
};
this.concurrency = concurrency || Infinity;
this.jobs = [];
this.pending = 0;
}
/**
* Adds a job to the queue.
*
* @param {Function} job The job to run
* @public
*/
add(job) {
this.jobs.push(job);
this[kRun]();
}
/**
* Removes a job from the queue and runs it if possible.
*
* @private
*/
[kRun]() {
if (this.pending === this.concurrency) return;
if (this.jobs.length) {
const job = this.jobs.shift();
this.pending++;
job(this[kDone]);
}
}
}
module.exports = Limiter;

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'use strict';
const zlib = require('zlib');
const bufferUtil = require('./buffer-util');
const Limiter = require('./limiter');
const { kStatusCode, NOOP } = require('./constants');
const TRAILER = Buffer.from([0x00, 0x00, 0xff, 0xff]);
const kPerMessageDeflate = Symbol('permessage-deflate');
const kTotalLength = Symbol('total-length');
const kCallback = Symbol('callback');
const kBuffers = Symbol('buffers');
const kError = Symbol('error');
//
// We limit zlib concurrency, which prevents severe memory fragmentation
// as documented in https://github.com/nodejs/node/issues/8871#issuecomment-250915913
// and https://github.com/websockets/ws/issues/1202
//
// Intentionally global; it's the global thread pool that's an issue.
//
let zlibLimiter;
/**
* permessage-deflate implementation.
*/
class PerMessageDeflate {
/**
* Creates a PerMessageDeflate instance.
*
* @param {Object} [options] Configuration options
* @param {Boolean} [options.serverNoContextTakeover=false] Request/accept
* disabling of server context takeover
* @param {Boolean} [options.clientNoContextTakeover=false] Advertise/
* acknowledge disabling of client context takeover
* @param {(Boolean|Number)} [options.serverMaxWindowBits] Request/confirm the
* use of a custom server window size
* @param {(Boolean|Number)} [options.clientMaxWindowBits] Advertise support
* for, or request, a custom client window size
* @param {Object} [options.zlibDeflateOptions] Options to pass to zlib on
* deflate
* @param {Object} [options.zlibInflateOptions] Options to pass to zlib on
* inflate
* @param {Number} [options.threshold=1024] Size (in bytes) below which
* messages should not be compressed
* @param {Number} [options.concurrencyLimit=10] The number of concurrent
* calls to zlib
* @param {Boolean} [isServer=false] Create the instance in either server or
* client mode
* @param {Number} [maxPayload=0] The maximum allowed message length
*/
constructor(options, isServer, maxPayload) {
this._maxPayload = maxPayload | 0;
this._options = options || {};
this._threshold =
this._options.threshold !== undefined ? this._options.threshold : 1024;
this._isServer = !!isServer;
this._deflate = null;
this._inflate = null;
this.params = null;
if (!zlibLimiter) {
const concurrency =
this._options.concurrencyLimit !== undefined
? this._options.concurrencyLimit
: 10;
zlibLimiter = new Limiter(concurrency);
}
}
/**
* @type {String}
*/
static get extensionName() {
return 'permessage-deflate';
}
/**
* Create an extension negotiation offer.
*
* @return {Object} Extension parameters
* @public
*/
offer() {
const params = {};
if (this._options.serverNoContextTakeover) {
params.server_no_context_takeover = true;
}
if (this._options.clientNoContextTakeover) {
params.client_no_context_takeover = true;
}
if (this._options.serverMaxWindowBits) {
params.server_max_window_bits = this._options.serverMaxWindowBits;
}
if (this._options.clientMaxWindowBits) {
params.client_max_window_bits = this._options.clientMaxWindowBits;
} else if (this._options.clientMaxWindowBits == null) {
params.client_max_window_bits = true;
}
return params;
}
/**
* Accept an extension negotiation offer/response.
*
* @param {Array} configurations The extension negotiation offers/reponse
* @return {Object} Accepted configuration
* @public
*/
accept(configurations) {
configurations = this.normalizeParams(configurations);
this.params = this._isServer
? this.acceptAsServer(configurations)
: this.acceptAsClient(configurations);
return this.params;
}
/**
* Releases all resources used by the extension.
*
* @public
*/
cleanup() {
if (this._inflate) {
this._inflate.close();
this._inflate = null;
}
if (this._deflate) {
const callback = this._deflate[kCallback];
this._deflate.close();
this._deflate = null;
if (callback) {
callback(
new Error(
'The deflate stream was closed while data was being processed'
)
);
}
}
}
/**
* Accept an extension negotiation offer.
*
* @param {Array} offers The extension negotiation offers
* @return {Object} Accepted configuration
* @private
*/
acceptAsServer(offers) {
const opts = this._options;
const accepted = offers.find((params) => {
if (
(opts.serverNoContextTakeover === false &&
params.server_no_context_takeover) ||
(params.server_max_window_bits &&
(opts.serverMaxWindowBits === false ||
(typeof opts.serverMaxWindowBits === 'number' &&
opts.serverMaxWindowBits > params.server_max_window_bits))) ||
(typeof opts.clientMaxWindowBits === 'number' &&
!params.client_max_window_bits)
) {
return false;
}
return true;
});
if (!accepted) {
throw new Error('None of the extension offers can be accepted');
}
if (opts.serverNoContextTakeover) {
accepted.server_no_context_takeover = true;
}
if (opts.clientNoContextTakeover) {
accepted.client_no_context_takeover = true;
}
if (typeof opts.serverMaxWindowBits === 'number') {
accepted.server_max_window_bits = opts.serverMaxWindowBits;
}
if (typeof opts.clientMaxWindowBits === 'number') {
accepted.client_max_window_bits = opts.clientMaxWindowBits;
} else if (
accepted.client_max_window_bits === true ||
opts.clientMaxWindowBits === false
) {
delete accepted.client_max_window_bits;
}
return accepted;
}
/**
* Accept the extension negotiation response.
*
* @param {Array} response The extension negotiation response
* @return {Object} Accepted configuration
* @private
*/
acceptAsClient(response) {
const params = response[0];
if (
this._options.clientNoContextTakeover === false &&
params.client_no_context_takeover
) {
throw new Error('Unexpected parameter "client_no_context_takeover"');
}
if (!params.client_max_window_bits) {
if (typeof this._options.clientMaxWindowBits === 'number') {
params.client_max_window_bits = this._options.clientMaxWindowBits;
}
} else if (
this._options.clientMaxWindowBits === false ||
(typeof this._options.clientMaxWindowBits === 'number' &&
params.client_max_window_bits > this._options.clientMaxWindowBits)
) {
throw new Error(
'Unexpected or invalid parameter "client_max_window_bits"'
);
}
return params;
}
/**
* Normalize parameters.
*
* @param {Array} configurations The extension negotiation offers/reponse
* @return {Array} The offers/response with normalized parameters
* @private
*/
normalizeParams(configurations) {
configurations.forEach((params) => {
Object.keys(params).forEach((key) => {
let value = params[key];
if (value.length > 1) {
throw new Error(`Parameter "${key}" must have only a single value`);
}
value = value[0];
if (key === 'client_max_window_bits') {
if (value !== true) {
const num = +value;
if (!Number.isInteger(num) || num < 8 || num > 15) {
throw new TypeError(
`Invalid value for parameter "${key}": ${value}`
);
}
value = num;
} else if (!this._isServer) {
throw new TypeError(
`Invalid value for parameter "${key}": ${value}`
);
}
} else if (key === 'server_max_window_bits') {
const num = +value;
if (!Number.isInteger(num) || num < 8 || num > 15) {
throw new TypeError(
`Invalid value for parameter "${key}": ${value}`
);
}
value = num;
} else if (
key === 'client_no_context_takeover' ||
key === 'server_no_context_takeover'
) {
if (value !== true) {
throw new TypeError(
`Invalid value for parameter "${key}": ${value}`
);
}
} else {
throw new Error(`Unknown parameter "${key}"`);
}
params[key] = value;
});
});
return configurations;
}
/**
* Decompress data. Concurrency limited.
*
* @param {Buffer} data Compressed data
* @param {Boolean} fin Specifies whether or not this is the last fragment
* @param {Function} callback Callback
* @public
*/
decompress(data, fin, callback) {
zlibLimiter.add((done) => {
this._decompress(data, fin, (err, result) => {
done();
callback(err, result);
});
});
}
/**
* Compress data. Concurrency limited.
*
* @param {Buffer} data Data to compress
* @param {Boolean} fin Specifies whether or not this is the last fragment
* @param {Function} callback Callback
* @public
*/
compress(data, fin, callback) {
zlibLimiter.add((done) => {
this._compress(data, fin, (err, result) => {
done();
callback(err, result);
});
});
}
/**
* Decompress data.
*
* @param {Buffer} data Compressed data
* @param {Boolean} fin Specifies whether or not this is the last fragment
* @param {Function} callback Callback
* @private
*/
_decompress(data, fin, callback) {
const endpoint = this._isServer ? 'client' : 'server';
if (!this._inflate) {
const key = `${endpoint}_max_window_bits`;
const windowBits =
typeof this.params[key] !== 'number'
? zlib.Z_DEFAULT_WINDOWBITS
: this.params[key];
this._inflate = zlib.createInflateRaw({
...this._options.zlibInflateOptions,
windowBits
});
this._inflate[kPerMessageDeflate] = this;
this._inflate[kTotalLength] = 0;
this._inflate[kBuffers] = [];
this._inflate.on('error', inflateOnError);
this._inflate.on('data', inflateOnData);
}
this._inflate[kCallback] = callback;
this._inflate.write(data);
if (fin) this._inflate.write(TRAILER);
this._inflate.flush(() => {
const err = this._inflate[kError];
if (err) {
this._inflate.close();
this._inflate = null;
callback(err);
return;
}
const data = bufferUtil.concat(
this._inflate[kBuffers],
this._inflate[kTotalLength]
);
if (this._inflate._readableState.endEmitted) {
this._inflate.close();
this._inflate = null;
} else {
this._inflate[kTotalLength] = 0;
this._inflate[kBuffers] = [];
if (fin && this.params[`${endpoint}_no_context_takeover`]) {
this._inflate.reset();
}
}
callback(null, data);
});
}
/**
* Compress data.
*
* @param {Buffer} data Data to compress
* @param {Boolean} fin Specifies whether or not this is the last fragment
* @param {Function} callback Callback
* @private
*/
_compress(data, fin, callback) {
const endpoint = this._isServer ? 'server' : 'client';
if (!this._deflate) {
const key = `${endpoint}_max_window_bits`;
const windowBits =
typeof this.params[key] !== 'number'
? zlib.Z_DEFAULT_WINDOWBITS
: this.params[key];
this._deflate = zlib.createDeflateRaw({
...this._options.zlibDeflateOptions,
windowBits
});
this._deflate[kTotalLength] = 0;
this._deflate[kBuffers] = [];
//
// An `'error'` event is emitted, only on Node.js < 10.0.0, if the
// `zlib.DeflateRaw` instance is closed while data is being processed.
// This can happen if `PerMessageDeflate#cleanup()` is called at the wrong
// time due to an abnormal WebSocket closure.
//
this._deflate.on('error', NOOP);
this._deflate.on('data', deflateOnData);
}
this._deflate[kCallback] = callback;
this._deflate.write(data);
this._deflate.flush(zlib.Z_SYNC_FLUSH, () => {
if (!this._deflate) {
//
// The deflate stream was closed while data was being processed.
//
return;
}
let data = bufferUtil.concat(
this._deflate[kBuffers],
this._deflate[kTotalLength]
);
if (fin) data = data.slice(0, data.length - 4);
//
// Ensure that the callback will not be called again in
// `PerMessageDeflate#cleanup()`.
//
this._deflate[kCallback] = null;
this._deflate[kTotalLength] = 0;
this._deflate[kBuffers] = [];
if (fin && this.params[`${endpoint}_no_context_takeover`]) {
this._deflate.reset();
}
callback(null, data);
});
}
}
module.exports = PerMessageDeflate;
/**
* The listener of the `zlib.DeflateRaw` stream `'data'` event.
*
* @param {Buffer} chunk A chunk of data
* @private
*/
function deflateOnData(chunk) {
this[kBuffers].push(chunk);
this[kTotalLength] += chunk.length;
}
/**
* The listener of the `zlib.InflateRaw` stream `'data'` event.
*
* @param {Buffer} chunk A chunk of data
* @private
*/
function inflateOnData(chunk) {
this[kTotalLength] += chunk.length;
if (
this[kPerMessageDeflate]._maxPayload < 1 ||
this[kTotalLength] <= this[kPerMessageDeflate]._maxPayload
) {
this[kBuffers].push(chunk);
return;
}
this[kError] = new RangeError('Max payload size exceeded');
this[kError].code = 'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH';
this[kError][kStatusCode] = 1009;
this.removeListener('data', inflateOnData);
this.reset();
}
/**
* The listener of the `zlib.InflateRaw` stream `'error'` event.
*
* @param {Error} err The emitted error
* @private
*/
function inflateOnError(err) {
//
// There is no need to call `Zlib#close()` as the handle is automatically
// closed when an error is emitted.
//
this[kPerMessageDeflate]._inflate = null;
err[kStatusCode] = 1007;
this[kCallback](err);
}

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@@ -0,0 +1,664 @@
'use strict';
const { Writable } = require('stream');
const PerMessageDeflate = require('./permessage-deflate');
const {
BINARY_TYPES,
EMPTY_BUFFER,
kStatusCode,
kWebSocket
} = require('./constants');
const { concat, toArrayBuffer, unmask } = require('./buffer-util');
const { isValidStatusCode, isValidUTF8 } = require('./validation');
const GET_INFO = 0;
const GET_PAYLOAD_LENGTH_16 = 1;
const GET_PAYLOAD_LENGTH_64 = 2;
const GET_MASK = 3;
const GET_DATA = 4;
const INFLATING = 5;
/**
* HyBi Receiver implementation.
*
* @extends Writable
*/
class Receiver extends Writable {
/**
* Creates a Receiver instance.
*
* @param {String} [binaryType=nodebuffer] The type for binary data
* @param {Object} [extensions] An object containing the negotiated extensions
* @param {Boolean} [isServer=false] Specifies whether to operate in client or
* server mode
* @param {Number} [maxPayload=0] The maximum allowed message length
* @param {Number} [maxBufferedChunks=0] The maximum number of
* buffered data chunks
* @param {Number} [maxFragments=0] The maximum number of message
* fragments
*/
constructor(
binaryType,
extensions,
isServer,
maxPayload,
maxBufferedChunks,
maxFragments
) {
super();
this._binaryType = binaryType || BINARY_TYPES[0];
this[kWebSocket] = undefined;
this._extensions = extensions || {};
this._isServer = !!isServer;
this._maxBufferedChunks = maxBufferedChunks | 0;
this._maxFragments = maxFragments | 0;
this._maxPayload = maxPayload | 0;
this._bufferedBytes = 0;
this._buffers = [];
this._compressed = false;
this._payloadLength = 0;
this._mask = undefined;
this._fragmented = 0;
this._masked = false;
this._fin = false;
this._opcode = 0;
this._totalPayloadLength = 0;
this._messageLength = 0;
this._fragments = [];
this._state = GET_INFO;
this._loop = false;
}
/**
* Implements `Writable.prototype._write()`.
*
* @param {Buffer} chunk The chunk of data to write
* @param {String} encoding The character encoding of `chunk`
* @param {Function} cb Callback
* @private
*/
_write(chunk, encoding, cb) {
if (this._opcode === 0x08 && this._state == GET_INFO) return cb();
if (
this._maxBufferedChunks > 0 &&
this._buffers.length >= this._maxBufferedChunks
) {
return cb(
error(
RangeError,
'Too many buffered chunks',
false,
1008,
'WS_ERR_TOO_MANY_BUFFERED_PARTS'
)
);
}
this._bufferedBytes += chunk.length;
this._buffers.push(chunk);
this.startLoop(cb);
}
/**
* Consumes `n` bytes from the buffered data.
*
* @param {Number} n The number of bytes to consume
* @return {Buffer} The consumed bytes
* @private
*/
consume(n) {
this._bufferedBytes -= n;
if (n === this._buffers[0].length) return this._buffers.shift();
if (n < this._buffers[0].length) {
const buf = this._buffers[0];
this._buffers[0] = buf.slice(n);
return buf.slice(0, n);
}
const dst = Buffer.allocUnsafe(n);
do {
const buf = this._buffers[0];
const offset = dst.length - n;
if (n >= buf.length) {
dst.set(this._buffers.shift(), offset);
} else {
dst.set(new Uint8Array(buf.buffer, buf.byteOffset, n), offset);
this._buffers[0] = buf.slice(n);
}
n -= buf.length;
} while (n > 0);
return dst;
}
/**
* Starts the parsing loop.
*
* @param {Function} cb Callback
* @private
*/
startLoop(cb) {
let err;
this._loop = true;
do {
switch (this._state) {
case GET_INFO:
err = this.getInfo();
break;
case GET_PAYLOAD_LENGTH_16:
err = this.getPayloadLength16();
break;
case GET_PAYLOAD_LENGTH_64:
err = this.getPayloadLength64();
break;
case GET_MASK:
this.getMask();
break;
case GET_DATA:
err = this.getData(cb);
break;
default:
// `INFLATING`
this._loop = false;
return;
}
} while (this._loop);
cb(err);
}
/**
* Reads the first two bytes of a frame.
*
* @return {(RangeError|undefined)} A possible error
* @private
*/
getInfo() {
if (this._bufferedBytes < 2) {
this._loop = false;
return;
}
const buf = this.consume(2);
if ((buf[0] & 0x30) !== 0x00) {
this._loop = false;
return error(
RangeError,
'RSV2 and RSV3 must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_RSV_2_3'
);
}
const compressed = (buf[0] & 0x40) === 0x40;
if (compressed && !this._extensions[PerMessageDeflate.extensionName]) {
this._loop = false;
return error(
RangeError,
'RSV1 must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_RSV_1'
);
}
this._fin = (buf[0] & 0x80) === 0x80;
this._opcode = buf[0] & 0x0f;
this._payloadLength = buf[1] & 0x7f;
if (this._opcode === 0x00) {
if (compressed) {
this._loop = false;
return error(
RangeError,
'RSV1 must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_RSV_1'
);
}
if (!this._fragmented) {
this._loop = false;
return error(
RangeError,
'invalid opcode 0',
true,
1002,
'WS_ERR_INVALID_OPCODE'
);
}
this._opcode = this._fragmented;
} else if (this._opcode === 0x01 || this._opcode === 0x02) {
if (this._fragmented) {
this._loop = false;
return error(
RangeError,
`invalid opcode ${this._opcode}`,
true,
1002,
'WS_ERR_INVALID_OPCODE'
);
}
this._compressed = compressed;
} else if (this._opcode > 0x07 && this._opcode < 0x0b) {
if (!this._fin) {
this._loop = false;
return error(
RangeError,
'FIN must be set',
true,
1002,
'WS_ERR_EXPECTED_FIN'
);
}
if (compressed) {
this._loop = false;
return error(
RangeError,
'RSV1 must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_RSV_1'
);
}
if (this._payloadLength > 0x7d) {
this._loop = false;
return error(
RangeError,
`invalid payload length ${this._payloadLength}`,
true,
1002,
'WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH'
);
}
} else {
this._loop = false;
return error(
RangeError,
`invalid opcode ${this._opcode}`,
true,
1002,
'WS_ERR_INVALID_OPCODE'
);
}
if (!this._fin && !this._fragmented) this._fragmented = this._opcode;
this._masked = (buf[1] & 0x80) === 0x80;
if (this._isServer) {
if (!this._masked) {
this._loop = false;
return error(
RangeError,
'MASK must be set',
true,
1002,
'WS_ERR_EXPECTED_MASK'
);
}
} else if (this._masked) {
this._loop = false;
return error(
RangeError,
'MASK must be clear',
true,
1002,
'WS_ERR_UNEXPECTED_MASK'
);
}
if (this._payloadLength === 126) this._state = GET_PAYLOAD_LENGTH_16;
else if (this._payloadLength === 127) this._state = GET_PAYLOAD_LENGTH_64;
else return this.haveLength();
}
/**
* Gets extended payload length (7+16).
*
* @return {(RangeError|undefined)} A possible error
* @private
*/
getPayloadLength16() {
if (this._bufferedBytes < 2) {
this._loop = false;
return;
}
this._payloadLength = this.consume(2).readUInt16BE(0);
return this.haveLength();
}
/**
* Gets extended payload length (7+64).
*
* @return {(RangeError|undefined)} A possible error
* @private
*/
getPayloadLength64() {
if (this._bufferedBytes < 8) {
this._loop = false;
return;
}
const buf = this.consume(8);
const num = buf.readUInt32BE(0);
//
// The maximum safe integer in JavaScript is 2^53 - 1. An error is returned
// if payload length is greater than this number.
//
if (num > Math.pow(2, 53 - 32) - 1) {
this._loop = false;
return error(
RangeError,
'Unsupported WebSocket frame: payload length > 2^53 - 1',
false,
1009,
'WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH'
);
}
this._payloadLength = num * Math.pow(2, 32) + buf.readUInt32BE(4);
return this.haveLength();
}
/**
* Payload length has been read.
*
* @return {(RangeError|undefined)} A possible error
* @private
*/
haveLength() {
if (this._payloadLength && this._opcode < 0x08) {
this._totalPayloadLength += this._payloadLength;
if (this._totalPayloadLength > this._maxPayload && this._maxPayload > 0) {
this._loop = false;
return error(
RangeError,
'Max payload size exceeded',
false,
1009,
'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH'
);
}
}
if (this._masked) this._state = GET_MASK;
else this._state = GET_DATA;
}
/**
* Reads mask bytes.
*
* @private
*/
getMask() {
if (this._bufferedBytes < 4) {
this._loop = false;
return;
}
this._mask = this.consume(4);
this._state = GET_DATA;
}
/**
* Reads data bytes.
*
* @param {Function} cb Callback
* @return {(Error|RangeError|undefined)} A possible error
* @private
*/
getData(cb) {
let data = EMPTY_BUFFER;
if (this._payloadLength) {
if (this._bufferedBytes < this._payloadLength) {
this._loop = false;
return;
}
data = this.consume(this._payloadLength);
if (this._masked) unmask(data, this._mask);
}
if (this._opcode > 0x07) return this.controlMessage(data);
if (this._compressed) {
this._state = INFLATING;
this.decompress(data, cb);
return;
}
if (data.length) {
if (
this._maxFragments > 0 &&
this._fragments.length >= this._maxFragments
) {
this._loop = false;
return error(
RangeError,
'Too many message fragments',
false,
1008,
'WS_ERR_TOO_MANY_BUFFERED_PARTS'
);
}
//
// This message is not compressed so its lenght is the sum of the payload
// length of all fragments.
//
this._messageLength = this._totalPayloadLength;
this._fragments.push(data);
}
return this.dataMessage();
}
/**
* Decompresses data.
*
* @param {Buffer} data Compressed data
* @param {Function} cb Callback
* @private
*/
decompress(data, cb) {
const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName];
perMessageDeflate.decompress(data, this._fin, (err, buf) => {
if (err) return cb(err);
if (buf.length) {
this._messageLength += buf.length;
if (this._messageLength > this._maxPayload && this._maxPayload > 0) {
return cb(
error(
RangeError,
'Max payload size exceeded',
false,
1009,
'WS_ERR_UNSUPPORTED_MESSAGE_LENGTH'
)
);
}
if (
this._maxFragments > 0 &&
this._fragments.length >= this._maxFragments
) {
return cb(
error(
RangeError,
'Too many message fragments',
false,
1008,
'WS_ERR_TOO_MANY_BUFFERED_PARTS'
)
);
}
this._fragments.push(buf);
}
const er = this.dataMessage();
if (er) return cb(er);
this.startLoop(cb);
});
}
/**
* Handles a data message.
*
* @return {(Error|undefined)} A possible error
* @private
*/
dataMessage() {
if (this._fin) {
const messageLength = this._messageLength;
const fragments = this._fragments;
this._totalPayloadLength = 0;
this._messageLength = 0;
this._fragmented = 0;
this._fragments = [];
if (this._opcode === 2) {
let data;
if (this._binaryType === 'nodebuffer') {
data = concat(fragments, messageLength);
} else if (this._binaryType === 'arraybuffer') {
data = toArrayBuffer(concat(fragments, messageLength));
} else {
data = fragments;
}
this.emit('message', data);
} else {
const buf = concat(fragments, messageLength);
if (!isValidUTF8(buf)) {
this._loop = false;
return error(
Error,
'invalid UTF-8 sequence',
true,
1007,
'WS_ERR_INVALID_UTF8'
);
}
this.emit('message', buf.toString());
}
}
this._state = GET_INFO;
}
/**
* Handles a control message.
*
* @param {Buffer} data Data to handle
* @return {(Error|RangeError|undefined)} A possible error
* @private
*/
controlMessage(data) {
if (this._opcode === 0x08) {
this._loop = false;
if (data.length === 0) {
this.emit('conclude', 1005, '');
this.end();
} else if (data.length === 1) {
return error(
RangeError,
'invalid payload length 1',
true,
1002,
'WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH'
);
} else {
const code = data.readUInt16BE(0);
if (!isValidStatusCode(code)) {
return error(
RangeError,
`invalid status code ${code}`,
true,
1002,
'WS_ERR_INVALID_CLOSE_CODE'
);
}
const buf = data.slice(2);
if (!isValidUTF8(buf)) {
return error(
Error,
'invalid UTF-8 sequence',
true,
1007,
'WS_ERR_INVALID_UTF8'
);
}
this.emit('conclude', code, buf.toString());
this.end();
}
} else if (this._opcode === 0x09) {
this.emit('ping', data);
} else {
this.emit('pong', data);
}
this._state = GET_INFO;
}
}
module.exports = Receiver;
/**
* Builds an error object.
*
* @param {function(new:Error|RangeError)} ErrorCtor The error constructor
* @param {String} message The error message
* @param {Boolean} prefix Specifies whether or not to add a default prefix to
* `message`
* @param {Number} statusCode The status code
* @param {String} errorCode The exposed error code
* @return {(Error|RangeError)} The error
* @private
*/
function error(ErrorCtor, message, prefix, statusCode, errorCode) {
const err = new ErrorCtor(
prefix ? `Invalid WebSocket frame: ${message}` : message
);
Error.captureStackTrace(err, error);
err.code = errorCode;
err[kStatusCode] = statusCode;
return err;
}

View File

@@ -0,0 +1,409 @@
/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^net|tls$" }] */
'use strict';
const net = require('net');
const tls = require('tls');
const { randomFillSync } = require('crypto');
const PerMessageDeflate = require('./permessage-deflate');
const { EMPTY_BUFFER } = require('./constants');
const { isValidStatusCode } = require('./validation');
const { mask: applyMask, toBuffer } = require('./buffer-util');
const mask = Buffer.alloc(4);
/**
* HyBi Sender implementation.
*/
class Sender {
/**
* Creates a Sender instance.
*
* @param {(net.Socket|tls.Socket)} socket The connection socket
* @param {Object} [extensions] An object containing the negotiated extensions
*/
constructor(socket, extensions) {
this._extensions = extensions || {};
this._socket = socket;
this._firstFragment = true;
this._compress = false;
this._bufferedBytes = 0;
this._deflating = false;
this._queue = [];
}
/**
* Frames a piece of data according to the HyBi WebSocket protocol.
*
* @param {Buffer} data The data to frame
* @param {Object} options Options object
* @param {Number} options.opcode The opcode
* @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
* modified
* @param {Boolean} [options.fin=false] Specifies whether or not to set the
* FIN bit
* @param {Boolean} [options.mask=false] Specifies whether or not to mask
* `data`
* @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
* RSV1 bit
* @return {Buffer[]} The framed data as a list of `Buffer` instances
* @public
*/
static frame(data, options) {
const merge = options.mask && options.readOnly;
let offset = options.mask ? 6 : 2;
let payloadLength = data.length;
if (data.length >= 65536) {
offset += 8;
payloadLength = 127;
} else if (data.length > 125) {
offset += 2;
payloadLength = 126;
}
const target = Buffer.allocUnsafe(merge ? data.length + offset : offset);
target[0] = options.fin ? options.opcode | 0x80 : options.opcode;
if (options.rsv1) target[0] |= 0x40;
target[1] = payloadLength;
if (payloadLength === 126) {
target.writeUInt16BE(data.length, 2);
} else if (payloadLength === 127) {
target.writeUInt32BE(0, 2);
target.writeUInt32BE(data.length, 6);
}
if (!options.mask) return [target, data];
randomFillSync(mask, 0, 4);
target[1] |= 0x80;
target[offset - 4] = mask[0];
target[offset - 3] = mask[1];
target[offset - 2] = mask[2];
target[offset - 1] = mask[3];
if (merge) {
applyMask(data, mask, target, offset, data.length);
return [target];
}
applyMask(data, mask, data, 0, data.length);
return [target, data];
}
/**
* Sends a close message to the other peer.
*
* @param {Number} [code] The status code component of the body
* @param {String} [data] The message component of the body
* @param {Boolean} [mask=false] Specifies whether or not to mask the message
* @param {Function} [cb] Callback
* @public
*/
close(code, data, mask, cb) {
let buf;
if (code === undefined) {
buf = EMPTY_BUFFER;
} else if (typeof code !== 'number' || !isValidStatusCode(code)) {
throw new TypeError('First argument must be a valid error code number');
} else if (data === undefined || data === '') {
buf = Buffer.allocUnsafe(2);
buf.writeUInt16BE(code, 0);
} else {
const length = Buffer.byteLength(data);
if (length > 123) {
throw new RangeError('The message must not be greater than 123 bytes');
}
buf = Buffer.allocUnsafe(2 + length);
buf.writeUInt16BE(code, 0);
buf.write(data, 2);
}
if (this._deflating) {
this.enqueue([this.doClose, buf, mask, cb]);
} else {
this.doClose(buf, mask, cb);
}
}
/**
* Frames and sends a close message.
*
* @param {Buffer} data The message to send
* @param {Boolean} [mask=false] Specifies whether or not to mask `data`
* @param {Function} [cb] Callback
* @private
*/
doClose(data, mask, cb) {
this.sendFrame(
Sender.frame(data, {
fin: true,
rsv1: false,
opcode: 0x08,
mask,
readOnly: false
}),
cb
);
}
/**
* Sends a ping message to the other peer.
*
* @param {*} data The message to send
* @param {Boolean} [mask=false] Specifies whether or not to mask `data`
* @param {Function} [cb] Callback
* @public
*/
ping(data, mask, cb) {
const buf = toBuffer(data);
if (buf.length > 125) {
throw new RangeError('The data size must not be greater than 125 bytes');
}
if (this._deflating) {
this.enqueue([this.doPing, buf, mask, toBuffer.readOnly, cb]);
} else {
this.doPing(buf, mask, toBuffer.readOnly, cb);
}
}
/**
* Frames and sends a ping message.
*
* @param {Buffer} data The message to send
* @param {Boolean} [mask=false] Specifies whether or not to mask `data`
* @param {Boolean} [readOnly=false] Specifies whether `data` can be modified
* @param {Function} [cb] Callback
* @private
*/
doPing(data, mask, readOnly, cb) {
this.sendFrame(
Sender.frame(data, {
fin: true,
rsv1: false,
opcode: 0x09,
mask,
readOnly
}),
cb
);
}
/**
* Sends a pong message to the other peer.
*
* @param {*} data The message to send
* @param {Boolean} [mask=false] Specifies whether or not to mask `data`
* @param {Function} [cb] Callback
* @public
*/
pong(data, mask, cb) {
const buf = toBuffer(data);
if (buf.length > 125) {
throw new RangeError('The data size must not be greater than 125 bytes');
}
if (this._deflating) {
this.enqueue([this.doPong, buf, mask, toBuffer.readOnly, cb]);
} else {
this.doPong(buf, mask, toBuffer.readOnly, cb);
}
}
/**
* Frames and sends a pong message.
*
* @param {Buffer} data The message to send
* @param {Boolean} [mask=false] Specifies whether or not to mask `data`
* @param {Boolean} [readOnly=false] Specifies whether `data` can be modified
* @param {Function} [cb] Callback
* @private
*/
doPong(data, mask, readOnly, cb) {
this.sendFrame(
Sender.frame(data, {
fin: true,
rsv1: false,
opcode: 0x0a,
mask,
readOnly
}),
cb
);
}
/**
* Sends a data message to the other peer.
*
* @param {*} data The message to send
* @param {Object} options Options object
* @param {Boolean} [options.compress=false] Specifies whether or not to
* compress `data`
* @param {Boolean} [options.binary=false] Specifies whether `data` is binary
* or text
* @param {Boolean} [options.fin=false] Specifies whether the fragment is the
* last one
* @param {Boolean} [options.mask=false] Specifies whether or not to mask
* `data`
* @param {Function} [cb] Callback
* @public
*/
send(data, options, cb) {
const buf = toBuffer(data);
const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName];
let opcode = options.binary ? 2 : 1;
let rsv1 = options.compress;
if (this._firstFragment) {
this._firstFragment = false;
if (rsv1 && perMessageDeflate) {
rsv1 = buf.length >= perMessageDeflate._threshold;
}
this._compress = rsv1;
} else {
rsv1 = false;
opcode = 0;
}
if (options.fin) this._firstFragment = true;
if (perMessageDeflate) {
const opts = {
fin: options.fin,
rsv1,
opcode,
mask: options.mask,
readOnly: toBuffer.readOnly
};
if (this._deflating) {
this.enqueue([this.dispatch, buf, this._compress, opts, cb]);
} else {
this.dispatch(buf, this._compress, opts, cb);
}
} else {
this.sendFrame(
Sender.frame(buf, {
fin: options.fin,
rsv1: false,
opcode,
mask: options.mask,
readOnly: toBuffer.readOnly
}),
cb
);
}
}
/**
* Dispatches a data message.
*
* @param {Buffer} data The message to send
* @param {Boolean} [compress=false] Specifies whether or not to compress
* `data`
* @param {Object} options Options object
* @param {Number} options.opcode The opcode
* @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
* modified
* @param {Boolean} [options.fin=false] Specifies whether or not to set the
* FIN bit
* @param {Boolean} [options.mask=false] Specifies whether or not to mask
* `data`
* @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
* RSV1 bit
* @param {Function} [cb] Callback
* @private
*/
dispatch(data, compress, options, cb) {
if (!compress) {
this.sendFrame(Sender.frame(data, options), cb);
return;
}
const perMessageDeflate = this._extensions[PerMessageDeflate.extensionName];
this._bufferedBytes += data.length;
this._deflating = true;
perMessageDeflate.compress(data, options.fin, (_, buf) => {
if (this._socket.destroyed) {
const err = new Error(
'The socket was closed while data was being compressed'
);
if (typeof cb === 'function') cb(err);
for (let i = 0; i < this._queue.length; i++) {
const callback = this._queue[i][4];
if (typeof callback === 'function') callback(err);
}
return;
}
this._bufferedBytes -= data.length;
this._deflating = false;
options.readOnly = false;
this.sendFrame(Sender.frame(buf, options), cb);
this.dequeue();
});
}
/**
* Executes queued send operations.
*
* @private
*/
dequeue() {
while (!this._deflating && this._queue.length) {
const params = this._queue.shift();
this._bufferedBytes -= params[1].length;
Reflect.apply(params[0], this, params.slice(1));
}
}
/**
* Enqueues a send operation.
*
* @param {Array} params Send operation parameters.
* @private
*/
enqueue(params) {
this._bufferedBytes += params[1].length;
this._queue.push(params);
}
/**
* Sends a frame.
*
* @param {Buffer[]} list The frame to send
* @param {Function} [cb] Callback
* @private
*/
sendFrame(list, cb) {
if (list.length === 2) {
this._socket.cork();
this._socket.write(list[0]);
this._socket.write(list[1], cb);
this._socket.uncork();
} else {
this._socket.write(list[0], cb);
}
}
}
module.exports = Sender;

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@@ -0,0 +1,180 @@
'use strict';
const { Duplex } = require('stream');
/**
* Emits the `'close'` event on a stream.
*
* @param {Duplex} stream The stream.
* @private
*/
function emitClose(stream) {
stream.emit('close');
}
/**
* The listener of the `'end'` event.
*
* @private
*/
function duplexOnEnd() {
if (!this.destroyed && this._writableState.finished) {
this.destroy();
}
}
/**
* The listener of the `'error'` event.
*
* @param {Error} err The error
* @private
*/
function duplexOnError(err) {
this.removeListener('error', duplexOnError);
this.destroy();
if (this.listenerCount('error') === 0) {
// Do not suppress the throwing behavior.
this.emit('error', err);
}
}
/**
* Wraps a `WebSocket` in a duplex stream.
*
* @param {WebSocket} ws The `WebSocket` to wrap
* @param {Object} [options] The options for the `Duplex` constructor
* @return {Duplex} The duplex stream
* @public
*/
function createWebSocketStream(ws, options) {
let resumeOnReceiverDrain = true;
let terminateOnDestroy = true;
function receiverOnDrain() {
if (resumeOnReceiverDrain) ws._socket.resume();
}
if (ws.readyState === ws.CONNECTING) {
ws.once('open', function open() {
ws._receiver.removeAllListeners('drain');
ws._receiver.on('drain', receiverOnDrain);
});
} else {
ws._receiver.removeAllListeners('drain');
ws._receiver.on('drain', receiverOnDrain);
}
const duplex = new Duplex({
...options,
autoDestroy: false,
emitClose: false,
objectMode: false,
writableObjectMode: false
});
ws.on('message', function message(msg) {
if (!duplex.push(msg)) {
resumeOnReceiverDrain = false;
ws._socket.pause();
}
});
ws.once('error', function error(err) {
if (duplex.destroyed) return;
// Prevent `ws.terminate()` from being called by `duplex._destroy()`.
//
// - If the `'error'` event is emitted before the `'open'` event, then
// `ws.terminate()` is a noop as no socket is assigned.
// - Otherwise, the error is re-emitted by the listener of the `'error'`
// event of the `Receiver` object. The listener already closes the
// connection by calling `ws.close()`. This allows a close frame to be
// sent to the other peer. If `ws.terminate()` is called right after this,
// then the close frame might not be sent.
terminateOnDestroy = false;
duplex.destroy(err);
});
ws.once('close', function close() {
if (duplex.destroyed) return;
duplex.push(null);
});
duplex._destroy = function (err, callback) {
if (ws.readyState === ws.CLOSED) {
callback(err);
process.nextTick(emitClose, duplex);
return;
}
let called = false;
ws.once('error', function error(err) {
called = true;
callback(err);
});
ws.once('close', function close() {
if (!called) callback(err);
process.nextTick(emitClose, duplex);
});
if (terminateOnDestroy) ws.terminate();
};
duplex._final = function (callback) {
if (ws.readyState === ws.CONNECTING) {
ws.once('open', function open() {
duplex._final(callback);
});
return;
}
// If the value of the `_socket` property is `null` it means that `ws` is a
// client websocket and the handshake failed. In fact, when this happens, a
// socket is never assigned to the websocket. Wait for the `'error'` event
// that will be emitted by the websocket.
if (ws._socket === null) return;
if (ws._socket._writableState.finished) {
callback();
if (duplex._readableState.endEmitted) duplex.destroy();
} else {
ws._socket.once('finish', function finish() {
// `duplex` is not destroyed here because the `'end'` event will be
// emitted on `duplex` after this `'finish'` event. The EOF signaling
// `null` chunk is, in fact, pushed when the websocket emits `'close'`.
callback();
});
ws.close();
}
};
duplex._read = function () {
if (
(ws.readyState === ws.OPEN || ws.readyState === ws.CLOSING) &&
!resumeOnReceiverDrain
) {
resumeOnReceiverDrain = true;
if (!ws._receiver._writableState.needDrain) ws._socket.resume();
}
};
duplex._write = function (chunk, encoding, callback) {
if (ws.readyState === ws.CONNECTING) {
ws.once('open', function open() {
duplex._write(chunk, encoding, callback);
});
return;
}
ws.send(chunk, callback);
};
duplex.on('end', duplexOnEnd);
duplex.on('error', duplexOnError);
return duplex;
}
module.exports = createWebSocketStream;

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@@ -0,0 +1,104 @@
'use strict';
/**
* Checks if a status code is allowed in a close frame.
*
* @param {Number} code The status code
* @return {Boolean} `true` if the status code is valid, else `false`
* @public
*/
function isValidStatusCode(code) {
return (
(code >= 1000 &&
code <= 1014 &&
code !== 1004 &&
code !== 1005 &&
code !== 1006) ||
(code >= 3000 && code <= 4999)
);
}
/**
* Checks if a given buffer contains only correct UTF-8.
* Ported from https://www.cl.cam.ac.uk/%7Emgk25/ucs/utf8_check.c by
* Markus Kuhn.
*
* @param {Buffer} buf The buffer to check
* @return {Boolean} `true` if `buf` contains only correct UTF-8, else `false`
* @public
*/
function _isValidUTF8(buf) {
const len = buf.length;
let i = 0;
while (i < len) {
if ((buf[i] & 0x80) === 0) {
// 0xxxxxxx
i++;
} else if ((buf[i] & 0xe0) === 0xc0) {
// 110xxxxx 10xxxxxx
if (
i + 1 === len ||
(buf[i + 1] & 0xc0) !== 0x80 ||
(buf[i] & 0xfe) === 0xc0 // Overlong
) {
return false;
}
i += 2;
} else if ((buf[i] & 0xf0) === 0xe0) {
// 1110xxxx 10xxxxxx 10xxxxxx
if (
i + 2 >= len ||
(buf[i + 1] & 0xc0) !== 0x80 ||
(buf[i + 2] & 0xc0) !== 0x80 ||
(buf[i] === 0xe0 && (buf[i + 1] & 0xe0) === 0x80) || // Overlong
(buf[i] === 0xed && (buf[i + 1] & 0xe0) === 0xa0) // Surrogate (U+D800 - U+DFFF)
) {
return false;
}
i += 3;
} else if ((buf[i] & 0xf8) === 0xf0) {
// 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
if (
i + 3 >= len ||
(buf[i + 1] & 0xc0) !== 0x80 ||
(buf[i + 2] & 0xc0) !== 0x80 ||
(buf[i + 3] & 0xc0) !== 0x80 ||
(buf[i] === 0xf0 && (buf[i + 1] & 0xf0) === 0x80) || // Overlong
(buf[i] === 0xf4 && buf[i + 1] > 0x8f) ||
buf[i] > 0xf4 // > U+10FFFF
) {
return false;
}
i += 4;
} else {
return false;
}
}
return true;
}
try {
let isValidUTF8 = require('utf-8-validate');
/* istanbul ignore if */
if (typeof isValidUTF8 === 'object') {
isValidUTF8 = isValidUTF8.Validation.isValidUTF8; // utf-8-validate@<3.0.0
}
module.exports = {
isValidStatusCode,
isValidUTF8(buf) {
return buf.length < 150 ? _isValidUTF8(buf) : isValidUTF8(buf);
}
};
} catch (e) /* istanbul ignore next */ {
module.exports = {
isValidStatusCode,
isValidUTF8: _isValidUTF8
};
}

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@@ -0,0 +1,461 @@
/* eslint no-unused-vars: ["error", { "varsIgnorePattern": "^net|tls|https$" }] */
'use strict';
const EventEmitter = require('events');
const http = require('http');
const https = require('https');
const net = require('net');
const tls = require('tls');
const { createHash } = require('crypto');
const PerMessageDeflate = require('./permessage-deflate');
const WebSocket = require('./websocket');
const { format, parse } = require('./extension');
const { GUID, kWebSocket } = require('./constants');
const keyRegex = /^[+/0-9A-Za-z]{22}==$/;
const RUNNING = 0;
const CLOSING = 1;
const CLOSED = 2;
/**
* Class representing a WebSocket server.
*
* @extends EventEmitter
*/
class WebSocketServer extends EventEmitter {
/**
* Create a `WebSocketServer` instance.
*
* @param {Object} options Configuration options
* @param {Number} [options.backlog=511] The maximum length of the queue of
* pending connections
* @param {Boolean} [options.clientTracking=true] Specifies whether or not to
* track clients
* @param {Function} [options.handleProtocols] A hook to handle protocols
* @param {String} [options.host] The hostname where to bind the server
* @param {Number} [options.maxBufferedChunks=1048576] The maximum number of
* buffered data chunks
* @param {Number} [options.maxFragments=131072] The maximum number of message
* fragments
* @param {Number} [options.maxPayload=104857600] The maximum allowed message
* size
* @param {Boolean} [options.noServer=false] Enable no server mode
* @param {String} [options.path] Accept only connections matching this path
* @param {(Boolean|Object)} [options.perMessageDeflate=false] Enable/disable
* permessage-deflate
* @param {Number} [options.port] The port where to bind the server
* @param {(http.Server|https.Server)} [options.server] A pre-created HTTP/S
* server to use
* @param {Function} [options.verifyClient] A hook to reject connections
* @param {Function} [callback] A listener for the `listening` event
*/
constructor(options, callback) {
super();
options = {
maxBufferedChunks: 1024 * 1024,
maxFragments: 128 * 1024,
maxPayload: 100 * 1024 * 1024,
perMessageDeflate: false,
handleProtocols: null,
clientTracking: true,
verifyClient: null,
noServer: false,
backlog: null, // use default (511 as implemented in net.js)
server: null,
host: null,
path: null,
port: null,
...options
};
if (
(options.port == null && !options.server && !options.noServer) ||
(options.port != null && (options.server || options.noServer)) ||
(options.server && options.noServer)
) {
throw new TypeError(
'One and only one of the "port", "server", or "noServer" options ' +
'must be specified'
);
}
if (options.port != null) {
this._server = http.createServer((req, res) => {
const body = http.STATUS_CODES[426];
res.writeHead(426, {
'Content-Length': body.length,
'Content-Type': 'text/plain'
});
res.end(body);
});
this._server.listen(
options.port,
options.host,
options.backlog,
callback
);
} else if (options.server) {
this._server = options.server;
}
if (this._server) {
const emitConnection = this.emit.bind(this, 'connection');
this._removeListeners = addListeners(this._server, {
listening: this.emit.bind(this, 'listening'),
error: this.emit.bind(this, 'error'),
upgrade: (req, socket, head) => {
this.handleUpgrade(req, socket, head, emitConnection);
}
});
}
if (options.perMessageDeflate === true) options.perMessageDeflate = {};
if (options.clientTracking) this.clients = new Set();
this.options = options;
this._state = RUNNING;
}
/**
* Returns the bound address, the address family name, and port of the server
* as reported by the operating system if listening on an IP socket.
* If the server is listening on a pipe or UNIX domain socket, the name is
* returned as a string.
*
* @return {(Object|String|null)} The address of the server
* @public
*/
address() {
if (this.options.noServer) {
throw new Error('The server is operating in "noServer" mode');
}
if (!this._server) return null;
return this._server.address();
}
/**
* Close the server.
*
* @param {Function} [cb] Callback
* @public
*/
close(cb) {
if (cb) this.once('close', cb);
if (this._state === CLOSED) {
process.nextTick(emitClose, this);
return;
}
if (this._state === CLOSING) return;
this._state = CLOSING;
//
// Terminate all associated clients.
//
if (this.clients) {
for (const client of this.clients) client.terminate();
}
const server = this._server;
if (server) {
this._removeListeners();
this._removeListeners = this._server = null;
//
// Close the http server if it was internally created.
//
if (this.options.port != null) {
server.close(emitClose.bind(undefined, this));
return;
}
}
process.nextTick(emitClose, this);
}
/**
* See if a given request should be handled by this server instance.
*
* @param {http.IncomingMessage} req Request object to inspect
* @return {Boolean} `true` if the request is valid, else `false`
* @public
*/
shouldHandle(req) {
if (this.options.path) {
const index = req.url.indexOf('?');
const pathname = index !== -1 ? req.url.slice(0, index) : req.url;
if (pathname !== this.options.path) return false;
}
return true;
}
/**
* Handle a HTTP Upgrade request.
*
* @param {http.IncomingMessage} req The request object
* @param {(net.Socket|tls.Socket)} socket The network socket between the
* server and client
* @param {Buffer} head The first packet of the upgraded stream
* @param {Function} cb Callback
* @public
*/
handleUpgrade(req, socket, head, cb) {
socket.on('error', socketOnError);
const key =
req.headers['sec-websocket-key'] !== undefined
? req.headers['sec-websocket-key'].trim()
: false;
const upgrade = req.headers.upgrade;
const version = +req.headers['sec-websocket-version'];
const extensions = {};
if (
req.method !== 'GET' ||
upgrade === undefined ||
upgrade.toLowerCase() !== 'websocket' ||
!key ||
!keyRegex.test(key) ||
(version !== 8 && version !== 13) ||
!this.shouldHandle(req)
) {
return abortHandshake(socket, 400);
}
if (this.options.perMessageDeflate) {
const perMessageDeflate = new PerMessageDeflate(
this.options.perMessageDeflate,
true,
this.options.maxPayload
);
try {
const offers = parse(req.headers['sec-websocket-extensions']);
if (offers[PerMessageDeflate.extensionName]) {
perMessageDeflate.accept(offers[PerMessageDeflate.extensionName]);
extensions[PerMessageDeflate.extensionName] = perMessageDeflate;
}
} catch (err) {
return abortHandshake(socket, 400);
}
}
//
// Optionally call external client verification handler.
//
if (this.options.verifyClient) {
const info = {
origin:
req.headers[`${version === 8 ? 'sec-websocket-origin' : 'origin'}`],
secure: !!(req.socket.authorized || req.socket.encrypted),
req
};
if (this.options.verifyClient.length === 2) {
this.options.verifyClient(info, (verified, code, message, headers) => {
if (!verified) {
return abortHandshake(socket, code || 401, message, headers);
}
this.completeUpgrade(key, extensions, req, socket, head, cb);
});
return;
}
if (!this.options.verifyClient(info)) return abortHandshake(socket, 401);
}
this.completeUpgrade(key, extensions, req, socket, head, cb);
}
/**
* Upgrade the connection to WebSocket.
*
* @param {String} key The value of the `Sec-WebSocket-Key` header
* @param {Object} extensions The accepted extensions
* @param {http.IncomingMessage} req The request object
* @param {(net.Socket|tls.Socket)} socket The network socket between the
* server and client
* @param {Buffer} head The first packet of the upgraded stream
* @param {Function} cb Callback
* @throws {Error} If called more than once with the same socket
* @private
*/
completeUpgrade(key, extensions, req, socket, head, cb) {
//
// Destroy the socket if the client has already sent a FIN packet.
//
if (!socket.readable || !socket.writable) return socket.destroy();
if (socket[kWebSocket]) {
throw new Error(
'server.handleUpgrade() was called more than once with the same ' +
'socket, possibly due to a misconfiguration'
);
}
if (this._state > RUNNING) return abortHandshake(socket, 503);
const digest = createHash('sha1')
.update(key + GUID)
.digest('base64');
const headers = [
'HTTP/1.1 101 Switching Protocols',
'Upgrade: websocket',
'Connection: Upgrade',
`Sec-WebSocket-Accept: ${digest}`
];
const ws = new WebSocket(null);
let protocol = req.headers['sec-websocket-protocol'];
if (protocol) {
protocol = protocol.split(',').map(trim);
//
// Optionally call external protocol selection handler.
//
if (this.options.handleProtocols) {
protocol = this.options.handleProtocols(protocol, req);
} else {
protocol = protocol[0];
}
if (protocol) {
headers.push(`Sec-WebSocket-Protocol: ${protocol}`);
ws._protocol = protocol;
}
}
if (extensions[PerMessageDeflate.extensionName]) {
const params = extensions[PerMessageDeflate.extensionName].params;
const value = format({
[PerMessageDeflate.extensionName]: [params]
});
headers.push(`Sec-WebSocket-Extensions: ${value}`);
ws._extensions = extensions;
}
//
// Allow external modification/inspection of handshake headers.
//
this.emit('headers', headers, req);
socket.write(headers.concat('\r\n').join('\r\n'));
socket.removeListener('error', socketOnError);
ws.setSocket(
socket,
head,
this.options.maxPayload,
this.options.maxBufferedChunks,
this.options.maxFragments
);
if (this.clients) {
this.clients.add(ws);
ws.on('close', () => this.clients.delete(ws));
}
cb(ws, req);
}
}
module.exports = WebSocketServer;
/**
* Add event listeners on an `EventEmitter` using a map of <event, listener>
* pairs.
*
* @param {EventEmitter} server The event emitter
* @param {Object.<String, Function>} map The listeners to add
* @return {Function} A function that will remove the added listeners when
* called
* @private
*/
function addListeners(server, map) {
for (const event of Object.keys(map)) server.on(event, map[event]);
return function removeListeners() {
for (const event of Object.keys(map)) {
server.removeListener(event, map[event]);
}
};
}
/**
* Emit a `'close'` event on an `EventEmitter`.
*
* @param {EventEmitter} server The event emitter
* @private
*/
function emitClose(server) {
server._state = CLOSED;
server.emit('close');
}
/**
* Handle premature socket errors.
*
* @private
*/
function socketOnError() {
this.destroy();
}
/**
* Close the connection when preconditions are not fulfilled.
*
* @param {(net.Socket|tls.Socket)} socket The socket of the upgrade request
* @param {Number} code The HTTP response status code
* @param {String} [message] The HTTP response body
* @param {Object} [headers] Additional HTTP response headers
* @private
*/
function abortHandshake(socket, code, message, headers) {
if (socket.writable) {
message = message || http.STATUS_CODES[code];
headers = {
Connection: 'close',
'Content-Type': 'text/html',
'Content-Length': Buffer.byteLength(message),
...headers
};
socket.write(
`HTTP/1.1 ${code} ${http.STATUS_CODES[code]}\r\n` +
Object.keys(headers)
.map((h) => `${h}: ${headers[h]}`)
.join('\r\n') +
'\r\n\r\n' +
message
);
}
socket.removeListener('error', socketOnError);
socket.destroy();
}
/**
* Remove whitespace characters from both ends of a string.
*
* @param {String} str The string
* @return {String} A new string representing `str` stripped of whitespace
* characters from both its beginning and end
* @private
*/
function trim(str) {
return str.trim();
}

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{
"name": "ws",
"version": "7.5.11",
"description": "Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js",
"keywords": [
"HyBi",
"Push",
"RFC-6455",
"WebSocket",
"WebSockets",
"real-time"
],
"homepage": "https://github.com/websockets/ws",
"bugs": "https://github.com/websockets/ws/issues",
"repository": "websockets/ws",
"author": "Einar Otto Stangvik <einaros@gmail.com> (http://2x.io)",
"license": "MIT",
"main": "index.js",
"browser": "browser.js",
"engines": {
"node": ">=8.3.0"
},
"files": [
"browser.js",
"index.js",
"lib/*.js"
],
"scripts": {
"test": "nyc --reporter=lcov --reporter=text mocha --throw-deprecation test/*.test.js",
"integration": "mocha --throw-deprecation test/*.integration.js",
"lint": "eslint --ignore-path .gitignore . && prettier --check --ignore-path .gitignore \"**/*.{json,md,yaml,yml}\""
},
"peerDependencies": {
"bufferutil": "^4.0.1",
"utf-8-validate": "^5.0.2"
},
"peerDependenciesMeta": {
"bufferutil": {
"optional": true
},
"utf-8-validate": {
"optional": true
}
},
"devDependencies": {
"benchmark": "^2.1.4",
"bufferutil": "^4.0.1",
"eslint": "^7.2.0",
"eslint-config-prettier": "^8.1.0",
"eslint-plugin-prettier": "^4.0.0",
"mocha": "^7.0.0",
"nyc": "^15.0.0",
"prettier": "^2.0.5",
"utf-8-validate": "^5.0.2"
}
}