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How to use unhandled method in wpt

Best JavaScript code snippet using wpt

promises.js

Source:promises.js

1'use strict';2const { Object } = primordials;3const {4  tickInfo,5  promiseRejectEvents: {6    kPromiseRejectWithNoHandler,7    kPromiseHandlerAddedAfterReject,8    kPromiseResolveAfterResolved,9    kPromiseRejectAfterResolved10  },11  setPromiseRejectCallback12} = internalBinding('task_queue');13const {14  noSideEffectsToString,15  triggerUncaughtException16} = internalBinding('errors');17// *Must* match Environment::TickInfo::Fields in src/env.h.18const kHasRejectionToWarn = 1;19const maybeUnhandledPromises = new WeakMap();20const pendingUnhandledRejections = [];21const asyncHandledRejections = [];22let lastPromiseId = 0;23// --unhandled-rejection=none:24// Emit 'unhandledRejection', but do not emit any warning.25const kIgnoreUnhandledRejections = 0;26// --unhandled-rejection=warn:27// Emit 'unhandledRejection', then emit 'UnhandledPromiseRejectionWarning'.28const kAlwaysWarnUnhandledRejections = 1;29// --unhandled-rejection=strict:30// Emit 'uncaughtException'. If it's not handled, print the error to stderr31// and exit the process.32// Otherwise, emit 'unhandledRejection'. If 'unhandledRejection' is not33// handled, emit 'UnhandledPromiseRejectionWarning'.34const kThrowUnhandledRejections = 2;35// --unhandled-rejection is unset:36// Emit 'unhandledRejection', if it's handled, emit37// 'UnhandledPromiseRejectionWarning', then emit deprecation warning.38const kDefaultUnhandledRejections = 3;39let unhandledRejectionsMode;40function setHasRejectionToWarn(value) {41  tickInfo[kHasRejectionToWarn] = value ? 1 : 0;42}43function hasRejectionToWarn() {44  return tickInfo[kHasRejectionToWarn] === 1;45}46function getUnhandledRejectionsMode() {47  const { getOptionValue } = require('internal/options');48  switch (getOptionValue('--unhandled-rejections')) {49    case 'none':50      return kIgnoreUnhandledRejections;51    case 'warn':52      return kAlwaysWarnUnhandledRejections;53    case 'strict':54      return kThrowUnhandledRejections;55    default:56      return kDefaultUnhandledRejections;57  }58}59function promiseRejectHandler(type, promise, reason) {60  if (unhandledRejectionsMode === undefined) {61    unhandledRejectionsMode = getUnhandledRejectionsMode();62  }63  switch (type) {64    case kPromiseRejectWithNoHandler:65      unhandledRejection(promise, reason);66      break;67    case kPromiseHandlerAddedAfterReject:68      handledRejection(promise);69      break;70    case kPromiseResolveAfterResolved:71      resolveError('resolve', promise, reason);72      break;73    case kPromiseRejectAfterResolved:74      resolveError('reject', promise, reason);75      break;76  }77}78function resolveError(type, promise, reason) {79  // We have to wrap this in a next tick. Otherwise the error could be caught by80  // the executed promise.81  process.nextTick(() => {82    process.emit('multipleResolves', type, promise, reason);83  });84}85function unhandledRejection(promise, reason) {86  maybeUnhandledPromises.set(promise, {87    reason,88    uid: ++lastPromiseId,89    warned: false90  });91  // This causes the promise to be referenced at least for one tick.92  pendingUnhandledRejections.push(promise);93  setHasRejectionToWarn(true);94}95function handledRejection(promise) {96  const promiseInfo = maybeUnhandledPromises.get(promise);97  if (promiseInfo !== undefined) {98    maybeUnhandledPromises.delete(promise);99    if (promiseInfo.warned) {100      const { uid } = promiseInfo;101      // Generate the warning object early to get a good stack trace.102      // eslint-disable-next-line no-restricted-syntax103      const warning = new Error('Promise rejection was handled ' +104                                `asynchronously (rejection id: ${uid})`);105      warning.name = 'PromiseRejectionHandledWarning';106      warning.id = uid;107      asyncHandledRejections.push({ promise, warning });108      setHasRejectionToWarn(true);109      return;110    }111  }112  setHasRejectionToWarn(false);113}114const unhandledRejectionErrName = 'UnhandledPromiseRejectionWarning';115function emitUnhandledRejectionWarning(uid, reason) {116  const warning = getErrorWithoutStack(117    unhandledRejectionErrName,118    'Unhandled promise rejection. This error originated either by ' +119      'throwing inside of an async function without a catch block, ' +120      'or by rejecting a promise which was not handled with .catch(). ' +121      `(rejection id: ${uid})`122  );123  try {124    if (reason instanceof Error) {125      warning.stack = reason.stack;126      process.emitWarning(reason.stack, unhandledRejectionErrName);127    } else {128      process.emitWarning(129        noSideEffectsToString(reason), unhandledRejectionErrName);130    }131  } catch {}132  process.emitWarning(warning);133}134let deprecationWarned = false;135function emitDeprecationWarning() {136  process.emitWarning(137    'Unhandled promise rejections are deprecated. In the future, ' +138    'promise rejections that are not handled will terminate the ' +139    'Node.js process with a non-zero exit code.',140    'DeprecationWarning', 'DEP0018');141}142// If this method returns true, we've executed user code or triggered143// a warning to be emitted which requires the microtask and next tick144// queues to be drained again.145function processPromiseRejections() {146  let maybeScheduledTicksOrMicrotasks = asyncHandledRejections.length > 0;147  while (asyncHandledRejections.length > 0) {148    const { promise, warning } = asyncHandledRejections.shift();149    if (!process.emit('rejectionHandled', promise)) {150      process.emitWarning(warning);151    }152  }153  let len = pendingUnhandledRejections.length;154  while (len--) {155    const promise = pendingUnhandledRejections.shift();156    const promiseInfo = maybeUnhandledPromises.get(promise);157    if (promiseInfo === undefined) {158      continue;159    }160    promiseInfo.warned = true;161    const { reason, uid } = promiseInfo;162    switch (unhandledRejectionsMode) {163      case kThrowUnhandledRejections: {164        const err = reason instanceof Error ?165          reason : generateUnhandledRejectionError(reason);166        triggerUncaughtException(err, true /* fromPromise */);167        const handled = process.emit('unhandledRejection', reason, promise);168        if (!handled) emitUnhandledRejectionWarning(uid, reason);169        break;170      }171      case kIgnoreUnhandledRejections: {172        process.emit('unhandledRejection', reason, promise);173        break;174      }175      case kAlwaysWarnUnhandledRejections: {176        process.emit('unhandledRejection', reason, promise);177        emitUnhandledRejectionWarning(uid, reason);178        break;179      }180      case kDefaultUnhandledRejections: {181        const handled = process.emit('unhandledRejection', reason, promise);182        if (!handled) {183          emitUnhandledRejectionWarning(uid, reason);184          if (!deprecationWarned) {185            emitDeprecationWarning();186            deprecationWarned = true;187          }188        }189        break;190      }191    }192    maybeScheduledTicksOrMicrotasks = true;193  }194  return maybeScheduledTicksOrMicrotasks ||195         pendingUnhandledRejections.length !== 0;196}197function getErrorWithoutStack(name, message) {198  // Reset the stack to prevent any overhead.199  const tmp = Error.stackTraceLimit;200  Error.stackTraceLimit = 0;201  // eslint-disable-next-line no-restricted-syntax202  const err = new Error(message);203  Error.stackTraceLimit = tmp;204  Object.defineProperty(err, 'name', {205    value: name,206    enumerable: false,207    writable: true,208    configurable: true,209  });210  return err;211}212function generateUnhandledRejectionError(reason) {213  const message =214    'This error originated either by ' +215    'throwing inside of an async function without a catch block, ' +216    'or by rejecting a promise which was not handled with .catch().' +217    ' The promise rejected with the reason ' +218    `"${noSideEffectsToString(reason)}".`;219  const err = getErrorWithoutStack('UnhandledPromiseRejection', message);220  err.code = 'ERR_UNHANDLED_REJECTION';221  return err;222}223function listenForRejections() {224  setPromiseRejectCallback(promiseRejectHandler);225}226module.exports = {227  hasRejectionToWarn,228  setHasRejectionToWarn,229  listenForRejections,230  processPromiseRejections...

Using AI Code Generation

1var wpt = require('webpagetest');2var test = wpt('www.webpagetest.org');3  if (err) {4    console.log(err);5  } else {6    console.log(data);7  }8});

Using AI Code Generation

1var wpt = require('wpt');2    if (err) {3        console.log(err);4    } else {5        console.log(data);6    }7});8var wpt = require('wpt');9    if (err) {10        console.log(err);11    } else {12        console.log(data);13    }14});15var wpt = require('wpt');16    if (err) {17        console.log(err);18    } else {19        console.log(data);20    }21});22var wpt = require('wpt');23    if (err) {24        console.log(err);25    } else {26        console.log(data);27    }28});29var wpt = require('wpt');30    if (err) {31        console.log(err);32    } else {33        console.log(data);34    }35});36var wpt = require('wpt');37    if (err) {38        console.log(err);39    } else {40        console.log(data);41    }42});43var wpt = require('wpt');44    if (err) {45        console.log(err);46    } else {47        console.log(data);48    }49});50var wpt = require('wpt');

Using AI Code Generation

1var wikipedia = require("node-wikipedia");2wikipedia.page.data("Barack_Obama", {content: true}, function(response) {3    console.log(response);4});5var wiki = require('wikijs').default;6wiki().page('Barack Obama').then(page => page.content()).then(content => console.log(content));7var wiki = require('wikijs').default;8wiki().page('Barack Obama').then(function(page) {9    return page.content();10}).then(function(content) {11    console.log(content);12});13var wiki = require('wikijs').default;14async function getBarackObamaContent() {15    const page = await wiki().page('Barack Obama');16    const content = await page.content();17    console.log(content);18}19getBarackObamaContent();20var wiki = require('wikijs').default;21async function getBarackObamaContent() {22    const page = await wiki().page('Barack Obama');23    return page.content();24}25getBarackObamaContent().then(function(content) {26    console.log(content);27});28var wiki = require('wikijs').default;29async function getBarackObamaContent() {30    const page = await wiki().page('Barack Obama');31    return page.content();32}33getBarackObamaContent().then(function(content) {34    console.log(content);35});36var wiki = require('wikijs').default;37async function getBarackObamaContent() {38    const page = await wiki().page('Barack Obama');39    return page.content();40}41getBarackObamaContent().then(function(content) {42    console.log(content);43});

Using AI Code Generation

1const wptools = require('wptools');2wptools.page('Albert Einstein').then(function(page) {3    page.get().then(function(data) {4        console.log(data);5    })6});7const wptools = require('wptools');8wptools.page('Albert Einstein').then(function(page) {9    page.get().then(function(data) {10        console.log(data);11    })12});13const wptools = require('wptools');14wptools.page('Albert Einstein').then(function(page) {15    page.get().then(function(data) {16        console.log(data);17    })18});19const wptools = require('wptools');20wptools.page('Albert Einstein').then(function(page) {21    page.get().then(function(data) {22        console.log(data);23    })24});25const wptools = require('wptools');26wptools.page('Albert Einstein').then(function(page) {27    page.get().then(function(data) {28        console.log(data);29    })30});31const wptools = require('wptools');32wptools.page('Albert Einstein').then(function(page) {33    page.get().then(function(data) {34        console.log(data);35    })36});37const wptools = require('wptools');38wptools.page('Albert Einstein').then(function(page) {39    page.get().then(function(data) {40        console.log(data);41    })42});43const wptools = require('wptools');44wptools.page('Albert Einstein').then(function(page) {45    page.get().then(function(data) {46        console.log(data);47    })48});49const wptools = require('wptools');50wptools.page('Albert Einstein').then(function(page) {

Using AI Code Generation

1var wptrunner = require('wptrunner');2var unhandled = wptrunner.unhandled;3unhandled(function(err) {4  console.log(err);5});6wptrunner is licensed under the [MIT License](

Using AI Code Generation

1var wpt = require('webpagetest');2var test = new wpt('API_KEY');3    if (err) return console.error(err);4    console.log(data);5});6var wpt = require('webpagetest');7var test = new wpt('API_KEY');8    if (err) return console.error(err);9    console.log(data);10});11var wpt = require('webpagetest');12var test = new wpt('API_KEY');13test.getLocations(function(err, data) {14    if (err) return console.error(err);15    console.log(data);16});17var wpt = require('webpagetest');18var test = new wpt('API_KEY');19test.getLocations({f: 'json'}, function(err, data) {20    if (err) return console.error(err);21    console.log(data);22});23var wpt = require('webpagetest');24var test = new wpt('API_KEY');25test.getTesters(function(err, data) {26    if (err) return console.error(err);27    console.log(data);28});

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