How to use defineIteratorMethods method in wpt

Best JavaScript code snippet using wpt

getCallStackFrames.spec.js

Source:getCallStackFrames.spec.js

1/* This Source Code Form is subject to the terms of the Mozilla Public2 * License, v. 2.0. If a copy of the MPL was not distributed with this3 * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */4import { getCallStackFrames } from "../getCallStackFrames";5import { pullAt } from "lodash";6import { insertResources, createInitial } from "../../utils/resource";7describe("getCallStackFrames selector", () => {8  describe("library annotation", () => {9    it("annotates React frames", () => {10      const state = {11        frames: [12          { location: { sourceId: "source1" } },13          { location: { sourceId: "source2" } },14          { location: { sourceId: "source2" } },15        ],16        sources: insertResources(createInitial(), [17          { id: "source1", url: "webpack:///src/App.js" },18          {19            id: "source2",20            url:21              "webpack:///foo/node_modules/react-dom/lib/ReactCompositeComponent.js",22          },23        ]),24        selectedSource: {25          id: "sourceId-originalSource",26          isOriginal: true,27        },28      };29      const frames = getCallStackFrames.resultFunc(30        state.frames,31        state.sources,32        state.selectedSource,33        true34      );35      expect(frames[0]).not.toHaveProperty("library");36      expect(frames[1]).toHaveProperty("library", "React");37      expect(frames[2]).toHaveProperty("library", "React");38    });39    // Multiple Babel async frame groups occur when you have an async function40    // calling another async function (a common case).41    //42    // There are two possible frame groups that can occur depending on whether43    // one sets a breakpoint before or after an await44    it("annotates frames related to Babel async transforms", () => {45      const preAwaitGroup = [46        {47          displayName: "asyncAppFunction",48          location: { sourceId: "bundle" },49        },50        {51          displayName: "tryCatch",52          location: { sourceId: "regenerator" },53        },54        {55          displayName: "invoke",56          location: { sourceId: "regenerator" },57        },58        {59          displayName: "defineIteratorMethods/</prototype[method]",60          location: { sourceId: "regenerator" },61        },62        {63          displayName: "step",64          location: { sourceId: "bundle" },65        },66        {67          displayName: "_asyncToGenerator/</<",68          location: { sourceId: "bundle" },69        },70        {71          displayName: "Promise",72          location: { sourceId: "promise" },73        },74        {75          displayName: "_asyncToGenerator/<",76          location: { sourceId: "bundle" },77        },78        {79          displayName: "asyncAppFunction",80          location: { sourceId: "app" },81        },82      ];83      const postAwaitGroup = [84        {85          displayName: "asyncAppFunction",86          location: { sourceId: "bundle" },87        },88        {89          displayName: "tryCatch",90          location: { sourceId: "regenerator" },91        },92        {93          displayName: "invoke",94          location: { sourceId: "regenerator" },95        },96        {97          displayName: "defineIteratorMethods/</prototype[method]",98          location: { sourceId: "regenerator" },99        },100        {101          displayName: "step",102          location: { sourceId: "bundle" },103        },104        {105          displayName: "step/<",106          location: { sourceId: "bundle" },107        },108        {109          displayName: "run",110          location: { sourceId: "bundle" },111        },112        {113          displayName: "notify/<",114          location: { sourceId: "bundle" },115        },116        {117          displayName: "flush",118          location: { sourceId: "microtask" },119        },120      ];121      const state = {122        frames: [...preAwaitGroup, ...postAwaitGroup],123        sources: insertResources(createInitial(), [124          { id: "app", url: "webpack///app.js" },125          { id: "bundle", url: "https://foo.com/bundle.js" },126          {127            id: "regenerator",128            url: "webpack:///foo/node_modules/regenerator-runtime/runtime.js",129          },130          {131            id: "microtask",132            url: "webpack:///foo/node_modules/core-js/modules/_microtask.js",133          },134          {135            id: "promise",136            url: "webpack///foo/node_modules/core-js/modules/es6.promise.js",137          },138        ]),139        selectedSource: {140          id: "sourceId-originalSource",141          isOriginal: true,142        },143      };144      const frames = getCallStackFrames.resultFunc(145        state.frames,146        state.sources,147        state.selectedSource148      );149      const babelFrames = pullAt(frames, [150        1,151        2,152        3,153        4,154        5,155        6,156        7,157        8,158        10,159        11,160        12,161        13,162        14,163        15,164        16,165        17,166      ]);167      const otherFrames = frames;168      expect(babelFrames).toEqual(169        Array(babelFrames.length).fill(170          expect.objectContaining({ library: "Babel" })171        )172      );173      expect(otherFrames).not.toEqual(174        Array(babelFrames.length).fill(175          expect.objectContaining({ library: "Babel" })176        )177      );178    });179  });...

Using AI Code Generation

1var test = async_test();2test.step(function() {3  var iterable = {};4  Object.defineProperty(iterable, Symbol.iterator, {5    get: function() {6      test.done();7    }8  });9  Array.prototype.values.call(iterable);10});

Using AI Code Generation

1defineIteratorMethods(Iterator.prototype);2function defineIteratorMethods(prototype) {3    ['keys', 'values', 'entries', Symbol.iterator].forEach(function (k) {4        if (!(k in prototype))5            Object.defineProperty(prototype, k, {6                value: function () {7                    return this;8                }9            });10    });11}12function Iterator() {13    throw new TypeError('Bad constructor');14}15Iterator.prototype = {};16Object.defineProperty(Iterator.prototype, Symbol.iterator, {17    value: function () {18        return this;19    }20});21Iterator.prototype.next = function () {22    return { value: undefined, done: true };23};24Iterator.prototype[Symbol.toStringTag] = 'Iterator';25function ArrayIterator(array, kind) {26    this.i = 0;27    this.array = array;28    this.kind = kind;29}30ArrayIterator.prototype = Object.create(Iterator.prototype);31Object.defineProperty(ArrayIterator.prototype, Symbol.toStringTag, {32});33ArrayIterator.prototype.next = function () {34    var i = this.i, array = this.array, kind = this.kind;35    if (!(this instanceof ArrayIterator))36        throw new TypeError('Not an ArrayIterator');37    if (typeof array != 'object')38        throw new TypeError('Not an object');39    if (array === null)40        throw new TypeError('is null');41    if (i >= array.length) {42        this.array = undefined;43        return { value: undefined, done: true };44    }45    var value;46    if (kind == 'key')47        value = i;48    else if (kind == 'value')49        value = array[i];50    else if (kind == 'entry')51        value = [i, array[i]];52    this.i = i + 1;53    return { value: value, done: false };54};

Using AI Code Generation

1var wpt = require('web-platform-test');2var assert = require('assert');3wpt.defineIteratorMethods(Array.prototype);4var a = [1, 2, 3];5var i = 0;6for (var v of a) {7  assert(v === a[i]);8  i++;9}

Using AI Code Generation

1defineIteratorMethods();2test(function(){3  assert_true(true);4});5async_test(function(t){6  t.step(function(){7    assert_true(true);8    t.done();9  });10});

Using AI Code Generation

1function defineIteratorMethods(prototype) {2    prototype[Symbol.iterator] = function() {3        return this;4    };5}6function testIteratorMethod(prototype, method, args, value, done, description) {7    var iterator = Object.create(prototype);8    var result = iterator[method].apply(iterator, args);9    assert_equals(result.value, value, "Iterator result value " + description);10    assert_equals(result.done, done, "Iterator result done " + description);11}12function testIteratorNextMethod(prototype, args, value, done, description) {13    testIteratorMethod(prototype, "next", args, value, done, description);14}15function testIteratorReturnMethod(prototype, args, value, done, description) {16    testIteratorMethod(prototype, "return", args, value, done, description);17}18function testIteratorThrowMethod(prototype, args, value, done, description) {19    testIteratorMethod(prototype, "throw", args, value, done, description);20}21function testIteratorClose(iterator, value, done) {22    testIteratorReturnMethod(iterator, [], value, done, "with no argument");23    testIteratorReturnMethod(iterator, [undefined], value, done, "with undefined");24    testIteratorReturnMethod(iterator, [null], value, done, "with null");25    testIteratorReturnMethod(iterator, [{}], value, done, "with an object");26    testIteratorReturnMethod(iterator, [42], value, done, "with a number");27    testIteratorReturnMethod(iterator, ["test"], value, done, "with a string");28    testIteratorReturnMethod(iterator, [true], value, done, "with true");29    testIteratorReturnMethod(iterator, [false], value, done, "with false");30    testIteratorReturnMethod(iterator, [Symbol.iterator], value, done, "with Symbol.iterator");31}32function testIteratorClosing(prototype) {33    var iterator = Object.create(prototype);34    var result;35    testIteratorClose(iterator, undefined, true);36    result = iterator.next();37    assert_equals(result.value, undefined, "Iterator result value after closing");38    assert_equals(result.done, true, "Iterator result done after closing");39}40function testIteratorClosingThrow(prototype) {41    var iterator = Object.create(prototype);42    var error = new Error("test");43    var result;44    testIteratorReturnMethod(iterator, [error], error, true, "with

Using AI Code Generation

1var wptextpattern = require('./wptextpattern');2var wp = new wptextpattern();3wp.defineIteratorMethods();4var str = "Hello world";5for (var i of str) {6  console.log(i);7}81. Fork it (

Using AI Code Generation

1var wpt = require('web-platform-test');2var assert = require('assert');3var util = require('util');4var fs = require('fs');5var path = require('path');6var iter = require('../lib/iter');7var test = wpt.test;8var assert_equals = wpt.assert_equals;9var assert_true = wpt.assert_true;10var assert_false = wpt.assert_false;11var assert_throws = wpt.assert_throws;12var assert_array_equals = wpt.assert_array_equals;13var assert_class_string = wpt.assert_class_string;14var assert_own_property = wpt.assert_own_property;15var assert_idl_attribute = wpt.assert_idl_attribute;16var assert_readonly = wpt.assert_readonly;17var assert_not_equals = wpt.assert_not_equals;18var assert_in_array = wpt.assert_in_array;19var assert_throws_dom = wpt.assert_throws_dom;20var assert_any = wpt.assert_any;21var assert_unreached = wpt.assert_unreached;22var assert_approx_equals = wpt.assert_approx_equals;23var assert_less_than = wpt.assert_less_than;24var assert_greater_than = wpt.assert_greater_than;25var assert_regexp_match = wpt.assert_regexp_match;26var assert_regexp_not_match = wpt.assert_regexp_not_match;27var assert_same_value = wpt.assert_same_value;28var assert_equals_any = wpt.assert_equals_any;29var assert_object_equals = wpt.assert_object_equals;30var assert_array_approx_equals = wpt.assert_array_approx_equals;31var assert_any_array_approx_equals = wpt.assert_any_array_approx_equals;32var assert_array_equals_any = wpt.assert_array_equals_any;33var assert_any_array_equals = wpt.assert_any_array_equals;34var assert_array_not_equals = wpt.assert_array_not_equals;35var assert_any_array_not_equals = wpt.assert_any_array_not_equals;36var assert_true_any = wpt.assert_true_any;37var assert_false_any = wpt.assert_false_any;38var assert_greater_than_any = wpt.assert_greater_than_any;39var assert_less_than_any = wpt.assert_less_than_any;40var assert_approx_equals_any = wpt.assert_approx_equals_any;41var assert_any_approx_equals = wpt.assert_any_approx_equals;42var assert_any_array_approx_equals_any = wpt.assert_any_array_approx_equals_any;43var assert_any_array_equals_any = wpt.assert_any_array_equals_any;

Using AI Code Generation

1function defineIteratorMethods(Constructor) {2  var symbol = Constructor[Symbol.species];3  if (symbol && typeof symbol == 'function') {4    var methods = Constructor.prototype;5    var key;6    for (key in methods) {7      if (key.endsWith('Iterator') && methods[key] === Array.prototype[key]) {8        Constructor[key] = methods[key];9      }10    }11  }12}13defineIteratorMethods(Map);14function test() {15  var map = new Map();16  var key1 = {};17  var key2 = {};18  map.set(key1, 1);19  map.set(key2, 2);20  var iter = map.keys();21  assert_equals(iter.next().value, key1);22  assert_equals(iter.next().value, key2);23  assert_equals(iter.next().done, true);24  assert_equals(iter.next().done, true);25  iter = map.values();26  assert_equals(iter.next().value, 1);27  assert_equals(iter.next().value, 2);28  assert_equals(iter.next().done, true);29  assert_equals(iter.next().done, true);30  iter = map.entries();31  assert_equals(iter.next().value[0], key1);32  assert_equals(iter.next().value[0], key2);33  assert_equals(iter.next().done, true);34  assert_equals(iter.next().done, true);35  iter = map[Symbol.iterator]();36  assert_equals(iter.next().value[0], key1);37  assert_equals(iter.next().value[0], key2);38  assert_equals(iter.next().done, true);39  assert_equals(iter.next().done, true);40}41test();

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