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How to use firstWritePromise method in wpt

Best JavaScript code snippet using wpt

flow-control.js

Source:flow-control.js

1'use strict';2if (self.importScripts) {3  self.importScripts('/resources/testharness.js');4  self.importScripts('../resources/test-utils.js');5  self.importScripts('../resources/rs-utils.js');6  self.importScripts('../resources/recording-streams.js');7}8const error1 = new Error('error1!');9error1.name = 'error1';10promise_test(t => {11  const rs = recordingReadableStream({12    start(controller) {13      controller.enqueue('a');14      controller.enqueue('b');15      controller.close();16    }17  });18  const ws = recordingWritableStream(undefined, new CountQueuingStrategy({ highWaterMark: 0 }));19  const pipePromise = rs.pipeTo(ws, { preventCancel: true });20  // Wait and make sure it doesn't do any reading.21  return flushAsyncEvents().then(() => {22    ws.controller.error(error1);23  })24  .then(() => promise_rejects(t, error1, pipePromise, 'pipeTo must reject with the same error'))25  .then(() => {26    assert_array_equals(rs.eventsWithoutPulls, []);27    assert_array_equals(ws.events, []);28  })29  .then(() => readableStreamToArray(rs))30  .then(chunksNotPreviouslyRead => {31    assert_array_equals(chunksNotPreviouslyRead, ['a', 'b']);32  });33}, 'Piping from a non-empty ReadableStream into a WritableStream that does not desire chunks');34promise_test(() => {35  const rs = recordingReadableStream({36    start(controller) {37      controller.enqueue('b');38      controller.close();39    }40  });41  let resolveWritePromise;42  const ws = recordingWritableStream({43    write() {44      if (!resolveWritePromise) {45        // first write46        return new Promise(resolve => {47          resolveWritePromise = resolve;48        });49      }50      return undefined;51    }52  });53  const writer = ws.getWriter();54  const firstWritePromise = writer.write('a');55  assert_equals(writer.desiredSize, 0, 'after writing the writer\'s desiredSize must be 0');56  writer.releaseLock();57  // firstWritePromise won't settle until we call resolveWritePromise.58  const pipePromise = rs.pipeTo(ws);59  return flushAsyncEvents().then(() => resolveWritePromise())60    .then(() => Promise.all([firstWritePromise, pipePromise]))61    .then(() => {62      assert_array_equals(rs.eventsWithoutPulls, []);63      assert_array_equals(ws.events, ['write', 'a', 'write', 'b', 'close']);64    });65}, 'Piping from a non-empty ReadableStream into a WritableStream that does not desire chunks, but then does');66promise_test(() => {67  const rs = recordingReadableStream();68  const startPromise = Promise.resolve();69  let resolveWritePromise;70  const ws = recordingWritableStream({71    start() {72      return startPromise;73    },74    write() {75      if (!resolveWritePromise) {76        // first write77        return new Promise(resolve => {78          resolveWritePromise = resolve;79        });80      }81      return undefined;82    }83  });84  const writer = ws.getWriter();85  writer.write('a');86  return startPromise.then(() => {87    assert_array_equals(ws.events, ['write', 'a']);88    assert_equals(writer.desiredSize, 0, 'after writing the writer\'s desiredSize must be 0');89    writer.releaseLock();90    const pipePromise = rs.pipeTo(ws);91    rs.controller.enqueue('b');92    resolveWritePromise();93    rs.controller.close();94    return pipePromise.then(() => {95      assert_array_equals(rs.eventsWithoutPulls, []);96      assert_array_equals(ws.events, ['write', 'a', 'write', 'b', 'close']);97    });98  });99}, 'Piping from an empty ReadableStream into a WritableStream that does not desire chunks, but then the readable ' +100   'stream becomes non-empty and the writable stream starts desiring chunks');101promise_test(() => {102  const unreadChunks = ['b', 'c', 'd'];103  const rs = recordingReadableStream({104    pull(controller) {105      controller.enqueue(unreadChunks.shift());106      if (unreadChunks.length === 0) {107        controller.close();108      }109    }110  }, new CountQueuingStrategy({ highWaterMark: 0 }));111  let resolveWritePromise;112  const ws = recordingWritableStream({113    write() {114      if (!resolveWritePromise) {115        // first write116        return new Promise(resolve => {117          resolveWritePromise = resolve;118        });119      }120      return undefined;121    }122  }, new CountQueuingStrategy({ highWaterMark: 3 }));123  const writer = ws.getWriter();124  const firstWritePromise = writer.write('a');125  assert_equals(writer.desiredSize, 2, 'after writing the writer\'s desiredSize must be 2');126  writer.releaseLock();127  // firstWritePromise won't settle until we call resolveWritePromise.128  const pipePromise = rs.pipeTo(ws);129  return flushAsyncEvents().then(() => {130    assert_array_equals(ws.events, ['write', 'a']);131    assert_equals(unreadChunks.length, 1, 'chunks should continue to be enqueued until the HWM is reached');132  }).then(() => resolveWritePromise())133    .then(() => Promise.all([firstWritePromise, pipePromise]))134    .then(() => {135      assert_array_equals(rs.events, ['pull', 'pull', 'pull']);136      assert_array_equals(ws.events, ['write', 'a', 'write', 'b','write', 'c','write', 'd', 'close']);137    });138}, 'Piping from a ReadableStream to a WritableStream that desires more chunks before finishing with previous ones');139class StepTracker {140  constructor() {141    this.waiters = [];142    this.wakers = [];143  }144  // Returns promise which resolves when step `n` is reached. Also schedules step n + 1 to happen shortly after the145  // promise is resolved.146  waitThenAdvance(n) {147    if (this.waiters[n] === undefined) {148      this.waiters[n] = new Promise(resolve => {149        this.wakers[n] = resolve;150      });151      this.waiters[n]152          .then(() => flushAsyncEvents())153          .then(() => {154            if (this.wakers[n + 1] !== undefined) {155              this.wakers[n + 1]();156            }157          });158    }159    if (n == 0) {160      this.wakers[0]();161    }162    return this.waiters[n];163  }164}165promise_test(() => {166  const steps = new StepTracker();167  const desiredSizes = [];168  const rs = recordingReadableStream({169    start(controller) {170      steps.waitThenAdvance(1).then(() => enqueue('a'));171      steps.waitThenAdvance(3).then(() => enqueue('b'));172      steps.waitThenAdvance(5).then(() => enqueue('c'));173      steps.waitThenAdvance(7).then(() => enqueue('d'));174      steps.waitThenAdvance(11).then(() => controller.close());175      function enqueue(chunk) {176        controller.enqueue(chunk);177        desiredSizes.push(controller.desiredSize);178      }179    }180  });181  const chunksFinishedWriting = [];182  const writableStartPromise = Promise.resolve();183  let writeCalled = false;184  const ws = recordingWritableStream({185    start() {186      return writableStartPromise;187    },188    write(chunk) {189      const waitForStep = writeCalled ? 12 : 9;190      writeCalled = true;191      return steps.waitThenAdvance(waitForStep).then(() => {192        chunksFinishedWriting.push(chunk);193      });194    }195  });196  return writableStartPromise.then(() => {197    const pipePromise = rs.pipeTo(ws);198    steps.waitThenAdvance(0);199    return Promise.all([200      steps.waitThenAdvance(2).then(() => {201        assert_array_equals(chunksFinishedWriting, [], 'at step 2, zero chunks must have finished writing');202        assert_array_equals(ws.events, ['write', 'a'], 'at step 2, one chunk must have been written');203        // When 'a' (the very first chunk) was enqueued, it was immediately used to fulfill the outstanding read request204        // promise, leaving the queue empty.205        assert_array_equals(desiredSizes, [1],206                            'at step 2, the desiredSize at the last enqueue (step 1) must have been 1');207        assert_equals(rs.controller.desiredSize, 1, 'at step 2, the current desiredSize must be 1');208      }),209      steps.waitThenAdvance(4).then(() => {210        assert_array_equals(chunksFinishedWriting, [], 'at step 4, zero chunks must have finished writing');211        assert_array_equals(ws.events, ['write', 'a'], 'at step 4, one chunk must have been written');212        // When 'b' was enqueued at step 3, the queue was also empty, since immediately after enqueuing 'a' at213        // step 1, it was dequeued in order to fulfill the read() call that was made at step 0. Thus the queue214        // had size 1 (thus desiredSize of 0).215        assert_array_equals(desiredSizes, [1, 0],216                            'at step 4, the desiredSize at the last enqueue (step 3) must have been 0');217        assert_equals(rs.controller.desiredSize, 0, 'at step 4, the current desiredSize must be 0');218      }),219      steps.waitThenAdvance(6).then(() => {220        assert_array_equals(chunksFinishedWriting, [], 'at step 6, zero chunks must have finished writing');221        assert_array_equals(ws.events, ['write', 'a'], 'at step 6, one chunk must have been written');222        // When 'c' was enqueued at step 5, the queue was not empty; it had 'b' in it, since 'b' will not be read until223        // the first write completes at step 9. Thus, the queue size is 2 after enqueuing 'c', giving a desiredSize of224        // -1.225        assert_array_equals(desiredSizes, [1, 0, -1],226                            'at step 6, the desiredSize at the last enqueue (step 5) must have been -1');227        assert_equals(rs.controller.desiredSize, -1, 'at step 6, the current desiredSize must be -1');228      }),229      steps.waitThenAdvance(8).then(() => {230        assert_array_equals(chunksFinishedWriting, [], 'at step 8, zero chunks must have finished writing');231        assert_array_equals(ws.events, ['write', 'a'], 'at step 8, one chunk must have been written');232        // When 'd' was enqueued at step 7, the situation is the same as before, leading to a queue containing 'b', 'c',233        // and 'd'.234        assert_array_equals(desiredSizes, [1, 0, -1, -2],235                            'at step 8, the desiredSize at the last enqueue (step 7) must have been -2');236        assert_equals(rs.controller.desiredSize, -2, 'at step 8, the current desiredSize must be -2');237      }),238      steps.waitThenAdvance(10).then(() => {239        assert_array_equals(chunksFinishedWriting, ['a'], 'at step 10, one chunk must have finished writing');240        assert_array_equals(ws.events, ['write', 'a', 'write', 'b'],241                            'at step 10, two chunks must have been written');242        assert_equals(rs.controller.desiredSize, -1, 'at step 10, the current desiredSize must be -1');243      }),244      pipePromise.then(() => {245        assert_array_equals(desiredSizes, [1, 0, -1, -2], 'backpressure must have been exerted at the source');246        assert_array_equals(chunksFinishedWriting, ['a', 'b', 'c', 'd'], 'all chunks finished writing');247        assert_array_equals(rs.eventsWithoutPulls, [], 'nothing unexpected should happen to the ReadableStream');248        assert_array_equals(ws.events, ['write', 'a', 'write', 'b', 'write', 'c', 'write', 'd', 'close'],249                            'all chunks were written (and the WritableStream closed)');250      })251    ]);252  });253}, 'Piping to a WritableStream that does not consume the writes fast enough exerts backpressure on the ReadableStream');...

flow-control.any.js

Source:flow-control.any.js

1// META: global=window,worker,jsshell2// META: script=../resources/test-utils.js3// META: script=../resources/rs-utils.js4// META: script=../resources/recording-streams.js5'use strict';6const error1 = new Error('error1!');7error1.name = 'error1';8promise_test(t => {9  const rs = recordingReadableStream({10    start(controller) {11      controller.enqueue('a');12      controller.enqueue('b');13      controller.close();14    }15  });16  const ws = recordingWritableStream(undefined, new CountQueuingStrategy({ highWaterMark: 0 }));17  const pipePromise = rs.pipeTo(ws, { preventCancel: true });18  // Wait and make sure it doesn't do any reading.19  return flushAsyncEvents().then(() => {20    ws.controller.error(error1);21  })22  .then(() => promise_rejects_exactly(t, error1, pipePromise, 'pipeTo must reject with the same error'))23  .then(() => {24    assert_array_equals(rs.eventsWithoutPulls, []);25    assert_array_equals(ws.events, []);26  })27  .then(() => readableStreamToArray(rs))28  .then(chunksNotPreviouslyRead => {29    assert_array_equals(chunksNotPreviouslyRead, ['a', 'b']);30  });31}, 'Piping from a non-empty ReadableStream into a WritableStream that does not desire chunks');32promise_test(() => {33  const rs = recordingReadableStream({34    start(controller) {35      controller.enqueue('b');36      controller.close();37    }38  });39  let resolveWritePromise;40  const ws = recordingWritableStream({41    write() {42      if (!resolveWritePromise) {43        // first write44        return new Promise(resolve => {45          resolveWritePromise = resolve;46        });47      }48      return undefined;49    }50  });51  const writer = ws.getWriter();52  const firstWritePromise = writer.write('a');53  assert_equals(writer.desiredSize, 0, 'after writing the writer\'s desiredSize must be 0');54  writer.releaseLock();55  // firstWritePromise won't settle until we call resolveWritePromise.56  const pipePromise = rs.pipeTo(ws);57  return flushAsyncEvents().then(() => resolveWritePromise())58    .then(() => Promise.all([firstWritePromise, pipePromise]))59    .then(() => {60      assert_array_equals(rs.eventsWithoutPulls, []);61      assert_array_equals(ws.events, ['write', 'a', 'write', 'b', 'close']);62    });63}, 'Piping from a non-empty ReadableStream into a WritableStream that does not desire chunks, but then does');64promise_test(() => {65  const rs = recordingReadableStream();66  let resolveWritePromise;67  const ws = recordingWritableStream({68    write() {69      if (!resolveWritePromise) {70        // first write71        return new Promise(resolve => {72          resolveWritePromise = resolve;73        });74      }75      return undefined;76    }77  });78  const writer = ws.getWriter();79  writer.write('a');80  return flushAsyncEvents().then(() => {81    assert_array_equals(ws.events, ['write', 'a']);82    assert_equals(writer.desiredSize, 0, 'after writing the writer\'s desiredSize must be 0');83    writer.releaseLock();84    const pipePromise = rs.pipeTo(ws);85    rs.controller.enqueue('b');86    resolveWritePromise();87    rs.controller.close();88    return pipePromise.then(() => {89      assert_array_equals(rs.eventsWithoutPulls, []);90      assert_array_equals(ws.events, ['write', 'a', 'write', 'b', 'close']);91    });92  });93}, 'Piping from an empty ReadableStream into a WritableStream that does not desire chunks, but then the readable ' +94   'stream becomes non-empty and the writable stream starts desiring chunks');95promise_test(() => {96  const unreadChunks = ['b', 'c', 'd'];97  const rs = recordingReadableStream({98    pull(controller) {99      controller.enqueue(unreadChunks.shift());100      if (unreadChunks.length === 0) {101        controller.close();102      }103    }104  }, new CountQueuingStrategy({ highWaterMark: 0 }));105  let resolveWritePromise;106  const ws = recordingWritableStream({107    write() {108      if (!resolveWritePromise) {109        // first write110        return new Promise(resolve => {111          resolveWritePromise = resolve;112        });113      }114      return undefined;115    }116  }, new CountQueuingStrategy({ highWaterMark: 3 }));117  const writer = ws.getWriter();118  const firstWritePromise = writer.write('a');119  assert_equals(writer.desiredSize, 2, 'after writing the writer\'s desiredSize must be 2');120  writer.releaseLock();121  // firstWritePromise won't settle until we call resolveWritePromise.122  const pipePromise = rs.pipeTo(ws);123  return flushAsyncEvents().then(() => {124    assert_array_equals(ws.events, ['write', 'a']);125    assert_equals(unreadChunks.length, 1, 'chunks should continue to be enqueued until the HWM is reached');126  }).then(() => resolveWritePromise())127    .then(() => Promise.all([firstWritePromise, pipePromise]))128    .then(() => {129      assert_array_equals(rs.events, ['pull', 'pull', 'pull']);130      assert_array_equals(ws.events, ['write', 'a', 'write', 'b','write', 'c','write', 'd', 'close']);131    });132}, 'Piping from a ReadableStream to a WritableStream that desires more chunks before finishing with previous ones');133class StepTracker {134  constructor() {135    this.waiters = [];136    this.wakers = [];137  }138  // Returns promise which resolves when step `n` is reached. Also schedules step n + 1 to happen shortly after the139  // promise is resolved.140  waitThenAdvance(n) {141    if (this.waiters[n] === undefined) {142      this.waiters[n] = new Promise(resolve => {143        this.wakers[n] = resolve;144      });145      this.waiters[n]146          .then(() => flushAsyncEvents())147          .then(() => {148            if (this.wakers[n + 1] !== undefined) {149              this.wakers[n + 1]();150            }151          });152    }153    if (n == 0) {154      this.wakers[0]();155    }156    return this.waiters[n];157  }158}159promise_test(() => {160  const steps = new StepTracker();161  const desiredSizes = [];162  const rs = recordingReadableStream({163    start(controller) {164      steps.waitThenAdvance(1).then(() => enqueue('a'));165      steps.waitThenAdvance(3).then(() => enqueue('b'));166      steps.waitThenAdvance(5).then(() => enqueue('c'));167      steps.waitThenAdvance(7).then(() => enqueue('d'));168      steps.waitThenAdvance(11).then(() => controller.close());169      function enqueue(chunk) {170        controller.enqueue(chunk);171        desiredSizes.push(controller.desiredSize);172      }173    }174  });175  const chunksFinishedWriting = [];176  const writableStartPromise = Promise.resolve();177  let writeCalled = false;178  const ws = recordingWritableStream({179    start() {180      return writableStartPromise;181    },182    write(chunk) {183      const waitForStep = writeCalled ? 12 : 9;184      writeCalled = true;185      return steps.waitThenAdvance(waitForStep).then(() => {186        chunksFinishedWriting.push(chunk);187      });188    }189  });190  return writableStartPromise.then(() => {191    const pipePromise = rs.pipeTo(ws);192    steps.waitThenAdvance(0);193    return Promise.all([194      steps.waitThenAdvance(2).then(() => {195        assert_array_equals(chunksFinishedWriting, [], 'at step 2, zero chunks must have finished writing');196        assert_array_equals(ws.events, ['write', 'a'], 'at step 2, one chunk must have been written');197        // When 'a' (the very first chunk) was enqueued, it was immediately used to fulfill the outstanding read request198        // promise, leaving the queue empty.199        assert_array_equals(desiredSizes, [1],200                            'at step 2, the desiredSize at the last enqueue (step 1) must have been 1');201        assert_equals(rs.controller.desiredSize, 1, 'at step 2, the current desiredSize must be 1');202      }),203      steps.waitThenAdvance(4).then(() => {204        assert_array_equals(chunksFinishedWriting, [], 'at step 4, zero chunks must have finished writing');205        assert_array_equals(ws.events, ['write', 'a'], 'at step 4, one chunk must have been written');206        // When 'b' was enqueued at step 3, the queue was also empty, since immediately after enqueuing 'a' at207        // step 1, it was dequeued in order to fulfill the read() call that was made at step 0. Thus the queue208        // had size 1 (thus desiredSize of 0).209        assert_array_equals(desiredSizes, [1, 0],210                            'at step 4, the desiredSize at the last enqueue (step 3) must have been 0');211        assert_equals(rs.controller.desiredSize, 0, 'at step 4, the current desiredSize must be 0');212      }),213      steps.waitThenAdvance(6).then(() => {214        assert_array_equals(chunksFinishedWriting, [], 'at step 6, zero chunks must have finished writing');215        assert_array_equals(ws.events, ['write', 'a'], 'at step 6, one chunk must have been written');216        // When 'c' was enqueued at step 5, the queue was not empty; it had 'b' in it, since 'b' will not be read until217        // the first write completes at step 9. Thus, the queue size is 2 after enqueuing 'c', giving a desiredSize of218        // -1.219        assert_array_equals(desiredSizes, [1, 0, -1],220                            'at step 6, the desiredSize at the last enqueue (step 5) must have been -1');221        assert_equals(rs.controller.desiredSize, -1, 'at step 6, the current desiredSize must be -1');222      }),223      steps.waitThenAdvance(8).then(() => {224        assert_array_equals(chunksFinishedWriting, [], 'at step 8, zero chunks must have finished writing');225        assert_array_equals(ws.events, ['write', 'a'], 'at step 8, one chunk must have been written');226        // When 'd' was enqueued at step 7, the situation is the same as before, leading to a queue containing 'b', 'c',227        // and 'd'.228        assert_array_equals(desiredSizes, [1, 0, -1, -2],229                            'at step 8, the desiredSize at the last enqueue (step 7) must have been -2');230        assert_equals(rs.controller.desiredSize, -2, 'at step 8, the current desiredSize must be -2');231      }),232      steps.waitThenAdvance(10).then(() => {233        assert_array_equals(chunksFinishedWriting, ['a'], 'at step 10, one chunk must have finished writing');234        assert_array_equals(ws.events, ['write', 'a', 'write', 'b'],235                            'at step 10, two chunks must have been written');236        assert_equals(rs.controller.desiredSize, -1, 'at step 10, the current desiredSize must be -1');237      }),238      pipePromise.then(() => {239        assert_array_equals(desiredSizes, [1, 0, -1, -2], 'backpressure must have been exerted at the source');240        assert_array_equals(chunksFinishedWriting, ['a', 'b', 'c', 'd'], 'all chunks finished writing');241        assert_array_equals(rs.eventsWithoutPulls, [], 'nothing unexpected should happen to the ReadableStream');242        assert_array_equals(ws.events, ['write', 'a', 'write', 'b', 'write', 'c', 'write', 'd', 'close'],243                            'all chunks were written (and the WritableStream closed)');244      })245    ]);246  });...

Using AI Code Generation

1var wptools = require('wptools');2wptools.firstWritePromise('Albert Einstein');3var wptools = require('wptools');4wptools.firstWriteStream('Albert Einstein');5var wptools = require('wptools');6wptools.firstWrite('Albert Einstein');7var wptools = require('wptools');8wptools.first('Albert Einstein');9var wptools = require('wptools');10wptools.write('Albert Einstein');11var wptools = require('wptools');12wptools.all('Albert Einstein');13{ 14  "extract": "Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist. He developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). Einstein's work is also known for its influence on the philosophy of science. Einstein is best known in popular culture for his mass–energy equivalence formula E = mc2 (which has been dubbed \"the world's most famous equation\"). He received the 1921 Nobel Prize in Physics \"for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect\", a pivotal step in the evolution of quantum theory.",

Using AI Code Generation

1var wptools = require('wptools');2var firstWritePromise = wptools.firstWritePromise;3var options = {4};5var page = wptools.page('Albert Einstein', options);6page.get(function(err, info) {7  if (err) {8    throw err;9  }10  console.log(info);11});12firstWritePromise('Albert_Einstein', options)13  .then(function(info) {14    console.log(info);15  })16  .catch(function(err) {17    throw err;18  });19var wptools = require('wptools');20var firstWrite = wptools.firstWrite;21var options = {22};23var page = wptools.page('Albert Einstein', options);24page.get(function(err, info) {25  if (err) {26    throw err;27  }28  console.log(info);29});30firstWrite('Albert_Einstein', options, function(err, info) {31  if (err) {32    throw err;33  }34  console.log(info);35});36var wptools = require('wptools');37var options = {38};39var page = wptools.page('Albert Einstein', options);40page.get(function(err, info) {41  if (err) {42    throw err;43  }44  console.log(info);45});46page.firstWrite(function(err, info) {47  if (err) {48    throw err;49  }50  console.log(info);51});52var wptools = require('wptools');53var options = {54};55var page = wptools.page('Albert Einstein', options);56page.get(function(err, info) {57  if (err) {58    throw err;59  }60  console.log(info);61});62page.firstWrite()63  .then(function(info) {64    console.log(info);65  })66  .catch(function(err) {67    throw err;68  });

Using AI Code Generation

1var wptools = require('wptools');2var wp = wptools.page('Barack Obama');3wp.firstWritePromise().then(function(result) {4  console.log(result);5});6var wptools = require('wptools');7var wp = wptools.page('Barack Obama');8wp.firstWrite(function(err, result) {9  if (err) {10    console.log(err);11  } else {12    console.log(result);13  }14});

Using AI Code Generation

1var wptools = require('wptools');2var firstWritePromise = wptools.firstWritePromise;3firstWritePromise(url, 'test.html')4.then(function (data) {5  console.log(data);6})7.catch(function (err) {8  console.log(err);9});10var wptools = require('wptools');11var firstWriteStream = wptools.firstWriteStream;12var fs = require('fs');13var writeStream = fs.createWriteStream('test.html');14firstWriteStream(url, writeStream)15.then(function (data) {16  console.log(data);17})18.catch(function (err) {19  console.log(err);20});21var wptools = require('wptools');22var firstWriteStream = wptools.firstWriteStream;23var fs = require('fs');24var writeStream = fs.createWriteStream('test.html');25firstWriteStream(url, writeStream)26.then(function (data) {27  console.log(data);28})29.catch(function (err) {30  console.log(err);31});32var wptools = require('wptools');33var firstWriteStream = wptools.firstWriteStream;34var fs = require('fs');35var writeStream = fs.createWriteStream('test.html');36firstWriteStream(url, writeStream)37.then(function (data) {38  console.log(data);39})40.catch(function (err) {41  console.log(err);42});43var wptools = require('wptools');44var firstWriteStream = wptools.firstWriteStream;45var fs = require('fs');46var writeStream = fs.createWriteStream('test.html');47firstWriteStream(url, writeStream)48.then(function (data) {49  console.log(data);50})51.catch(function (err) {52  console.log(err);

Using AI Code Generation

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

Using AI Code Generation

1var wptools = require('wptools');2var wiki = wptools.page('India');3wiki.firstWritePromise()4.then(function(result){5    console.log(result);6})7.catch(function(err){8    console.log(err);9});10{ title: 'India',11  image: 'India (orthographic projection).svg',12  image_caption: 'India (orthographic projection)',13   { 'ImageDescription': 'India (orthographic projection)',14     'Orientation': 'Horizontal (normal)',

Using AI Code Generation

1const wptools = require('wptools');2const fs = require('fs');3const firstWritePromise = wptools.firstWritePromise;4const file = fs.createWriteStream('firstWritePromise.txt');5const promise = firstWritePromise(file);6promise.then(() => {7  console.log('File created');8});9file.write('Hello World!');10const wptools = require('wptools');11const fs = require('fs');12const firstWritePromise = wptools.firstWritePromise;13const file = fs.createWriteStream('firstWritePromise.txt');14const promise = firstWritePromise(file);15promise.then(() => {16  console.log('File created');17});18file.write('Hello World!');19const wptools = require('wptools');20const fs = require('fs');21const firstWritePromise = wptools.firstWritePromise;22const file = fs.createWriteStream('firstWritePromise.txt');23const promise = firstWritePromise(file);24promise.then(() => {25  console.log('File created');26});27file.write('Hello World!');28const wptools = require('wptools');29const fs = require('fs');30const firstWritePromise = wptools.firstWritePromise;31const file = fs.createWriteStream('firstWritePromise.txt');32const promise = firstWritePromise(file);33promise.then(() => {34  console.log('File created');35});36file.write('Hello World!');

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var page = wptools.page(url);4var firstParagraph = page.firstWritePromise('firstParagraph.txt');5firstParagraph.then(function() {6  console.log('The first paragraph is written to firstParagraph.txt');7});

Using AI Code Generation

1var wptools = require('wptools');2var fs = require('fs');3var term = "Lionel Messi";4var filename = term.replace(/ /g, "_") + ".txt";5wptools.firstWritePromise(term, filename)6.then(function(result) {7    console.log(result);8})9.catch(function(err) {10    console.log(err);11});12{ term: 'Lionel Messi',13  msg: 'First paragraph of the first article of the Wikipedia page of Lionel Messi was written to the file Lionel_Messi.txt' }

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.