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How to use _checkStart method in chromy

Best JavaScript code snippet using chromy

index.js

Source:index.js

...172    const result = await this.client.Target.getTargets()173    return result.targetInfos.filter(t => t.type === 'page')174  }175  async userAgent (ua) {176    await this._checkStart()177    return await this.client.Network.setUserAgentOverride({'userAgent': ua})178  }179  /**180   * Example:181   * chromy.headers({'X-Requested-By': 'foo'})182   */183  async headers (headers) {184    await this._checkStart()185    return await this.client.Network.setExtraHTTPHeaders({'headers': headers})186  }187  async ignoreCertificateErrors () {188    await this._checkStart()189    await this.client.Security.enable()190    await this.client.Security.setOverrideCertificateErrors({override: true})191    await this.client.Security.certificateError(({eventId}) => {192      this.client.Security.handleCertificateError({193        eventId,194        action: 'continue',195      })196    })197  }198  async console (callback) {199    await this._checkStart()200    this.client.Console.messageAdded((payload) => {201      try {202        const msg = payload.message.text203        const pre = this.messagePrefix204        if (typeof msg !== 'undefined') {205          if (pre === null || msg.substring(0, pre.length + 1) !== pre + ':') {206            callback.apply(this, [msg, payload.message])207          }208        }209      } catch (e) {210        console.warn(e)211      }212    })213  }214  async receiveMessage (callback) {215    await this._checkStart()216    const uuid = uuidV4()217    this.messagePrefix = uuid218    const f = makeSendToChromy(this.messagePrefix)219    this.defineFunction({sendToChromy: f})220    this.client.Console.messageAdded((payload) => {221      try {222        const msg = payload.message.text223        if (msg && msg.substring(0, uuid.length + 1) === uuid + ':') {224          const data = JSON.parse(msg.substring(uuid.length + 1))225          callback.apply(this, [data])226        }227      } catch (e) {228        console.warn(e)229      }230    })231  }232  async goto (url, options) {233    // correct url form.234    url = nodeUrl.format(nodeUrl.parse(url))235    const defaultOptions = {236      waitLoadEvent: true,237    }238    options = Object.assign({}, defaultOptions, options)239    await this._checkStart(url)240    let response = null241    // truck redirects.242    let requestListener = (payload) => {243      if (payload.redirectResponse && payload.redirectResponse.url === url) {244        url = payload.redirectResponse.headers.location245      }246    }247    const requestEventName = 'Network.requestWillBeSent'248    await this.on(requestEventName, requestListener)249    let listener = (payload) => {250      if (payload.response.url === url) {251        response = payload.response252      }253    }254    const eventName = 'Network.responseReceived'255    await this.on(eventName, listener)256    try {257      await this._waitFinish(this.options.gotoTimeout, async () => {258        await this.client.Page.navigate({url: completeUrl(url)})259        if (options.waitLoadEvent) {260          await this.client.Page.loadEventFired()261        }262      })263    } catch (e) {264      if (e instanceof TimeoutError) {265        throw new GotoTimeoutError('goto() timeout')266      } else {267        throw e268      }269    } finally {270      await this.removeListener(eventName, listener)271      await this.removeListener(requestEventName, requestListener)272    }273    return response274  }275  async waitLoadEvent () {276    await this._waitFinish(this.options.loadTimeout, async () => {277      await this.client.Page.loadEventFired()278    })279  }280  async forward () {281    const f = 'window.history.forward()'282    const promise = this.waitLoadEvent()283    await this.client.Runtime.evaluate({expression: f})284    await promise285  }286  async back () {287    const f = 'window.history.back()'288    const promise = this.waitLoadEvent()289    await this.client.Runtime.evaluate({expression: f})290    await promise291  }292  async reload (ignoreCache, scriptToEvaluateOnLoad) {293    await this.client.Page.reload({ignoreCache, scriptToEvaluateOnLoad})294  }295  /**296   * define function297   *298   * @param func {(function|string|Array.<function>|Array.<string>)}299   * @returns {Promise.<void>}300   */301  async defineFunction (def) {302    let funcs = []303    if (Array.isArray(def)) {304      funcs = def305    } else if ((typeof def) === 'object') {306      funcs = this._moduleToFunctionSources(def)307    } else {308      funcs.push(def)309    }310    for (let i = 0; i < funcs.length; i++) {311      let f = funcs[i]312      if ((typeof f) === 'function') {313        f = f.toString()314      }315      await this.client.Runtime.evaluate({expression: f})316    }317  }318  _moduleToFunctionSources (module) {319    const result = []320    for (let funcName in module) {321      let func = module[funcName]322      let src = `function ${funcName} () { return (${func.toString()})(...arguments) }`.trim()323      result.push(src)324    }325    return result326  }327  async mouseMoved (x, y, options = {}) {328    const opts = Object.assign({type: 'mouseMoved', x: x, y: y}, options)329    await this.client.Input.dispatchMouseEvent(opts)330  }331  async mousePressed (x, y, options = {}) {332    const opts = Object.assign({type: 'mousePressed', x: x, y: y, button: 'left'}, options)333    await this.client.Input.dispatchMouseEvent(opts)334  }335  async mouseReleased (x, y, options = {}) {336    const opts = Object.assign({type: 'mouseReleased', x: x, y: y, button: 'left'}, options)337    await this.client.Input.dispatchMouseEvent(opts)338  }339  async tap (x, y, options = {}) {340    const time = Date.now() / 1000341    const opts = Object.assign({x: x, y: y, timestamp: time, button: 'left'}, options)342    await this.client.Input.synthesizeTapGesture(opts)343  }344  async doubleTap (x, y, options = {}) {345    const time = Date.now() / 1000346    const opts = Object.assign({x: x, y: y, timestamp: time, button: 'left', tapCount: 2}, options)347    await this.client.Input.synthesizeTapGesture(opts)348  }349  async setFile (selector, files) {350    let paramFiles = files351    if ((typeof files) === 'string') {352      paramFiles = [files]353    }354    if (paramFiles.length === 0) {355      return356    }357    const {root} = await this.client.DOM.getDocument()358    const {nodeId: fileNodeId} = await this.client.DOM.querySelector({359      nodeId: root.nodeId,360      selector: selector,361    })362    if (!fileNodeId) {363      return364    }365    await this.client.DOM.setFileInputFiles({366      nodeId: fileNodeId,367      files: paramFiles,368    })369  }370  async screenshot (format = 'png', quality = undefined, fromSurface = true) {371    let opts = {372      format: 'png',373      fromSurface: true,374      useDeviceResolution: false,375    }376    if ((typeof format) === 'string') {377      // deprecated arguments style378      const params = {379        format: format,380        quality: quality,381        fromSurface: fromSurface,382      }383      opts = Object.assign({}, opts, params)384    } else if ((typeof format) === 'object') {385      opts = Object.assign({}, opts, format)386    }387    if (['png', 'jpeg'].indexOf(opts.format) === -1) {388      throw new Error('format is invalid.')389    }390    const captureParams = Object.assign({}, opts)391    delete captureParams.useDeviceResolution392    let captureResult = await this.client.Page.captureScreenshot(captureParams)393    let image = Buffer.from(captureResult.data, 'base64')394    if (!opts.useDeviceResolution) {395      const screen = await this._getScreenInfo()396      if (screen.devicePixelRatio !== 1) {397        let promise = new Promise((resolve, reject) => {398          Jimp.read(image, (err, img) => {399            if (err) {400              return reject(err)401            }402            let fmt = opts.format === 'png' ? Jimp.MIME_PNG : Jimp.MIME_JPEG403            let quality = 100404            if (opts.quality) {405              quality = opts.quality406            }407            img.scale(1.0 / screen.devicePixelRatio, Jimp.RESIZE_BEZIER)408              .quality(quality)409              .getBuffer(fmt, (err, buffer) => {410                if (err) {411                  reject(err)412                } else {413                  resolve(buffer)414                }415              })416          })417        })418        image = await promise419      }420    }421    return image422  }423  /*424   * Limitation:425   * maximum height is 16384px because of chrome's bug from Skia library.426   * https://groups.google.com/a/chromium.org/d/msg/headless-dev/DqaAEXyzvR0/kUTEqNYiDQAJ427   * https://stackoverflow.com/questions/44599858/max-height-of-16-384px-for-headless-chrome-screenshots428   */429  async screenshotDocument (model = 'scroll', format = 'png', quality = undefined, fromSurface = true) {430    let opts = {431      model: 'scroll',432      format: 'png',433      fromSurface: true,434      useDeviceResolution: false,435    }436    if ((typeof model) === 'string') {437      const params = {438        model: model,439        format: format,440        quality: quality,441        fromSurface: fromSurface,442      }443      opts = Object.assign({}, opts, params)444    } else if ((typeof model) === 'object') {445      opts = Object.assign({}, opts, model)446    }447    const emulation = await createFullscreenEmulationManager(this, opts.model, false, opts.useDeviceResolution)448    let result = null449    try {450      await emulation.emulate()451      // device resolution is already emulated by emulation manager, so useDeviceResotion must be set true452      const screenshotParams = Object.assign({}, opts, {useDeviceResolution: true})453      delete screenshotParams.model454      result = await this.screenshot(screenshotParams)455    } finally {456      await emulation.reset()457      // restore emulation mode458      await this._restoreEmulationSetting()459    }460    return result461  }462  async screenshotSelector (selector, format = 'png', quality = undefined, fromSurface = true) {463    let opts = {464      format: 'png',465      fromSurface: true,466      useDeviceResolution: false,467    }468    if ((typeof format) === 'string') {469      const params = {470        format: format,471        quality: quality,472        fromSurface: fromSurface,473      }474      opts = Object.assign({}, opts, params)475    } else if ((typeof format) === 'object') {476      opts = Object.assign({}, opts, format)477    }478    return this._screenshotSelector(selector, opts)479  }480  async _screenshotSelector (selector, opts) {481    const emulation = await createFullscreenEmulationManager(this, 'scroll', true, opts.useDeviceResolution)482    let buffer = null483    try {484      await emulation.emulate()485      await this.scrollTo(0, 0)486      let rect = await this.getBoundingClientRect(selector)487      if (!rect || rect.width === 0 || rect.height === 0) {488        return null489      }490      let clip = {491        x: rect.left,492        y: rect.top,493        width: rect.width,494        height: rect.height,495        scale: 1,496      }497      let screenshotOpts = Object.assign({}, opts, {clip})498      const {data} = await this.client.Page.captureScreenshot(screenshotOpts)499      buffer = Buffer.from(data, 'base64')500    } finally {501      emulation.reset()502    }503    return buffer504  }505  async screenshotMultipleSelectors (selectors, callback, options = {}) {506    return this._screenshotMultipleSelectors(selectors, callback, options)507  }508  async _screenshotMultipleSelectors (selectors, callback, options = {}) {509    const defaults = {510      model: 'scroll',511      format: 'png',512      quality: undefined,513      fromSurface: true,514      useDeviceResolution: false,515      useQuerySelectorAll: false,516    }517    const opts = Object.assign({}, defaults, options)518    const emulation = await createFullscreenEmulationManager(this, 'scroll', true, opts.useDeviceResolution)519    await emulation.emulate()520    try {521      for (let selIdx = 0; selIdx < selectors.length; selIdx++) {522        let selector = selectors[selIdx]523        try {524          let rects = null525          if (opts.useQuerySelectorAll) {526            rects = await this.rectAll(selector)527            // remove elements that has 'display: none'528            rects = rects.filter(rect => rect.width !== 0 && rect.height !== 0)529          } else {530            const r = await this.getBoundingClientRect(selector)531            if (r && r.width !== 0 && r.height !== 0) {532              rects = [r]533            }534          }535          if (rects.length === 0) {536            const err = {reason: 'notfound', message: `selector is not found. selector=${selector}`}537            await callback.apply(this, [err, null, selIdx, selectors])538            continue539          }540          for (let rectIdx = 0; rectIdx < rects.length; rectIdx++) {541            const rect = rects[rectIdx]542            let clip = {543              x: rect.left,544              y: rect.top,545              width: rect.width,546              height: rect.height,547              scale: 1,548            }549            let screenshotOpts = Object.assign({550              format: opts.format,551              quality: opts.quality,552              fromSurface: opts.fromSurface,553              clip,554            })555            const {data} = await this.client.Page.captureScreenshot(screenshotOpts)556            let buffer = Buffer.from(data, 'base64')557            await callback.apply(this, [null, buffer, selIdx, selectors, rectIdx])558          }559        } catch (e) {560          await callback.apply(this, [e, null, selIdx, selectors])561        }562      }563    } finally {564      await emulation.reset()565      await this._restoreEmulationSetting()566    }567  }568  async pdf (options = {}) {569    const {data} = await this.client.Page.printToPDF(options)570    return Buffer.from(data, 'base64')571  }572  async startScreencast (callback, options = {}) {573    await this.client.Page.screencastFrame(async (payload) => {574      await callback.apply(this, [payload])575      await this.client.Page.screencastFrameAck({sessionId: payload.sessionId})576    })577    await this.client.Page.startScreencast(options)578  }579  async stopScreencast () {580    await this.client.Page.stopScreencast()581  }582  // deprecated since 0.3.4583  async requestWillBeSent (callback) {584    await this._checkStart()585    await this.client.Network.requestWillBeSent(callback)586  }587  async send (event, parameter) {588    await this._checkStart()589    return this.client.send(event, parameter)590  }591  async on (event, callback) {592    await this._checkStart()593    this.client.on(event, callback)594  }595  async once (event, callback) {596    await this._checkStart()597    this.client.once(event, callback)598  }599  async removeListener (event, callback) {600    await this._checkStart()601    this.client.removeListener(event, callback)602  }603  async removeAllListeners (event) {604    await this._checkStart()605    this.client.removeAllListeners(event)606  }607  async inject (type, fileOrBuffer) {608    const data = fileOrBuffer instanceof Buffer ? fileOrBuffer.toString('utf8') : await new Promise((resolve, reject) => {609      fs.readFile(fileOrBuffer, {encoding: 'utf-8'}, (err, data) => {610        if (err) reject(err)611        resolve(data)612      })613    }).catch(e => {614      throw e615    })616    if (type === 'js') {617      let script = data.replace(/\\/g, '\\\\').replace(/'/g, '\\\'').replace(/(\r|\n)/g, '\\n')618      let expr = `619      {620         let script = document.createElement('script')621         script.type = 'text/javascript'622         script.innerHTML = '${script}'623         document.body.appendChild(script)624      }625      `626      return this.evaluate(expr)627    } else if (type === 'css') {628      let style = data.replace(/`/g, '\\`').replace(/\\/g, '\\\\') // .replace(/(\r|\n)/g, ' ')629      let expr = `630      {631         let style = document.createElement('style')632         style.type = 'text/css'633         style.innerText = \`634        ${style}635        \`636         document.head.appendChild(style)637      }638      `639      return this.evaluate(expr)640    } else {641      throw new Error('found invalid type.')642    }643  }644  async setDeviceScaleFactor (deviceScaleFactor) {645    const screen = await this._getScreenInfo()646    if (screen.devicePixelRatio === deviceScaleFactor) {647      return648    }649    this.currentDeviceScaleFactor = deviceScaleFactor650    return this.client.Emulation.setDeviceMetricsOverride({651      width: 0, height: 0, deviceScaleFactor: deviceScaleFactor, mobile: false,652    })653  }654  async emulate (deviceName) {655    await this._checkStart()656    if (!this.emulateMode) {657      this.userAgentBeforeEmulate = await this.evaluate('return navigator.userAgent')658    }659    const device = devices[deviceName]660    await this.client.Emulation.setDeviceMetricsOverride({661      width: device.width,662      height: device.height,663      deviceScaleFactor: device.deviceScaleFactor,664      mobile: device.mobile,665      fitWindow: false,666      scale: device.pageScaleFactor,667    })668    const platform = device.mobile ? 'mobile' : 'desktop'669    await this.client.Emulation.setTouchEmulationEnabled({enabled: true, configuration: platform})670    await this.userAgent(device.userAgent)671    this.currentEmulateDeviceName = deviceName672    this.emulateMode = true673  }674  async clearEmulate () {675    await this.client.Emulation.clearDeviceMetricsOverride()676    await this.client.Emulation.setTouchEmulationEnabled({enabled: false})677    if (this.userAgentBeforeEmulate) {678      await this.userAgent(this.userAgentBeforeEmulate)679    }680    this.emulateMode = false681    this.currentEmulateDeviceName = null682  }683  async _restoreEmulationSetting () {684    // restore emulation mode685    if (this.currentEmulateDeviceName !== null) {686      await this.emulate(this.currentEmulateDeviceName)687    }688    if (this.currentDeviceScaleFactor) {689      await this.setDeviceScaleFactor(this.currentDeviceScaleFactor)690    }691  }692  async blockUrls (urls) {693    await this._checkStart()694    await this.client.Network.setBlockedURLs({urls: urls})695  }696  async clearBrowserCache () {697    await this._checkStart()698    await this.client.Network.clearBrowserCache()699  }700  async setCookie (params) {701    await this._checkStart()702    let paramArray = null703    if (Array.isArray(params)) {704      paramArray = params705    } else {706      paramArray = [params]707    }708    const currentUrl = await this.evaluate(_ => { return location.href })709    paramArray = paramArray.map(obj => {710      if (obj.url) {711        return obj712      } else {713        obj.url = currentUrl714        return obj715      }716    })717    for (let i in paramArray) {718      const item = paramArray[i]719      await this.client.Network.setCookie(item)720    }721  }722  async getCookies (name = null) {723    await this._checkStart()724    const ck = await this.client.Network.getCookies()725    if (name !== null) {726      for (let i in ck.cookies) {727        if (ck.cookies[i].name === name) return ck.cookies[i]728      }729    } else {730      return ck.cookies731    }732  }733  async deleteCookie (name, url = null) {734    await this._checkStart()735    let nameArray = null736    if (Array.isArray(name)) {737      nameArray = name738    } else {739      nameArray = [name]740    }741    let paramUrl = url742    if (!url) {743      paramUrl = await this.evaluate(_ => { return location.href })744    }745    for (let i in nameArray) {746      const n = nameArray[i]747      await this.client.Network.deleteCookie({cookieName: n, url: paramUrl})748    }749  }750  async clearAllCookies () {751    await this._checkStart()752    await this.client.Network.clearBrowserCookies()753  }754  async getDOMCounters () {755    return await this.client.Memory.getDOMCounters()756  }757  async clearDataForOrigin (origin = null, type = 'all') {758    if (origin === null) {759      origin = await this.evaluate(_ => { return location.origin })760    }761    return await this.client.Storage.clearDataForOrigin({origin: origin, storageTypes: type})762  }763  async _checkStart (startingUrl = null) {764    if (this.client === null) {765      await this.start(startingUrl)...

content.js

Source:content.js

...37    localStorage.setItem(key, css);38  }39  addStyle(css);40}41function _checkStart() {42  if ($('img[src^="/ui/x/"]').length >= 1) {43    clearInterval(_checkStartId);44    onStart();45  }46}47function _startObeserver(cbOnChange) {48  var bodyList = document.querySelector("body");49  50  var observer = new MutationObserver(function(mutations) {51    cbOnChange();52  });53  54  var config = {55    childList: true,...

Card.js

Source:Card.js

1export default class Card {2  constructor(3    company,4    cardNumber,5    validity,6    budget,7    limit,8    checkStart,9    checkEnd10  ) {11    this._company = company;12    this._cardNumber = cardNumber;13    this._validity = validity;14    this._budget = budget;15    this._limit = limit;16    this._checkStart = checkStart;17    this._checkEnd = checkEnd;18  }19  get company() {20    return this._company;21  }22  get cardNumber() {23    return this._cardNumber;24  }25  get validity() {26    return this._validity;27  }28  get budget() {29    return this._budget;30  }31  get limit() {32    return this._limit;33  }34  get checkStart() {35    return this._checkStart;36  }37  get checkEnd() {38    return this._checkEnd;39  }40  set budget(value) {41    this._budget = value;42  }43  set limit(value) {44    this._limit = value;45  }46}47export const createCard = (48  company,49  cardNumber,50  validity,51  budget,52  limit,53  checkStart,54  checkEnd55) => {56  return new Card(57    company,58    cardNumber,59    validity,60    budget,61    limit,62    checkStart,63    checkEnd64  );65};66// export const getCard = async (company, cardNumber) => {67//     return await findCard(company, cardNumber);68// }69//70// export const getAllCard = async () => {71//     return await findAllCard();...

Using AI Code Generation

1var chromy = new Chromy()2chromy.chain()3  .evaluate(function () {4  })5  .result(function (r) {6    console.log(r)7  })8  .end()9  .then(function () {10    chromy.close()11  })

Using AI Code Generation

1const chromy = new Chromy();2chromy.chain()3  .evaluate(() => {4    return document.querySelector('h1').textContent5  })6  .result((v) => {7  })8  .end()9  .then(() => chromy.close())10### `chromy.chain().goto(url, options)`11Navigate to `url`. `options` can be passed to the underlying `goto` function. See [Puppeteer API](

Using AI Code Generation

1const chromy = require('chromy');2  .chain()3  .evaluate(() => {4    return new Promise((resolve, reject) => {5      setTimeout(() => {6        resolve('success');7      }, 2000);8    });9  })10  .end()11  .then((result) => {12    console.log(result);13  })14  .catch((err) => {15    console.log(err);16  });17const chromy = require('chromy');18const _checkStart = chromy.prototype._checkStart;19chromy.prototype._checkStart = function () {20  _checkStart.call(this);21  this._client.on('Network.requestWillBeSent', (params) => {22    console.log(params.request.url);23  });24};25module.exports = chromy;

Using AI Code Generation

1chromy._checkStart()2checkStart () {3  if (!this._isStarted) {4    throw new Error('Chromy must be started')5  }6}7_checkStart () {8  if (!this._isStarted) {9    throw new Error('Chromy must be started')10  }11}12_checkStart () {13  if (!this._isStarted) {14    throw new Error('Chromy must be started')15  }16}

Using AI Code Generation

1const chromy = require('chromy');2chromy = new chromy();3chromy._checkStart();4chromy.close();5_checkStart(){6  const self = this;7  if(!self._isStarted){8    throw new Error('Chromy is not started');9  }10}11Your name to display (optional):12Your name to display (optional):13chromy = new chromy();14chromy._isStarted();15Your name to display (optional):

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