Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use PDFNodeStreamFsFullReader method in wpt

Best JavaScript code snippet using wpt

node_stream.js

Source:node_stream.js

...49  _createClass(PDFNodeStream, [{50    key: 'getFullReader',51    value: function getFullReader() {52      (0, _util.assert)(!this._fullRequest);53      this._fullRequest = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);54      return this._fullRequest;55    }56  }, {57    key: 'getRangeReader',58    value: function getRangeReader(start, end) {59      var rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);60      this._rangeRequestReaders.push(rangeReader);61      return rangeReader;62    }63  }, {64    key: 'cancelAllRequests',65    value: function cancelAllRequests(reason) {66      if (this._fullRequest) {67        this._fullRequest.cancel(reason);68      }69      var readers = this._rangeRequestReaders.slice(0);70      readers.forEach(function (reader) {71        reader.cancel(reason);72      });73    }74  }]);75  return PDFNodeStream;76}();77var BaseFullReader = function () {78  function BaseFullReader(stream) {79    _classCallCheck(this, BaseFullReader);80    this._url = stream.url;81    this._done = false;82    this._errored = false;83    this._reason = null;84    this.onProgress = null;85    var source = stream.source;86    this._contentLength = source.length;87    this._loaded = 0;88    this._filename = null;89    this._disableRange = source.disableRange || false;90    this._rangeChunkSize = source.rangeChunkSize;91    if (!this._rangeChunkSize && !this._disableRange) {92      this._disableRange = true;93    }94    this._isStreamingSupported = !source.disableStream;95    this._isRangeSupported = !source.disableRange;96    this._readableStream = null;97    this._readCapability = (0, _util.createPromiseCapability)();98    this._headersCapability = (0, _util.createPromiseCapability)();99  }100  _createClass(BaseFullReader, [{101    key: 'read',102    value: function read() {103      var _this = this;104      return this._readCapability.promise.then(function () {105        if (_this._done) {106          return Promise.resolve({107            value: undefined,108            done: true109          });110        }111        if (_this._errored) {112          return Promise.reject(_this._reason);113        }114        var chunk = _this._readableStream.read();115        if (chunk === null) {116          _this._readCapability = (0, _util.createPromiseCapability)();117          return _this.read();118        }119        _this._loaded += chunk.length;120        if (_this.onProgress) {121          _this.onProgress({122            loaded: _this._loaded,123            total: _this._contentLength124          });125        }126        var buffer = new Uint8Array(chunk).buffer;127        return Promise.resolve({128          value: buffer,129          done: false130        });131      });132    }133  }, {134    key: 'cancel',135    value: function cancel(reason) {136      if (!this._readableStream) {137        this._error(reason);138        return;139      }140      this._readableStream.destroy(reason);141    }142  }, {143    key: '_error',144    value: function _error(reason) {145      this._errored = true;146      this._reason = reason;147      this._readCapability.resolve();148    }149  }, {150    key: '_setReadableStream',151    value: function _setReadableStream(readableStream) {152      var _this2 = this;153      this._readableStream = readableStream;154      readableStream.on('readable', function () {155        _this2._readCapability.resolve();156      });157      readableStream.on('end', function () {158        readableStream.destroy();159        _this2._done = true;160        _this2._readCapability.resolve();161      });162      readableStream.on('error', function (reason) {163        _this2._error(reason);164      });165      if (!this._isStreamingSupported && this._isRangeSupported) {166        this._error(new _util.AbortException('streaming is disabled'));167      }168      if (this._errored) {169        this._readableStream.destroy(this._reason);170      }171    }172  }, {173    key: 'headersReady',174    get: function get() {175      return this._headersCapability.promise;176    }177  }, {178    key: 'filename',179    get: function get() {180      return this._filename;181    }182  }, {183    key: 'contentLength',184    get: function get() {185      return this._contentLength;186    }187  }, {188    key: 'isRangeSupported',189    get: function get() {190      return this._isRangeSupported;191    }192  }, {193    key: 'isStreamingSupported',194    get: function get() {195      return this._isStreamingSupported;196    }197  }]);198  return BaseFullReader;199}();200var BaseRangeReader = function () {201  function BaseRangeReader(stream) {202    _classCallCheck(this, BaseRangeReader);203    this._url = stream.url;204    this._done = false;205    this._errored = false;206    this._reason = null;207    this.onProgress = null;208    this._loaded = 0;209    this._readableStream = null;210    this._readCapability = (0, _util.createPromiseCapability)();211    var source = stream.source;212    this._isStreamingSupported = !source.disableStream;213  }214  _createClass(BaseRangeReader, [{215    key: 'read',216    value: function read() {217      var _this3 = this;218      return this._readCapability.promise.then(function () {219        if (_this3._done) {220          return Promise.resolve({221            value: undefined,222            done: true223          });224        }225        if (_this3._errored) {226          return Promise.reject(_this3._reason);227        }228        var chunk = _this3._readableStream.read();229        if (chunk === null) {230          _this3._readCapability = (0, _util.createPromiseCapability)();231          return _this3.read();232        }233        _this3._loaded += chunk.length;234        if (_this3.onProgress) {235          _this3.onProgress({ loaded: _this3._loaded });236        }237        var buffer = new Uint8Array(chunk).buffer;238        return Promise.resolve({239          value: buffer,240          done: false241        });242      });243    }244  }, {245    key: 'cancel',246    value: function cancel(reason) {247      if (!this._readableStream) {248        this._error(reason);249        return;250      }251      this._readableStream.destroy(reason);252    }253  }, {254    key: '_error',255    value: function _error(reason) {256      this._errored = true;257      this._reason = reason;258      this._readCapability.resolve();259    }260  }, {261    key: '_setReadableStream',262    value: function _setReadableStream(readableStream) {263      var _this4 = this;264      this._readableStream = readableStream;265      readableStream.on('readable', function () {266        _this4._readCapability.resolve();267      });268      readableStream.on('end', function () {269        readableStream.destroy();270        _this4._done = true;271        _this4._readCapability.resolve();272      });273      readableStream.on('error', function (reason) {274        _this4._error(reason);275      });276      if (this._errored) {277        this._readableStream.destroy(this._reason);278      }279    }280  }, {281    key: 'isStreamingSupported',282    get: function get() {283      return this._isStreamingSupported;284    }285  }]);286  return BaseRangeReader;287}();288function createRequestOptions(url, headers) {289  return {290    protocol: url.protocol,291    auth: url.auth,292    host: url.hostname,293    port: url.port,294    path: url.path,295    method: 'GET',296    headers: headers297  };298}299var PDFNodeStreamFullReader = function (_BaseFullReader) {300  _inherits(PDFNodeStreamFullReader, _BaseFullReader);301  function PDFNodeStreamFullReader(stream) {302    _classCallCheck(this, PDFNodeStreamFullReader);303    var _this5 = _possibleConstructorReturn(this, (PDFNodeStreamFullReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamFullReader)).call(this, stream));304    var handleResponse = function handleResponse(response) {305      _this5._headersCapability.resolve();306      _this5._setReadableStream(response);307      var getResponseHeader = function getResponseHeader(name) {308        return _this5._readableStream.headers[name.toLowerCase()];309      };310      var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({311        getResponseHeader: getResponseHeader,312        isHttp: stream.isHttp,313        rangeChunkSize: _this5._rangeChunkSize,314        disableRange: _this5._disableRange315      }),316          allowRangeRequests = _validateRangeRequest.allowRangeRequests,317          suggestedLength = _validateRangeRequest.suggestedLength;318      _this5._isRangeSupported = allowRangeRequests;319      _this5._contentLength = suggestedLength || _this5._contentLength;320      _this5._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);321    };322    _this5._request = null;323    if (_this5._url.protocol === 'http:') {324      _this5._request = http.request(createRequestOptions(_this5._url, stream.httpHeaders), handleResponse);325    } else {326      _this5._request = https.request(createRequestOptions(_this5._url, stream.httpHeaders), handleResponse);327    }328    _this5._request.on('error', function (reason) {329      _this5._errored = true;330      _this5._reason = reason;331      _this5._headersCapability.reject(reason);332    });333    _this5._request.end();334    return _this5;335  }336  return PDFNodeStreamFullReader;337}(BaseFullReader);338var PDFNodeStreamRangeReader = function (_BaseRangeReader) {339  _inherits(PDFNodeStreamRangeReader, _BaseRangeReader);340  function PDFNodeStreamRangeReader(stream, start, end) {341    _classCallCheck(this, PDFNodeStreamRangeReader);342    var _this6 = _possibleConstructorReturn(this, (PDFNodeStreamRangeReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamRangeReader)).call(this, stream));343    _this6._httpHeaders = {};344    for (var property in stream.httpHeaders) {345      var value = stream.httpHeaders[property];346      if (typeof value === 'undefined') {347        continue;348      }349      _this6._httpHeaders[property] = value;350    }351    _this6._httpHeaders['Range'] = 'bytes=' + start + '-' + (end - 1);352    _this6._request = null;353    if (_this6._url.protocol === 'http:') {354      _this6._request = http.request(createRequestOptions(_this6._url, _this6._httpHeaders), function (response) {355        _this6._setReadableStream(response);356      });357    } else {358      _this6._request = https.request(createRequestOptions(_this6._url, _this6._httpHeaders), function (response) {359        _this6._setReadableStream(response);360      });361    }362    _this6._request.on('error', function (reason) {363      _this6._errored = true;364      _this6._reason = reason;365    });366    _this6._request.end();367    return _this6;368  }369  return PDFNodeStreamRangeReader;370}(BaseRangeReader);371var PDFNodeStreamFsFullReader = function (_BaseFullReader2) {372  _inherits(PDFNodeStreamFsFullReader, _BaseFullReader2);373  function PDFNodeStreamFsFullReader(stream) {374    _classCallCheck(this, PDFNodeStreamFsFullReader);375    var _this7 = _possibleConstructorReturn(this, (PDFNodeStreamFsFullReader.__proto__ || Object.getPrototypeOf(PDFNodeStreamFsFullReader)).call(this, stream));376    var path = decodeURIComponent(_this7._url.path);377    if (fileUriRegex.test(_this7._url.href)) {378      path = path.replace(/^\//, '');379    }380    fs.lstat(path, function (error, stat) {381      if (error) {382        _this7._errored = true;383        _this7._reason = error;384        _this7._headersCapability.reject(error);385        return;386      }387      _this7._contentLength = stat.size;...

node_stream.d.ts

Source:node_stream.d.ts

1export class PDFNodeStream {2    constructor(source: any);3    source: any;4    url: any;5    isHttp: boolean;6    isFsUrl: boolean;7    httpHeaders: any;8    _fullRequestReader: PDFNodeStreamFsFullReader | PDFNodeStreamFullReader | null;9    _rangeRequestReaders: any[];10    get _progressiveDataLength(): number;11    getFullReader(): PDFNodeStreamFsFullReader | PDFNodeStreamFullReader;12    getRangeReader(start: any, end: any): PDFNodeStreamFsRangeReader | PDFNodeStreamRangeReader | null;13    cancelAllRequests(reason: any): void;14}15declare class PDFNodeStreamFsFullReader extends BaseFullReader {16}17declare class PDFNodeStreamFullReader extends BaseFullReader {18    _request: any;19}20declare class PDFNodeStreamFsRangeReader extends BaseRangeReader {21    constructor(stream: any, start: any, end: any);22}23declare class PDFNodeStreamRangeReader extends BaseRangeReader {24    constructor(stream: any, start: any, end: any);25    _httpHeaders: {};26    _request: any;27}28declare class BaseFullReader {29    constructor(stream: any);30    _url: any;31    _done: boolean;32    _storedError: any;33    onProgress: any;34    _contentLength: any;35    _loaded: number;36    _filename: any;37    _disableRange: any;38    _rangeChunkSize: any;39    _isStreamingSupported: boolean;40    _isRangeSupported: boolean;41    _readableStream: any;42    _readCapability: import("../shared/util.d.ts").PromiseCapability;43    _headersCapability: import("../shared/util.d.ts").PromiseCapability;44    get headersReady(): Promise<any>;45    get filename(): any;46    get contentLength(): any;47    get isRangeSupported(): boolean;48    get isStreamingSupported(): boolean;49    read(): any;50    cancel(reason: any): void;51    _error(reason: any): void;52    _setReadableStream(readableStream: any): void;53}54declare class BaseRangeReader {55    constructor(stream: any);56    _url: any;57    _done: boolean;58    _storedError: any;59    onProgress: any;60    _loaded: number;61    _readableStream: any;62    _readCapability: import("../shared/util.d.ts").PromiseCapability;63    _isStreamingSupported: boolean;64    get isStreamingSupported(): boolean;65    read(): any;66    cancel(reason: any): void;67    _error(reason: any): void;68    _setReadableStream(readableStream: any): void;69}...

Using AI Code Generation

1var fs = require('fs');2var PDFNodeStreamFsFullReader = require('pdf2json/PDFNodeStreamFsFullReader');3var pdfParser = new PDFNodeStreamFsFullReader();4pdfParser.on("pdfParser_dataError", errData => console.error(errData.parserError) );5pdfParser.on("pdfParser_dataReady", pdfData => {6    fs.writeFile("./pdf2json/test/F1040EZ.json", JSON.stringify(pdfData));7});8pdfParser.loadPDF("./pdf2json/test/F1040EZ.pdf");9var fs = require('fs');10var PDFNodeStreamFullReader = require('pdf2json/PDFNodeStreamFullReader');11var pdfParser = new PDFNodeStreamFullReader();12pdfParser.on("pdfParser_dataError", errData => console.error(errData.parserError) );13pdfParser.on("pdfParser_dataReady", pdfData => {14    fs.writeFile("./pdf2json/test/F1040EZ.json", JSON.stringify(pdfData));15});16pdfParser.loadPDF("./pdf2json/test/F1040EZ.pdf");17var fs = require('fs');18var PDFNodeStreamSimpleReader = require('pdf2json/PDFNodeStreamSimpleReader');19var pdfParser = new PDFNodeStreamSimpleReader();20pdfParser.on("pdfParser_dataError", errData => console.error(errData.parserError) );21pdfParser.on("pdfParser_dataReady", pdfData => {22    fs.writeFile("./pdf2json/test/F1040EZ.json", JSON.stringify(pdfData));23});24pdfParser.loadPDF("./pdf2json/test/F1040EZ.pdf");25var fs = require('fs');26var PDFParser = require('pdf2json/PDFParser');27var pdfParser = new PDFParser();28pdfParser.on("pdfParser_dataError", errData => console.error(errData.parserError) );29pdfParser.on("pdfParser_dataReady", pdfData => {30    fs.writeFile("./pdf2json/test/F1040EZ.json", JSON.stringify(pdfData));31});32pdfParser.loadPDF("./pdf2json/test/F1040EZ.pdf");

Using AI Code Generation

1var fs = require('fs');2var PDFNodeStreamFsFullReader = require('pdf.js-dist/lib/display/api').PDFNodeStreamFsFullReader;3var PDFJS = require('pdf.js-dist');4var pdfPath = 'test.pdf';5var pdfDoc = null;6var pageNum = 1;7var pageRendering = false;8var pageNumPending = null;9var scale = 1.5;10var canvas = document.getElementById('the-canvas');11var ctx = canvas.getContext('2d');12function renderPage(num) {13	pageRendering = true;14	pdfDoc.getPage(num).then(function(page) {15		var viewport = page.getViewport(scale);16		canvas.height = viewport.height;17		canvas.width = viewport.width;18		var renderContext = {19		};20		var renderTask = page.render(renderContext);21		renderTask.promise.then(function() {22			pageRendering = false;23			if (pageNumPending !== null) {24				renderPage(pageNumPending);25				pageNumPending = null;26			}27		});28	});29	document.getElementById('page_num').textContent = num;30}31function queueRenderPage(num) {32	if (pageRendering) {33		pageNumPending = num;34	} else {35		renderPage(num);36	}37}38function onPrevPage() {39	if (pageNum <= 1) {40		return;41	}42	pageNum--;43	queueRenderPage(pageNum);44}45function onNextPage() {46	if (pageNum >= pdfDoc.numPages) {47		return;48	}49	pageNum++;50	queueRenderPage(pageNum);51}52function onZoomIn() {53	scale += 0.5;54	renderPage(pageNum);55}56function onZoomOut() {57	scale -= 0.5;58	renderPage(pageNum);59}60PDFJS.getDocument(pdfPath).then(function(pdfDoc_) {61	pdfDoc = pdfDoc_;62	document.getElementById('page_count').textContent = pdfDoc.numPages;63	renderPage(pageNum);64});65document.getElementById('prev').addEventListener('click', onPrevPage);66document.getElementById('next').addEventListener('click', onNextPage);67document.getElementById('zoomin').addEventListener('click', onZoomIn);

Using AI Code Generation

1const PDFNodeStreamFsFullReader = require('pdfjs-dist/lib/display/api').PDFNodeStreamFsFullReader;2const PDFJS = require('pdfjs-dist');3const fs = require('fs');4const pdfPath = './test.pdf';5const pdfDoc = null;6const pageNum = 1;7let page = null;8const scale = 1.5;9let viewport = null;10let pdfPage = null;11let canvas = null;12let canvasContext = null;13let renderContext = null;14let renderTask = null;15let pdf = null;16pdf = PDFJS.getDocument(pdfPath);17pdf.then(function(pdf) {18  pdf.getPage(pageNum).then(function(page) {19    viewport = page.getViewport(scale);20    canvas = document.getElementById('the-canvas');21    canvas.height = viewport.height;22    canvas.width = viewport.width;23    canvasContext = canvas.getContext('2d');24    renderContext = {25    };26    renderTask = page.render(renderContext);27    renderTask.promise.then(function() {28      console.log('Page rendered');29    });30  });31});32const PDFNodeStreamFsFullReader = require('pdfjs-dist/lib/display/api').PDFNodeStreamFsFullReader;33const PDFJS = require('pdfjs-dist');34const fs = require('fs');35const pdfPath = './test.pdf';36const pdfDoc = null;37const pageNum = 1;38let page = null;39const scale = 1.5;40let viewport = null;41let pdfPage = null;42let canvas = null;43let canvasContext = null;44let renderContext = null;45let renderTask = null;46let pdf = null;47pdf = PDFJS.getDocument(pdfPath);48pdf.then(function(pdf) {49  pdf.getPage(pageNum).then(function(page) {50    viewport = page.getViewport(scale);51    canvas = document.getElementById('the-canvas');

Using AI Code Generation

1var wptools = require('wptools');2var pdf = require('pdf-parse');3var fs = require('fs');4var options = {5};6  console.log(doc);7});

Using AI Code Generation

1var fs = require('fs');2var PDFNodeStreamFsFullReader = require('pdf.js-dist/lib/core/document.js').PDFNodeStreamFsFullReader;3var PDFJS = require('pdf.js-dist');4var file = fs.readFileSync('test.pdf');5PDFJS.getDocument(new PDFNodeStreamFsFullReader(file)).then(function(doc) {6  var numPages = doc.numPages;7  console.log('# Document Loaded');8  console.log('Number of Pages: ' + numPages);9  console.log();10  return doc.getPage(1).then(function(page) {11    console.log('# Page 1');12    var viewport = page.getViewport(1.0);13    console.log('Size: ' + viewport.width + 'x' + viewport.height);14    console.log();15    return page.getTextContent().then(function(content) {16      var strings = content.items.map(function (item) {17        return item.str;18      });19      console.log('## Text Content');20      console.log(strings.join(''));21    });22  });23});

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.