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});

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