How to use PDFNodeStreamFullReader method in wpt

Best JavaScript code snippet using wpt

node_stream.js

Source:node_stream.js Github

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...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 }),...

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node_stream.d.ts

Source:node_stream.d.ts Github

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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}...

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Using AI Code Generation

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1var PDFNodeStreamFullReader = require('pdfjs-dist/lib/display/api.js').PDFNodeStreamFullReader;2var pdfjsLib = require('pdfjs-dist');3var fs = require('fs');4var path = require('path');5var pdfPath = path.join(__dirname, './test.pdf');6 canvas = document.getElementById('the-canvas'),7 ctx = canvas.getContext('2d');8var wptools = require('wptools');9var pdfjsLib = require('pdfjs-dist');10var fs = require('fs');11var path = require('path');12var pdfPath = path.join(__dirname, './test.pdf');13 canvas = document.getElementById('the-canvas'),14 ctx = canvas.getContext('2d');15var wptools = require('wptools');16var pdfjsLib = require('pdfjs-dist');17var fs = require('fs');18var path = require('path');19var pdfPath = path.join(__dirname, './test.pdf');20 canvas = document.getElementById('the-canvas'),21 ctx = canvas.getContext('2d');22var wptools = require('wptools');23var pdfjsLib = require('pdfjs-dist');24var fs = require('fs');25var path = require('path');26var pdfPath = path.join(__dirname, './test.pdf');27 canvas = document.getElementById('the-canvas'),28 ctx = canvas.getContext('2d');29var wptools = require('wptools');30var pdfjsLib = require('pdfjs-dist');31var fs = require('fs');32var path = require('path');33var pdfPath = path.join(__dirname, './test.pdf');

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Using AI Code Generation

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1const PDFNodeStreamFullReader = require('pdfjs-dist/lib/core/pdf_node_stream_full_reader.js').PDFNodeStreamFullReader;2const PDFJS = require('pdfjs-dist');3const fs = require('fs');4const path = require('path');5const pdfPath = path.resolve(__dirname, 'test.pdf');6const pdfjsLib = window['pdfjs-dist/build/pdf'];7const loadingTask = pdfjsLib.getDocument(pdfPath);8loadingTask.promise.then(function(pdf) {9 console.log('PDF loaded');10 const pageNumber = 1;11 pdf.getPage(pageNumber).then(function(page) {12 console.log('Page loaded');13 const scale = 1.5;14 const viewport = page.getViewport({scale: scale});15 const canvas = document.getElementById('the-canvas');16 const context = canvas.getContext('2d');17 canvas.height = viewport.height;18 canvas.width = viewport.width;19 const renderContext = {20 };21 const renderTask = page.render(renderContext);22 renderTask.promise.then(function () {23 console.log('Page rendered');24 });25 });26}, function (reason) {27 console.error(reason);28});29const PDFNodeStreamFullReader = require('pdfjs-dist/lib/core/pdf_node_stream_full_reader.js').PDFNodeStreamFullReader;30const PDFJS = require('pdfjs-dist');31const fs = require('fs');32const path = require('path');33const pdfPath = path.resolve(__dirname, 'test.pdf');34const pdfjsLib = window['pdfjs-dist/build/pdf'];

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Using AI Code Generation

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1var fs = require('fs');2var PDFNodeStreamFullReader = require('pdfreader').PDFNodeStreamFullReader;3var pdf_path = 'test.pdf';4var pdfReader = new PDFNodeStreamFullReader();5pdfReader.parseFileItems(pdf_path, function(err, item){6 if (!item || item.page) {7 console.log('page:', item.page);8 }9 else if (item.text) {10 console.log(item.text);11 }12});13var PDFJS = require('pdfjs-dist');14var pdf_path = 'test.pdf';15var pdf = PDFJS.getDocument(pdf_path);16pdf.then(function(pdf) {17 pdf.getPage(1).then(function(page) {18 var scale = 1.5;19 var viewport = page.getViewport(scale);20 page.getTextContent().then(function(textContent) {21 var textItems = textContent.items;22 var lastY, text = '';23 for (var i = 0; i < textItems.length; i++) {24 var item = textItems[i];25 if (lastY == item.transform[5] || !lastY) {26 text += item.str;27 } else {28 text += '\n' + item.str;29 }30 lastY = item.transform[5];31 }32 console.log(text);33 });34 });35});

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Using AI Code Generation

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1const stream = require('stream');2const PDFNodeStreamFullReader = require('pdfjs-dist/lib/core/pdf_node_stream_full_reader.js');3const PDFJS = require('pdfjs-dist');4const fs = require('fs');5const path = require('path');6const pdfPath = path.join(__dirname, 'test.pdf');7const pdfPath2 = path.join(__dirname, 'test2.pdf');8const pdfPath3 = path.join(__dirname, 'test3.pdf');9const pdfPath4 = path.join(__dirname, 'test4.pdf');10const pdfPath5 = path.join(__dirname, 'test5.pdf');11const pdfPath6 = path.join(__dirname, 'test6.pdf');12const pdfPath7 = path.join(__dirname, 'test7.pdf');13const pdfPath8 = path.join(__dirname, 'test8.pdf');14const pdfPath9 = path.join(__dirname, 'test9.pdf');15const pdfPath10 = path.join(__dirname, 'test10.pdf');16const pdfPath11 = path.join(__dirname, 'test11.pdf');17const pdfPath12 = path.join(__dirname, 'test12.pdf');18const pdfPath13 = path.join(__dirname, 'test13.pdf');19const pdfPath14 = path.join(__dirname, 'test14.pdf');20const pdfPath15 = path.join(__dirname, 'test15.pdf');21const pdfPath16 = path.join(__dirname, 'test16.pdf');22const pdfPath17 = path.join(__dirname, 'test17.pdf');23const pdfPath18 = path.join(__dirname, 'test18.pdf');24const pdfPath19 = path.join(__dirname, 'test19.pdf');25const pdfPath20 = path.join(__dirname, 'test20.pdf');26const pdfPath21 = path.join(__dirname, 'test21.pdf');27const pdfPath22 = path.join(__dirname, 'test22.pdf');28const pdfPath23 = path.join(__dirname, 'test23.pdf');29const pdfPath24 = path.join(__dirname, 'test24.pdf');30const pdfPath25 = path.join(__dirname, 'test25.pdf');31const pdfPath26 = path.join(__dirname, 'test26.pdf');32const pdfPath27 = path.join(__dirname, 'test27.pdf');33const pdfPath28 = path.join(__dirname, 'test28.pdf');34const pdfPath29 = path.join(__dirname, 'test29.pdf');35const pdfPath30 = path.join(__dirname, 'test

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Using AI Code Generation

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1var wptools = require('wptools');2var fs = require('fs');3var url = process.argv[2];4var page = wptools.page(url);5page.get(function(err, resp){6 if(err){7 console.log(err);8 }9 var reader = resp.pdf.reader;10 var buffer = new Buffer(0);11 reader.on('data', function(data){12 buffer = Buffer.concat([buffer, data]);13 });14 reader.on('end', function(){15 fs.writeFile('test.pdf', buffer, function(err){16 if(err){17 console.log(err);18 }19 console.log('done');20 });21 });22});

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