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How to use readRegularExpression method in Playwright Internal
Best JavaScript code snippet using playwright-internal
app.js
Source:app.js 
...602 switch ($type) {603 case "path_template":604 return valueOrDefault(readPathTemplate($composer), $default);605 case "regular_expression":606 return valueOrDefault(readRegularExpression($composer), $default);607 case "json_path":608 default:609 return valueOrDefault(readJsonPath($composer), $default);610 }611 case "math":612 return valueOrDefault(math($composer), $default);613 case "fold":614 return valueOrDefault(fold($composer), $default);615 case "compare":616 return valueOrDefault(compare($composer), $default);617 case "match":618 switch ($type) {619 case "path_template":620 return valueOrDefault(matchPathTemplate($composer), $default);...
tokenizer.js
Source:tokenizer.js
1import { anyOf } from '@twipped/utils';2import { parseOperators } from './operators.js';3let tokenIndex = 0;4export const T_WHITESPACE = tokenIndex++;5export const T_TARGET = tokenIndex++;6export const T_FILTER = tokenIndex++;7export const T_CHILD = tokenIndex++;8export const T_RECURSE = tokenIndex++;9export const T_OPERATOR = tokenIndex++;10export const T_IDENTIFIER = tokenIndex++;11export const T_LITERAL_NUM = tokenIndex++;12export const T_LITERAL_STR = tokenIndex++;13export const T_LITERAL_PRI = tokenIndex++;14export const T_BRACKET_OPEN = tokenIndex++;15export const T_BRACKET_CLOSE = tokenIndex++;16export const T_PAREN_OPEN = tokenIndex++;17export const T_PAREN_CLOSE = tokenIndex++;18export const T_SLICE = tokenIndex++;19export const T_UNION = tokenIndex++;20export const T_MAP_OPEN = tokenIndex++;21export const T_MAP_CLOSE = tokenIndex++;22export const T_REGEXP = tokenIndex++;23export const T = [24 'T_WHITESPACE',25 'T_TARGET',26 'T_FILTER',27 'T_CHILD',28 'T_RECURSE',29 'T_OPERATOR',30 'T_IDENTIFIER',31 'T_LITERAL_NUM',32 'T_LITERAL_STR',33 'T_LITERAL_PRI',34 'T_BRACKET_OPEN',35 'T_BRACKET_CLOSE',36 'T_PAREN_OPEN',37 'T_PAREN_CLOSE',38 'T_SLICE',39 'T_UNION',40 'T_MAP_OPEN',41 'T_MAP_CLOSE',42];43const NUMBERS_CAN_FOLLOW = new Set([44 T_WHITESPACE,45 T_CHILD,46 T_RECURSE,47 T_OPERATOR,48 T_BRACKET_OPEN,49 T_PAREN_OPEN,50 T_SLICE,51 T_UNION,52]);53import {54 LF,55 CR,56 SPACE,57 DOUBLEQUOT,58 HASH,59 DOLLAR,60 PERCENT,61 QUOT,62 PAREN_OPEN,63 PAREN_CLOSE,64 COMMA,65 MINUS,66 PERIOD,67 COLON,68 QUESTION,69 AT,70 BRACKET_OPEN,71 BRACKET_CLOSE,72 SLASH,73 BACKSLASH,74 UNDERSCORE,75 CURL_OPEN,76 CURL_CLOSE,77 NBSP,78} from './characters.js';79const isAlpha = (char) => (char >= 65 && char <= 90) || (char >= 97 && char <= 122);80const isNumeric = (char) => (char >= 48 && char <= 57);81const isIdent = anyOf(isAlpha, isNumeric, UNDERSCORE, DOLLAR);82const isMinusPeriod = (char) => (char === MINUS || char === PERIOD);83const isQuot = (char) => (char === QUOT || char === DOUBLEQUOT);84export default function tokenizer (input, { operators = {} } = {}) {85 const {86 SYMBOLS: OP_SYMBOLS,87 WORDS: OP_WORDS,88 } = parseOperators(operators);89 input = input.trim();90 const max = input.length - 1;91 let pos = 0;92 let line = 1;93 let col = 1;94 let tokens = [];95 let tindex = -1;96 let previous = null;97 function token (type, contents = null, l = line, c = col, extra) {98 const tok = { type, contents, line: l, column: c, ...extra };99 tokens.push(tok);100 previous = tok;101 return tok;102 }103 function debug (...args) { // eslint-disable-line104 console.log(`${input.slice(Math.max(0, pos - 20), pos)} | ${input.slice(pos, pos + 20)}`, ...args); // eslint-disable-line no-console105 }106 const err = new SyntaxError();107 function wtf (msg, { l = line, c = col, ...extra } = {}) {108 err.message = msg + ` (${l}:${c})`;109 console.dir(tokens); // eslint-disable-line no-console110 throw Object.assign(err, extra, { line: l, column: c });111 }112 function plc () { return { p: pos, l: line, c: col }; }113 function matchChars (...chars) {114 let i = 0;115 for (const char of chars) {116 if (peek(i++) !== char) return false;117 }118 return true;119 }120 function peek (delta = 0) {121 const i = pos + delta;122 if (i > max || i < 0) return;123 return input.charCodeAt(i);124 }125 function parseChar (char) {126 if (char === CR || char === LF) {127 line++;128 col = 1;129 // account for CRLF130 if (char === CR && input.charCodeAt(pos) === LF) {131 pos++;132 }133 } else {134 col++;135 }136 }137 function move (delta = 1) {138 const index = Math.min(max + 1, Math.max(0, pos + delta));139 if (delta > 0) for (let i = pos; i < index; i++) parseChar(input.charCodeAt(i));140 pos = index;141 return pos <= max;142 }143 function eof () {144 return pos > max;145 }146 function readWhitespace () {147 const { p, l, c } = plc();148 let char;149 while (pos <= max && (char = peek(0))) {150 if (char > 14 && char !== SPACE && char !== NBSP) break;151 move();152 }153 if (p === pos) return;154 token(T_WHITESPACE, input.slice(p, pos), l, c);155 return true;156 }157 function readParenStart () {158 if (peek() !== PAREN_OPEN) return;159 token(T_PAREN_OPEN, '(');160 move();161 return true;162 }163 function readParenEnd () {164 if (peek() !== PAREN_CLOSE) return;165 token(T_PAREN_CLOSE, ')');166 move();167 return true;168 }169 function readBrackStart () {170 if (peek() !== BRACKET_OPEN) return;171 token(T_BRACKET_OPEN, '[');172 move();173 return true;174 }175 function readBrackEnd () {176 if (peek() !== BRACKET_CLOSE) return;177 token(T_BRACKET_CLOSE, ']');178 move();179 return true;180 }181 function readCurlStart () {182 if (peek() !== CURL_OPEN) return;183 token(T_MAP_OPEN, '{');184 move();185 return true;186 }187 function readCurlEnd () {188 if (peek() !== CURL_CLOSE) return;189 token(T_MAP_CLOSE, '}');190 move();191 return true;192 }193 function readOperator () {194 const char = peek();195 if (char === PERIOD) {196 if (peek(1) === PERIOD) {197 token(T_RECURSE, '..');198 move(2);199 } else {200 token(T_CHILD, '.');201 move();202 }203 return true;204 }205 if (char === AT) {206 token(T_TARGET, '@'); // scope207 move();208 return true;209 }210 if (char === COLON) {211 token(T_SLICE, ':');212 move();213 return true;214 }215 if (char === COMMA) {216 token(T_UNION, ',');217 move();218 return true;219 }220 if (char === HASH) {221 token(T_TARGET, '#'); // key222 move();223 return true;224 }225 if (char === PERCENT) {226 token(T_TARGET, '%'); // index227 move();228 return true;229 }230 for (const [ oper, ...chars ] of OP_SYMBOLS) {231 if (matchChars(...chars)) {232 const { l, c } = plc();233 move(oper.length);234 token(T_OPERATOR, oper, l, c, { symbol: true });235 return true;236 }237 }238 if (char === QUESTION) {239 token(T_FILTER, '?');240 move();241 return true;242 }243 }244 function readIdentifier () {245 let char = peek();246 if (isNumeric(char) || !isIdent(char) || char === PERIOD) return;247 const { p, l, c } = plc();248 move();249 while ((char = peek())) {250 if (!isIdent(char)) break;251 move();252 }253 if (p === pos) return;254 const contents = input.slice(p, pos);255 if (contents === 'true') token(T_LITERAL_PRI, true, l, c);256 else if (contents === 'false') token(T_LITERAL_PRI, false, l, c);257 else if (contents === 'null') token(T_LITERAL_PRI, null, l, c);258 else if (contents === '$') token(T_TARGET, '$', l, c); // root259 else if (OP_WORDS.includes(contents)) token(T_OPERATOR, contents, l, c);260 else token(T_IDENTIFIER, contents, l, c);261 return true;262 }263 function readNumber () {264 let char = peek();265 if (!isNumeric(char) && !isMinusPeriod(char)) return;266 if (isMinusPeriod(char) && !isNumeric(peek(1))) return;267 const { p, l, c } = plc();268 let hasPeriod = false;269 do {270 if (char === MINUS) {271 if (previous && !NUMBERS_CAN_FOLLOW.has(previous.type)) {272 // this minus has to be an operator273 return;274 }275 if (pos !== p) break;276 move();277 continue;278 }279 // found a minus after the start of the number, this is not part of the token.280 if (char === PERIOD) {281 if (hasPeriod) break; // we found an extra period, not part of the token.282 hasPeriod = true;283 } else if (!isNumeric(char)) break;284 // found something that was neither number nor period, not part of the token.285 move();286 } while ((char = peek()));287 if (p === pos) return;288 token(T_LITERAL_NUM, input.slice(p, pos), l, c);289 return true;290 }291 function readString () {292 let char = peek();293 if (!isQuot(char)) return;294 const { p, l, c } = plc();295 const fence = char;296 move();297 while ((char = peek())) {298 if (char === BACKSLASH) {299 move(2);300 continue;301 }302 if (char === fence) {303 token(T_LITERAL_STR, pos - p === 1 ? '' : input.slice(p + 1, pos).replace(/\\(.)/, '$1'), l, c);304 move();305 return true;306 }307 move();308 }309 wtf(`Unterminated string literal: ${input.substr(p, 20)}â¦`, { l, c });310 }311 function readRegularExpression () {312 let char = peek();313 if (char !== SLASH || peek(2) === SLASH) return; // skip "//"314 const { p, l, c } = plc();315 const fence = char;316 move();317 let closed = false;318 while ((char = peek())) {319 if (closed) {320 if (isAlpha(char)) {321 // read flags322 move();323 continue;324 }325 break;326 }327 if (char === BACKSLASH) {328 move(2);329 continue;330 }331 if (char === fence) {332 closed = true;333 move();334 continue;335 }336 move();337 }338 if (closed) {339 const [ , re, flags ] = input.slice(p, pos).split('/');340 try {341 token(T_REGEXP, new RegExp(re, flags || undefined), l, c);342 return true;343 } catch (e) {344 wtf(e.message + ': ' + re, { l, c });345 }346 }347 wtf(`Unterminated regular expression: ${input.substr(p, 20)}â¦`, { l, c });348 }349 function read () {350 if (eof()) return false;351 for (const r of read.order) {352 if (r()) return true;353 }354 wtf(`Unknown token: ${input.substr(pos, 20)}â¦`);355 }356 read.order = [357 readWhitespace,358 readBrackStart,359 readParenStart,360 readCurlStart,361 readIdentifier,362 readNumber,363 readString,364 readRegularExpression,365 readOperator,366 readBrackEnd,367 readParenEnd,368 readBrackEnd,369 readCurlEnd,370 ];371 tokens = tokens.filter((t) => t.type !== T_WHITESPACE);372 return {373 debug () {374 return { pos, max, tindex, tokens };375 },376 get eof () {377 return eof() && tindex >= tokens.length - 1;378 },379 get current () {380 while (tindex >= tokens.length && !eof()) read();381 return tokens[tindex];382 },383 readAll () {384 while (read());385 return tokens;386 },387 remaining () {388 while (read());389 return tokens.slice(tindex);390 },391 reset () {392 tindex = -1;393 return this;394 },395 next () {396 tindex++;397 while (tindex >= tokens.length && !eof()) read();398 if (tokens[tindex] && tokens[tindex].type === T_WHITESPACE) return this.next();399 return tokens[tindex];400 },401 prev () {402 do {403 if (!tindex) break;404 tindex--;405 } while (tokens[tindex] && tokens[tindex].type === T_WHITESPACE);406 return tokens[tindex];407 },408 peek (delta = 1) {409 const idx = tindex + delta;410 while (idx >= tokens.length && !eof()) read();411 if (tokens[idx] && tokens[idx].type === T_WHITESPACE) return this.peek(delta + 1);412 return tokens[idx];413 },414 };...
Using AI Code Generation
1const { readRegularExpression } = require('playwright-core/lib/server/frames');2const { Page } = require('playwright-core/lib/server/page');3const { Frame } = require('playwright-core/lib/server/frame');4const { ElementHandle } = require('playwright-core/lib/server/elementHandler');5const { JSHandle } = require('playwright-core/lib/server/jsHandle');6const { helper } = require('playwright-core/lib/server/helper');7const { assert } = require('playwright-core/lib/server/helper');8const fs = require('fs');9const { promisify } = require('util');10const readFileAsync = promisify(fs.readFile);11const file = await readFileAsync('test.html', 'utf8');12const page = await browser.newPage();13await page.setContent(file);14const frame = page.mainFrame();15const elementHandle = await frame.$('div');16const jsHandle = await elementHandle.evaluateHandle(() => document.body);17const regex = await readRegularExpression(frame, '([0-9]+)');18const result = await jsHandle.evaluate(regex => regex.test('123'), regex);19assert(result === true, 'should pass');
Using AI Code Generation
1const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");2const regex = readRegularExpression("regex");3const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");4const regex = readRegularExpression("regex");5const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");6const regex = readRegularExpression("regex");7const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");8const regex = readRegularExpression("regex");9const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");10const regex = readRegularExpression("regex");11const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");12const regex = readRegularExpression("regex");13const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");14const regex = readRegularExpression("regex");15const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");16const regex = readRegularExpression("regex");17const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");18const regex = readRegularExpression("regex");19const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");20const regex = readRegularExpression("regex");21const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");22const regex = readRegularExpression("regex");23const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");24const regex = readRegularExpression("regex");25const { readRegularExpression } = require("@playwright/test/lib/utils/regexpp");26const regex = readRegularExpression("regex");27const { read
Using AI Code Generation
1const { readRegularExpression } = require("playwright-core/lib/server/frames");2const { attributes } = require("playwright-core/lib/server/frames");3const { Frame } = require("playwright-core/lib/server/frames");4const { ElementHandle } = require("playwright-core/lib/server/frames");5const { JSHandle } = require("playwright-core/lib/server/frames");6const { helper } = require("playwright-core/lib/server/frames");7const { assert } = require("playwright-core/lib/server/frames");8const { debugError } = require("playwright-core/lib/server/frames");9const { debug } = require("playwright-core/lib/server/frames");10const { debugServer } = require("playwright-core/lib/server/frames");11const { Page } = require("playwright-core/lib/server/page");12const { Connection } = require("playwright-core/lib/server/connection");13const { parseSelector } = require("playwright-core/lib/server/selectors");14const { Selector } = require("playwright-core/lib/server/selectors");15const { ElementHandleDispatcher } = require("playwright-core/lib/server/channels");16const { PageDispatcher } = require("playwright-core/lib/server/channels");17const { FrameDispatcher } = require("playwright-core/lib/server/channels");18const { JSHandleDispatcher } = require("playwright-core/lib/server/channels");19const { evaluateHandle } = require("playwright-core/lib/server/frames");20const { evaluateExpression } = require("playwright-core/lib/server/frames");21const { createJSHandle } = require("playwright-core/lib/server/frames");22const { createHandle } = require("playwright-core/lib/server/frames");23const { createHandleInUtilityContext } = require("playwright-core/lib/server/frames");24const { createHandleInPageContext } = require("playwright-core/lib/server/frames");25const { createHandleInNewContext } = require("playwright-core/lib/server/frames");26const { FrameInitializer } = require("playwright-core/lib/server/frames");27const { FrameChannel } = require("playwright-core/lib/server/frames");28const { Frame } = require("playwright-core/lib/server/frames");29const { FrameOwner } = require("playwright-core/lib/server/frames");30const { FrameManager } = require("playwright-core/lib/server/frames");31const { FrameTree } = require("playwright-core/lib/server/frames");
Using AI Code Generation
1const { readRegularExpression } = require('playwright/lib/utils/regexpp');2const pattern = readRegularExpression('foo');3console.log(pattern);4const { readRegularExpression } = require('playwright/lib/utils/regexpp');5const pattern = readRegularExpression('foo');6console.log(pattern);7const { readRegularExpression } = require('playwright/lib/utils/regexpp');8const pattern = readRegularExpression('foo');9console.log(pattern);10const { readRegularExpression } = require('playwright/lib/utils/regexpp');11const pattern = readRegularExpression('foo');12console.log(pattern);13const { readRegularExpression } = require('playwright/lib/utils/regexpp');14const pattern = readRegularExpression('foo');15console.log(pattern);16const { readRegularExpression } = require('playwright/lib/utils/regexpp');17const pattern = readRegularExpression('foo');18console.log(pattern);19const { readRegularExpression } = require('playwright/lib/utils/regexpp');20const pattern = readRegularExpression('foo');21console.log(pattern);22const { readRegularExpression } = require('playwright/lib/utils/regexpp');23const pattern = readRegularExpression('foo');24console.log(pattern);25const { readRegularExpression } = require('playwright/lib/utils/regexpp');26const pattern = readRegularExpression('foo');27console.log(pattern);28const { readRegularExpression } = require('playwright/lib/utils/regexpp');29const pattern = readRegularExpression('foo');30console.log(pattern);31const { readRegularExpression } = require('playwright/lib/utils/regexpp');32const pattern = readRegularExpression('foo');33console.log(pattern);34const { readRegularExpression } = require('playwright/lib/utils/regexpp');
Using AI Code Generation
1const { readRegularExpression } = require('playwright-chromium/lib/utils/regexpparser');2const regex = readRegularExpression(/test/);3const { regexpparser } = require('playwright-chromium');4const regex = regexpparser.readRegularExpression(/test/);5const { regexpparser } = require('playwright');6const regex = regexpparser.readRegularExpression(/test/);7const { regexpparser } = require('playwright');8const regex = regexpparser.readRegularExpression(/test/);9const { regexpparser } = require('playwright');10const regex = regexpparser.readRegularExpression(/test/);11const { regexpparser } = require('playwright');12const regex = regexpparser.readRegularExpression(/test/);13const { regexpparser } = require('playwright');14const regex = regexpparser.readRegularExpression(/test/);15const { regexpparser } = require('playwright');16const regex = regexpparser.readRegularExpression(/test/);17const { regexpparser } = require('playwright');18const regex = regexpparser.readRegularExpression(/test/);19const { regexpparser } = require('playwright');20const regex = regexpparser.readRegularExpression(/test/);21const { regexpparser } = require('playwright');22const regex = regexpparser.readRegularExpression(/test/);23const { regexpparser } = require('playwright');24const regex = regexpparser.readRegularExpression(/test/);25const { regexpparser } = require('playwright');26const regex = regexpparser.readRegularExpression(/test/);27const { regexpparser } = require('playwright');28const regex = regexpparser.readRegularExpression(/test
Using AI Code Generation
1const { readRegularExpression } = require('playwright/lib/server/registry');2console.log(regExp);3const { readRegularExpression } = require('playwright/lib/server/registry');4console.log(regExp);5const { readRegularExpression } = require('playwright/lib/server/registry');6console.log(regExp);7const { readRegularExpression } = require('playwright/lib/server/registry');8console.log(regExp);9const { readRegularExpression } = require('playwright/lib/server/registry');10console.log(regExp);11const { readRegularExpression } = require('playwright/lib/server/registry');12console.log(regExp);13const { readRegularExpression } = require('playwright/lib/server/registry');14console.log(regExp);15const { readRegularExpression } = require('playwright/lib/server/registry');16console.log(regExp);17const { readRegularExpression } = require('playwright/lib/server/registry');18console.log(regExp);19const { readRegularExpression
Using AI Code Generation
1const { readRegularExpression } = require('@playwright/test/lib/utils/utils');2const regex = readRegularExpression('some regex string');3console.log(regex);4const { readRegularExpression } = require('@playwright/test/lib/utils/utils');5const regex = readRegularExpression('some regex string');6console.log(regex);
Using AI Code Generation
1const { readRegularExpression } = require('@playwright/test/lib/utils/regexp');2const regexp = readRegularExpression({ value: 'someRegExp' });3console.log(regexp);4const { readRegularExpression } = require('@playwright/test/lib/utils/regexp');5const regexp = readRegularExpression({ value: 'someRegExp' });6console.log(regexp);7If you are using TypeScript, you can use the following code to import the readRegularExpression method:8import { readRegularExpression } from '@playwright/test/lib/utils/regexp';9const regexp = readRegularExpression({ value: 'someRegExp' });10console.log(regexp);11import { readRegularExpression } from '@playwright/test/lib/utils/regexp';12const regexp = readRegularExpression({ value: 'someRegExp' });13console.log(regexp);
Using AI Code Generation
1const { readRegularExpression } = require('playwright-core/lib/utils/regexpparser');2const regex = readRegularExpression('test');3console.log(regex);4const { readRegularExpression } = require('playwright-core/lib/utils/regexpparser');5const regex = readRegularExpression('test');6console.log(regex);7const { readRegularExpression } = require('playwright-core/lib/utils/regexpparser');8const regex = readRegularExpression('test');9console.log(regex);10const { readRegularExpression } = require('playwright-core/lib/utils/regexpparser');11const regex = readRegularExpression('test');12console.log(regex);13const { readRegularExpression } = require('playwright-core/lib/utils/regexpparser');14const regex = readRegularExpression('test');15console.log(regex);16const { readRegularExpression } = require('playwright-core/lib/utils/regexpparser');17const regex = readRegularExpression('test');18console.log(regex);19const { readRegularExpression } = require('playwright-core/lib/utils/regexpparser');20const regex = readRegularExpression('test');21console.log(regex);22const { readRegularExpression } = require('playwright-core/lib/utils/regexpparser');23const regex = readRegularExpression('test');24console.log(regex);
Using AI Code Generation
1const { readRegularExpression } = require('playwright/lib/protocol/protocol');2const regex = readRegularExpression('test');3console.log(regex);4const { readRegularExpression } = require('playwright/lib/protocol/protocol');5const regex = readRegularExpression('test');6console.log(regex);7const { chromium } = require('playwright');8(async () => {9 const browser = await chromium.launch();10 const page = await browser.newPage();11 await page.waitForSelector('input[type="text"]');12 await page.type('input[type="text"]', 'test');13 await page.click('input[type="submit"]');14 await page.waitForSelector('h3');15 const title = await page.title();16 console.log(title);17 const regex = readRegularExpression('test');18 if (regex.test(title)) {19 console.log('Test passed');20 } else {21 console.log('Test failed');22 }23 await browser.close();24})();
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