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How to use extractLangs method in Playwright Internal

Best JavaScript code snippet using playwright-internal

api_parser.js

Source:api_parser.js

...67        extendsName = member.text.substring('extends: ['.length, member.text.indexOf(']'));68        continue;69      }70    }71    const clazz = new Documentation.Class(extractLangs(node), name, [], extendsName, extractComments(node));72    this.classes.set(clazz.name, clazz);73  }74  /**75   * @param {MarkdownNode} spec76   */77  parseMember(spec) {78    const match = spec.text.match(/(event|method|property|async method): ([^.]+)\.(.*)/);79    if (!match)80      throw new Error('Invalid member: ' + spec.text);81    const name = match[3];82    let returnType = null;83    for (const item of spec.children || []) {84      if (item.type === 'li' && item.liType === 'default')85        returnType = this.parseType(item);86    }87    if (!returnType)88      returnType = new Documentation.Type('void');89    let member;90    if (match[1] === 'event')91      member = Documentation.Member.createEvent(extractLangs(spec), name, returnType, extractComments(spec));92    if (match[1] === 'property')93      member = Documentation.Member.createProperty(extractLangs(spec), name, returnType, extractComments(spec));94    if (match[1] === 'method' || match[1] === 'async method') {95      member = Documentation.Member.createMethod(extractLangs(spec), name, [], returnType, extractComments(spec));96      if (match[1] === 'async method')97        member.async = true;98    }99    const clazz = this.classes.get(match[2]);100    const existingMember = clazz.membersArray.find(m => m.name === name && m.kind === member.kind);101    if (existingMember && isTypeOverride(existingMember, member)) {102      for (const lang of member.langs.only) {103        existingMember.langs.types = existingMember.langs.types || {};104        existingMember.langs.types[lang] = returnType;105      }106    } else {107      clazz.membersArray.push(member);108    }109  }110  /**111   * @param {MarkdownNode} spec112   */113  parseArgument(spec) {114    const match = spec.text.match(/(param|option): (.*)/);115    if (!match)116      throw `Something went wrong with matching ${spec.text}`;117    // For "test.describe.only.title":118    // - className is "test"119    // - methodName is "describe.only"120    // - argument name is "title"121    const parts = match[2].split('.');122    const className = parts[0];123    const name = parts[parts.length - 1];124    const methodName = parts.slice(1, parts.length - 1).join('.');125    const clazz = this.classes.get(className);126    if (!clazz)127      throw new Error('Invalid class ' + className);128    const method = clazz.membersArray.find(m => m.kind === 'method' && m.name === methodName);129    if (!method)130      throw new Error(`Invalid method ${className}.${methodName} when parsing: ${match[0]}`);131    if (!name)132      throw new Error('Invalid member name ' + spec.text);133    if (match[1] === 'param') {134      const arg = this.parseProperty(spec);135      arg.name = name;136      const existingArg = method.argsArray.find(m => m.name === arg.name);137      if (existingArg && isTypeOverride(existingArg, arg)) {138        if (!arg.langs || !arg.langs.only)139          throw new Error('Override does not have lang: ' + spec.text);140        for (const lang of arg.langs.only) {141          existingArg.langs.overrides = existingArg.langs.overrides || {};142          existingArg.langs.overrides[lang] = arg;143        }144      } else {145        method.argsArray.push(arg);146      }147    } else {148      let options = method.argsArray.find(o => o.name === 'options');149      if (!options) {150        const type = new Documentation.Type('Object', []);151        options = Documentation.Member.createProperty({}, 'options', type, undefined, false);152        method.argsArray.push(options);153      }154      const p = this.parseProperty(spec);155      p.required = false;156      options.type.properties.push(p);157    }158  }159  /**160   * @param {MarkdownNode} spec161   */162  parseProperty(spec) {163    const param = childrenWithoutProperties(spec)[0];164    const text = param.text;165    const name = text.substring(0, text.indexOf('<')).replace(/\`/g, '').trim();166    const comments = extractComments(spec);167    return Documentation.Member.createProperty(extractLangs(spec), name, this.parseType(param), comments, guessRequired(md.render(comments)));168  }169  /**170   * @param {MarkdownNode=} spec171   * @return {Documentation.Type}172   */173  parseType(spec) {174    const arg = parseVariable(spec.text);175    const properties = [];176    for (const child of spec.children || []) {177      const { name, text } = parseVariable(child.text);178      const comments = /** @type {MarkdownNode[]} */ ([{ type: 'text', text }]);179      properties.push(Documentation.Member.createProperty({}, name, this.parseType(child), comments, guessRequired(text)));180    }181    return Documentation.Type.parse(arg.type, properties);182  }183}184/**185 * @param {string} line186 * @returns {{ name: string, type: string, text: string }}187 */188function parseVariable(line) {189  let match = line.match(/^`([^`]+)` (.*)/);190  if (!match)191    match = line.match(/^(returns): (.*)/);192  if (!match)193    match = line.match(/^(type): (.*)/);194  if (!match)195    match = line.match(/^(argument): (.*)/);196  if (!match)197    throw new Error('Invalid argument: ' + line);198  const name = match[1];199  const remainder = match[2];200  if (!remainder.startsWith('<'))201    throw new Error(`Bad argument: "${name}" in "${line}"`);202  let depth = 0;203  for (let i = 0; i < remainder.length; ++i) {204    const c = remainder.charAt(i);205    if (c === '<')206      ++depth;207    if (c === '>')208      --depth;209    if (depth === 0)210      return { name, type: remainder.substring(1, i), text: remainder.substring(i + 2) };211  }212  throw new Error('Should not be reached');213}214/**215 * @param {MarkdownNode[]} body216 * @param {MarkdownNode[]} params217 */218function applyTemplates(body, params) {219  const paramsMap = new Map();220  for (const node of params)221    paramsMap.set('%%-' + node.text + '-%%', node);222  const visit = (node, parent) => {223    if (node.text && node.text.includes('-inline- = %%')) {224      const [name, key] = node.text.split('-inline- = ');225      const list = paramsMap.get(key);226      const newChildren = [];227      if (!list)228        throw new Error('Bad template: ' + key);229      for (const prop of list.children) {230        const template = paramsMap.get(prop.text);231        if (!template)232          throw new Error('Bad template: ' + prop.text);233        const children = childrenWithoutProperties(template);234        const { name: argName } = parseVariable(children[0].text);235        newChildren.push({236          type: node.type,237          text: name + argName,238          children: template.children.map(c => md.clone(c))239        });240      }241      const nodeIndex = parent.children.indexOf(node);242      parent.children = [...parent.children.slice(0, nodeIndex), ...newChildren, ...parent.children.slice(nodeIndex + 1)];243    } else if (node.text && node.text.includes(' = %%')) {244      const [name, key] = node.text.split(' = ');245      node.text = name;246      const template = paramsMap.get(key);247      if (!template)248        throw new Error('Bad template: ' + key);249      node.children.push(...template.children.map(c => md.clone(c)));250    }251    for (const child of node.children || [])252      visit(child, node);253    if (node.children)254      node.children = node.children.filter(child => !child.text || !child.text.includes('-inline- = %%'));255  };256  for (const node of body)257    visit(node, null);258  return body;259}260/**261 * @param {MarkdownNode} item262 * @returns {MarkdownNode[]}263 */264function extractComments(item) {265  return (item.children || []).filter(c => {266    if (c.type.startsWith('h'))267      return false;268    if (c.type === 'li' && c.liType === 'default')269      return false;270    if (c.type === 'li' && c.text.startsWith('langs:'))271      return false;272    return true;273  });274}275/**276 * @param {string} comment277 */278function guessRequired(comment) {279  let required = true;280  if (comment.toLowerCase().includes('defaults to '))281    required = false;282  if (comment.startsWith('Optional'))283    required = false;284  if (comment.endsWith('Optional.'))285    required = false;286  if (comment.toLowerCase().includes('if set'))287    required = false;288  if (comment.toLowerCase().includes('if applicable'))289    required = false;290  if (comment.toLowerCase().includes('if available'))291    required = false;292  return required;293}294/**295 * @param {string} apiDir296 * @param {string=} paramsPath297 */298function parseApi(apiDir, paramsPath) {299  return new ApiParser(apiDir, paramsPath).documentation;300}301/**302 * @param {MarkdownNode} spec303 * @returns {import('./documentation').Langs}304 */305function extractLangs(spec) {306  for (const child of spec.children) {307    if (child.type !== 'li' || child.liType !== 'bullet' || !child.text.startsWith('langs:'))308      continue;309    const only = child.text.substring('langs:'.length).trim();310    /** @type {Object<string, string>} */311    const aliases = {};312    for (const p of child.children || []) {313      const match = p.text.match(/alias-(\w+)[\s]*:(.*)/);314      if (match)315        aliases[match[1].trim()] = match[2].trim();316    }317    return {318      only: only ? only.split(',').map(l => l.trim()) : undefined,319      aliases,...

i18n.js

Source:i18n.js

...14  var locales2paths = {};15  // Puts the paths of all locale files contained in a given directory16  // into `locales2paths` (files from various dirs are grouped by lang code)17  // (only json files with valid language code as name)18  function extractLangs(dir) {19    if(!existsSync(dir)) return;20    var stat = fs.lstatSync(dir);21    if (!stat.isDirectory() || stat.isSymbolicLink()) return;22    fs.readdirSync(dir).forEach(function(file) {23      file = path.resolve(dir, file);24      stat = fs.lstatSync(file);25      if (stat.isDirectory() || stat.isSymbolicLink()) return;26      var ext = path.extname(file)27      , locale = path.basename(file, ext).toLowerCase();28      if ((ext == '.json') && languages.isValid(locale)) {29        if(!locales2paths[locale]) locales2paths[locale] = [];30        locales2paths[locale].push(file);31      }32    });33  }34  //add core supported languages first35  extractLangs(npm.root+"/ep_etherpad-lite/locales");36  37  //add plugins languages (if any)38  for(var pluginName in plugins) extractLangs(path.join(npm.root, pluginName, 'locales'));39  // Build a locale index (merge all locale data)40  var locales = {}41  _.each (locales2paths, function(files, langcode) {42    locales[langcode]={};43    files.forEach(function(file) {44     var fileContents = JSON.parse(fs.readFileSync(file,'utf8'));45      _.extend(locales[langcode], fileContents);46    });47  });48  return locales;49}50// returns a hash of all available languages availables with nativeName and direction51// e.g. { es: {nativeName: "espaÃ±ol", direction: "ltr"}, ... }52function getAvailableLangs(locales) {...

Using AI Code Generation

1const { extractLangs } = require('playwright-core/lib/server/i18n');2console.log(extractLangs('en,fr,de'));3console.log(extractLangs('en,fr,de', 'en'));4const { extractLangs } = require('playwright-core/lib/server/i18n');5console.log(extractLangs('en,fr,de'));6console.log(extractLangs('en,fr,de', 'en'));7const { extractLangs } = require('playwright-core/lib/server/i18n');8console.log(extractLangs('en,fr,de'));9console.log(extractLangs('en,fr,de', 'en'));10const { extractLangs } = require('playwright-core/lib/server/i18n');11console.log(extractLangs('en,fr,de'));12console.log(extractLangs('en,fr,de', 'en'));13const { extractLangs } = require('playwright-core/lib/server/i18n');14console.log(extractLangs('en,fr,de'));15console.log(extractLangs('en,fr,de', 'en'));16const { extractLangs } = require('playwright-core/lib/server/i18n');17console.log(extractLangs('en,fr,de'));18console.log(extractLangs('en,fr,de', 'en'));

Using AI Code Generation

1const { extractLangs } = require('playwright/lib/server/common/supplements.js');2const langs = extractLangs('en-US');3console.log(langs);4const { extractLangs } = require('playwright/lib/server/common/supplements.js');5const langs = extractLangs('en-US');6const context = await browser.newContext({ acceptLanguages: langs });7const page = await context.newPage();

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