Tabnine Logo For Javascript
Array.map
Code IndexAdd Tabnine to your IDE (free)

How to use
map
function
in
Array

Best JavaScript code snippets using builtins.Array.map(Showing top 15 results out of 55,809)

origin: Automattic/wp-calypso

/**
 * Reads a list of files and joins their contents together with newlines
 *
 * @param  {Array<string>} inputFiles Paths of the files to parse
 * @returns {string}                   Concatenated file contents
 */
function concatAllFiles( inputFiles ) {
  return inputFiles.map( ( inputFile ) => fs.readFileSync( inputFile, 'utf8' ) ).join( '\n' );
}
origin: Automattic/wp-calypso

Object.keys( SUPPORTED_CURRENCIES ).map( ( value ) => {
  const { symbol } = getCurrencyDefaults( value );
  const label = symbol === value ? value : `${ value } ${ trimEnd( symbol, '.' ) }`;
  return { value, label };
} )
origin: builderbook/builderbook

static async getBySlug({ slug }) {
  const bookDoc = await this.findOne({ slug });
  if (!bookDoc) {
   throw new Error('Book not found');
  }

  const book = bookDoc.toObject();

  book.chapters = (await Chapter.find({ bookId: book._id }, 'title slug').sort({ order: 1 })).map(
   (chapter) => chapter.toObject(),
  );
  return book;
 }
origin: cube-js/cube.js

async tablesSchema() {
  const tables = await this.query(`show tables in ${this.config.dbName}`);

  return {
   [this.config.dbName]: (await Promise.all(tables.map(async table => {
    const tableName = table.tab_name || table.tableName;
    const columns = await this.query(`describe ${this.config.dbName}.${tableName}`);
    return {
     [tableName]: columns.map(c => ({ name: c.col_name, type: c.data_type }))
    };
   }))).reduce((a, b) => ({ ...a, ...b }), {})
  };
 }
origin: Flood-UI/flood

processSpeedsForDisplay(speeds = []) {
  if (!speeds || speeds.length === 0) {
   return;
  }

  return speeds.map(speed => Number(speed) / 1024).join(', ');
 }
origin: Sly777/ran

// should render on <head>
 helmetHeadComponents() {
  const keys = Object.keys(this.props.helmet)
   .filter(el => el !== 'htmlAttributes')
   .map(el => this.props.helmet[el].toComponent())
   .filter(
    el =>
     el.length > 0 ||
     !(Object.keys(el).length === 0 && el.constructor === Object)
   );

  return keys.length ? keys : [];
 }
origin: atulmy/crate

colorsMap.map(color => {
 colorStories.add(color.name, () => (
  <span style={{ color: color.code }}>{color.name} - {color.code}</span>
 ))
})
origin: cube-js/cube.js

cubeCardinalityQueries() { // TODO collect sub queries
  return R.fromPairs(this.allCubeNames
   .map(cube => [
    cube,
    this.paramAllocator.buildSqlAndParams(`select count(*) as ${this.escapeColumnName('total_count')} from ${this.cubeSql(cube)} ${this.asSyntaxTable} ${this.cubeAlias(cube)}`)
   ]));
 }
origin: BrainJS/brain.js

// 'a'

/**
 * Turn the # into 1s and . into 0s. for whole string
 * @param string
 * @returns {Array}
 */
function character(string: string): number[] {
 return string.trim().split('').map(integer);
}
origin: cube-js/cube.js

(process.env.NODE_PATH || '')
 .split(path.delimiter)
 .filter(folder => folder && !path.isAbsolute(folder))
 .map(folder => path.resolve(appDirectory, folder))
 .join(path.delimiter)
origin: Flood-UI/flood

Object.keys(this.state.changedClientSettings).map(settingsKey => {
   const data = this.state.changedClientSettings[settingsKey];

   if (data.overrideLocalSetting) {
    return data;
   }

   return {id: settingsKey, data};
  })
origin: Binaryify/NeteaseCloudMusicApi

Object.keys(options.cookie)
    .map(
     (key) =>
      encodeURIComponent(key) +
      '=' +
      encodeURIComponent(options.cookie[key]),
    )
    .join('; ')
origin: GladysAssistant/Gladys

Object.keys(props.dictionary.services).map(host => (
              <option value={host}>
               <Text id={`integration.caldav.services.${host}.name`} />
              </option>
             ))
origin: avwo/whistle

function getValues() {
 var values = {};
 var dir = path.join(__dirname, 'assets/values');
 fs.readdirSync(dir).map(function(name) {
  values[name] = fs.readFileSync(path.join(dir, name), {encoding: 'utf8'});
 });
 return values;
}
origin: atulmy/crate

fontsMap.map(font => {
 fontsStories.add(font.name, () => (
  <span style={{ fontFamily: font.family }}>{font.name} - {font.family}</span>
 ))
})
builtins(MDN)Arraymap

JSDoc

Calls a defined callback function on each element of an array, and returns an array that contains the results.

Most used builtins functions

  • Console.log
  • Console.error
  • Promise.then
    Attaches callbacks for the resolution and/or rejection of the Promise.
  • Promise.catch
    Attaches a callback for only the rejection of the Promise.
  • Array.push
    Appends new elements to an array, and returns the new length of the array.
  • Array.length,
  • Array.map,
  • String.indexOf,
  • fetch,
  • Window.location,
  • Window.addEventListener,
  • ObjectConstructor.keys,
  • Array.forEach,
  • Location.reload,
  • Response.status,
  • Navigator.serviceWorker,
  • ServiceWorkerContainer.register,
  • ServiceWorkerRegistration.installing,
  • ServiceWorkerContainer.controller

Popular in JavaScript

  • readable-stream
    Streams3, a user-land copy of the stream library from Node.js
  • mongodb
    The official MongoDB driver for Node.js
  • semver
    The semantic version parser used by npm.
  • minimatch
    a glob matcher in javascript
  • lodash
    Lodash modular utilities.
  • moment
    Parse, validate, manipulate, and display dates
  • commander
    the complete solution for node.js command-line programs
  • mkdirp
    Recursively mkdir, like `mkdir -p`
  • mocha
    simple, flexible, fun test framework
  • Top plugins for Android Studio
Tabnine Logo
  • Products

    Search for Java codeSearch for JavaScript code
  • IDE Plugins

    IntelliJ IDEAWebStormVisual StudioAndroid StudioEclipseVisual Studio CodePyCharmSublime TextPhpStormVimGoLandRubyMineEmacsJupyter NotebookJupyter LabRiderDataGripAppCode
  • Company

    About UsContact UsCareers
  • Resources

    FAQBlogTabnine AcademyTerms of usePrivacy policyJavascript Code Index
Get Tabnine for your IDE now