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How to use the template function from lodash

Find comprehensive JavaScript lodash.template code examples handpicked from public code repositorys.

lodash.template is a function that generates a reusable function for rendering a template string with interpolated variables and control statements.

astrobench.js

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* @returns {Function|string} Returns a compiled function when no `data` object
*  is given, else it returns the interpolated text.
* @example
*
* // using the "interpolate" delimiter to create a compiled template
* var compiled = _.template('hello <%= name %>');
* compiled({ 'name': 'fred' });
* // => 'hello fred'
*
* // using the "escape" delimiter to escape HTML in data property values

711

+ 19 other calls in file

lodash-contrib.commonjs.js

GitHub: node4good/lodash-contrib

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module.exports.takeRight           = _.takeRight;
module.exports.takeRightWhile      = _.takeRightWhile;
module.exports.takeSkipping        = _.takeSkipping;
module.exports.takeWhile           = _.takeWhile;
module.exports.tap                 = _.tap;
module.exports.template            = _.template;
module.exports.templateSettings    = _.templateSettings;
module.exports.ternary             = _.ternary;
module.exports.third               = _.third;
module.exports.throttle            = _.throttle;

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+ 92 other calls in file

How does lodash.template work?

lodash.template takes a string with embedded variables and control statements and returns a compiled template function. The compiled function takes an object as its argument and returns a rendered string, with variables replaced by their corresponding values from the object.

Here's a high-level overview of how lodash.template works:

The template string is parsed to identify variables and control statements.
The parsed template is transformed into a JavaScript function with the embedded variables and control statements replaced by appropriate JavaScript code.
The transformed function is compiled using the Function constructor and returned as the final compiled template function.

The resulting function can then be called with an object containing values for the variables used in the template. The function returns the final rendered string with the variable placeholders replaced by their corresponding values.

Note that lodash.template supports a wide range of control statements, including conditionals, loops, and custom delimiters. The syntax for these statements is based on the Mustache templating language, with some additional extensions.

test.utils.js

GitHub: open-condo-software/condo

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let interpolatedMessageForUser
if (errorFields.messageForUser) {
    const locale = conf.DEFAULT_LOCALE
    const translations = getTranslations(locale)
    const translatedMessage = translations[errorFields.messageForUser]
    interpolatedMessageForUser = template(translatedMessage)(errorFields.messageInterpolation)
    if (!interpolatedMessageForUser) throw new Error(`expectToThrowGQLError(): you need to set ${errorFields.messageForUser} for locale=${locale}`)
}
const message = template(errorFields.message)(errorFields.messageInterpolation)

+ 9 other calls in file

ApiSigningUtil.js

GitHub: GovTechSG/node-apex-api-security

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 */
ApiSigningUtil.getHMACSignature = (message, secret) => {
    winston.logEnter(message, secret);

    if (isNullOrEmpty(message) || isNullOrEmpty(secret)) {
        let compiled = _.template('<%= message %> and <%= secret %> must not be null or empty!');
        let errorMessage = compiled({
            message: 'message',
            secret: 'secret',
        });

+ 47 other calls in file

Ai Example

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const _ = require("lodash");

const templateString =
  "Hello <%= name %>! How are you feeling <%= feeling %> today?";
const compiledTemplate = _.template(templateString);

const renderedString = compiledTemplate({ name: "Alice", feeling: "happy" });
console.log(renderedString); // Output: Hello Alice! How are you feeling happy today?

In this example, we're requiring the lodash package and importing the template function from it. We're then defining a string called templateString with embedded variables using the <%= %> syntax. We're then calling _.template with templateString as an argument to generate a compiled template function. The resulting function takes an object as its argument and returns a rendered string with the variable placeholders replaced by their corresponding values. We're then calling the compiled template function with an object containing the values for the name and feeling variables. The resulting rendered string is stored in renderedString. The output of console.log(renderedString) is Hello Alice! How are you feeling happy today?.

GitHub: radum/yo

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});

var args = opts.argv.remain;
var cmd = args[0];

var helpScreen = _.template(fs.readFileSync(path.join(__dirname, 'help.txt'), 'utf8'));

var insight = new Insight({
  trackingCode: 'UA-31537568-1',
  packageName: pkg.name,

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build.js

GitHub: espoon-voltti/evaka

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const indexCss = findOutputFile(outputs, outdir, 'index', 'css')
if (!indexJs || !indexCss) {
  throw new Error(`No output file for index.js or index.css for ${name}`)
}

const indexHtml = _.template(
  await fs.readFile(`${srcdir}/index-esbuild.html`)
)
const bodyHtml = await fs.readFile('src/body.html')
await fs.writeFile(

+ 3 other calls in file

lodash.js

GitHub: mdmarufsarker/lodash

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console.log(startCase); // => 'Foo Bar'


const startsWith = _.startsWith('abc', 'a');
console.log(startsWith); // => true


const template = _.template('hello <%= user %>!');
console.log(template({ 'user': 'fred' })); // => 'hello fred!'


const toLower = _.toLower('--Foo-Bar--');
console.log(toLower); // => '--foo-bar--'

+ 15 other calls in file

validator.js

GitHub: UKHomeOffice/business-data-manager

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const opts = Object.keys(options).map(key => {
  return `${key}: ${options[key]}`
}).join(', ')
let errorMessage
if (callable.errorMessage) {
  const template = _.template(callable.errorMessage)
  errorMessage = template({
    field: field.name,
    value: this.values[field.name],
    opts

steps.js

GitHub: hmcts/civil-general-apps-ccd-definition

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    TEST_DOCUMENT_URL: document.document_url,
    TEST_DOCUMENT_BINARY_URL: document.document_binary_url,
    TEST_DOCUMENT_FILENAME: document.document_filename
  };


  data = lodash.template(JSON.stringify(data))(placeholders);


  return JSON.parse(data);
}

index.js

GitHub: N3zZa/smartboxNodejs

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  fs.writeFileSync(
    "./js/scenes/animeVideosRender.js",
    `(function () {
var _inited;
  _.templateSettings.interpolate = /\\{\\{([\\s\\S]+?)\\}\\}/g;
var itemHtml = _.template('<div data-content="filmInfo" data-film="{{filmPageId}}" data-id="{{id}}" style="background: url({{imgurl}}); background-repeat:no-repeat;  background-size:cover;" class="movieitem navigation-item nav-item" data-url="{{url}}" data-type="{{type}}"><h4>{{title}}</h4></div>');
  
window.App.scenes.video = {
  init: function () {
    this.$el = $(".js-scene-video");

vanilla.js

GitHub: topcoder-platform/challenge-forum-processor

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logger.info(`The '${challengeCategory.name}' category was created.`)

if (groupTemplate.categories) {
  const categories = _.filter(groupTemplate.categories, ['selfService', isSelfService])
  for (const item of categories) {
    const urlCodeTemplate = _.template(item.urlcode)
    const { body: childCategory } = await vanillaClient.createCategory({
      name: item.name,
      urlcode: `${urlCodeTemplate({ challenge })}`,
      parentCategoryID: challengeCategory.categoryID,

+ 34 other calls in file

write-script.js

GitHub: joelalejandro/generator-pgsql

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  settings.useSchema ? settings.schemaName : undefined,
  settings.entityName,
  settings.scriptType
));

var template = _.template(generator.fs.read(generator.templatePath(settings.templateName + '.ejs')));

mkdirp(getScriptFilePath(scriptFile));

data = generator.props;

index.js

GitHub: N3zZa/smartboxNodejs

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    "./js/scenes/animeFilmInfo.js",
    `(function () {
var _inited;
  _.templateSettings.interpolate = /\\{\\{([\\s\\S]+?)\\}\\}/g;
   var stb = gSTB;
var filmPageHtml = _.template('<div id="{{filmPageId}}" data-id="{{id}}" class="filmInfoPage"><div class="film-info_inner"><div class="film-main"><div class="film-info"><img src="{{imgurl}}" alt="posterimg"><div class="film-dscrtn"><div><p class="actors">Актеры: {{actors}}</p><p>Страна: {{country}}</p><p>Год:{{created}}</p><p>Режиссер:{{director}}</p></div><h2>{{title}}</h2></div></div><p class="description">{{text}}</p></div><nav class="film-nav"><div class="film-nav_logo"><div class="UconCinema_logo"><img width="250" height="60" src="./images/UCS.svg" alt="logoimg"></div></div><ul class="film-voiceover menu-items" data-nav_type="vbox" data-nav_loop="true"><li data-content="video" class="back menu-item nav-item"><img width="30" src="./images/arrowBack.svg" alt="arrow" /> Назад</li><li data-url="{{url}}" class="voiceover menu-item nav-item video-item">Озвучка 1</div></ul></nav></div></div>');
window.App.scenes.filmInfo = {
  init: function () {
    this.$el = $(".js-scene-filmInfo");
    this.$el.on("click", ".back", this.onItemBackClick)

+ 3 other calls in file

index.js

GitHub: actions-marketplace-validations/vineetchoudhary_mailgun-action

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const EVENT_PAYLOAD = JSON.parse(fs.readFileSync(GITHUB_EVENT_PATH, "utf8"));
const DEFAULT_MESSAGE = `@${GITHUB_ACTOR} (${GITHUB_EVENT_NAME}) at ${GITHUB_REPOSITORY}`;

_.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
const ReplaceMustaches = data => _.template(data)({ ...process.env, EVENT_PAYLOAD })

//subject
var subject = core.getInput('subject');
if (subject === undefined || subject == '') {

+ 2 other calls in file

template.js

GitHub: myouiswan/blogku

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};


templates.asset = _.template('<%= source %>?v=<%= version %>');
templates.link = _.template('<a href="<%= url %>"><%= text %></a>');
templates.script = _.template('<script src="<%= source %>?v=<%= version %>"></script>');
templates.input = _.template('<input class="<%= className %>" type="<%= type %>" name="<%= name %>" <%= extras %> />');


module.exports = templates;

+ 11 other calls in file

template.js

GitHub: myouiswan/blogku

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    }


    return new hbs.SafeString(partial(context, data));
};


templates.asset = _.template('<%= source %>?v=<%= version %>');
templates.link = _.template('<a href="<%= url %>"><%= text %></a>');
templates.script = _.template('<script src="<%= source %>?v=<%= version %>"></script>');
templates.input = _.template('<input class="<%= className %>" type="<%= type %>" name="<%= name %>" <%= extras %> />');

+ 11 other calls in file

users-permissions.js

GitHub: carboni09/strapi4.0.7-custom

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      .query('plugin::users-permissions.user')
      .update({ where: { id: user.id }, data: { role } });
  },


  template(layout, data) {
    const compiledObject = _.template(layout);
    return compiledObject(data);
  },
});

gulpfile.js

GitHub: achinwo/irev-exporter

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exports.jsonSchema = <%= JSON.stringify(modelDef.schema || {}, null, 4) %>;
`


async function dbMigrationFilesGenerate(){
    const compiled = _.template(migrationTemplate2);
    // const modelDefs = [{tableName: 'users', columnDefs: [
    //         {name: 'id', typeFunc: 'increments', isPrimary: true, nullable: false, default: 'knex.fn.now()'}
    //     ]}];
    const typeFuncMap = {

bundle.js

GitHub: aminsh/angularjs-core

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if (dataSource) {
  return promise.create(resolve => {
    dataSource.filter(`it.${attrs.valueField} == '${value}'`).toArray().then(result => {
      result.forEach(e => {
        e[attrs.displayField] = _$1.template(attrs.displayExpression)({
          item: e
        });
      });
      resolve(result);

+ 44 other calls in file

common.js

GitHub: NLKNguyen/code-formation

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  switch (options.interpolate) {
    default:
      interpolate = /<%=([\s\S]+?)%>/g
  }


  const compiled_template = _.template(template, { interpolate })
  const rendered = compiled_template(variables)
  return rendered
}

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