How to use the registerHelper function from handlebars

renderer.js

GitHub: GetPublii/Publii

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let helperNames = Object.keys(HandlebarsHelpers);

// Register all helpers
for(let helperName of helperNames) {
    if(helperName.substr(-6) !== 'Helper') {
        Handlebars.registerHelper(
            helperName,
            HandlebarsHelpers[helperName]
        );
    } else {

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camel.js

GitHub: cliss/camel

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});
loadHeaderFooter('postHeader.html', function (data) {
    Handlebars.registerHelper('formatPostDate', function (date) {
        return new Handlebars.SafeString(new Date(date).format('{Weekday}, {d} {Month} {yyyy}'));
    });
    Handlebars.registerHelper('formatIsoDate', function (date) {
        return new Handlebars.SafeString(typeof(date) !== 'undefined' ? new Date(date).iso() : '');
    });
    postHeaderTemplate = Handlebars.compile(data);
});

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api.js

GitHub: postalsys/emailengine

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    return new handlebars.SafeString(translated);
});

handlebars.registerHelper('ngettext', (msgid, plural, count) => util.format(gt.ngettext(msgid, plural, count), count));

handlebars.registerHelper('equals', (compareVal, baseVal, options) => {
    if (baseVal === compareVal) {
        return options.fn(this); // eslint-disable-line no-invalid-this
    }
    return options.inverse(this); // eslint-disable-line no-invalid-this

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index.js

GitHub: shootaroo/assemble-handlebars

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};

var registerFunctions = function(helperFunctions) {
  if(helperFunctions) {
    _.forOwn(helperFunctions, function(fn, key) {
      handlebars.registerHelper(key, fn);
    });
  }
};

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index.js

GitHub: Huawei/Huawei_CCA_TFA

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/*
 * Register a helper to return a restructured version of the commit groups that includes commits
 * categorized by their section.
 */
Handlebars.registerHelper("tf-a-commits", function (commitGroups, options) {
    const generateTemplateData = function (sections, commits) {
        return (sections || []).flatMap(section => {
            const templateData = {
                title: section.title,

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index.js

GitHub: voodoohop/json-resume-thomash

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        return v1 || v2;
    }
});

 // http://stackoverflow.com/a/18831911
 Handlebars.registerHelper('commalist', function(items, options) {
   return options.fn(items.join(', '));
});

// Handlebars.registerHelper('formatdate', function(text) {

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xrun-lib.js

GitHub: schwabyio/xrun

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  if(level >= handlebars.logger.level) {
    //console.log.apply(console, [].concat(["Handlebars: "], _.toArray(arguments)));
    console.log.apply(console, arguments)
  }
}
handlebars.registerHelper('log', handlebars.logger.log)
// Std level is 3, when set to 0, handlebars will log all compilation results
handlebars.logger.level = 0

//Read collectionTemplatePath

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+ 20 other calls in file

toc.js

GitHub: iasql/docusaurus-plugin-iasql

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      );
    }*/
    return md;
}
function default_1(theme) {
    Handlebars.registerHelper("toc", function () {
        var _a, _b, _c, _d;
        const md = [];
        const { hideInPageTOC } = theme;
        const isVisible = (_a = this.groups) === null || _a === void 0 ? void 0 : _a.some((group) => group.allChildrenHaveOwnDocument());

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index.js

GitHub: openactive/models-lib

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get includeInheritedFields () {
  return true;
}

setupHandlebars() {
  Handlebars.registerHelper("renderMemberName", function() {
    return new Handlebars.SafeString(/^[A-Za-z0-9]*$/.test(this.memberName) ? this.memberName : `'${this.memberName}'`);
  });
}

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build-preview-pages.js

GitHub: CPPAlliance/antora-ui

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    })
  )
}


function registerHelpers (src) {
  handlebars.registerHelper('resolvePage', resolvePage)
  handlebars.registerHelper('resolvePageURL', resolvePageURL)
  return vfs.src('helpers/*.js', { base: src, cwd: src }).pipe(
    map((file, enc, next) => {
      handlebars.registerHelper(file.stem, requireFromString(file.contents.toString()))

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common.js

GitHub: mrvautin/squido

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    // Check for helpers in the config
    if(process.config.templateConfig && process.config.templateConfig.helpers){
        helpers = Object.assign(process.config.templateConfig.helpers, helpers);
    }
    handlebars.registerHelper(helpers);
};


const runPlugins = async () => {
    for(const i in process.config.plugins){

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app.js

GitHub: Jpleseux/projeto-meu-blog

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app.use(bodyparser.urlencoded({extended: true}))
app.use(bodyparser.json())
//handlebars
app.engine('handlebars', handlebars.engine({defaultLayout: 'main'}))
app.set('view engine', 'handlebars')
Handlebars.registerHelper('error_', function (message) {
    return new Handlebars.SafeString(`<div class="error">${message}</div>`);
  });
Handlebars.registerHelper('ifCond', function(v1, operator, v2, options) {
    switch (operator) {

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translate.js

GitHub: Dinesh6242/clone12

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 * Helper for creating translatable phrases
 *
 * {{ translate 'key.subkey' [string1 string2 ...] }}
 */
function translateHelper(rendererInstance, Handlebars) {
    Handlebars.registerHelper('translate', translate.bind(rendererInstance));
}


module.exports = {
    translateHelper: translateHelper,

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server.js

GitHub: trentonyo/ToshsTableTasksTorments

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const partialTypes = ["Card", "Title", "InfoBand"]
let precompiledPartials = {}


partialTypes.forEach(function (value, index, array)
{
    handlebars.registerHelper('whichPartial'+value, function(context, options)
    {
        return context.data.root['entity']+value
    })
})

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renderer.js

GitHub: karanjmd/AEM-JENKINS-DEMO-PROJECT

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    }
    return accum;
});

// Add
Handlebars.registerHelper('inc', (number, options) => {
    if (typeof (number) === 'undefined' || number === null) {
        return null;
    }

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Helpers.js

GitHub: pestoura/Apache-Ambari

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* 
* - If returning HTML use return new Handlebars.SafeString();
* - If the helper needs optional arguments use the "hash arguments"
*   Eg. {{{link . "See more..." story.url class="story"}}}
*   NOTE: the first argument after the helper name should be . which will be context in the helper function
*   Handlebars.registerHelper('link', function(context, text, url, options) {
*   	var attrs = [];
* 		
*   	for(var prop in options.hash) {
*   		attrs.push(prop + '="' + options.hash[prop] + '"');

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generate-onboarding.js

GitHub: Skandia-Smarthus/Skandia.Web.Components

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        }
    });
    Handlebars.registerHelper('json', function(context) {
        return JSON.stringify(context);
    });
    Handlebars.registerHelper('ifEquals', function(arg1, arg2, options) {
        return (arg1 == arg2) ? options.fn(this) : options.inverse(this);
    });
}

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generate.js

GitHub: Skandia-Smarthus/Skandia.Web.Components

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const Handlebars = require('handlebars');
const _ = require('lodash');
const pagesDirectory = "pages";
const output = "site";
(async () => {
    Handlebars.registerHelper('empty', function (value, options) {
        if (!value) { return options.fn(this); }
        return value.replace(/\s*/g, '').length === 0
            ? options.fn(this)
            : options.inverse(this);

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booking-controller.js

GitHub: AnshulPurohit21/ALJ

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// generate PDF process here
if ('isPdfRequest' in queryData && queryData.isPdfRequest && bookingData.length > 0) {
  const htmlTemplate = reportTemplate.report_template;

  await Handlebars.registerHelper('ifCond', (lvalue) => {
    lvalue = parseInt(lvalue);
    if (lvalue % 25 == 0) { return true; }
    return false;
  });

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parse-yml-commands.js

GitHub: bwbrandon5/appium

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  require.resolve('@appium/base-driver/lib/protocol/routes.js'),
  'utf8'
);
const routesFileLines = routesFile.split('\n');

Handlebars.registerHelper('spec_url', function specUrl(specUrl, endpoint) {
  // return the url if it is not a link to our routes doc
  if (!specUrl.includes('routes.js')) {
    return specUrl;
  }

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