Blaze Useful Template Helpers

any.js

import { Template } from 'meteor/templating';

/**
 * Returns true when any of the provided arguments is true.
 * Example:
 * > {{#if some varA varB varC}}
 * >   At least something is true.
 * > {{/if}}
 */
Template.registerHelper('some', (...args) => args.some(Boolean));

every.js

import { Template } from 'meteor/templating';

/**
 * Returns true when all of the provided arguments are true.
 * Example:
 * > {{#if every varA varB varC}}
 * >   Everything is true.
 * > {{/if}}
 */
Template.registerHelper('every', (...args) => args.every(Boolean));

stringify.js

import { Template } from 'meteor/templating';
Template.registerHelper('stringify', (item, options) => EJSON.stringify(item, options));