@ngouy/easy-template/distribution/easy-template.js

Easy template language in js, with only variable substitution. Inspired from same ruby gem

"use strict";

/**
 * @param {string} text - the string containing your template.
 * @param {object} variables - containing the values to substitute in place of the keys enclosed by { and }.
 */

function escapeRegExp(str) {
  return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
}

function process(text, variables) {
  var regexp = new RegExp("(\\\\\\{)|((?=\\\\)(?:\\\\\\\\))*" + Object.keys(variables).map(function (k) {
    return escapeRegExp("{" + k + "}");
  }).join('|'), 'gi');
  return text.replace(regexp, function (s) {
    return s[0] === "\\" ? s[1] : (variables[(s.slice(1, -1) || '').toLocaleLowerCase()] || '').toString();
  });
}

module.exports = {
  process: process
};