mustache.js — Super-simple Mustache-style text-replacement.

mustache.js

/*
	
	Super-simple Mustache-style text-replacement.
	
	Example:
	var data = {name: "James", location: "Mars"};
	mustache("Welcome to {{location}}, {{ name }}.", data); // => Welcome to Mars, James.
	
*/
function mustache(string, data){
	if (typeof(string) === "string" && typeof(data) === "object") {
		for (var key in data) {
			string = string.replace(new RegExp("{{\\s*" + key + "\\s*}}", "g"), data[key]);
		}
	};
	return string;
};

@xyzshantaram Regex are not very user friendly, I suggest using this instead:

export const mustache = (string: string, data: Object) => Object.entries(data).reduce((res, [key, value]) => {
  const search = `{${key}}`

  if (
    res.indexOf(search) !== -1 &&
    res.indexOf(`\\${key}`) == -1 && // Escaped on start
    res.indexOf(`${key}\\`) == -1 // Escaped on end
  ) {
    return res.replace(search, value)
  }

  return res
}, string)