Mini Mustache

minimustache.functional.js

/*
  Bare bones template engine
*/
const hydrate = function(template, scope) {
  if (
    template.constructor === String &&
    template.length &&
    scope.constructor === Object &&
    Object.keys(scope).length
  ) {
    return Object.entries(scope).reduce((view, [ key, value ]) => {
      const regexp = new RegExp('\\{{' + key + '\\}}', 'gi');
      return view.replace(regexp, value);
    }, template.slice(0));
  } else {
    return null;
  }
};

minimustache.js

String.prototype.format = function() {
    var formatted = this;
    var arg = arguments[0];
    var regexp = null;
    var key = null;
    if(arg === Object(arg) && arg instanceof Array !== true) {
        for(key in arg) {
            if(arg.hasOwnProperty(key)) {
                regexp = new RegExp('\\{{' + key + '\\}}', 'gi');
                formatted = formatted.replace(regexp, arg[key]);
            }
        }
    } else {
        for (var i = 0; i < arguments.length; i++) {
            var regexp = new RegExp('\\{{' + i + '\\}}', 'gi');
            formatted = formatted.replace(regexp, arguments[i]);
        }
    }
    return formatted;
};

const hydrate = function(template, scope) {
if (
template.constructor === String &&
template.length &&
scope.constructor === Object &&
Object.keys(scope).length
) {
return Object.entries(scope).reduce((view, [ key, value ]) => {
const regexp = new RegExp('\<%=[/' + key + '\s]+%>', 'gi');
return view.replace(regexp, value);
}, template.slice(0));
} else {
return null;
}
};
undefin