index.js

/*!
 * handlebars-delimiters <https://github.com/jonschlinkert/handlebars-delimiters>
 *
 * Copyright (c) 2014 Jon Schlinkert, contributors.
 * Licensed under the MIT License
 */

'use strict';

module.exports = function(Handlebars, delims) {
  if (delims[0].indexOf('=') === -1) {
    delims[0] = delims[0] + '(?!=)';
  }

  var re = new RegExp(delims[0] + '([\\s\\S]+?)' + delims[1], 'g');

  // Idea for compile method from http://stackoverflow.com/a/19181804/1267639
  if (!Handlebars._compile) {
    Handlebars._compile = Handlebars.compile;
  }

  Handlebars.compile = function() {
    var args = [].slice.call(arguments);

    if (typeof args[0] !== 'string') {
      throw new Error('The first argument must be a string.');
    }

    if(delims[0] !== '{{' && delims[1] !== '}}') {
      args[0] = escapeDelims(args[0], delims);
    }

    var match;
    while (match = re.exec(args[0])) {
      args[0] = args[0].replace(re, '{{' + match[1] + '}}');
    }
    return Handlebars._compile.apply(null, args);
  };
};

var escapeDelims = module.exports.escapeDelims = function(str, delims) {
  var defaults = /\{{([\s\S]+?)}}/ig;
  var match;

  while (match = defaults.exec(str)) {
    str = str.replace(match[0], '\\{{' + match[1] + '}}');
  }
  return str;
};