repeat: function()

in external_lib/dummy-json/lib/helpers.js [132:179]

• 33 lines of code
• 9 McCabe index (conditional complexity)

  repeat: function (min, max, options) {
    var ret = '';
    var total = 0;
    var data;
    var i;

    if (arguments.length === 3) {
      // If given two numbers then pick a random one between the two
      total = utils.randomInt(min, max);
    } else if (arguments.length === 2) {
      // If given one number then just use it as a fixed repeat total
      options = max;
      total = min;
    } else {
      throw new Error('The repeat helper requires a numeric param');
    }

    // Create a shallow copy of data so we can add variables without modifying the original
    data = Handlebars.Utils.extend({}, options.data);

    for (i = 0; i < total; i++) {
      // Clear the linked values on each iteration so a new set of names/companies is generated
      options.data.root.__cache = {};

      // You can access these in your template using @index, @total, @first, @last
      data.index = i;
      data.total = total;
      data.first = i === 0;
      data.last = i === total - 1;

      // By using 'this' as the context the repeat block will inherit the current scope
      ret = ret + options.fn(this, {data: data});

      if (options.hash.comma !== false) {
        // Trim any whitespace left by handlebars and add a comma if it doesn't already exist,
        // also trim any trailing commas that might be at the end of the loop
        ret = ret.trimRight();
        if (i < total - 1 && ret.charAt(ret.length - 1) !== ',') {
          ret += ',';
        } else if (i === total - 1 && ret.charAt(ret.length - 1) === ',') {
          ret = ret.slice(0, -1);
        }
        ret += os.EOL;
      }
    }

    return ret;
  },