Function limitToFilter

code/songhop/www/lib/angular/angular.js:17369–17412

* @ngdoc filter * @name limitTo * @kind function * * @description * Creates a new array or string containing only a specified number of elements. The elements * are taken from either the beginning or the end of the source array, string or number, as specified by * the value and sign (positive

()

   </example>
*/
function limitToFilter() {
  return function(input, limit) {
    if (isNumber(input)) input = input.toString();
    if (!isArray(input) && !isString(input)) return input;

    if (Math.abs(Number(limit)) === Infinity) {
      limit = Number(limit);
    } else {
      limit = int(limit);
    }

    if (isString(input)) {
      //NaN check on limit
      if (limit) {
        return limit >= 0 ? input.slice(0, limit) : input.slice(limit, input.length);
      } else {
        return "";
      }
    }

    var out = [],
      i, n;

    // if abs(limit) exceeds maximum length, trim it
    if (limit > input.length)
      limit = input.length;
    else if (limit < -input.length)
      limit = -input.length;

    if (limit > 0) {
      i = 0;
      n = limit;
    } else {
      i = input.length + limit;
      n = input.length;
    }

    for (; i < n; i++) {
      out.push(input[i]);
    }

    return out;
  };
}

/**
 * @ngdoc filter