moltres-utils/dist/common/iterator.js

Utils for Moltres apps

"use strict";

require("core-js/modules/es6.object.define-property");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.baseIterator = exports.default = void 0;

var _constants = require("../constants");

var _arrayLikeIterator = _interopRequireDefault(require("../lang/arrayLikeIterator"));

var _curry = _interopRequireDefault(require("./curry"));

var _isArrayLike = _interopRequireDefault(require("../lang/isArrayLike"));

var _isIterable = _interopRequireDefault(require("../lang/isIterable"));

var _isIterator = _interopRequireDefault(require("../lang/isIterator"));

var _isObjectLike = _interopRequireDefault(require("../lang/isObjectLike"));

var _iteratorResolver = _interopRequireDefault(require("./iteratorResolver"));

var _objectIterator = _interopRequireDefault(require("../lang/objectIterator"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var baseIterator = function baseIterator(value) {
  var start = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'START';

  if ((0, _isIterator.default)(value)) {
    return (0, _iteratorResolver.default)(value, start);
  }

  if ((0, _isArrayLike.default)(value)) {
    return (0, _arrayLikeIterator.default)(value, start);
  }

  if ((0, _isIterable.default)(value)) {
    return (0, _iteratorResolver.default)(value[_constants.SYMBOL_ITERATOR](), start);
  }

  if ((0, _isObjectLike.default)(value)) {
    return (0, _objectIterator.default)(value, start);
  }

  throw new Error("iterator method expected to receive an iterable value. Instead the method was given ".concat(value, "."));
};
/**
 * This method generates an iterator for the given value
 *
 * @function
 * @since v0.0.11
 * @category common
 * @param {Function} fn The iteratee Function
 * @param  {*} collection The collection or iterator to iterate over
 * @returns {*} The final value returned when the iteratee returns done or `undefined`
 * @example
 *
 * iterator(['a', 'b', 'c'])
 * //=> { next: () => { value: string, index: number, kdx: umber, done: boolean }}
 *
 * iterator('abc')
 * //=> { next: () => { value: string, index: number, kdx: umber, done: boolean }}
 *
 * iterator({ a: 1, b: 2, c: 3 })
 * //=> { next: () => { value: number, key: string, kdx: string, done: boolean }}
 */


exports.baseIterator = baseIterator;
var iterator = (0, _curry.default)(baseIterator);
iterator.END = 'END';
iterator.START = 'START';
var _default = iterator;
exports.default = _default;
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