You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
35 lines
834 B
35 lines
834 B
import toArray from './toArray.js'; |
|
|
|
/** |
|
* Gets the next value on a wrapped object following the |
|
* [iterator protocol](https://mdn.io/iteration_protocols#iterator). |
|
* |
|
* @name next |
|
* @memberOf _ |
|
* @since 4.0.0 |
|
* @category Seq |
|
* @returns {Object} Returns the next iterator value. |
|
* @example |
|
* |
|
* var wrapped = _([1, 2]); |
|
* |
|
* wrapped.next(); |
|
* // => { 'done': false, 'value': 1 } |
|
* |
|
* wrapped.next(); |
|
* // => { 'done': false, 'value': 2 } |
|
* |
|
* wrapped.next(); |
|
* // => { 'done': true, 'value': undefined } |
|
*/ |
|
function wrapperNext() { |
|
if (this.__values__ === undefined) { |
|
this.__values__ = toArray(this.value()); |
|
} |
|
var done = this.__index__ >= this.__values__.length, |
|
value = done ? undefined : this.__values__[this.__index__++]; |
|
|
|
return { 'done': done, 'value': value }; |
|
} |
|
|
|
export default wrapperNext;
|
|
|