| import { Subscriber } from '../Subscriber'; |
| export function map(project, thisArg) { |
| return function mapOperation(source) { |
| if (typeof project !== 'function') { |
| throw new TypeError('argument is not a function. Are you looking for `mapTo()`?'); |
| } |
| return source.lift(new MapOperator(project, thisArg)); |
| }; |
| } |
| export class MapOperator { |
| constructor(project, thisArg) { |
| this.project = project; |
| this.thisArg = thisArg; |
| } |
| call(subscriber, source) { |
| return source.subscribe(new MapSubscriber(subscriber, this.project, this.thisArg)); |
| } |
| } |
| class MapSubscriber extends Subscriber { |
| constructor(destination, project, thisArg) { |
| super(destination); |
| this.project = project; |
| this.count = 0; |
| this.thisArg = thisArg || this; |
| } |
| _next(value) { |
| let result; |
| try { |
| result = this.project.call(this.thisArg, value, this.count++); |
| } |
| catch (err) { |
| this.destination.error(err); |
| return; |
| } |
| this.destination.next(result); |
| } |
| } |
| //# sourceMappingURL=map.js.map |