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							- 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
 
 
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