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node_modules/rxjs/_esm5/internal/operators/map.js

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+/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */
+import * as tslib_1 from "tslib";
+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));
+    };
+}
+var MapOperator = /*@__PURE__*/ (function () {
+    function MapOperator(project, thisArg) {
+        this.project = project;
+        this.thisArg = thisArg;
+    }
+    MapOperator.prototype.call = function (subscriber, source) {
+        return source.subscribe(new MapSubscriber(subscriber, this.project, this.thisArg));
+    };
+    return MapOperator;
+}());
+export { MapOperator };
+var MapSubscriber = /*@__PURE__*/ (function (_super) {
+    tslib_1.__extends(MapSubscriber, _super);
+    function MapSubscriber(destination, project, thisArg) {
+        var _this = _super.call(this, destination) || this;
+        _this.project = project;
+        _this.count = 0;
+        _this.thisArg = thisArg || _this;
+        return _this;
+    }
+    MapSubscriber.prototype._next = function (value) {
+        var result;
+        try {
+            result = this.project.call(this.thisArg, value, this.count++);
+        }
+        catch (err) {
+            this.destination.error(err);
+            return;
+        }
+        this.destination.next(result);
+    };
+    return MapSubscriber;
+}(Subscriber));
+//# sourceMappingURL=map.js.map