Every new change

node_modules/rxjs/_esm2015/internal/operators/map.js

@@ -0,0 +1,38 @@
+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