initial commit: scaffolding

1 files changed, 39 insertions, 0 deletions

diff --git a/node_modules/rxjs/dist/esm5/internal/operators/withLatestFrom.js b/node_modules/rxjs/dist/esm5/internal/operators/withLatestFrom.js
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+import { __read, __spreadArray } from "tslib";
+import { operate } from '../util/lift';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+import { innerFrom } from '../observable/innerFrom';
+import { identity } from '../util/identity';
+import { noop } from '../util/noop';
+import { popResultSelector } from '../util/args';
+export function withLatestFrom() {
+    var inputs = [];
+    for (var _i = 0; _i < arguments.length; _i++) {
+        inputs[_i] = arguments[_i];
+    }
+    var project = popResultSelector(inputs);
+    return operate(function (source, subscriber) {
+        var len = inputs.length;
+        var otherValues = new Array(len);
+        var hasValue = inputs.map(function () { return false; });
+        var ready = false;
+        var _loop_1 = function (i) {
+            innerFrom(inputs[i]).subscribe(createOperatorSubscriber(subscriber, function (value) {
+                otherValues[i] = value;
+                if (!ready && !hasValue[i]) {
+                    hasValue[i] = true;
+                    (ready = hasValue.every(identity)) && (hasValue = null);
+                }
+            }, noop));
+        };
+        for (var i = 0; i < len; i++) {
+            _loop_1(i);
+        }
+        source.subscribe(createOperatorSubscriber(subscriber, function (value) {
+            if (ready) {
+                var values = __spreadArray([value], __read(otherValues));
+                subscriber.next(project ? project.apply(void 0, __spreadArray([], __read(values))) : values);
+            }
+        }));
+    });
+}
+//# sourceMappingURL=withLatestFrom.js.map
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