initial commit: scaffolding

1 files changed, 59 insertions, 0 deletions

diff --git a/node_modules/rxjs/dist/esm5/internal/observable/fromEvent.js b/node_modules/rxjs/dist/esm5/internal/observable/fromEvent.js
new file mode 100644
index 0000000..a6835d7
--- /dev/null
+++ b/node_modules/rxjs/dist/esm5/internal/observable/fromEvent.js
@@ -0,0 +1,59 @@
+import { __read } from "tslib";
+import { innerFrom } from '../observable/innerFrom';
+import { Observable } from '../Observable';
+import { mergeMap } from '../operators/mergeMap';
+import { isArrayLike } from '../util/isArrayLike';
+import { isFunction } from '../util/isFunction';
+import { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';
+var nodeEventEmitterMethods = ['addListener', 'removeListener'];
+var eventTargetMethods = ['addEventListener', 'removeEventListener'];
+var jqueryMethods = ['on', 'off'];
+export function fromEvent(target, eventName, options, resultSelector) {
+    if (isFunction(options)) {
+        resultSelector = options;
+        options = undefined;
+    }
+    if (resultSelector) {
+        return fromEvent(target, eventName, options).pipe(mapOneOrManyArgs(resultSelector));
+    }
+    var _a = __read(isEventTarget(target)
+        ? eventTargetMethods.map(function (methodName) { return function (handler) { return target[methodName](eventName, handler, options); }; })
+        :
+            isNodeStyleEventEmitter(target)
+                ? nodeEventEmitterMethods.map(toCommonHandlerRegistry(target, eventName))
+                : isJQueryStyleEventEmitter(target)
+                    ? jqueryMethods.map(toCommonHandlerRegistry(target, eventName))
+                    : [], 2), add = _a[0], remove = _a[1];
+    if (!add) {
+        if (isArrayLike(target)) {
+            return mergeMap(function (subTarget) { return fromEvent(subTarget, eventName, options); })(innerFrom(target));
+        }
+    }
+    if (!add) {
+        throw new TypeError('Invalid event target');
+    }
+    return new Observable(function (subscriber) {
+        var handler = function () {
+            var args = [];
+            for (var _i = 0; _i < arguments.length; _i++) {
+                args[_i] = arguments[_i];
+            }
+            return subscriber.next(1 < args.length ? args : args[0]);
+        };
+        add(handler);
+        return function () { return remove(handler); };
+    });
+}
+function toCommonHandlerRegistry(target, eventName) {
+    return function (methodName) { return function (handler) { return target[methodName](eventName, handler); }; };
+}
+function isNodeStyleEventEmitter(target) {
+    return isFunction(target.addListener) && isFunction(target.removeListener);
+}
+function isJQueryStyleEventEmitter(target) {
+    return isFunction(target.on) && isFunction(target.off);
+}
+function isEventTarget(target) {
+    return isFunction(target.addEventListener) && isFunction(target.removeEventListener);
+}
+//# sourceMappingURL=fromEvent.js.map
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