diff options
author | Tyler Schicke <tyler_schicke@brown.edu> | 2019-02-09 19:13:24 -0500 |
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committer | Tyler Schicke <tyler_schicke@brown.edu> | 2019-02-09 19:13:24 -0500 |
commit | 11134bc5ce01d0a025d311a4f83e67ff6e63ce1c (patch) | |
tree | e401d8004481b3d664c751ae2e668c72b6be7aac /src/util/TypedEvent.ts | |
parent | c06745a99ed85b215d0ae48bfb2af7c955f0b016 (diff) |
Moved client code to client folder
Diffstat (limited to 'src/util/TypedEvent.ts')
-rw-r--r-- | src/util/TypedEvent.ts | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/src/util/TypedEvent.ts b/src/util/TypedEvent.ts deleted file mode 100644 index 0714a7f5c..000000000 --- a/src/util/TypedEvent.ts +++ /dev/null @@ -1,42 +0,0 @@ -export interface Listener<T> { - (event: T): any; -} - -export interface Disposable { - dispose(): void; -} - -/** passes through events as they happen. You will not get events from before you start listening */ -export class TypedEvent<T> { - private listeners: Listener<T>[] = []; - private listenersOncer: Listener<T>[] = []; - - on = (listener: Listener<T>): Disposable => { - this.listeners.push(listener); - return { - dispose: () => this.off(listener) - }; - } - - once = (listener: Listener<T>): void => { - this.listenersOncer.push(listener); - } - - off = (listener: Listener<T>) => { - var callbackIndex = this.listeners.indexOf(listener); - if (callbackIndex > -1) this.listeners.splice(callbackIndex, 1); - } - - emit = (event: T) => { - /** Update any general listeners */ - this.listeners.forEach((listener) => listener(event)); - - /** Clear the `once` queue */ - this.listenersOncer.forEach((listener) => listener(event)); - this.listenersOncer = []; - } - - pipe = (te: TypedEvent<T>): Disposable => { - return this.on((e) => te.emit(e)); - } -}
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