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Revert "Revert "allow to reuse the same function/context when listening to events""

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This reverts commit 4a3dbb6c44.
This commit is contained in:
Johannes Rieken
2017-09-25 14:22:58 +02:00
parent 24829c4fea
commit a60a65d804
6 changed files with 222 additions and 54 deletions
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8
src/vs/workbench/api/node/extHostDocumentSaveParticipant.ts
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@@ -37,12 +37,8 @@ export class ExtHostDocumentSaveParticipant implements ExtHostDocumentSavePartic
get onWillSaveTextDocumentEvent(): Event<vscode.TextDocumentWillSaveEvent> {
return (listener, thisArg, disposables) => {
this._callbacks.add(listener, thisArg);
const result = {
dispose: () => {
this._callbacks.remove(listener, thisArg);
}
};
const remove = this._callbacks.add(listener, thisArg);
const result = { dispose: remove };
if (Array.isArray(disposables)) {
disposables.push(result);
}