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Prevent multiple calls to listen

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This commit is contained in:
Matt Bierner
2018-06-04 18:37:30 -07:00
parent 28b5996f30
commit fae8e8e91b
1 changed files with 5 additions and 0 deletions
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5
extensions/typescript-language-features/src/features/bufferSyncSupport.ts
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@@ -167,6 +167,7 @@ export default class BufferSyncSupport {
private readonly pendingDiagnostics = new Map<string, number>();
private readonly diagnosticDelayer: Delayer<any>;
private pendingGetErr: { request: Promise<any>, files: string[], token: CancellationTokenSource } | undefined;
private listening: boolean = false;
constructor(
client: ITypeScriptServiceClient,
@@ -187,6 +188,10 @@ export default class BufferSyncSupport {
public readonly onDelete = this._onDelete.event;
public listen(): void {
if (this.listening) {
return;
}
this.listening = true;
workspace.onDidOpenTextDocument(this.openTextDocument, this, this.disposables);
workspace.onDidCloseTextDocument(this.onDidCloseTextDocument, this, this.disposables);
workspace.onDidChangeTextDocument(this.onDidChangeTextDocument, this, this.disposables);