language-servers/deno
1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2025-09-27 20:59:10 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

use Object instead of Map for promise table (#4309)

Browse source
This commit is contained in:
Bartek Iwańczuk 2020-03-10 03:04:49 +01:00 • committed by GitHub
parent 68119e1d7e
commit dca00211ab
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

11
cli/js/ops/dispatch_json.ts
View file

@ -19,7 +19,10 @@ interface JsonResponse {
promiseId?: number; // Only present in async messages.
}
const promiseTable = new Map<number, util.Resolvable<JsonResponse>>();
// Using an object without a prototype because `Map` was causing GC problems.
const promiseTable: {
[key: number]: util.Resolvable<JsonResponse>;
} = Object.create(null);
let _nextPromiseId = 1;
function nextPromiseId(): number {
@ -48,9 +51,9 @@ export function asyncMsgFromRust(resUi8: Uint8Array): void {
const res = decode(resUi8);
util.assert(res.promiseId != null);
const promise = promiseTable.get(res.promiseId!);
const promise = promiseTable[res.promiseId!];
util.assert(promise != null);
promiseTable.delete(res.promiseId!);
delete promiseTable[res.promiseId!];
promise.resolve(res);
}
@ -89,7 +92,7 @@ export async function sendAsync(
promise.resolve(res);
} else {
// Async result.
promiseTable.set(promiseId, promise);
promiseTable[promiseId] = promise;
}
const res = await promise;