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use async version

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Alex.F 2021-08-16 00:19:45 +08:00
parent c943057038
commit d13f6ba750
3 changed files with 28 additions and 20 deletions
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8
editors/code/src/util.ts
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@ -126,16 +126,16 @@ export function setContextValue(key: string, value: any): Thenable<void> {
/**
* Returns a higher-order function that caches the results of invoking the
* underlying function.
* underlying async function.
*/
export function memoize<Ret, TThis, Param extends string>(func: (this: TThis, arg: Param) => Ret) {
export function memoizeAsync<Ret, TThis, Param extends string>(func: (this: TThis, arg: Param) => Promise<Ret>) {
const cache = new Map<string, Ret>();
return function(this: TThis, arg: Param) {
return async function (this: TThis, arg: Param) {
const cached = cache.get(arg);
if (cached) return cached;
const result = func.call(this, arg);
const result = await func.call(this, arg);
cache.set(arg, result);
return result;