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This commit is contained in:
Kyle Spearrin 2019-02-02 12:08:53 -05:00
parent db37a831e4
commit 4634dd2e83
1 changed files with 11 additions and 13 deletions
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24
src/misc/throttle.ts
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@ -25,26 +25,24 @@ export function throttle(limit: number, throttleKey: (args: any[]) => string) {
const throttles = getThrottles(this);
const argsThrottleKey = throttleKey(args);
let queue = throttles.get(argsThrottleKey);
if (!queue) {
if (queue == null) {
queue = [];
throttles.set(argsThrottleKey, queue);
}
return new Promise<T>((resolve, reject) => {
const exec = () => {
originalMethod.apply(this, args)
.finally(() => {
queue.splice(queue.indexOf(exec), 1);
if (queue.length >= limit) {
queue[limit - 1]();
} else if (queue.length === 0) {
throttles.delete(argsThrottleKey);
if (throttles.size === 0) {
allThrottles.delete(this);
}
originalMethod.apply(this, args).finally(() => {
queue.splice(queue.indexOf(exec), 1);
if (queue.length >= limit) {
queue[limit - 1]();
} else if (queue.length === 0) {
throttles.delete(argsThrottleKey);
if (throttles.size === 0) {
allThrottles.delete(this);
}
})
.then(resolve, reject);
}
}).then(resolve, reject);
};
queue.push(exec);
if (queue.length <= limit) {