mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 09:52:26 +01:00
69 lines
1.7 KiB
Diff
69 lines
1.7 KiB
Diff
|
diff --git a/node_modules/await-semaphore/index.ts b/node_modules/await-semaphore/index.ts
|
||
|
deleted file mode 100644
|
||
|
index 69ce92a..0000000
|
||
|
--- a/node_modules/await-semaphore/index.ts
|
||
|
+++ /dev/null
|
||
|
@@ -1,62 +0,0 @@
|
||
|
-export class Semaphore {
|
||
|
- private tasks: (() => void)[] = [];
|
||
|
- count: number;
|
||
|
-
|
||
|
- constructor(count: number) {
|
||
|
- this.count = count;
|
||
|
- }
|
||
|
-
|
||
|
- private sched() {
|
||
|
- if (this.count > 0 && this.tasks.length > 0) {
|
||
|
- this.count--;
|
||
|
- let next = this.tasks.shift();
|
||
|
- if (next === undefined) {
|
||
|
- throw "Unexpected undefined value in tasks list";
|
||
|
- }
|
||
|
-
|
||
|
- next();
|
||
|
- }
|
||
|
- }
|
||
|
-
|
||
|
- public acquire() {
|
||
|
- return new Promise<() => void>((res, rej) => {
|
||
|
- var task = () => {
|
||
|
- var released = false;
|
||
|
- res(() => {
|
||
|
- if (!released) {
|
||
|
- released = true;
|
||
|
- this.count++;
|
||
|
- this.sched();
|
||
|
- }
|
||
|
- });
|
||
|
- };
|
||
|
- this.tasks.push(task);
|
||
|
- if (process && process.nextTick) {
|
||
|
- process.nextTick(this.sched.bind(this));
|
||
|
- } else {
|
||
|
- setImmediate(this.sched.bind(this));
|
||
|
- }
|
||
|
- });
|
||
|
- }
|
||
|
-
|
||
|
- public use<T>(f: () => Promise<T>) {
|
||
|
- return this.acquire()
|
||
|
- .then(release => {
|
||
|
- return f()
|
||
|
- .then((res) => {
|
||
|
- release();
|
||
|
- return res;
|
||
|
- })
|
||
|
- .catch((err) => {
|
||
|
- release();
|
||
|
- throw err;
|
||
|
- });
|
||
|
- });
|
||
|
- }
|
||
|
-}
|
||
|
-
|
||
|
-export class Mutex extends Semaphore {
|
||
|
- constructor() {
|
||
|
- super(1);
|
||
|
- }
|
||
|
-}
|