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Huáng JùnliàngandGitHub
577b41b198
* rename proposal-explicit-resource-management to transform-explicit-resource-management * update library description * bump Babel/core version requirements to ^7.23.9 * add deprecation reminder * remove outdated reminders * update reminder date
42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
return (async function () {
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let log = [];
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function disposable(name, symbolName, cb){
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return {
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async [Symbol[symbolName] || Symbol.for("Symbol." + symbolName)]() {
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log.push(name);
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if (cb) cb();
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}
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};
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}
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let inBmicrotick = false;
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let inBmicrotickWhileC = false;
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let inBmicrotickWhileD = false;
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let inBmicrotickWhileE = false;
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{
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using e = disposable("e", "dispose", () => {
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inBmicrotickWhileE = inBmicrotick;
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});
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await using d = disposable("d", "asyncDispose", () => {
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inBmicrotickWhileD = inBmicrotick;
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});
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using c = disposable("c", "dispose", () => {
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inBmicrotickWhileC = inBmicrotick;
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});
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using b = disposable("b", "dispose", () => {
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inBmicrotick = true;
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Promise.resolve().then(() => {
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inBmicrotick = false;
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});
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});
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await using a = disposable("a", "asyncDispose");
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}
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expect(log).toEqual(["a", "b", "c", "d", "e"]);
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expect(inBmicrotick).toBe(false);
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expect(inBmicrotickWhileC).toBe(true);
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expect(inBmicrotickWhileD).toBe(true);
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expect(inBmicrotickWhileE).toBe(false);
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})();
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