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fix(60223): add Promise.try() to ESNext lib (#60232)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| interface PromiseConstructor { | ||
| /** | ||
| * Takes a callback of any kind (returns or throws, synchronously or asynchronously) and wraps its result | ||
| * in a Promise. | ||
| * | ||
| * @param callbackFn A function that is called synchronously. It can do anything: either return | ||
| * a value, throw an error, or return a promise. | ||
| * @param args Additional arguments, that will be passed to the callback. | ||
| * | ||
| * @returns A Promise that is: | ||
| * - Already fulfilled, if the callback synchronously returns a value. | ||
| * - Already rejected, if the callback synchronously throws an error. | ||
| * - Asynchronously fulfilled or rejected, if the callback returns a promise. | ||
| */ | ||
| try<T, U extends unknown[]>(callbackFn: (...args: U) => T | PromiseLike<T>, ...args: U): Promise<Awaited<T>>; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| //// [tests/cases/compiler/promiseTry.ts] //// | ||
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| //// [promiseTry.ts] | ||
| Promise.try(() => { | ||
| return "Sync result"; | ||
| }); | ||
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| Promise.try(async () => { | ||
| return "Async result"; | ||
| }); | ||
|
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| const a = Promise.try(() => "Sync result"); | ||
| const b = Promise.try(async () => "Async result"); | ||
|
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| // SINGLE PARAMETER | ||
| Promise.try((foo: string) => "Async result", "foo"); | ||
| Promise.try((foo) => "Async result", "foo"); | ||
| // @ts-expect-error too few parameters | ||
| Promise.try((foo) => "Async result"); | ||
| Promise.try((foo: string | undefined) => "Async result", undefined); | ||
| Promise.try((foo: string | undefined) => "Async result", "foo"); | ||
| Promise.try((foo) => "Async result", undefined); | ||
| // @ts-expect-error too many parameters | ||
| Promise.try(() => "Async result", "foo"); | ||
|
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| // MULTIPLE PARAMETERS | ||
| Promise.try((foo: string, bar: number) => "Async result", "foo", 42); | ||
| // @ts-expect-error too many parameters | ||
| Promise.try((foo: string, bar: number) => "Async result", "foo", 42, "baz"); | ||
| // @ts-expect-error too few parameters | ||
| Promise.try((foo: string, bar: number) => "Async result", "foo"); | ||
| Promise.try((foo: string, bar?: number) => "Async result", "foo"); | ||
| Promise.try((foo: string, bar?: number) => "Async result", "foo", undefined); | ||
| Promise.try((foo: string, bar?: number) => "Async result", "foo", 42); | ||
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| //// [promiseTry.js] | ||
| Promise.try(() => { | ||
| return "Sync result"; | ||
| }); | ||
| Promise.try(async () => { | ||
| return "Async result"; | ||
| }); | ||
| const a = Promise.try(() => "Sync result"); | ||
| const b = Promise.try(async () => "Async result"); | ||
| // SINGLE PARAMETER | ||
| Promise.try((foo) => "Async result", "foo"); | ||
| Promise.try((foo) => "Async result", "foo"); | ||
| // @ts-expect-error too few parameters | ||
| Promise.try((foo) => "Async result"); | ||
| Promise.try((foo) => "Async result", undefined); | ||
| Promise.try((foo) => "Async result", "foo"); | ||
| Promise.try((foo) => "Async result", undefined); | ||
| // @ts-expect-error too many parameters | ||
| Promise.try(() => "Async result", "foo"); | ||
| // MULTIPLE PARAMETERS | ||
| Promise.try((foo, bar) => "Async result", "foo", 42); | ||
| // @ts-expect-error too many parameters | ||
| Promise.try((foo, bar) => "Async result", "foo", 42, "baz"); | ||
| // @ts-expect-error too few parameters | ||
| Promise.try((foo, bar) => "Async result", "foo"); | ||
| Promise.try((foo, bar) => "Async result", "foo"); | ||
| Promise.try((foo, bar) => "Async result", "foo", undefined); | ||
| Promise.try((foo, bar) => "Async result", "foo", 42); |
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