Merge pull request #9204 from Microsoft/promiseAndAsyncUpdates

Update Promise and PromiseLike, fix async functions issues with never.
This commit is contained in:
Ron Buckton
2016-06-21 18:09:28 -07:00
committed by GitHub
17 changed files with 1024 additions and 100 deletions

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@@ -3,59 +3,149 @@
*/
interface Promise<T> {
/**
* Attaches callbacks for the resolution and/or rejection of the Promise.
* @param onfulfilled The callback to execute when the Promise is resolved.
* @param onrejected The callback to execute when the Promise is rejected.
* @returns A Promise for the completion of which ever callback is executed.
*/
then<TResult>(onfulfilled?: (value: T) => TResult | PromiseLike<TResult>, onrejected?: (reason: any) => TResult | PromiseLike<TResult>): Promise<TResult>;
then<TResult>(onfulfilled?: (value: T) => TResult | PromiseLike<TResult>, onrejected?: (reason: any) => void): Promise<TResult>;
* Attaches callbacks for the resolution and/or rejection of the Promise.
* @param onfulfilled The callback to execute when the Promise is resolved.
* @param onrejected The callback to execute when the Promise is rejected.
* @returns A Promise for the completion of which ever callback is executed.
*/
then<TResult1, TResult2>(onfulfilled: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected: (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>;
/**
* Attaches callbacks for the resolution and/or rejection of the Promise.
* @param onfulfilled The callback to execute when the Promise is resolved.
* @param onrejected The callback to execute when the Promise is rejected.
* @returns A Promise for the completion of which ever callback is executed.
*/
then<TResult>(onfulfilled: (value: T) => TResult | PromiseLike<TResult>, onrejected: (reason: any) => TResult | PromiseLike<TResult>): Promise<TResult>;
/**
* Attaches callbacks for the resolution and/or rejection of the Promise.
* @param onfulfilled The callback to execute when the Promise is resolved.
* @returns A Promise for the completion of which ever callback is executed.
*/
then<TResult>(onfulfilled: (value: T) => TResult | PromiseLike<TResult>): Promise<TResult>;
/**
* Creates a new Promise with the same internal state of this Promise.
* @returns A Promise.
*/
then(): Promise<T>;
/**
* Attaches a callback for only the rejection of the Promise.
* @param onrejected The callback to execute when the Promise is rejected.
* @returns A Promise for the completion of the callback.
*/
catch(onrejected?: (reason: any) => T | PromiseLike<T>): Promise<T>;
catch(onrejected?: (reason: any) => void): Promise<T>;
catch<TResult>(onrejected: (reason: any) => TResult | PromiseLike<TResult>): Promise<T | TResult>;
/**
* Attaches a callback for only the rejection of the Promise.
* @param onrejected The callback to execute when the Promise is rejected.
* @returns A Promise for the completion of the callback.
*/
catch(onrejected: (reason: any) => T | PromiseLike<T>): Promise<T>;
}
interface PromiseConstructor {
/**
* A reference to the prototype.
/**
* A reference to the prototype.
*/
readonly prototype: Promise<any>;
/**
* Creates a new Promise.
* @param executor A callback used to initialize the promise. This callback is passed two arguments:
* a resolve callback used resolve the promise with a value or the result of another promise,
* @param executor A callback used to initialize the promise. This callback is passed two arguments:
* a resolve callback used resolve the promise with a value or the result of another promise,
* and a reject callback used to reject the promise with a provided reason or error.
*/
new <T>(executor: (resolve: (value?: T | PromiseLike<T>) => void, reject: (reason?: any) => void) => void): Promise<T>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T1, T2, T3, T4, T5, T6, T7, T8>(values: [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T1, T2, T3, T4, T5, T6, T7>(values: [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T1, T2, T3, T4, T5, T6>(values: [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T1, T2, T3, T4, T5>(values: [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T1, T2, T3, T4>(values: [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>]): Promise<[T1, T2, T3, T4]>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T1, T2, T3>(values: [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T1, T2>(values: [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>;
/**
* Creates a Promise that is resolved with an array of results when all of the provided Promises
* resolve, or rejected when any Promise is rejected.
* @param values An array of Promises.
* @returns A new Promise.
*/
all<T>(values: (T | PromiseLike<T>)[]): Promise<T[]>;
/**
* Creates a new rejected promise for the provided reason.
* @param reason The reason the promise was rejected.
* @returns A new rejected Promise.
*/
reject(reason: any): Promise<void>;
reject(reason: any): Promise<never>;
/**
* Creates a new rejected promise for the provided reason.

52
src/lib/es5.d.ts vendored
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@@ -1255,13 +1255,33 @@ declare type PromiseConstructorLike = new <T>(executor: (resolve: (value?: T | P
interface PromiseLike<T> {
/**
* Attaches callbacks for the resolution and/or rejection of the Promise.
* @param onfulfilled The callback to execute when the Promise is resolved.
* @param onrejected The callback to execute when the Promise is rejected.
* @returns A Promise for the completion of which ever callback is executed.
*/
then<TResult>(onfulfilled?: (value: T) => TResult | PromiseLike<TResult>, onrejected?: (reason: any) => TResult | PromiseLike<TResult>): PromiseLike<TResult>;
then<TResult>(onfulfilled?: (value: T) => TResult | PromiseLike<TResult>, onrejected?: (reason: any) => void): PromiseLike<TResult>;
* Attaches callbacks for the resolution and/or rejection of the Promise.
* @param onfulfilled The callback to execute when the Promise is resolved.
* @param onrejected The callback to execute when the Promise is rejected.
* @returns A Promise for the completion of which ever callback is executed.
*/
then<TResult1, TResult2>(onfulfilled: (value: T) => TResult1 | PromiseLike<TResult1>, onrejected: (reason: any) => TResult2 | PromiseLike<TResult2>): PromiseLike<TResult1 | TResult2>;
/**
* Attaches callbacks for the resolution and/or rejection of the Promise.
* @param onfulfilled The callback to execute when the Promise is resolved.
* @param onrejected The callback to execute when the Promise is rejected.
* @returns A Promise for the completion of which ever callback is executed.
*/
then<TResult>(onfulfilled: (value: T) => TResult | PromiseLike<TResult>, onrejected: (reason: any) => TResult | PromiseLike<TResult>): PromiseLike<TResult>;
/**
* Attaches callbacks for the resolution and/or rejection of the Promise.
* @param onfulfilled The callback to execute when the Promise is resolved.
* @returns A Promise for the completion of which ever callback is executed.
*/
then<TResult>(onfulfilled: (value: T) => TResult | PromiseLike<TResult>): PromiseLike<TResult>;
/**
* Creates a new Promise with the same internal state of this Promise.
* @returns A Promise.
*/
then(): PromiseLike<T>;
}
interface ArrayLike<T> {
@@ -1524,7 +1544,7 @@ interface Int8Array {
* Returns the index of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
@@ -1797,7 +1817,7 @@ interface Uint8Array {
* Returns the index of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
@@ -2071,7 +2091,7 @@ interface Uint8ClampedArray {
* Returns the index of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
@@ -2344,7 +2364,7 @@ interface Int16Array {
* Returns the index of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
@@ -2618,7 +2638,7 @@ interface Uint16Array {
* Returns the index of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
@@ -2891,7 +2911,7 @@ interface Int32Array {
* Returns the index of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
@@ -3164,7 +3184,7 @@ interface Uint32Array {
* Returns the index of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
@@ -3437,7 +3457,7 @@ interface Float32Array {
* Returns the index of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.
@@ -3711,7 +3731,7 @@ interface Float64Array {
* Returns the index of the first element in the array where predicate is true, and undefined
* otherwise.
* @param predicate find calls predicate once for each element of the array, in ascending
* order, until it finds one where predicate returns true. If such an element is found,
* order, until it finds one where predicate returns true. If such an element is found,
* findIndex immediately returns that element index. Otherwise, findIndex returns -1.
* @param thisArg If provided, it will be used as the this value for each invocation of
* predicate. If it is not provided, undefined is used instead.