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js: add support for Promise.wait() (#12781)

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* builtin/js: Change Promise<T,E> to Promise<T>

* js: codegen support for Promise.wait()

* checker: checker support for Promise.wait()
This commit is contained in:
playX
2021-12-10 15:54:20 +03:00
committed by GitHub
parent 7fc9e614a3
commit b116170735
3 changed files with 52 additions and 28 deletions
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30
vlib/builtin/js/promise.js.v
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@ -14,46 +14,46 @@ pub fn JS.Promise.race(JS.Array) JS.Promise
// The Promise object represents the eventual completion (or failure)
// of an asynchronous operation and its resulting value.
pub struct Promise<T, E> {
pub struct Promise<T> {
mut:
promise JS.Promise [noinit]
}
pub fn promise_new<T, E>(executor fn (resolve fn (T), reject fn (E))) Promise<T, E> {
pub fn promise_new<T>(executor fn (resolve fn (T), reject fn (JS.Any))) Promise<T> {
promise := JS.Promise.prototype.constructor(executor)
return Promise<T, E>{promise}
return Promise<T>{promise}
}
pub fn (p Promise<T, E>) then(on_fullfilled fn (T), on_rejected fn (E)) {
pub fn (p Promise<T>) then(on_fullfilled fn (T), on_rejected fn (JS.Any)) {
p.promise.then(on_fullfilled, on_rejected)
}
// catch method returns a Promise and deals with rejected cases only.
pub fn (p Promise<T, E>) catch(callback fn (error JS.Any)) Promise<T, E> {
pub fn (p Promise<T>) catch(callback fn (error JS.Any)) Promise<T> {
promise := p.promise.catch(callback)
return Promise<T, E>{promise}
return Promise<T>{promise}
}
pub fn (p Promise<T, E>) finally(callback fn ()) Promise<int, int> {
pub fn (p Promise<T>) finally<U>(callback fn ()) Promise<JS.Any> {
promise := p.promise.finally(callback)
return Promise<int, int>{promise}
return Promise<JS.Any>{promise}
}
// reject<E> returns promise which was rejected because of specified error
pub fn promise_reject<E>(error E) Promise<int, E> {
pub fn promise_reject(error JS.Any) Promise<JS.Any> {
promise := JS.Promise.reject(error)
return Promise<int, E>{promise}
return Promise<JS.Any>{promise}
}
// resolve<E> returns promise which was resolved with specified value
pub fn promise_resolve<T>(result T) Promise<T, int> {
promise := JS.Promise.resolve(error)
return Promise<T, int>{promise}
pub fn promise_resolve<T>(result T) Promise<T> {
promise := JS.Promise.resolve(result)
return Promise<T>{promise}
}
// race returns returns a promise that fulfills or rejects as soon as one of
// the promises in an iterable fulfills or rejects, with the value or reason from that promise.
pub fn promise_race<T, E>(promises []Promise<T, E>) Promise<T, E> {
pub fn promise_race<T>(promises []Promise<T>) Promise<T> {
promises_ := JS.Array.prototype.constructor()
for elem in promises {
@ -61,7 +61,7 @@ pub fn promise_race<T, E>(promises []Promise<T, E>) Promise<T, E> {
}
promise := JS.Promise.race(promises_)
return Promise<T, E>{promise}
return Promise<T>{promise}
}
pub fn JS.Promise.all(JS.Array) JS.Promise