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This commit is contained in:
Dmitry Vasilev
2022-12-16 13:15:27 +08:00
parent 2cbb546b8c
commit 416fdcf20b
2 changed files with 50 additions and 37 deletions
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64
src/patch_promise.js
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@@ -1,5 +1,5 @@
export const patch_promise = window => {
if(window.Promise.Original != null) {
// already patched
return
@@ -7,42 +7,32 @@ export const patch_promise = window => {
class PromiseWithStatus extends Promise {
constructor(fn) {
let status
let is_constructor_finished = false
super(
(resolve, reject) => {
fn(
(value) => {
if(value instanceof window.Promise.Original) {
value
.then(v => {
this.status = {ok: true, value: v}
resolve(v)
})
.catch(e => {
this.status = {ok: false, error: e}
reject(e)
})
} else {
status = {ok: true, value}
if(is_constructor_finished) {
this.status = status
}
resolve(value)
}
},
(error) => {
status = {ok: false, error}
if(is_constructor_finished) {
this.status = status
}
reject(error)
},
)
}
)
is_constructor_finished = true
this.status = status
const p = new Promise.Original((resolve, reject) => {
fn(
(value) => {
if(value instanceof window.Promise) {
value
.then(v => {
p.status = {ok: true, value: v}
resolve(v)
})
.catch(e => {
p.status = {ok: false, error: e}
reject(e)
})
} else {
p.status = {ok: true, value}
resolve(value)
}
},
(error) => {
p.status = {ok: false, error}
reject(error)
},
)
})
return p
}
}