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fix: simplify EventData typings, drop NotifyData

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shirakaba
2022-11-23 14:35:36 +09:00
parent 3dad494136
commit b572da1e86
9 changed files with 85 additions and 79 deletions
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79
packages/core/abortcontroller/abortsignal.ts
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@@ -1,4 +1,3 @@
import { Observable } from '../data/observable';
// Known Limitation
@@ -6,75 +5,71 @@ import { Observable } from '../data/observable';
// to make assignable our `AbortSignal` into that.
// https://github.com/Microsoft/TSJS-lib-generator/pull/623
type Events = {
abort: any // Event & Type<"abort">
}
abort: any; // Event & Type<"abort">
};
type EventAttributes = {
onabort: any // Event & Type<"abort">
}
onabort: any; // Event & Type<"abort">
};
/**
* The signal class.
* @see https://dom.spec.whatwg.org/#abortsignal
*/
export default class AbortSignal extends Observable {
/**
* AbortSignal cannot be constructed directly.
*/
public constructor() {
super()
}
/**
* AbortSignal cannot be constructed directly.
*/
public constructor() {
super();
}
/**
* Returns `true` if this `AbortSignal`'s `AbortController` has signaled to abort, and `false` otherwise.
*/
public get aborted(): boolean {
const aborted = abortedFlags.get(this)
if (typeof aborted !== "boolean") {
throw new TypeError(
`Expected 'this' to be an 'AbortSignal' object, but got ${
this === null ? "null" : typeof this
}`,
)
}
return aborted
}
/**
* Returns `true` if this `AbortSignal`'s `AbortController` has signaled to abort, and `false` otherwise.
*/
public get aborted(): boolean {
const aborted = abortedFlags.get(this);
if (typeof aborted !== 'boolean') {
throw new TypeError(`Expected 'this' to be an 'AbortSignal' object, but got ${this === null ? 'null' : typeof this}`);
}
return aborted;
}
}
/**
* Create an AbortSignal object.
*/
export function createAbortSignal(): AbortSignal {
const signal = new AbortSignal();
abortedFlags.set(signal, false)
return signal
const signal = new AbortSignal();
abortedFlags.set(signal, false);
return signal;
}
/**
* Abort a given signal.
*/
export function abortSignal(signal: AbortSignal): void {
if (abortedFlags.get(signal) !== false) {
return
}
if (abortedFlags.get(signal) !== false) {
return;
}
abortedFlags.set(signal, true)
signal.notify({ eventName: "abort", type: "abort" })
abortedFlags.set(signal, true);
signal.notify({ eventName: 'abort', type: 'abort', object: this });
}
/**
* Aborted flag for each instances.
*/
const abortedFlags = new WeakMap<AbortSignal, boolean>()
const abortedFlags = new WeakMap<AbortSignal, boolean>();
// Properties should be enumerable.
Object.defineProperties(AbortSignal.prototype, {
aborted: { enumerable: true },
})
aborted: { enumerable: true },
});
// `toString()` should return `"[object AbortSignal]"`
if (typeof Symbol === "function" && typeof Symbol.toStringTag === "symbol") {
Object.defineProperty(AbortSignal.prototype, Symbol.toStringTag, {
configurable: true,
value: "AbortSignal",
})
}
if (typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol') {
Object.defineProperty(AbortSignal.prototype, Symbol.toStringTag, {
configurable: true,
value: 'AbortSignal',
});
}