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refactor: 优化 autobind TS 类型

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This commit is contained in:
YangFong 2023-08-15 09:52:01 +08:00
parent 1882f91765
commit 2e508bdd73
1 changed files with 18 additions and 14 deletions
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32
packages/amis-core/src/utils/autobind.ts
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@ -1,17 +1,21 @@
const {defineProperty, getPrototypeOf} = Object;
export function bind(fn: Function, context: any) {
// 简写
type Fn = Function
type SuperStore = WeakMap<Fn, Fn>
export function bind(fn: Fn, thisArg: any): Fn {
if (fn.bind) {
return fn.bind(context);
} else {
return function __autobind__() {
return fn.apply(context, arguments);
};
return fn.bind(thisArg);
}
return function __autobind__() {
return fn.apply(thisArg, arguments);
};
}
let mapStore: WeakMap<Object, any>;
function getBoundSuper(obj: Object, fn: Function) {
let mapStore: WeakMap<Object, SuperStore>;
function getBoundSuper(obj: Object, fn: Fn) {
if (typeof WeakMap === 'undefined') {
throw new Error(
`Using @autobind on ${fn.name}() requires WeakMap support due to its use of super.${fn.name}()
@ -23,22 +27,22 @@ function getBoundSuper(obj: Object, fn: Function) {
mapStore = new WeakMap();
}
if (mapStore.has(obj) === false) {
if (!mapStore.has(obj)) {
mapStore.set(obj, new WeakMap());
}
const superStore = mapStore.get(obj);
const superStore = mapStore.get(obj) as SuperStore;
if (superStore.has(fn) === false) {
if (!superStore.has(fn)) {
superStore.set(fn, bind(fn, obj));
}
return superStore.get(fn);
return superStore.get(fn) as Fn;
}
function createDefaultSetter(key: string) {
return function set(this: any, newValue: any) {
Object.defineProperty(this, key, {
defineProperty(this, key, {
configurable: true,
writable: true,
// IS enumerable when reassigned by the outside word
@ -53,7 +57,7 @@ function createDefaultSetter(key: string) {
export function autobindMethod(
target: Object,
key: string,
{value: fn, configurable, enumerable}: TypedPropertyDescriptor<Function>
{value: fn, configurable, enumerable}: TypedPropertyDescriptor<Fn>
) {
if (typeof fn !== 'function') {
throw new SyntaxError(