Created
June 1, 2020 14:20
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| import Vue from 'vue'; | |
| import { ExtendedVue } from 'vue/types/vue'; | |
| export function cachedProp<T extends string>( | |
| origin: string, | |
| cached: T, | |
| ): ExtendedVue< | |
| Vue, | |
| Record<string, unknown>, | |
| Record<string, unknown>, | |
| { [P in T]: () => any }, | |
| Record<string, unknown> | |
| > { | |
| return Vue.extend({ | |
| data() { | |
| return { [cached]: {} }; | |
| }, | |
| watch: { | |
| [origin]: { | |
| immediate: true, | |
| handler(n: Record<string, unknown>, o: Record<string, unknown>): void { | |
| if (o !== void 0) { | |
| for (const prop in o) { | |
| if (Object.prototype.hasOwnProperty.call(n, prop) !== true) { | |
| this.$delete(this[cached], prop); | |
| } | |
| } | |
| } | |
| for (const prop in n) { | |
| this.$set(this[cached], prop, n[prop]); | |
| } | |
| }, | |
| }, | |
| }, | |
| // computed: { | |
| // [cached]: function(): any { | |
| // console.log('hoba!'); | |
| // return this[origin]; | |
| // }, | |
| // } as any, | |
| }); | |
| } |
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