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feat(bridge): init function for useState (#773)

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Anthony Fu 2021-10-12 22:49:18 +08:00 committed by GitHub
parent 3c132a8de0
commit 2fb58ae2be
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1 changed files with 7 additions and 3 deletions
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10
packages/bridge/src/runtime/composables.ts
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@ -1,4 +1,4 @@
import { reactive, toRef, isReactive } from '@vue/composition-api'
import { reactive, toRef, isReactive, Ref } from '@vue/composition-api'
import type VueRouter from 'vue-router'
import type { Route } from 'vue-router'
import { useNuxtApp } from './app'
@ -41,7 +41,7 @@ export const useRoute = () => {
}
// payload.state is used for vuex by nuxt 2
export const useState = (key: string) => {
export const useState = <T>(key: string, init?: (() => T)): Ref<T> => {
const nuxtApp = useNuxtApp()
if (!nuxtApp.payload.useState) {
nuxtApp.payload.useState = {}
@ -49,5 +49,9 @@ export const useState = (key: string) => {
if (!isReactive(nuxtApp.payload.useState)) {
nuxtApp.payload.useState = reactive(nuxtApp.payload.useState)
}
return toRef(nuxtApp.payload.useState, key)
const state = toRef(nuxtApp.payload.useState, key)
if (state.value === undefined && init) {
state.value = init()
}
return state
}