89 lines
2.3 KiB
TypeScript
89 lines
2.3 KiB
TypeScript
import { toRefs } from '@vueuse/core'
|
|
import { computed, getCurrentInstance, reactive } from 'vue'
|
|
import type { FlowOptions, VueFlowStore } from '../types'
|
|
import { useActions, useGetters, useState } from '../store'
|
|
|
|
/**
|
|
* Stores all currently created store instances
|
|
*/
|
|
export class Storage {
|
|
public currentId = 0
|
|
public flows = new Map<string, VueFlowStore>()
|
|
static instance: Storage
|
|
|
|
public static getInstance(): Storage {
|
|
// todo: this is just a workaround for now, in the next major this class won't exist and the state will be ctx-based (like React Provider)
|
|
const vueApp = getCurrentInstance()?.appContext.app
|
|
|
|
const existingInstance = vueApp?.config.globalProperties.$vueFlowStorage ?? Storage.instance
|
|
|
|
Storage.instance = existingInstance ?? new Storage()
|
|
|
|
if (vueApp) {
|
|
vueApp.config.globalProperties.$vueFlowStorage = Storage.instance
|
|
}
|
|
|
|
return Storage.instance
|
|
}
|
|
|
|
public set(id: string, flow: VueFlowStore) {
|
|
return this.flows.set(id, flow)
|
|
}
|
|
|
|
public get(id: string) {
|
|
return this.flows.get(id)
|
|
}
|
|
|
|
public remove(id: string) {
|
|
return this.flows.delete(id)
|
|
}
|
|
|
|
public create(id: string, preloadedState?: FlowOptions): VueFlowStore {
|
|
const state = useState()
|
|
|
|
const reactiveState = reactive(state)
|
|
|
|
const hooksOn = <any>{}
|
|
for (const [n, h] of Object.entries(reactiveState.hooks)) {
|
|
const name = `on${n.charAt(0).toUpperCase() + n.slice(1)}`
|
|
hooksOn[name] = h.on
|
|
}
|
|
|
|
const emits = <any>{}
|
|
for (const [n, h] of Object.entries(reactiveState.hooks)) {
|
|
emits[n] = h.trigger
|
|
}
|
|
|
|
// for lookup purposes
|
|
const nodeIds = computed(() => reactiveState.nodes.map((n) => n.id))
|
|
const edgeIds = computed(() => reactiveState.edges.map((e) => e.id))
|
|
|
|
const getters = useGetters(reactiveState, nodeIds, edgeIds)
|
|
|
|
const actions = useActions(id, reactiveState, nodeIds, edgeIds)
|
|
|
|
actions.setState({ ...reactiveState, ...preloadedState })
|
|
|
|
const flow: VueFlowStore = {
|
|
...hooksOn,
|
|
...getters,
|
|
...actions,
|
|
...toRefs(reactiveState),
|
|
emits,
|
|
id,
|
|
vueFlowVersion: typeof __VUE_FLOW_VERSION__ !== 'undefined' ? __VUE_FLOW_VERSION__ : 'UNKNOWN',
|
|
$destroy: () => {
|
|
this.remove(id)
|
|
},
|
|
}
|
|
|
|
this.set(id, flow)
|
|
|
|
return flow
|
|
}
|
|
|
|
public getId() {
|
|
return `vue-flow-${this.currentId++}`
|
|
}
|
|
}
|