d5ba21fa76
Standalone repo that builds embeddable JAMstack map bundles (web components), composes them into a lazy-loaded SPA via layouts/, and optionally wraps a Capacitor Android/iOS app — one build, choose your output/CDN. Diátaxis docs. History reset to a single clean commit; no PII, IPs, or internal terms.
95 lines
2.7 KiB
JavaScript
95 lines
2.7 KiB
JavaScript
/**
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* dataStore.js — Centralized data cache
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*
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* All data fetching goes through here — no direct fetch() inside components.
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* markRaw() is REQUIRED on all large datasets to prevent Vue proxy wrapping.
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*/
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import { defineStore, acceptHMRUpdate } from 'pinia'
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import { markRaw } from 'vue'
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export const useDataStore = defineStore('data', {
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state: () => ({
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/**
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* Cached data per source.
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* Key: sourceId (string)
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* Value: { features, rawData, timestamp }
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*/
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sources: {},
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/**
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* Loading state per source.
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* Key: sourceId
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* Value: { isLoading, error }
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*/
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loadingStates: {}
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}),
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actions: {
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/**
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* Load data for a sourceId.
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* fetchFn: async () => data — caller provides the fetch logic.
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* Data is marked raw to avoid Vue proxy overhead on large arrays.
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*/
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async load(sourceId, fetchFn) {
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if (this.sources[sourceId]) return // already cached
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this.loadingStates[sourceId] = { isLoading: true, error: null }
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try {
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const data = await fetchFn()
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// markRaw: large datasets (GeoJSON features, CSV rows) must NOT be reactive
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this.sources[sourceId] = markRaw({
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features: data,
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timestamp: Date.now()
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})
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this.loadingStates[sourceId] = { isLoading: false, error: null }
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} catch (err) {
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console.error(`[dataStore] Failed to load source "${sourceId}":`, err)
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this.loadingStates[sourceId] = { isLoading: false, error: err }
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}
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},
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clearSource(sourceId) {
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delete this.sources[sourceId]
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delete this.loadingStates[sourceId]
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},
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/**
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* Cache normalized source data — called by useMapData after DataSourceManager loads.
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* Stores under sources[sourceId].features so LegendPrayerProgress.localScan() can read it.
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*/
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cacheSourceData(sourceId, payload) {
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this.sources[sourceId] = markRaw({
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features: payload.normalizedData || [],
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timestamp: payload.timestamp || Date.now()
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})
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},
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/**
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* Check if a source is already cached.
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*/
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hasSourceData(sourceId) {
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return !!this.sources[sourceId]
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},
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/**
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* Get cached source data (returns the stored payload object).
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*/
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getSourceData(sourceId) {
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return this.sources[sourceId]
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? { normalizedData: this.sources[sourceId].features }
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: null
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}
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},
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getters: {
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getData: (state) => (sourceId) => state.sources[sourceId]?.features ?? null,
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isLoading: (state) => (sourceId) => state.loadingStates[sourceId]?.isLoading ?? false,
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getError: (state) => (sourceId) => state.loadingStates[sourceId]?.error ?? null
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}
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})
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if (import.meta.hot) {
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import.meta.hot.accept(acceptHMRUpdate(useDataStore, import.meta.hot))
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}
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