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Compress them data + store in IndexedDB instead

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This commit is contained in:
Henry Jameson 2024-11-15 00:27:44 +02:00
commit b6684d90b5
4 changed files with 27 additions and 23 deletions
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25
src/services/style_setter/style_setter.js
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@ -2,6 +2,8 @@ import { init, getEngineChecksum } from '../theme_data/theme_data_3.service.js'
import { getCssRules } from '../theme_data/css_utils.js'
import { defaultState } from '../../modules/config.js'
import { chunk } from 'lodash'
import pako from 'pako'
import localforage from 'localforage'
// On platforms where this is not supported, it will return undefined
// Otherwise it will return an array
@ -87,12 +89,15 @@ export const generateTheme = (inputRuleset, callbacks, debug) => {
return { lazyProcessFunc: processChunk }
}
export const tryLoadCache = () => {
const json = localStorage.getItem('pleroma-fe-theme-cache')
if (!json) return null
export const tryLoadCache = async () => {
console.info('Trying to load compiled theme data from cache')
const data = await localforage.getItem('pleromafe-theme-cache')
if (!data) return null
let cache
try {
cache = JSON.parse(json)
const decoded = new TextDecoder().decode(pako.inflate(data))
cache = JSON.parse(decoded)
console.info(`Loaded theme from cache, size=${cache}`)
} catch (e) {
console.error('Failed to decode theme cache:', e)
return false
@ -136,16 +141,10 @@ export const applyTheme = (input, onFinish = (data) => {}, debug) => {
adoptStyleSheets([eagerStyles, lazyStyles])
const cache = { engineChecksum: getEngineChecksum(), data: [eagerStyles.rules, lazyStyles.rules] }
onFinish(cache)
try {
localStorage.setItem('pleroma-fe-theme-cache', JSON.stringify(cache))
} catch (e) {
localStorage.removeItem('pleroma-fe-theme-cache')
try {
localStorage.setItem('pleroma-fe-theme-cache', JSON.stringify(cache))
} catch (e) {
console.warn('cannot save cache!', e)
}
const compress = (js) => {
return pako.deflate(JSON.stringify(js))
}
localforage.setItem('pleromafe-theme-cache', compress(cache))
}
},
debug