elk/modules/pwa/i18n.ts

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import { readFile } from 'fs-extra'
import { resolve } from 'pathe'
import type { ManifestOptions } from 'vite-plugin-pwa'
import { getEnv } from '../../config/env'
import { i18n } from '../../config/i18n'
import type { LocaleObject } from '#i18n'
export type LocalizedWebManifest = Record<string, Partial<ManifestOptions>>
export const pwaLocales = i18n.locales as LocaleObject[]
type WebManifestEntry = Pick<ManifestOptions, 'name' | 'short_name' | 'description'>
type RequiredWebManifestEntry = Required<WebManifestEntry & Pick<ManifestOptions, 'dir' | 'lang'>>
export const createI18n = async (): Promise<LocalizedWebManifest> => {
const { env } = await getEnv()
const envName = `${env === 'release' ? '' : `(${env})`}`
const { pwa } = await readI18nFile('en-US.json')
const defaultManifest: Required<WebManifestEntry> = pwa.webmanifest[env]
const locales: RequiredWebManifestEntry[] = await Promise.all(
pwaLocales
.filter(l => l.code !== 'en-US')
.map(async ({ code, dir = 'ltr', file }) => {
// read locale file
const { pwa, app_name, app_desc_short } = await readI18nFile(file!)
const entry: WebManifestEntry = pwa?.webmanifest?.[env] ?? {}
if (!entry.name && app_name)
entry.name = dir === 'rtl' ? `${envName} ${app_name}` : `${app_name} ${envName}`
if (!entry.short_name && app_name)
entry.short_name = dir === 'rtl' ? `${envName} ${app_name}` : `${app_name} ${envName}`
if (!entry.description && app_desc_short)
entry.description = app_desc_short
return <RequiredWebManifestEntry>{
...defaultManifest,
...entry,
lang: code,
dir,
}
}),
)
locales.push({
...defaultManifest,
lang: 'en-US',
dir: 'ltr',
})
return locales.reduce((acc, { lang, dir, name, short_name, description }) => {
acc[lang] = {
scope: '/',
id: '/',
start_url: '/',
display: 'standalone',
lang,
name,
short_name,
description,
dir,
background_color: '#ffffff',
theme_color: '#ffffff',
icons: [
{
src: 'pwa-192x192.png',
sizes: '192x192',
type: 'image/png',
},
{
src: 'pwa-512x512.png',
sizes: '512x512',
type: 'image/png',
},
],
}
acc[`${lang}-dark`] = {
scope: '/',
id: '/',
start_url: '/',
display: 'standalone',
lang,
name,
short_name,
description,
dir,
background_color: '#111111',
theme_color: '#111111',
icons: [
{
src: 'pwa-192x192.png',
sizes: '192x192',
type: 'image/png',
},
{
src: 'pwa-512x512.png',
sizes: '512x512',
type: 'image/png',
},
],
}
return acc
}, {} as LocalizedWebManifest)
}
async function readI18nFile(file: string) {
return JSON.parse(Buffer.from(
await readFile(resolve(`./locales/${file}`), 'utf-8'),
).toString())
}