97 lines
2.7 KiB
JavaScript
97 lines
2.7 KiB
JavaScript
|
const { existsSync, readFileSync } = require('fs')
|
||
|
|
const { brotliCompressSync, constants } = require('zlib')
|
||
|
|
const { load: loadYaml } = require('js-yaml')
|
||
|
|
|
||
|
|
class ProcessLocalesPlugin {
|
||
|
|
constructor(options = {}) {
|
||
|
|
this.compress = !!options.compress
|
||
|
|
|
||
|
|
if (typeof options.inputDir !== 'string') {
|
||
|
|
throw new Error('ProcessLocalesPlugin: no input directory `inputDir` specified.')
|
||
|
|
} else if (!existsSync(options.inputDir)) {
|
||
|
|
throw new Error('ProcessLocalesPlugin: the specified input directory does not exist.')
|
||
|
|
}
|
||
|
|
this.inputDir = options.inputDir
|
||
|
|
|
||
|
|
if (typeof options.outputDir !== 'string') {
|
||
|
|
throw new Error('ProcessLocalesPlugin: no output directory `outputDir` specified.')
|
||
|
|
}
|
||
|
|
this.outputDir = options.outputDir
|
||
|
|
|
||
|
|
this.localeNames = []
|
||
|
|
|
||
|
|
this.loadLocales()
|
||
|
|
}
|
||
|
|
|
||
|
|
apply(compiler) {
|
||
|
|
compiler.hooks.thisCompilation.tap('ProcessLocalesPlugin', (compilation) => {
|
||
|
|
|
||
|
|
const { RawSource } = compiler.webpack.sources;
|
||
|
|
|
||
|
|
compilation.hooks.processAssets.tapPromise({
|
||
|
|
name: 'process-locales-plugin',
|
||
|
|
stage: compiler.webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONAL
|
||
|
|
},
|
||
|
|
async (_assets) => {
|
||
|
|
const promises = []
|
||
|
|
|
||
|
|
for (const { locale, data } of this.locales) {
|
||
|
|
promises.push(new Promise((resolve) => {
|
||
|
|
if (Object.prototype.hasOwnProperty.call(data, 'Locale Name')) {
|
||
|
|
delete data['Locale Name']
|
||
|
|
}
|
||
|
|
|
||
|
|
let filename = `${this.outputDir}/${locale}.json`
|
||
|
|
let output = JSON.stringify(data)
|
||
|
|
|
||
|
|
if (this.compress) {
|
||
|
|
filename += '.br'
|
||
|
|
output = this.compressLocale(output)
|
||
|
|
}
|
||
|
|
|
||
|
|
compilation.emitAsset(
|
||
|
|
filename,
|
||
|
|
new RawSource(output),
|
||
|
|
{ minimized: true }
|
||
|
|
)
|
||
|
|
|
||
|
|
resolve()
|
||
|
|
}))
|
||
|
|
}
|
||
|
|
|
||
|
|
await Promise.all(promises)
|
||
|
|
|
||
|
|
this.locales = null
|
||
|
|
})
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
loadLocales() {
|
||
|
|
this.locales = []
|
||
|
|
|
||
|
|
const activeLocales = JSON.parse(readFileSync(`${this.inputDir}/activeLocales.json`))
|
||
|
|
|
||
|
|
for (const locale of activeLocales) {
|
||
|
|
const contents = readFileSync(`${this.inputDir}/${locale}.yaml`, 'utf-8')
|
||
|
|
const data = loadYaml(contents)
|
||
|
|
|
||
|
|
this.localeNames.push(data['Locale Name'] ?? locale)
|
||
|
|
this.locales.push({ locale, data })
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
compressLocale(data) {
|
||
|
|
const buffer = Buffer.from(data, 'utf-8')
|
||
|
|
|
||
|
|
return brotliCompressSync(buffer, {
|
||
|
|
params: {
|
||
|
|
[constants.BROTLI_PARAM_MODE]: constants.BROTLI_MODE_TEXT,
|
||
|
|
[constants.BROTLI_PARAM_QUALITY]: constants.BROTLI_MAX_QUALITY,
|
||
|
|
[constants.BROTLI_PARAM_SIZE_HINT]: buffer.byteLength
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = ProcessLocalesPlugin
|