117 lines
3.0 KiB
JavaScript
117 lines
3.0 KiB
JavaScript
import chokidar from 'chokidar'
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import fs from 'fs'
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import path from 'path'
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import { promisify } from 'util'
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import { buildSass } from './build-sass.js'
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import { buildInlineScript } from './build-inline-script.js'
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import { buildSvg } from './build-svg.js'
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import { performance } from 'perf_hooks'
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import { debounce } from '../src/routes/_thirdparty/lodash/timers.js'
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import applyIntl from '../webpack/svelte-intl-loader.js'
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import { LOCALE } from '../src/routes/_static/intl.js'
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import rtlDetectPackage from 'rtl-detect'
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const { getLangDir } = rtlDetectPackage
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const __dirname = path.dirname(new URL(import.meta.url).pathname)
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const writeFile = promisify(fs.writeFile)
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const LOCALE_DIRECTION = getLangDir(LOCALE)
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const DEBOUNCE = 500
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const builders = [
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{
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watch: 'src/scss',
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comment: '<!-- inline CSS -->',
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rebuild: buildSass
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},
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{
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watch: 'src/inline-script/inline-script.js',
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comment: '<!-- inline JS -->',
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rebuild: buildInlineScript
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},
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{
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watch: 'bin/svgs.js',
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comment: '<!-- inline SVG -->',
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rebuild: buildSvg
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}
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]
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// array of strings and builder functions, we build this on-the-fly
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const partials = buildPartials()
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function buildPartials () {
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const rawTemplate = fs.readFileSync(path.resolve(__dirname, '../src/build/template.html'), 'utf8')
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const partials = [rawTemplate]
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builders.forEach(builder => {
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for (let i = 0; i < partials.length; i++) {
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const partial = partials[i]
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if (typeof partial !== 'string') {
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continue
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}
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const idx = partial.indexOf(builder.comment)
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if (idx !== -1) {
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partials.splice(
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i,
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1,
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partial.substring(0, idx),
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builder,
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partial.substring(idx + builder.comment.length)
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)
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break
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}
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}
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})
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return partials
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}
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function doWatch () {
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// rebuild each of the partials on-the-fly if something changes
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partials.forEach(partial => {
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if (typeof partial === 'string') {
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return
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}
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chokidar.watch(partial.watch).on('change', debounce(path => {
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console.log(`Detected change in ${path}...`)
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delete partial.result
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buildAll()
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}), DEBOUNCE)
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})
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}
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async function buildAll () {
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const start = performance.now()
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let html = (await Promise.all(partials.map(async partial => {
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if (typeof partial === 'string') {
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return partial
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}
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if (!partial.result) {
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partial.result = partial.comment + '\n' + (await partial.rebuild())
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}
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return partial.result
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}))).join('')
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html = applyIntl(html)
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.replace('{process.env.LOCALE}', LOCALE)
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.replace('{process.env.LOCALE_DIRECTION}', LOCALE_DIRECTION)
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await writeFile(path.resolve(__dirname, '../src/template.html'), html, 'utf8')
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const end = performance.now()
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console.log(`Built template.html in ${(end - start).toFixed(2)}ms`)
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}
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async function main () {
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if (process.argv.includes('--watch')) {
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doWatch()
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} else {
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await buildAll()
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}
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}
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main().catch(err => {
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console.error(err)
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process.exit(1)
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})
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