78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
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const browserify = require('browserify')
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const watchify = require('watchify')
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const { createWriteStream } = require('fs')
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const { readFile } = require('fs').promises
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const bundleResourceToFile = (inPath, outPath) => {
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return new Promise((resolve, reject) => {
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browserify(inPath).bundle()
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.once('error', (e) => reject(e))
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.pipe(createWriteStream(outPath))
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.once('finish', () => resolve())
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})
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}
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const bundleResource = (inPath) => {
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return new Promise((resolve, reject) => {
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browserify(inPath).bundle((err, buffer) => {
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if (err != null) {
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reject(err)
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return
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}
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resolve(buffer)
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})
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})
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}
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const watchResourceToFile = (inPath, outPath) => {
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const b = browserify({
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entries: [inPath],
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cache: {},
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packageCache: {},
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plugin: [watchify]
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})
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const bundle = () => {
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b.bundle()
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.once('error', (e) => {
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console.error(`Failed to bundle ${inPath} into ${outPath}.`)
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console.error(e)
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})
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.pipe(createWriteStream(outPath))
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.once('finish', () => console.log(`Bundled ${inPath} into ${outPath}.`))
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}
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b.on('update', bundle)
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bundle()
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}
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const main = async () => {
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if (process.argv[2] === 'build') {
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await bundleResourceToFile('client/main.js', 'static/karma.js')
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await bundleResourceToFile('context/main.js', 'static/context.js')
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} else if (process.argv[2] === 'check') {
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const expectedClient = await bundleResource('client/main.js')
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const expectedContext = await bundleResource('context/main.js')
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const actualClient = await readFile('static/karma.js')
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const actualContext = await readFile('static/context.js')
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if (Buffer.compare(expectedClient, actualClient) !== 0 || Buffer.compare(expectedContext, actualContext) !== 0) {
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// eslint-disable-next-line no-throw-literal
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throw 'Bundled client assets are outdated. Forgot to run "npm run build"?'
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}
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} else if (process.argv[2] === 'watch') {
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watchResourceToFile('client/main.js', 'static/karma.js')
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watchResourceToFile('context/main.js', 'static/context.js')
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} else {
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// eslint-disable-next-line no-throw-literal
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throw `Unknown command: ${process.argv[2]}`
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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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