calebboyd
45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
import Mfs from 'memory-fs'
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import webpack from 'webpack'
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import { fromCallback } from 'bluebird'
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import { resolve, join, relative } from 'path'
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const isObject = (x) => typeof x === 'object'
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const isString = (x) => typeof x === 'string'
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export default async function bundle (compiler, next) {
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let bundleConfig = compiler.options.bundle
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if (!bundleConfig) {
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return next()
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}
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const input = compiler.options.input || require.resolve(process.cwd())
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const mfs = new Mfs()
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const path = resolve('nexe')
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const filename = 'virtual-bundle.js'
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if (isString(bundleConfig)) {
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bundleConfig === require(relative(process.cwd(), bundleConfig))
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} else if (!isObject(bundleConfig)) {
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bundleConfig = {
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entry: resolve(input),
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target: 'node',
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output: { path, filename }
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}
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}
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const bundler = webpack(bundleConfig)
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bundler.outputFileSystem = mfs
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const stats = await fromCallback(cb => bundler.run(cb))
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if (stats.hasErrors()) {
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compiler.log.error(stats.toString())
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return null
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}
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compiler.input = mfs.readFileSync(
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join(bundleConfig.output.path, bundleConfig.output.filename)
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)
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return next()
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}
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