65 lines
1.9 KiB
JavaScript
65 lines
1.9 KiB
JavaScript
const ncc = require('@zeit/ncc')
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const { existsSync, readFileSync } = require('fs')
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const { basename, dirname, extname, join } = require('path')
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module.exports = function(task) {
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// eslint-disable-next-line require-yield
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task.plugin('ncc', {}, function*(file, options) {
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return ncc(join(__dirname, file.dir, file.base), {
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// cannot bundle
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externals: ['chokidar'],
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minify: true,
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...options,
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}).then(({ code, assets }) => {
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Object.keys(assets).forEach(key =>
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this._.files.push({
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dir: join(file.dir, dirname(key)),
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base: basename(key),
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data: assets[key].source,
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})
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)
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if (options && options.packageName) {
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writePackageManifest.call(this, options.packageName)
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}
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file.data = Buffer.from(code, 'utf8')
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})
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})
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}
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// This function writes a minimal `package.json` file for a compiled package.
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// It defines `name`, `main`, `author`, and `license`. It also defines `types`.
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// n.b. types intended for development usage only.
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function writePackageManifest(packageName) {
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const packagePath = require.resolve(packageName + '/package.json')
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let { name, main, author, license } = require(packagePath)
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if (!main) {
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main = 'index.js'
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}
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const compiledPackagePath = join(__dirname, `dist/compiled/${packageName}`)
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const potentialLicensePath = join(dirname(packagePath), './LICENSE')
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if (existsSync(potentialLicensePath)) {
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this._.files.push({
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dir: compiledPackagePath,
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base: 'LICENSE',
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data: readFileSync(potentialLicensePath, 'utf8'),
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})
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}
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this._.files.push({
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dir: compiledPackagePath,
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base: 'package.json',
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data:
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JSON.stringify(
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Object.assign(
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{},
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{ name, main: `${basename(main, '.' + extname(main))}` },
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author ? { author } : undefined,
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license ? { license } : undefined
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)
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) + '\n',
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})
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}
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