76 lines
1.8 KiB
TypeScript
76 lines
1.8 KiB
TypeScript
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import path from 'path'
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import {build} from 'esbuild'
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import type {Plugin} from 'esbuild'
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import {writeFileSync} from 'fs'
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const externalPlugin = (patterns: RegExp[]): Plugin => {
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return {
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name: `external`,
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setup(build) {
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build.onResolve({filter: /.*/}, (args) => {
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const external = patterns.some((p) => {
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return p.test(args.path)
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})
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if (external) {
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return {path: args.path, external}
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}
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})
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},
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}
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}
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const definedGlobals = {
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global: 'window',
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}
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function createBundles(watch: boolean) {
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const pathToPackage = path.join(__dirname, '../')
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const esbuildConfig: Parameters<typeof build>[0] = {
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entryPoints: [path.join(pathToPackage, 'src/index.tsx')],
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bundle: true,
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sourcemap: true,
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define: definedGlobals,
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watch,
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platform: 'neutral',
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mainFields: ['browser', 'module', 'main'],
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target: ['firefox57', 'chrome58'],
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conditions: ['browser', 'node'],
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// every dependency is considered external
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plugins: [externalPlugin([/^[\@a-zA-Z]+/])],
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}
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build({
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...esbuildConfig,
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define: {...definedGlobals, 'process.env.NODE_ENV': '"production"'},
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outfile: path.join(pathToPackage, 'dist/index.production.cjs'),
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format: 'cjs',
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treeShaking: true,
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})
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build({
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...esbuildConfig,
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define: {...definedGlobals, 'process.env.NODE_ENV': '"development"'},
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outfile: path.join(pathToPackage, 'dist/index.development.cjs'),
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format: 'cjs',
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})
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writeFileSync(
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path.join(pathToPackage, 'dist/index.cjs'),
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`module.exports =
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process.env.NODE_ENV === "production"
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? require("./index.production.cjs")
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: require("./index.development.cjs")`,
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{encoding: 'utf-8'},
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)
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build({
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...esbuildConfig,
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outfile: path.join(pathToPackage, 'dist/index.mjs'),
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format: 'esm',
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})
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}
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createBundles(false)
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