154 lines
5.2 KiB
TypeScript
154 lines
5.2 KiB
TypeScript
import { transform } from '@swc/core'
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import { main } from 'bun'
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import chalk from 'chalk'
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import { type OutputChunk, type RolldownPlugin, rolldown } from 'rolldown'
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import tsconfigPaths from 'rollup-plugin-tsconfig-paths'
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// If this file is being run directly, build the project
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if (main === import.meta.filename) build()
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export default async function build(dev = false, log = true) {
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const start = performance.now()
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const bundle = await rolldown({
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input: 'src/index.ts',
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platform: 'neutral',
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resolve: {
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tsconfigFilename: 'tsconfig.json',
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},
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treeshake: true,
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keepNames: true,
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moduleTypes: {
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'.webp': 'dataurl',
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},
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define: {
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__BUILD_COMMIT__: JSON.stringify(''),
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__BUILD_ENV__: JSON.stringify(dev ? 'development' : 'production'),
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__BUILD_FLAG_INIT_DISABLE_PATCH_LOG_PROMISE_REJECTIONS__: String(!dev),
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},
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plugins: [
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swcPlugin(),
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hermesCPlugin({
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flags: [
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dev ? '-Og' : '-O',
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'-eager',
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'-finline',
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'-fno-static-require',
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'-Wno-direct-eval',
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'-Wno-undefined-variable',
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],
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afterComplete() {
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if (log) console.debug(chalk.gray('\u{1F5CE} Bytecode compilation finished'))
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},
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}),
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],
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})
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await bundle.write({
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file: 'dist/revenge.js',
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format: 'iife',
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footer: '//# sourceURL=Revenge',
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inlineDynamicImports: true,
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})
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if (log)
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console.info(
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chalk.greenBright(
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`\u{1F5CE} Compiled successfully! ${chalk.gray(`(took ${(performance.now() - start).toFixed(2)}ms)`)}`,
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),
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)
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}
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function swcPlugin() {
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return {
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name: 'swc',
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transform: {
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filter: {
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id: /\.[cm]?[jt]sx?$/,
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},
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handler(code) {
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return transform(code, {
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jsc: {
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transform: {
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react: {
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runtime: 'automatic',
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},
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},
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parser: {
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syntax: 'typescript',
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tsx: true,
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},
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},
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env: {
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// https://github.com/discord/hermes/blob/main/doc/Features.md
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targets: 'fully supports es6',
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include: [
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'transform-async-generator-functions',
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'transform-block-scoping',
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'transform-classes',
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'transform-duplicate-named-capturing-groups-regex',
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'transform-named-capturing-groups-regex',
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],
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exclude: [
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// Async functions are supported, only async arrow functions aren't
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// Source: https://github.com/facebook/hermes/issues/1395
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'transform-async-to-generator',
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'transform-exponentiation-operator',
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'transform-logical-assignment-operators',
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'transform-nullish-coalescing-operator',
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'transform-numeric-separator',
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'transform-object-rest-spread',
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'transform-optional-catch-binding',
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'transform-optional-chaining',
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'transform-parameters',
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'transform-template-literals',
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],
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},
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})
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},
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},
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} satisfies RolldownPlugin
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}
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function hermesCPlugin({ afterComplete, flags }: { flags?: string[]; afterComplete?: () => void } = {}) {
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const paths = {
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win32: 'hermesc.exe',
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darwin: 'darwin/hermesc',
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linux: 'linux/hermesc',
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}
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if (!(process.platform in paths)) throw new Error(`Unsupported platform: ${process.platform}`)
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const binPath = paths[process.platform as keyof typeof paths]
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return {
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name: 'hermesc',
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generateBundle(_, bundle) {
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const file = bundle['revenge.js'] as OutputChunk
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if (!file || !file.code) throw new Error('No code to compile')
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const cmd = Bun.spawnSync(
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[
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`./node_modules/@unbound-mod/hermesc/${process.platform}/${binPath}`,
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'-emit-binary',
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...(flags ?? []),
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],
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{
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stdin: new Blob([file.code]),
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stdout: 'pipe',
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},
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)
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const buf = cmd.stdout
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if (!buf.length) throw new Error('No output from hermesc')
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this.emitFile({
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type: 'asset',
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fileName: `${file.fileName.split('.')[0]!}.bundle`,
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source: buf,
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})
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if (afterComplete) afterComplete()
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},
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} satisfies RolldownPlugin
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}
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