89 lines
2.9 KiB
TypeScript
89 lines
2.9 KiB
TypeScript
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import { spawnSync } from 'child_process'
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import { existsSync, readFileSync } from 'fs'
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import type { OutputChunk, RolldownPlugin } from 'rolldown'
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export default function hermesCPlugin({
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after,
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before,
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flags,
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}: {
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flags?: string[]
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before?: (v: string) => void
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after?: (v: string) => void
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} = {}): RolldownPlugin {
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const paths = {
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win32: 'win64-bin/hermesc.exe',
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darwin: 'osx-bin/hermesc',
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linux: 'linux64-bin/hermesc',
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}
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if (!(process.platform in paths))
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throw new Error(`Unsupported platform: ${process.platform}`)
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const sdksDir = './node_modules/hermes-compiler/hermesc'
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const binPath = `${sdksDir}/${paths[process.platform as keyof typeof paths]}`
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if (!existsSync(binPath))
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throw new Error(
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`Hermes compiler not found at ${binPath}. Please ensure you have react-native installed.`,
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)
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const ver = JSON.parse(
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readFileSync(`${sdksDir}/../package.json`).toString(),
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).version
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return {
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name: 'hermesc',
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generateBundle(_, bundle) {
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if (before) before(ver)
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const file = bundle['revenge.js'] as OutputChunk
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if (!file) throw new Error('No code to compile')
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const argList = ['-emit-binary', ...(flags ?? [])]
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const cmd =
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// TODO: Move away from Bun: https://github.com/oven-sh/bun/issues/25498
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typeof Bun !== 'undefined'
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? (() => {
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const cmd = Bun.spawnSync([binPath, ...argList], {
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// @ts-expect-error: Works but types are incorrect
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stdio: [new Blob([file.code]), 'pipe'],
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})
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return {
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status: cmd.exitCode,
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stdout: cmd.stdout,
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stderr: cmd.stderr,
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}
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})()
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: spawnSync(binPath, argList, {
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stdio: ['pipe', 'pipe'],
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input: file.code,
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})
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if (cmd.status !== 0) {
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if (cmd.stderr.length)
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throw new Error(
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`Got error from hermesc: ${cmd.stderr.toString()}`,
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)
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else throw new Error(`hermesc exited with code: ${cmd.status}`)
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}
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const buf = cmd.stdout
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if (!buf.length)
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throw new Error(
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`No output from hermesc. Probably a compilation error.\nTry running the command manually: ${binPath} ${argList.join(' ')}`,
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)
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this.emitFile({
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type: 'asset',
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fileName: `${file.fileName.split('.')[0]!}.bundle`,
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source: buf,
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})
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if (after) after(ver)
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},
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}
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}
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