76 lines
2.4 KiB
TypeScript
76 lines
2.4 KiB
TypeScript
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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: ${process.platform}`)
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const sdksDir = './node_modules/react-native/sdks'
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const binPath = `${sdksDir}/hermesc/${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 ${binPath}. Please ensure you have react-native installed.`,
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)
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const ver = readFileSync(`${sdksDir}/.hermesversion`).toString()
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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 || !file.code) throw new Error('No code to compile')
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// TODO(scripts/build): Remove this when we have a better way to add sourceURL
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file.code += `//# sourceURL=Revenge`
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const cmdlist = [binPath, '-emit-binary', ...(flags ?? [])]
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const cmd = Bun.spawnSync<'pipe', 'pipe'>(cmdlist, {
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// @ts-expect-error: Types are incorrect, but this works
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stdin: new Blob([file.code]),
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stdout: 'pipe',
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})
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if (cmd.exitCode) {
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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
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throw new Error(`hermesc exited with code: ${cmd.exitCode}`)
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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: ${cmdlist.join(' ')}`,
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)
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this.emitFile({
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type: 'asset',
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fileName: `${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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