mirror of
https://github.com/NousResearch/hermes-agent.git
synced 2026-05-03 01:07:31 +08:00
42627b4eaf
Replace the tsc + babel pipeline with a single esbuild invocation that produces a self-contained dist/entry.js. The nix TUI derivation no longer copies node_modules — only dist/ + package.json ship, shrinking the output from hundreds of MB to ~2.9 MB. - ui-tui/scripts/build.mjs: new esbuild bundler. Aliases @hermes/ink to source (esbuild's __esm helper doesn't await nested async init, which breaks lazy-assigned exports like 'render' when re-exporting through a prebuilt submodule). Stubs react-devtools-core (dev-only). Injects a createRequire shim for transitive CJS deps. Strips the shebang from src/entry.tsx because Nix patchShebangs mangles '/usr/bin/env -S node --max-old-space-size=8192 --expose-gc' — it drops the 'node' token. The Python launcher always invokes node explicitly, so the shebang is redundant. - nix/tui.nix: installPhase no longer copies node_modules or the @hermes/ink packages dir. - nix/checks.nix: drop the 'node_modules present' assertion. - hermes_cli/main.py: _tui_need_npm_install short-circuits when dist/entry.js exists and no package-lock.json is present. That is the prebuilt-bundle layout (nix / packaged release) and there is nothing to install. Without this, the launcher tried to npm install in a non-existent site-packages/ui-tui path.
62 lines
2.2 KiB
JavaScript
62 lines
2.2 KiB
JavaScript
#!/usr/bin/env node
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// Bundles src/entry.tsx into a single self-contained dist/entry.js.
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// No runtime node_modules needed.
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import { build } from 'esbuild'
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import { readFileSync, writeFileSync } from 'node:fs'
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import { fileURLToPath } from 'node:url'
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import { dirname, resolve } from 'node:path'
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const here = dirname(fileURLToPath(import.meta.url))
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const root = resolve(here, '..')
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const out = resolve(root, 'dist/entry.js')
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// `react-devtools-core` is only imported when DEV=true at runtime (Ink dev
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// mode). Stub it out so the bundle doesn't carry the dep.
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const stubDevtools = {
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name: 'stub-react-devtools-core',
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setup(b) {
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b.onResolve({ filter: /^react-devtools-core$/ }, args => ({
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path: args.path,
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namespace: 'stub-devtools'
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}))
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b.onLoad({ filter: /.*/, namespace: 'stub-devtools' }, () => ({
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contents: 'export default { initialize() {}, connectToDevTools() {} }',
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loader: 'js'
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}))
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}
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}
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await build({
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entryPoints: [resolve(root, 'src/entry.tsx')],
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bundle: true,
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platform: 'node',
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format: 'esm',
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target: 'node20',
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outfile: out,
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jsx: 'automatic',
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jsxImportSource: 'react',
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// Skip the prebuilt @hermes/ink bundle — esbuild's __esm helper doesn't
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// await nested async init, which breaks lazy-initialized exports like
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// `render`. Bundling from source sidesteps that.
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alias: { '@hermes/ink': resolve(root, 'packages/hermes-ink/src/entry-exports.ts') },
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plugins: [stubDevtools],
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// Some transitive deps use CommonJS `require(...)` at runtime. ESM bundles
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// don't get a `require` binding automatically, so we inject one.
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banner: {
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js: "import { createRequire as __cr } from 'node:module'; const require = __cr(import.meta.url);"
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},
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logLevel: 'info'
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})
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// esbuild preserves the shebang from src/entry.tsx into the bundle, but Nix's
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// patchShebangs phase mangles `/usr/bin/env -S node --foo --bar` (it strips
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// the `node` token, leaving a broken interpreter). The hermes_cli launcher
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// always invokes this file as `node dist/entry.js` anyway, so the shebang is
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// redundant — strip it.
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const body = readFileSync(out, 'utf8')
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if (body.startsWith('#!')) {
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writeFileSync(out, body.slice(body.indexOf('\n') + 1))
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}
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console.log(`built ${out}`)
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