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llmx/codex-cli/build.mjs

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import * as esbuild from "esbuild";
import * as fs from "fs";
import * as path from "path";
/**
* ink attempts to import react-devtools-core in an ESM-unfriendly way:
*
* https://github.com/vadimdemedes/ink/blob/eab6ef07d4030606530d58d3d7be8079b4fb93bb/src/reconciler.ts#L22-L45
*
* to make this work, we have to strip the import out of the build.
*/
const ignoreReactDevToolsPlugin = {
name: "ignore-react-devtools",
setup(build) {
// When an import for 'react-devtools-core' is encountered,
// return an empty module.
build.onResolve({ filter: /^react-devtools-core$/ }, (args) => {
return { path: args.path, namespace: "ignore-devtools" };
});
build.onLoad({ filter: /.*/, namespace: "ignore-devtools" }, () => {
return { contents: "", loader: "js" };
});
},
};
// ----------------------------------------------------------------------------
// Build mode detection (production vs development)
//
// • production (default): minified, external telemetry shebang handling.
// • development (--dev|NODE_ENV=development|CODEX_DEV=1):
// no minification
// inline source maps for better stacktraces
// shebang tweaked to enable Node's sourcemap support at runtime
// ----------------------------------------------------------------------------
const isDevBuild =
process.argv.includes("--dev") ||
process.env.CODEX_DEV === "1" ||
process.env.NODE_ENV === "development";
const plugins = [ignoreReactDevToolsPlugin];
// Add a shebang that enables sourcemap support for dev builds so that stack
// traces point to the original TypeScript lines without requiring callers to
// remember to set NODE_OPTIONS manually.
if (isDevBuild) {
const devShebangLine =
"#!/usr/bin/env -S NODE_OPTIONS=--enable-source-maps node\n";
const devShebangPlugin = {
name: "dev-shebang",
setup(build) {
build.onEnd(async () => {
const outFile = path.resolve(isDevBuild ? "dist/cli-dev.js" : "dist/cli.js");
let code = await fs.promises.readFile(outFile, "utf8");
if (code.startsWith("#!")) {
code = code.replace(/^#!.*\n/, devShebangLine);
await fs.promises.writeFile(outFile, code, "utf8");
}
});
},
};
plugins.push(devShebangPlugin);
}
esbuild
.build({
entryPoints: ["src/cli.tsx"],
bundle: true,
format: "esm",
platform: "node",
tsconfig: "tsconfig.json",
outfile: isDevBuild ? "dist/cli-dev.js" : "dist/cli.js",
minify: !isDevBuild,
sourcemap: isDevBuild ? "inline" : true,
plugins,
inject: ["./require-shim.js"],
})
.catch(() => process.exit(1));