fix codex wrapper compatibility handling

Author: ndycode

scripts/codex-bin-resolver.js

@@ -0,0 +1,97 @@
+import { spawnSync } from "node:child_process";
+import { existsSync } from "node:fs";
+import { createRequire } from "node:module";
+import { dirname, join } from "node:path";
+import process from "node:process";
+import { fileURLToPath } from "node:url";
+
+function defaultResolvePackageBin(moduleUrl) {
+	try {
+		const require = createRequire(moduleUrl);
+		return require.resolve("@openai/codex/bin/codex.js");
+	} catch {
+		return null;
+	}
+}
+
+function resolveWindowsCmdPath(env) {
+	const comSpec = (env.ComSpec ?? env.COMSPEC ?? "").trim();
+	if (comSpec.length > 0) return comSpec;
+
+	const systemRoot = (env.SystemRoot ?? env.SYSTEMROOT ?? "").trim();
+	if (systemRoot.length > 0) {
+		return `${systemRoot.replace(/[\\/]+$/, "")}\\System32\\cmd.exe`;
+	}
+
+	return "cmd.exe";
+}
+
+export function resolveRealCodexBin(options = {}) {
+	const {
+		env = process.env,
+		argv = process.argv,
+		platform = process.platform,
+		moduleUrl = import.meta.url,
+		existsSyncImpl = existsSync,
+		spawnSyncImpl = spawnSync,
+		resolvePackageBin = defaultResolvePackageBin,
+	} = options;
+
+	const override = (env.CODEX_MULTI_AUTH_REAL_CODEX_BIN ?? "").trim();
+	if (override.length > 0) {
+		if (existsSyncImpl(override)) return override;
+		return null;
+	}
+
+	const resolved = resolvePackageBin(moduleUrl);
+	if (typeof resolved === "string" && resolved.length > 0 && existsSyncImpl(resolved)) {
+		return resolved;
+	}
+
+	const searchRoots = [];
+	const scriptDir = dirname(fileURLToPath(moduleUrl));
+	searchRoots.push(join(scriptDir, "..", ".."));
+
+	const invokedScript = argv[1];
+	if (typeof invokedScript === "string" && invokedScript.length > 0) {
+		searchRoots.push(join(dirname(invokedScript), "..", ".."));
+	}
+
+	const npmPrefix = (env.npm_config_prefix ?? env.PREFIX ?? "").trim();
+	if (npmPrefix.length > 0) {
+		searchRoots.push(join(npmPrefix, "node_modules"));
+		searchRoots.push(join(npmPrefix, "lib", "node_modules"));
+	}
+
+	for (const root of searchRoots) {
+		const candidate = join(root, "@openai", "codex", "bin", "codex.js");
+		if (existsSyncImpl(candidate)) return candidate;
+	}
+
+	try {
+		const rootResult =
+			platform === "win32"
+				? spawnSyncImpl(resolveWindowsCmdPath(env), ["/d", "/s", "/c", "npm root -g"], {
+						encoding: "utf8",
+						env,
+						stdio: ["ignore", "pipe", "ignore"],
+						windowsHide: true,
+					})
+				: spawnSyncImpl("npm", ["root", "-g"], {
+						encoding: "utf8",
+						env,
+						stdio: ["ignore", "pipe", "ignore"],
+					});
+		if (rootResult.status === 0) {
+			const globalRoot = rootResult.stdout.trim();
+			if (globalRoot.length > 0) {
+				const globalBin = join(globalRoot, "@openai", "codex", "bin", "codex.js");
+				if (existsSyncImpl(globalBin)) return globalBin;
+			}
+		}
+	} catch {
+		// Ignore and fall through to null.
+	}
+
+	return null;
+}