import { execFileSync } from "node:child_process";

import fs from "node:fs";

import path from "node:path";

import { fileURLToPath } from "node:url";

import { defineConfig } from "vite";

import { defineConfig, type Plugin } from "vite";

const here = path.dirname(fileURLToPath(import.meta.url));

const repoRoot = path.resolve(here, "..");

const outDir = path.resolve(here, "../dist/control-ui");

function normalizeBase(input: string): string {

const trimmed = input.trim();

return `${trimmed}/`;

}

function normalizeBuildId(input: string): string {

const normalized = input.trim().replace(/[^a-zA-Z0-9._-]+/g, "-");

return normalized.slice(0, 96) || "dev";

}

function readPackageVersion(): string {

try {

const raw = fs.readFileSync(path.join(repoRoot, "package.json"), "utf8");

const parsed = JSON.parse(raw) as { version?: unknown };

return typeof parsed.version === "string" && parsed.version.trim()

? parsed.version.trim()

: "dev";

} catch {

return "dev";

}

}

function readGitShortSha(): string | null {

try {

const raw = execFileSync("git", ["-C", repoRoot, "rev-parse", "--short=12", "HEAD"], {

encoding: "utf8",

stdio: ["ignore", "pipe", "ignore"],

});

return raw.trim() || null;

} catch {

return null;

}

}

function resolveControlUiBuildId(): string {

const explicit =

process.env.OPENCLAW_CONTROL_UI_BUILD_ID?.trim() || process.env.OPENCLAW_VERSION?.trim();

if (explicit) {

return normalizeBuildId(explicit);

}

const version = readPackageVersion();

const gitSha = readGitShortSha();

return normalizeBuildId(gitSha ? `${version}-${gitSha}` : version);

}

function controlUiServiceWorkerBuildIdPlugin(buildId: string): Plugin {

return {

name: "control-ui-service-worker-build-id",

apply: "build",

closeBundle() {

const swPath = path.join(outDir, "sw.js");

const source = fs.readFileSync(swPath, "utf8");

const placeholder = '"__OPENCLAW_CONTROL_UI_BUILD_ID__"';

const updated = source.replace(placeholder, JSON.stringify(buildId));

if (updated === source) {

throw new Error(`Control UI service worker build id placeholder missing in ${swPath}`);

}

fs.writeFileSync(swPath, updated);

},

};

}

export default defineConfig(() => {

const envBase = process.env.OPENCLAW_CONTROL_UI_BASE_PATH?.trim();

const base = envBase ? normalizeBase(envBase) : "./";

const controlUiBuildId = resolveControlUiBuildId();

return {

base,

define: {

__OPENCLAW_CONTROL_UI_BUILD_ID__: JSON.stringify(controlUiBuildId),

},

publicDir: path.resolve(here, "public"),

optimizeDeps: {

include: ["lit/directives/repeat.js"],

},

build: {

outDir: path.resolve(here, "../dist/control-ui"),

outDir,

emptyOutDir: true,

sourcemap: true,

// Keep CI/onboard logs clean; current control UI chunking is intentionally above 500 kB.

strictPort: true,

},

plugins: [

controlUiServiceWorkerBuildIdPlugin(controlUiBuildId),

{

name: "control-ui-dev-stubs",

configureServer(server) {