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#!/usr/bin/env node

import { spawn, spawnSync } from "node:child_process";

import fs from "node:fs";

import { createRequire } from "node:module";

import path from "node:path";

import { fileURLToPath } from "node:url";

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

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

const uiDir = path.join(repoRoot, "ui");

function usage() {

// keep this tiny; it's invoked from npm scripts too

process.stderr.write("Usage: node scripts/ui.js <install|dev|build|test> [...args]\n");

}

function which(cmd) {

try {

const key = process.platform === "win32" ? "Path" : "PATH";

const paths = (process.env[key] ?? process.env.PATH ?? "")

.split(path.delimiter)

.filter(Boolean);

const extensions =

process.platform === "win32"

? (process.env.PATHEXT ?? ".EXE;.CMD;.BAT;.COM").split(";").filter(Boolean)

: [""];

for (const entry of paths) {

for (const ext of extensions) {

const candidate = path.join(entry, process.platform === "win32" ? `${cmd}${ext}` : cmd);

try {

if (fs.existsSync(candidate)) {

return candidate;

}

} catch {

// ignore

}

}

}

} catch {

// ignore

}

return null;

}

function resolveRunner() {

const pnpm = which("pnpm");

if (pnpm) {

return { cmd: pnpm, kind: "pnpm" };

}

return null;

}

function run(cmd, args) {

const child = spawn(cmd, args, {

cwd: uiDir,

stdio: "inherit",

env: process.env,

shell: process.platform === "win32",

});

child.on("exit", (code, signal) => {

if (signal) {

process.exit(1);

}

process.exit(code ?? 1);

});

}

function runSync(cmd, args, envOverride) {

const result = spawnSync(cmd, args, {

cwd: uiDir,

stdio: "inherit",

env: envOverride ?? process.env,

shell: process.platform === "win32",

});

if (result.signal) {

process.exit(1);

}

if ((result.status ?? 1) !== 0) {

process.exit(result.status ?? 1);

}

}

function depsInstalled(kind) {

try {

const require = createRequire(path.join(uiDir, "package.json"));

require.resolve("vite");

require.resolve("dompurify");

if (kind === "test") {

require.resolve("vitest");

require.resolve("@vitest/browser-playwright");

require.resolve("playwright");

}

return true;

} catch {

return false;

}

}

const [, , action, ...rest] = process.argv;

if (!action) {

usage();

process.exit(2);

}

const runner = resolveRunner();

if (!runner) {

process.stderr.write("Missing UI runner: install pnpm, then retry.\n");

process.exit(1);

}

const script =

action === "install"

? null

: action === "dev"

? "dev"

: action === "build"

? "build"

: action === "test"

? "test"

: null;

if (action !== "install" && !script) {

usage();

process.exit(2);

}

if (action === "install") {

run(runner.cmd, ["install", ...rest]);

} else {

if (!depsInstalled(action === "test" ? "test" : "build")) {

const installEnv =

action === "build" ? { ...process.env, NODE_ENV: "production" } : process.env;

const installArgs = action === "build" ? ["install", "--prod"] : ["install"];

runSync(runner.cmd, installArgs, installEnv);

}

run(runner.cmd, ["run", script, ...rest]);

}