import fs from 'node:fs';
import path from 'node:path';
import { detectJsPackageManager, hasDependency, installCommandFor, readPackageJson, runScriptCommandFor, } from './packageManager.js';
function detectBundler(root, pkg) {
    if (hasDependency(pkg, 'next') || fileExists(root, ['next.config.js', 'next.config.mjs', 'next.config.ts'])) {
        return 'next';
    }
    if (fileExists(root, ['vite.config.js', 'vite.config.ts', 'vite.config.mjs']))
        return 'vite';
    if (hasDependency(pkg, 'react-scripts'))
        return 'create-react-app';
    return 'unknown';
}
function detectNextRouter(root) {
    const appLayouts = [
        path.join(root, 'app', 'layout.tsx'),
        path.join(root, 'app', 'layout.jsx'),
        path.join(root, 'src', 'app', 'layout.tsx'),
        path.join(root, 'src', 'app', 'layout.jsx'),
    ];
    if (appLayouts.some((p) => fs.existsSync(p)))
        return 'app';
    const pagesIndexes = [
        path.join(root, 'pages', 'index.tsx'),
        path.join(root, 'pages', 'index.jsx'),
        path.join(root, 'pages', 'index.js'),
        path.join(root, 'src', 'pages', 'index.tsx'),
        path.join(root, 'src', 'pages', 'index.jsx'),
    ];
    if (pagesIndexes.some((p) => fs.existsSync(p)))
        return 'pages';
    return 'unknown';
}
function fileExists(root, names) {
    return names.some((name) => fs.existsSync(path.join(root, name)));
}
export class ReactAdapter {
    root;
    kind = 'react';
    label;
    packageManager;
    pkg;
    bundler;
    nextRouter;
    constructor(root) {
        this.root = root;
        this.pkg = readPackageJson(root);
        this.packageManager = detectJsPackageManager(root);
        this.bundler = detectBundler(root, this.pkg);
        this.nextRouter = this.bundler === 'next' ? detectNextRouter(root) : 'unknown';
        this.label = `React (${this.bundler})`;
    }
    installCommand() {
        const { command, args } = installCommandFor(this.packageManager);
        return { command, args, cwd: this.root };
    }
    devCommand() {
        const script = this.findScript(['dev', 'start']);
        if (!script) {
            throw new Error(`No "dev" or "start" script found in package.json at "${this.root}".`);
        }
        const { command, args } = runScriptCommandFor(this.packageManager, script);
        return { command, args, cwd: this.root };
    }
    buildCommand() {
        return this.scriptCommandOrNull(['build']);
    }
    testCommand(extraArgs = []) {
        return this.scriptCommandOrNull(['test'], extraArgs);
    }
    lintCommand(fix = false) {
        return this.scriptCommandOrNull(fix ? ['format', 'lint:fix'] : ['lint']);
    }
    readyPattern() {
        switch (this.bundler) {
            case 'vite':
                return /Local:\s+(https?:\/\/\S+)/i;
            case 'next':
                return /(?:Local|ready)[^:]*:\s*(https?:\/\/\S+)|started server on[^,]*,\s*url:\s*(https?:\/\/\S+)/i;
            case 'create-react-app':
                return /Local:\s+(https?:\/\/\S+)|Compiled successfully/i;
            default:
                return /(https?:\/\/(?:localhost|127\.0\.0\.1|0\.0\.0\.0)[:\d]*\S*)/i;
        }
    }
    describe() {
        const isNext = this.bundler === 'next';
        return {
            kind: this.kind,
            label: this.label,
            root: this.root,
            packageManager: this.packageManager,
            bundler: this.bundler,
            router: isNext ? this.nextRouter : null,
            rsc: isNext && this.nextRouter === 'app',
            reactVersion: this.pkg?.dependencies?.react ?? this.pkg?.devDependencies?.react ?? null,
            typescript: hasDependency(this.pkg, 'typescript') || fileExists(this.root, ['tsconfig.json']),
            scripts: this.pkg?.scripts ?? {},
        };
    }
    findScript(candidates) {
        return candidates.find((name) => this.pkg?.scripts?.[name]);
    }
    scriptCommandOrNull(candidates, extraArgs = []) {
        const script = this.findScript(candidates);
        if (!script)
            return null;
        const { command, args } = runScriptCommandFor(this.packageManager, script, extraArgs);
        return { command, args, cwd: this.root };
    }
}
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