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import path from 'path';
import readline from 'node:readline';
import { execSync } from 'child_process';
import { red, yellow, gray } from './colors.js';
/**
* Helper to parse input names into PascalCase and kebab-case.
* Supports camelCase, kebab-case, snake_case, and PascalCase.
* @param {string} inputName - The input name from CLI.
* @returns {{capitalizedName: string, folderFileName: string}}
*/
export function parseName(inputName) {
let processedName = inputName;
if (inputName === inputName.toUpperCase() && inputName !== inputName.toLowerCase()) {
processedName = inputName.toLowerCase();
}
const parts = processedName.split(/(?<=[a-z0-9])(?=[A-Z])|[-_]/).filter(Boolean);
const capitalizedName = parts.map((part) => part.charAt(0).toUpperCase() + part.slice(1)).join('');
const folderFileName = parts.map((part) => part.toLowerCase()).join('-');
return { capitalizedName, folderFileName };
}
/**
* Checks if git status is clean or prompts user if there are unstaged changes.
*
* Scoped to the project directory rather than to whatever the shell's working
* directory happens to be: the guard exists to protect the files the command
* is about to write, and those live under the project root. Reading
* `process.cwd()` instead meant a command run from a subdirectory reported the
* status of an unrelated enclosing repository.
*
* Git's own stderr is discarded. Outside a repository git writes
* `fatal: not a git repository` to stderr, which `execSync` forwards to the
* parent by default -- so every `avenx init` in a plain directory printed a
* fatal-looking line above its own output while in fact succeeding.
* @param {string} [cwd] - The project root to inspect. Defaults to the process's directory.
* @returns {boolean|Promise<boolean>} True to proceed, false when the user declined.
*/
export function checkGitStatus(cwd = process.cwd()) {
try {
const output = execSync('git status --porcelain', {
cwd,
encoding: 'utf8',
stdio: ['ignore', 'pipe', 'ignore'],
});
if (!output.trim()) {
return true;
}
console.warn(yellow('⚠️ You have unstaged changes in your repository.'));
if (!process.stdin.isTTY || !process.stdout.isTTY) {
return true;
}
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
return new Promise((resolve) => {
rl.question('Do you want to proceed? (y/N) ', (answer) => {
rl.close();
if (answer.trim().toLowerCase() === 'y') {
resolve(true);
} else {
console.log(gray('Operation cancelled.'));
resolve(false);
}
});
});
} catch {
return true;
}
}
/**
* Prompts the user with a question on the command line.
* @param {string} query - The question query.
* @param {string} [defaultValue] - The default response.
* @param {function(string): (boolean|string)} [validator] - Optional function validating input.
* @returns {Promise<string>}
*/
export function promptQuestion(query, defaultValue, validator = null) {
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
return new Promise((resolve) => {
const ask = () => {
rl.question(query, (answer) => {
let trimmed = answer.trim();
if (trimmed === '' && defaultValue !== undefined) {
trimmed = defaultValue;
}
if (validator) {
const valid = validator(trimmed);
if (valid === true) {
rl.close();
resolve(trimmed);
} else {
console.log(red(`❌ ${valid}`));
ask();
}
} else {
rl.close();
resolve(trimmed);
}
});
};
ask();
});
}
/**
* Reads a template, checking custom template overrides in templatesDir and templates/ folder first.
* @param {string} baseDir
* @param {object} config
* @param {string} frameworkDir
* @param {string} subfolder
* @param {string} filename
* @param {string|null} [templateName]
* @returns {string}
*/
export function readTemplate(baseDir, config, frameworkDir, subfolder, filename, templateName = null) {
const dirs = [config?.templatesDir || '.avenxtemplates', 'templates'].filter(
(dir, idx, self) => dir && self.indexOf(dir) === idx
);
if (templateName) {
const ext = path.extname(filename);
const basename = filename.replace(/\.template$/, '');
for (const dir of dirs) {
const candidatePaths = [
path.join(baseDir, dir, subfolder, templateName, filename),
path.join(baseDir, dir, subfolder, `${templateName}.${filename}`),
path.join(baseDir, dir, subfolder, `${basename}.${templateName}.template`),
path.join(baseDir, dir, templateName, filename),
path.join(baseDir, dir, `${templateName}.${filename}`),
path.join(baseDir, dir, `${templateName}.${subfolder}${ext}.template`),
path.join(baseDir, dir, `${templateName}${ext}.template`),
];
for (const candidatePath of candidatePaths) {
if (fs.existsSync(candidatePath)) {
return fs.readFileSync(candidatePath, 'utf-8');
}
}
}
}
for (const dir of dirs) {
const localStructuredPath = path.join(baseDir, dir, subfolder, filename);
if (fs.existsSync(localStructuredPath)) {
return fs.readFileSync(localStructuredPath, 'utf-8');
}
const localFlatPath = path.join(baseDir, dir, filename);
if (fs.existsSync(localFlatPath)) {
return fs.readFileSync(localFlatPath, 'utf-8');
}
}
const globalPath = path.join(frameworkDir, 'templates', subfolder, filename);
return fs.readFileSync(globalPath, 'utf-8');
}
/**
* Reports a CLI error and marks the process as failed.
* @param {string} message
*/
export function fail(message) {
console.error(red(`❌ Error: ${message}`));
process.exitCode = 1;
}
/**
* Stops generation if any target path already exists.
* @param {string} baseDir
* @param {string} type
* @param {string} name
* @param {string[]} targetPaths
* @returns {boolean}
*/
export function abortIfGeneratedPathExists(baseDir, type, name, targetPaths) {
const existingPath = targetPaths.find((targetPath) => fs.existsSync(targetPath));
if (!existingPath) {
return false;
}
fail(
`${type} '${name}' already exists at ${path.relative(baseDir, existingPath)}. ` +
'Remove the existing file or choose a different name.',
);
return true;
}
/**
* Cross-platform directory watcher with recursive support fallback.
* Node 18 on Linux does not support fs.watch(dir, { recursive: true }).
* @param {string} dirPath - Directory to watch.
* @param {Function} callback - Event callback (eventType, filename).
* @returns {{close: Function}|object} FSWatcher or compatible watcher object with close() method.
*/
export function watchDirectory(dirPath, callback) {
try {
return fs.watch(dirPath, { recursive: true }, callback);
} catch (err) {
if (err && err.code === 'ERR_FEATURE_UNAVAILABLE_ON_PLATFORM') {
return createRecursiveWatcherFallback(dirPath, callback);
}
throw err;
}
}
/**
* Fallback recursive watcher for platforms/Node versions lacking native recursive watch.
* Walks directory tree and registers individual fs.watch instances.
* @param {string} rootPath - Root directory to watch.
* @param {Function} callback - Event callback.
* @returns {{close: Function}}
*/
function createRecursiveWatcherFallback(rootPath, callback) {
const watchers = new Map();
function scanAndWatch(currentDir) {
if (!fs.existsSync(currentDir)) return;
if (!watchers.has(currentDir)) {
try {
const watcher = fs.watch(currentDir, (eventType, filename) => {
const relativeDir = path.relative(rootPath, currentDir);
const relativeFile = filename
? (relativeDir ? path.join(relativeDir, filename) : filename).replace(/\\/g, '/')
: (relativeDir ? relativeDir.replace(/\\/g, '/') : '');
const fullPath = filename ? path.join(currentDir, filename) : currentDir;
try {
if (fs.existsSync(fullPath) && fs.statSync(fullPath).isDirectory()) {
scanAndWatch(fullPath);
}
} catch {
// Ignore stat errors on deleted / inaccessible entries
}
callback(eventType, relativeFile);
});
watchers.set(currentDir, watcher);
} catch {
// Ignore watch errors on transient dirs or permission errors
}
}
try {
const entries = fs.readdirSync(currentDir, { withFileTypes: true });
for (const entry of entries) {
if (entry.isDirectory()) {
scanAndWatch(path.join(currentDir, entry.name));
}
}
} catch {
// Ignore read errors on inaccessible dirs
}
}
scanAndWatch(rootPath);
return {
close() {
for (const watcher of watchers.values()) {
try {
watcher.close();
} catch {
// Ignore close errors
}
}
watchers.clear();
},
};
}
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