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const path = require('path');
const StyleProcessor = require('./compiler/StyleProcessor');
const ComponentParser = require('./compiler/ComponentParser');
const AvenxCompilerErrors = {
AVX_C01: 'Could not create dist directory at "{0}".',
AVX_C02: '"src" directory not found at "{0}". Run "avenx init" to scaffold a project.'
};
function formatCompilerError(code, ...args) {
let message = AvenxCompilerErrors[code] || 'An unknown compiler error occurred.';
args.forEach((arg, idx) => {
message = message.replace(`{${idx}}`, String(arg));
});
return `[${code}] ${message}`;
}
/**
* AvenxCompiler is the main orchestrator for the Avenx-JS build process.
* It coordinates the parsing of components, processing of styles, and the
* final bundling of the application.
*/
class AvenxCompiler {
/**
* Creates an instance of AvenxCompiler and initializes its sub-processors.
* Uses the current working directory as the project root.
*/
constructor() {
/**
* The root directory of the project.
* @type {string}
*/
this.rootDir = process.cwd();
/**
* The source directory (usually 'src').
* @type {string}
*/
this.srcDir = path.join(this.rootDir, 'src');
/**
* The distribution directory (usually 'dist').
* @type {string}
*/
this.distDir = path.join(this.rootDir, 'dist');
/**
* The directory containing core runtime files.
* @type {string}
*/
this.coreDir = path.join(__dirname, 'core');
/**
* @type {StyleProcessor}
*/
this.styleProcessor = new StyleProcessor();
/**
* @type {ComponentParser}
*/
this.componentParser = new ComponentParser(this.styleProcessor);
this.init();
}
/**
* Initializes the compiler environment, ensuring required directories exist.
* @private
*/
init() {
if (!fs.existsSync(this.distDir)) {
try {
fs.mkdirSync(this.distDir, { recursive: true });
} catch (e) {
console.error(`❌ ${formatCompilerError('AVX_C01', this.distDir)}`);
}
}
}
/**
* Executes the full build process.
* Includes resetting style processor, generating runtime, processing bridges, components, and main app.
*/
build() {
console.log("--- Avenx-JS Compiler ---");
if (!fs.existsSync(this.srcDir)) {
console.error(`❌ ${formatCompilerError('AVX_C02', this.srcDir)}`);
return;
}
// Reset style processor to avoid accumulating styles across multiple builds (watch mode)
this.styleProcessor.reset();
let bundleJs = this.getRuntime();
const bridgeData = this.processBridges();
bundleJs += this.processGuards();
bundleJs += this.processComponents();
const pageData = this.processPages();
bundleJs += pageData.pagesJs;
bundleJs += this.processMain((bridgeData.registrations || '') + '\n' + (pageData.registrations || ''));
fs.writeFileSync(path.join(this.distDir, 'bundle.js'), bundleJs);
fs.writeFileSync(path.join(this.distDir, 'bundle.css'), this.styleProcessor.getGlobalStyles());
console.log("-----------------------");
console.log(`Build erfolgreich: dist/bundle.js & dist/bundle.css`);
}
/**
* Reads the core runtime files and prepares them for the bundle.
* Strips imports and exports for a single-file bundle.
* @returns {string} The concatenated runtime source code.
* @private
*/
getRuntime() {
const runtimeFiles = [
'runtime/AvenxError.js',
'security/evaluator.js',
'security/escapeHtml.js',
'reactive/proxyHandler.js',
'reactive/createState.js',
'reactive/createComputed.js',
'renderer/renderTemplate.js',
'renderer/domPatch.js',
'renderer/listManager.js',
'events/eventExecutor.js',
'events/bindEvents.js',
'runtime/lifecycle.js',
'runtime/AvenxBridge.js',
'runtime/AvenxComponent.js',
'runtime/AvenxPage.js',
'runtime/AvenxGuard.js',
'runtime/AvenxRouter.js',
'runtime/AvenxApp.js'
];
return runtimeFiles
.map(file => fs.readFileSync(path.join(this.coreDir, file), 'utf-8'))
.map(source => source
.replace(/^import\s+.*?;\s*$/gm, '')
.replace(/export\s+/g, '')
)
.join("\n");
}
/**
* Processes bridge registrations from the global directory.
* @returns {{registrations: string}} The registration code for bridges.
* @private
*/
processBridges() {
const globalDir = path.join(this.srcDir, 'global');
let registrations = "";
if (fs.existsSync(globalDir)) {
fs.readdirSync(globalDir).forEach(file => {
if (file.endsWith('.bridge.js')) {
const name = path.basename(file, '.bridge.js');
const capitalizedName = name.split(/[-_]/).map(part => part.charAt(0).toUpperCase() + part.slice(1)).join("") + "Bridge";
console.log(`[Bridge] ${capitalizedName}`);
const content = fs.readFileSync(path.join(globalDir, file), 'utf-8');
const match = content.match(/export\s+default\s+([\s\S]*)/);
if (match) {
const objStr = match[1].trim().replace(/;$/, '');
registrations += `app.registerBridge('${capitalizedName}', ${objStr});\n`;
}
}
});
}
return { registrations };
}
/**
* Processes guard classes from the global and guards directories.
* @returns {string} The concatenated guard source code.
* @private
*/
processGuards() {
const globalDir = path.join(this.srcDir, 'global');
const guardsDir = path.join(this.srcDir, 'guards');
let guardsJs = "";
const processFile = (dir, file) => {
const name = path.basename(file, '.guard.js');
const capitalizedName = name.split(/[-_]/).map(part => part.charAt(0).toUpperCase() + part.slice(1)).join("") + "Guard";
console.log(`[Guard] ${capitalizedName}`);
const content = fs.readFileSync(path.join(dir, file), 'utf-8');
const cleaned = content
.replace(/^import\s+.*?;\s*$/gm, '')
.replace(/import\s+.*?\s+from\s+['"].*?['"];?/gm, '')
.replace(/export\s+default\s+/g, '')
.replace(/export\s+/g, '');
guardsJs += `\n${cleaned}\n`;
};
if (fs.existsSync(globalDir)) {
fs.readdirSync(globalDir).forEach(file => {
if (file.endsWith('.guard.js')) {
processFile(globalDir, file);
}
});
}
if (fs.existsSync(guardsDir)) {
fs.readdirSync(guardsDir).forEach(file => {
if (file.endsWith('.guard.js')) {
processFile(guardsDir, file);
}
});
}
return guardsJs;
}
/**
* Processes all components in the src/components folder recursively.
* @returns {string} The concatenated source code of all compiled components.
* @private
*/
processComponents() {
let componentsJs = "";
const compDir = path.join(this.srcDir, 'components');
const scan = (dir) => {
if (!fs.existsSync(dir)) return;
fs.readdirSync(dir).forEach(file => {
const fullPath = path.join(dir, file);
if (fs.statSync(fullPath).isDirectory()) {
scan(fullPath);
} else if (file.endsWith('.component.js')) {
console.log(`[Compiling] ${file}`);
componentsJs += this.componentParser.parse(fullPath);
}
});
};
scan(compDir);
return componentsJs;
}
/**
* Processes all pages in the src/pages folder recursively.
* @returns {{pagesJs: string, registrations: string}} The compiled pages code and their registrations.
* @private
*/
processPages() {
let pagesJs = "";
let registrations = "";
const pageDir = path.join(this.srcDir, 'pages');
const scan = (dir) => {
if (!fs.existsSync(dir)) return;
fs.readdirSync(dir).forEach(file => {
const fullPath = path.join(dir, file);
if (fs.statSync(fullPath).isDirectory()) {
scan(fullPath);
} else if (file.endsWith('.page.js')) {
console.log(`[Compiling Page] ${file}`);
const name = path.basename(file, '.page.js').split(/[-_]/).map(part => part.charAt(0).toUpperCase() + part.slice(1)).join("");
pagesJs += this.componentParser.parse(fullPath, 'page');
registrations += `app.registerPage('${name}', ${name});\n`;
}
});
};
scan(pageDir);
return { pagesJs, registrations };
}
/**
* Processes the main application entry point.
* @param {string} registrations - The bridge and page registration code to inject.
* @returns {string} The wrapped main application code.
* @private
*/
processMain(registrations) {
const mainFile = path.join(this.srcDir, 'main.app.js');
if (fs.existsSync(mainFile)) {
let main = fs.readFileSync(mainFile, 'utf-8')
.replace(/import\s*{\s*AvenxApp\s*}\s*from\s*['"].*?['"];?/g, '')
.replace(/import\s+.*?\s+from\s+['"].*?['"];?/gm, '');
if (registrations) {
main = main.replace(/(const\s+app\s+=\s+new\s+AvenxApp\([\s\S]*?\);)/, `$1\n${registrations}`);
}
return `\n(function(){\n${main}\n})();`;
}
return "";
}
}
module.exports = AvenxCompiler;
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