Function baseConfig

packages/vite/configuration/base.ts:104–505

({ mode, flavor }: { mode: string; flavor?: string })

type PlatformType = 'android' | 'ios' | 'visionos';

export const baseConfig = ({ mode, flavor }: { mode: string; flavor?: string }): UserConfig => {
	const targetMode = mode === 'development' ? 'development' : 'production';

	const cliFlags = getCliFlags();
	const verbose = resolveVerboseFlag({ env: process.env, cliFlags });
	// console.log("cliFlags:", cliFlags);
	const isDevMode = targetMode === 'development';
	const debug = !!process.env.DEBUG || isDevMode;
	const hmrActive = isDevMode && !!cliFlags.hmr;
	let platform = cliFlags.platform as PlatformType;
	if (cliFlags.android) {
		platform = 'android';
	} else if (cliFlags.ios) {
		platform = 'ios';
	} else if (cliFlags.visionos) {
		platform = 'visionos';
	}
	if (verbose) {
		console.log('--------------');
		// console.log("Vite config mode:", mode);
		console.log('Platform:', platform);
		console.log('Mode:', targetMode);
		console.log('HMR active:', hmrActive);
		console.log('--------------');
	}

	flavor = flavor || (getProjectFlavor() as string);
	if (verbose) {
		console.log(`Building for ${flavor}.`);
	}

	// Filtered logger to suppress noisy warnings
	const filteredLogger = createFilteredViteLogger();

	// Create TypeScript aliases with platform support
	const tsConfig = getTsConfigData({ platform, verbose });

	// Common resolve configuration for both main and worker builds
	// Build platform-aware extension preference order and exclude the opposite platform
	const platformExtensions = (() => {
		const base = ['.tsx', '.jsx', '.ts', '.js'] as const;
		const exts: string[] = [];
		if (platform === 'android') {
			exts.push('.android.tsx', '.tsx', '.android.jsx', '.jsx', '.android.ts', '.ts', '.android.js', '.js');
		} else if (platform === 'ios' || platform === 'visionos') {
			// Treat visionOS like iOS for file resolution
			exts.push('.ios.tsx', '.tsx', '.ios.jsx', '.jsx', '.ios.ts', '.ts', '.ios.js', '.js');
		} else {
			// Fallback: no platform-specific preference
			exts.push(...base);
		}
		// Always allow these last
		exts.push('.mjs', '.json');
		return exts;
	})();

	// Dynamic aliases for nativescript-theme-core generic theme filenames
	// TODO: move to per-project basis based on usage