Function validateOptionsForMultiChunkOutput

src/Bundle.ts:276–314

(
	outputOptions: NormalizedOutputOptions,
	log: LogHandler
)

}

function validateOptionsForMultiChunkOutput(
	outputOptions: NormalizedOutputOptions,
	log: LogHandler
) {
	if (outputOptions.format === 'umd' || outputOptions.format === 'iife')
		return error(
			logInvalidOption(
				'output.format',
				URL_OUTPUT_FORMAT,
				'UMD and IIFE output formats are not supported for code-splitting builds',
				outputOptions.format
			)
		);
	if (typeof outputOptions.file === 'string')
		return error(
			logInvalidOption(
				'output.file',
				URL_OUTPUT_DIR,
				'when building multiple chunks, the "output.dir" option must be used, not "output.file". To inline dynamic imports, set the "inlineDynamicImports" option'
			)
		);
	if (outputOptions.sourcemapFile)
		return error(
			logInvalidOption(
				'output.sourcemapFile',
				URL_OUTPUT_SOURCEMAPFILE,
				'"output.sourcemapFile" is only supported for single-file builds'
			)
		);
	if (!outputOptions.amd.autoId && outputOptions.amd.id)
		log(
			LOGLEVEL_WARN,
			logInvalidOption(
				'output.amd.id',
				URL_OUTPUT_AMD_ID,
				'this option is only properly supported for single-file builds. Use "output.amd.autoId" and "output.amd.basePath" instead'
			)
		);
}

function getIncludedModules(modulesById: ReadonlyMap<string, Module | ExternalModule>): Module[] {
	const includedModules: Module[] = [];