private static validateConfigurationOptions()

in src/core/configuration.ts [216:294]
59 lines of code
23 McCabe index (conditional complexity)

		private static validateConfigurationOptions(options: IConfigurationOptions): IValidatedConfigurationOptions {

			function defaultOnError(err: AnnotatedError): void {
				if (err.phase === 'loading') {
					console.error('Loading "' + err.moduleId + '" failed');
					console.error(err);
					console.error('Here are the modules that depend on it:');
					console.error(err.neededBy);
					return;
				}

				if (err.phase === 'factory') {
					console.error('The factory function of "' + err.moduleId + '" has thrown an exception');
					console.error(err);
					console.error('Here are the modules that depend on it:');
					console.error(err.neededBy);
					return;
				}
			}

			options = options || {};
			if (typeof options.baseUrl !== 'string') {
				options.baseUrl = '';
			}
			if (typeof options.isBuild !== 'boolean') {
				options.isBuild = false;
			}
			if (typeof options.paths !== 'object') {
				options.paths = {};
			}
			if (typeof options.config !== 'object') {
				options.config = {};
			}
			if (typeof options.catchError === 'undefined') {
				options.catchError = false;
			}
			if (typeof options.recordStats === 'undefined') {
				options.recordStats = false;
			}
			if (typeof options.urlArgs !== 'string') {
				options.urlArgs = '';
			}
			if (typeof options.onError !== 'function') {
				options.onError = defaultOnError;
			}
			if (!Array.isArray(options.ignoreDuplicateModules)) {
				options.ignoreDuplicateModules = [];
			}
			if (options.baseUrl.length > 0) {
				if (!Utilities.endsWith(options.baseUrl, '/')) {
					options.baseUrl += '/';
				}
			}
			if (typeof options.cspNonce !== 'string') {
				options.cspNonce = '';
			}
			if (typeof options.preferScriptTags === 'undefined') {
				options.preferScriptTags = false;
			}
			if (!Array.isArray(options.nodeModules)) {
				options.nodeModules = [];
			}
			if (options.nodeCachedData && typeof options.nodeCachedData === 'object') {
				if (typeof options.nodeCachedData.seed !== 'string') {
					options.nodeCachedData.seed = 'seed';
				}
				if (typeof options.nodeCachedData.writeDelay !== 'number' || options.nodeCachedData.writeDelay < 0) {
					options.nodeCachedData.writeDelay = 1000 * 7;
				}
				if (!options.nodeCachedData.path || typeof options.nodeCachedData.path !== 'string') {
					const err = ensureError<AnnotatedValidationError>(new Error('INVALID cached data configuration, \'path\' MUST be set'));
					err.phase = 'configuration';
					options.onError(err);
					options.nodeCachedData = undefined;
				}
			}

			return <IValidatedConfigurationOptions>options;
		}