src/vs/platform/extensionManagement/common/extensionsScannerService.ts/ExtensionsScanner/scanOneOrMultipleExtensions
class ExtensionsScanner:	async scanOneOrMultipleExtensions(input: ExtensionScannerInput): Promise<IRelaxedScannedExtension[]> {
		try {
			if (await this.fileService.exists(joinPath(input.location, 'package.json'))) {
				const extension = await this.scanExtension(input);
				return extension ? [extension] : [];
			} else {
				return await this.scanExtensions(input);
			}
		} catch (error) {
			this.logService.error(`Error scanning extensions at ${input.location.path}:`, getErrorMessage(error));
			return [];
		}
	}