src/vs/workbench/services/extensionManagement/common/webExtensionsScannerService.ts/WebExtensionsScannerService/parseExtensions
class WebExtensionsScannerService:	private parseExtensions(content: string): IStoredWebExtension[] {
		const storedWebExtensions: (IStoredWebExtension & { uri?: UriComponents })[] = JSON.parse(content.toString());
		return storedWebExtensions.map(e => {
			const location = e.uri ? joinPath(URI.revive(e.uri), 'Microsoft.VisualStudio.Code.WebResources', 'extension') : e.location;
			return { ...e, location };
		});
	}