Add method to control the sys info cache

Author: TsvetanMilanov

lib/doctor.ts

@@ -1,5 +1,4 @@
 import { Constants } from "./constants";
-import { SysInfo } from "./sys-info";
 import { EOL } from "os";
 import { HostInfo } from "./host-info";
 import { AndroidLocalBuildRequirements } from "./local-build-requirements/android-local-build-requirements";
@@ -14,7 +13,7 @@ export class Doctor implements NativeScriptDoctor.IDoctor {
 		private helpers: Helpers,
 		private hostInfo: HostInfo,
 		private iOSLocalBuildRequirements: IosLocalBuildRequirements,
-		private sysInfo: SysInfo) { }
+		private sysInfo: NativeScriptDoctor.ISysInfo) { }
 
 	public async canExecuteLocalBuild(platform: string): Promise<boolean> {
 		this.validatePlatform(platform);

lib/helpers.ts

@@ -1,6 +1,17 @@
 import { platform } from "os";
 
 export class Helpers {
+	public getPropertyName(method: Function): string {
+		if (method) {
+			let match = method.toString().match(/(?:return\s+?.*\.(.+);)|(?:=>\s*?.*\.(.+)\b)/);
+			if (match) {
+				return (match[1] || match[2]).trim();
+			}
+		}
+
+		return null;
+	}
+
 	public quoteString(value: string): string {
 		if (!value) {
 			return value;

lib/index.ts

@@ -14,14 +14,19 @@ const winReg = new WinReg();
 const hostInfo = new HostInfo(winReg);
 const fileSystem = new FileSystem();
 const helpers = new Helpers();
-const sysInfo = new SysInfo(childProcess, fileSystem, helpers, hostInfo, winReg);
+
+const sysInfo: NativeScriptDoctor.ISysInfo = new SysInfo(childProcess, fileSystem, helpers, hostInfo, winReg);
 
 const androidLocalBuildRequirements = new AndroidLocalBuildRequirements(sysInfo);
 const iOSLocalBuildRequirements = new IosLocalBuildRequirements(sysInfo, hostInfo);
-const doctor = new Doctor(androidLocalBuildRequirements, helpers, hostInfo, iOSLocalBuildRequirements, sysInfo);
+
+const doctor: NativeScriptDoctor.IDoctor = new Doctor(androidLocalBuildRequirements, helpers, hostInfo, iOSLocalBuildRequirements, sysInfo);
+
+const setShouldCacheSysInfo = sysInfo.setShouldCacheSysInfo.bind(sysInfo);
 
 export {
 	sysInfo,
 	doctor,
-	constants
+	constants,
+	setShouldCacheSysInfo
 };

lib/local-build-requirements/android-local-build-requirements.ts

@@ -1,7 +1,5 @@
-import { SysInfo } from "../sys-info";
-
 export class AndroidLocalBuildRequirements {
-	constructor(private sysInfo: SysInfo) { }
+	constructor(private sysInfo: NativeScriptDoctor.ISysInfo) { }
 
 	public async checkRequirements(): Promise<boolean> {
 		if (!await this.sysInfo.isAndroidInstalled() ||

lib/local-build-requirements/ios-local-build-requirements.ts

@@ -1,8 +1,7 @@
-import { SysInfo } from "../sys-info";
 import { HostInfo } from "../host-info";
 
 export class IosLocalBuildRequirements {
-	constructor(private sysInfo: SysInfo,
+	constructor(private sysInfo: NativeScriptDoctor.ISysInfo,
 		private hostInfo: HostInfo) { }
 
 	public async checkRequirements(): Promise<boolean> {