Refactor to improve later; fix comments in single line

test/tscli/api.ts

@@ -0,0 +1,107 @@
+//#region Base
+
+
+var apibase="";
+
+export function SetAPIBase(s:string){
+	apibase=s;
+}
+
+export function GetAPIBase(): string{
+	return apibase;
+}
+
+let REGEX_DATE = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)(Z|([+\-])(\d{2}):(\d{2}))$/
+
+type HTMLMethod = "GET" | "POST" | "PUT" | "DELETE" | "HEAD" | "TRACE"
+
+async function Invoke(path: string, method: HTMLMethod, body?: any): Promise<Response> {
+	let jbody = undefined
+	let init = {method: method, mode: "cors", credentials: "include", withCredentials: true}
+	if (!!body) {
+		let jbody = JSON.stringify(body)
+		//@ts-ignore
+		init.body = jbody
+	}
+	if (apibase.endsWith("/") && path.startsWith("/")) {
+		path = path.substr(1, path.length)
+	}
+	let fpath = (apibase + path)
+	//@ts-ignore
+	let res = await fetch(fpath, init)
+
+	return res
+}
+ 
+async function InvokeJSON(path: string, method: HTMLMethod, body?: any): Promise<any> {
+
+	let txt = await InvokeTxt(path, method, body)
+	if (txt == "") {
+		txt = "{}"
+	}
+	let ret = JSON.parse(txt, (k: string, v: string) => {
+		if (REGEX_DATE.exec(v)) {
+			return new Date(v)
+		}
+		return v
+	})
+
+	return ret
+}
+
+async function InvokeTxt(path: string, method: HTMLMethod, body?: any): Promise<string> {
+	//@ts-ignore
+	let res = await Invoke(path, method, body)
+
+	let txt = await res.text()
+
+	if (res.status < 200 || res.status >= 400) {
+		// webix.alert("API Error:" + res.status + "\n" + txt)
+		console.error("API Error:" + res.status + "\n" + txt)
+		let e = new Error(txt)
+		throw e
+	}
+
+	return txt
+}
+
+async function InvokeOk(path: string, method: HTMLMethod, body?: any): Promise<boolean> {
+
+	//@ts-ignore
+	let res = await Invoke(path, method, body)
+
+	let txt = await res.text()
+	if (res.status >= 400) {
+		console.error("API Error:" + res.status + "\n" + txt)
+		return false
+	}
+	return true
+}
+
+//#endregion
+
+//#region Types
+export interface ARequestStruct {
+	c:Date
+	d:string
+	a:string
+	b:number
+}
+
+export interface AResponseStruct {
+	a:string
+	b:number
+	c:Date
+	d:string
+}
+
+//#endregion
+
+//#region Methods
+/**
+SomeAPI*/
+export async function SomeAPI(req:ARequestStruct):Promise<AResponseStruct>{
+	return InvokeJSON("","POST",req)
+}
+
+//#endregion