feat: Add Node.js script for WSPR data fetching

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

js/Base.js

@@ -6,9 +6,7 @@ See the /faq/tos page for details.
 (If this generated header is stamped on a file which is a 3rd party file or under a different license or copyright, then ignore this copyright statement and use that file's terms.)
 */
 
-import * as utl from '/js/Utl.js';
-
-import { Timeline } from '/js/Timeline.js';
+import * as utl from './Utl.js';
 
 
 // fold this functionality back into the original Event.js later
@@ -53,7 +51,7 @@ extends Event
         this.AddHandler(this);
 
         // timeline
-        this.t = t ?? new Timeline();
+        this.t = null;
 
 
         //
@@ -121,137 +119,3 @@ extends Event
 
 
 
-// A class that does the work of helping components interact with the URL
-// and the variables captured within the URL.
-//
-// Also manages browser history and gives the typical user experience of
-// how history works, without page reloads.
-class UrlStateProxy
-extends Base
-{
-    constructor()
-    {
-        super();
-
-        this.urlPrior = "";
-
-        window.addEventListener("popstate", (event) => {
-            this.DoUrlSet();
-        });
-    }
-
-    OnPageLoad()
-    {
-        this.DoUrlSet();
-        this.DoUrlGet();
-    }
-
-    DoUrlSet()
-    {
-        // capture current url and its search params, and parse
-        const url    = new URL(window.location);
-        const params = new URLSearchParams(url.search);
-        
-        // console.log(`window.location: ${window.location}`)
-        // console.log(`urlIn.origin: ${url.origin}`)
-        // console.log(`urlIn.pathname: ${url.pathname}`)
-        // console.log(`urlIn.search: ${url.search}`)
-        // console.log(`paramsIn : ${params.toString()}`);
-
-        // synchronously send to interested listeners
-        this.Emit({
-            type: "ON_URL_SET",
-
-            Get: (param, defaultValue) => {
-                return utl.GetSearchParam(param, defaultValue);
-            },
-        });
-    }
-
-    DoUrlGet()
-    {
-        // synchronously send to interested listeners
-        let paramsOut = new URLSearchParams(``);
-        let evt = {
-            type: "ON_URL_GET",
-
-            Set: (param, value) => {
-                paramsOut.set(param, value);
-            },
-
-            allowBlank: false,
-        };
-        this.Emit(evt);
-
-        const urlIn = new URL(window.location);
-        let paramsIn = new URLSearchParams(urlIn.search);
-
-        // filter out blank parameters unless requested not to
-        if (evt.allowBlank == false)
-        {
-            for (let [key, value] of Array.from(paramsOut.entries()))
-            {
-                if (value === "")
-                {
-                    paramsOut.delete(key);
-                }
-            }
-        }
-        
-        const urlOut = new URL(`${urlIn.origin}${urlIn.pathname}?${paramsOut.toString()}`);
-
-        // console.log("")
-        // console.log("")
-        // console.log(`old    : ${urlIn.href}`);
-        // console.log(`params : ${paramsOut.toString()}`);
-        // console.log(`new    : ${urlOut.href}`);
-
-        let paramsInSorted = new URLSearchParams(paramsIn.toString());
-        paramsInSorted.sort();
-        let pIn = paramsInSorted.toString();
-        
-        let paramsOutSorted = new URLSearchParams(paramsOut.toString());
-        paramsOutSorted.sort();
-        let pOut = paramsOutSorted.toString();
-
-        let didNewHistoryEntry = false;
-        if (pIn != pOut)
-        {
-            // console.log("params are different, updating url and history")
-            // console.log(pIn)
-            // console.log(pOut)
-
-            history.pushState({}, "", urlOut.href);
-
-            didNewHistoryEntry = true;
-        }
-
-        return didNewHistoryEntry;
-    }
-
-    OnEvent(evt)
-    {
-        switch (evt.type) {
-            case "REQ_URL_GET": this.OnReqUrlGet(); break;
-        }
-    }
-
-    OnReqUrlGet()
-    {
-        // the purpose of this is to blow away the forward history when (say)
-        // a user clicks search, which triggers a URL re-evaluation.
-        let didNewHistoryEntry = this.DoUrlGet();
-
-        if (didNewHistoryEntry == false)
-        {
-            // force new history, request came in to re-evaluate, clearly
-            // a change has occurred.
-            history.pushState({}, "", window.location);
-        }
-    }
-}
-
-// global single instance
-let urlStateProxy = new UrlStateProxy();
-
-

js/QuerierWsprLive.js

@@ -6,10 +6,10 @@ See the /faq/tos page for details.
 (If this generated header is stamped on a file which is a 3rd party file or under a different license or copyright, then ignore this copyright statement and use that file's terms.)
 */
 
-import * as utl from '/js/Utl.js';
+import * as utl from './Utl.js';
 
 import { Base } from './Base.js';
-import { WSPR } from '/js/WSPR.js';
+import { WSPR } from './WSPR.js';
 
 
 const QUERY_URL_BASE = 'https://db1.wspr.live/';