Playground enhancements

playground/src/worker.ts

@@ -1,41 +1,50 @@
 import { shim } from "./emul";
+import { API, Message, ResponseMSG } from "./ipc";
 import { archive, preload } from "./preload";
-import { CompileReq, CompileRes } from "./types";
 
+const LOG = console.log
 console.log = (m) => {
   shim.stdout += "\n" + m;
 };
 
-const handleMessage = async function (ev: { data: CompileReq }) {
-  console.log("message", ev.data);
+const handleMessage = async function <K extends keyof API>(ev: { data: Message<K> }) {
+  LOG("HANDLE", ev.data);
   await preload;
   shim.archive = archive;
-  let { id, src, fileName } = ev.data;
-  const outfile = "out.js";
-  if (ev.data.compile)
-    shim.process.argv = ["browser", "newt", fileName, "-o", outfile, "--top"];
-  else
-    shim.process.argv = ["browser", "newt", fileName, "--top"];
-  shim.files[fileName] = new TextEncoder().encode(src);
-  shim.files[outfile] = new TextEncoder().encode("No JS output");
-  shim.stdout = "";
-  const start = +new Date();
-  try {
-    Main_main();
-  } catch (e) {
-    // make it clickable in console
-    console.error(e);
-    // make it visable on page
-    shim.stdout += "\n" + String(e);
+  let key = ev.data.key
+  if (key === 'typeCheck' || key === 'compile') {
+    let {id, args: [fileName]} = ev.data
+    LOG(key, fileName)
+    const outfile = "out.js";
+    const isCompile = key === 'compile';
+    if (isCompile)
+      shim.process.argv = ["browser", "newt", fileName, "-o", outfile, "--top"];
+    else
+      shim.process.argv = ["browser", "newt", fileName, "--top"];
+    shim.stdout = "";
+    shim.files[outfile] = new TextEncoder().encode("No JS output");
+
+    try {
+      Main_main();
+    } catch (e) {
+      // make it clickable in console
+      console.error(e);
+      // make it visable on page
+      shim.stdout += "\n" + String(e);
+    }
+    let result = isCompile ? new TextDecoder().decode(shim.files[outfile]) : shim.stdout
+    sendResponse({id, result})
+  } else if (key === 'save') {
+    let {id, args: [fileName, content]} = ev.data
+    LOG(`SAVE ${content?.length} to ${fileName}`)
+    shim.files[fileName] = new TextEncoder().encode(content)
+    LOG('send', {id, result: ''})
+    sendResponse({id, result: ''})
   }
-  let duration = +new Date() - start;
-  console.log(`process ${fileName} in ${duration} ms`);
-  let javascript = new TextDecoder().decode(shim.files[outfile]);
-  let output = shim.stdout;
-  sendResponse({ id, type: "compileResult", javascript, output, duration });
+
 };
 
 // hooks for worker.html to override
-let sendResponse: (_: CompileRes) => void = postMessage;
+let sendResponse: <K extends keyof API>(_: ResponseMSG) => void = postMessage;
 onmessage = handleMessage;
 importScripts("newt.js");