hack hack hack until pyterminal works also in workers

pyscript.core/src/core.js

@@ -75,9 +75,19 @@ const registerModule = ({ XWorker: $XWorker, interpreter, io }) => {
     interpreter.runPython(stdlib, { globals: interpreter.runPython("{}") });
 };
 
+// this is a super-ugly workaround for a polyscript issue: in theory I should
+// define a codeBeforeRunWorker hook inside py-terminal.js, but since it's a
+// lazy plugin, it is too late: https://github.com/pyscript/polyscript/issues/52
+const py_terminal_codeBeforeRunner = `
+from pyscript import pyterminal
+pyterminal.init()
+`;
+
 const workerHooks = {
     codeBeforeRunWorker: () =>
-        [stdlib, ...hooks.codeBeforeRunWorker].map(dedent).join("\n"),
+        [stdlib, py_terminal_codeBeforeRunner, ...hooks.codeBeforeRunWorker]
+            .map(dedent)
+            .join("\n"),
     codeBeforeRunWorkerAsync: () =>
         [stdlib, ...hooks.codeBeforeRunWorkerAsync].map(dedent).join("\n"),
     codeAfterRunWorker: () =>
@@ -135,7 +145,8 @@ for (const [TYPE, interpreter] of TYPES) {
                 errors.set(element, error);
             },
             ...workerHooks,
-            onWorkerReady(_, xworker) {
+            async onWorkerReady(_, xworker) {
+                await plugins; // workaround for a polyscript bug
                 assign(xworker.sync, sync);
                 for (const callback of hooks.onWorkerReady)
                     callback(_, xworker);