Introducing script type="dummy"

pyscript · WebReflection · Jul 29, 2024 · Jul 29, 2024 · Jul 29, 2024 · Jul 29, 2024
commit d7760d9239236e2d926ba1badc3d98c289ee586d
diff --git a/docs/index.js b/docs/index.js
diff --git a/docs/index.js.map b/docs/index.js.map
diff --git a/esm/interpreter/dummy.js b/esm/interpreter/dummy.js
@@ -0,0 +1,39 @@
+import { io, stdio } from './_io.js';
+
+const registry = new Map;
+
+const type = 'dummy';
+
+// REQUIRES INTEGRATION TEST
+/* c8 ignore start */
+const require = name => registry.get(name);
+
+const run = (interpreter, code) => {
+    try {
+        return Function('require', code)(require);
+    }
+    catch (error) {
+        io.get(interpreter).stderr(error);
+    }
+};
+
+export default {
+    type,
+    module: () => 'data:application/javascript,',
+    engine: module => stdio().get(module),
+    registerJSModule(_, name, value) {
+        registry.set(name, value);
+    },
+    run,
+    runAsync: run,
+    runEvent: async (interpreter, code, event) => {
+        try {
+            await Function('require', 'e', `return ${code}(e)`)(require, event);
+        }
+        catch (error) {
+            io.get(interpreter).stderr(error);
+        }
+    },
+    transform: (_, value) => value,
+    writeFile() {},
+};
diff --git a/esm/interpreter/webr.js b/esm/interpreter/webr.js
@@ -51,7 +51,7 @@ export default {
     runAsync: run,
     async runEvent(interpreter, code, event) {
         // TODO: WebR cannot convert exoteric objects or any literal
-        // to an easy to reason about data/frame ... that convertion
+        // to an easy to reason about data/frame ... that conversion
         // is reserved for the future:
         // https://docs.r-wasm.org/webr/latest/convert-js-to-r.html#constructing-r-objects-from-javascript-objects
         await interpreter.evalRVoid(`${code}(event)`, {

diff --git a/esm/interpreters.js b/esm/interpreters.js
@@ -48,10 +48,11 @@ const register = (interpreter) => {
 };
 
 //:RUNTIMES
+import dummy from './interpreter/dummy.js';
 import micropython from './interpreter/micropython.js';
 import pyodide from './interpreter/pyodide.js';
 import ruby_wasm_wasi from './interpreter/ruby-wasm-wasi.js';
 import wasmoon from './interpreter/wasmoon.js';
 import webr from './interpreter/webr.js';
-for (const interpreter of [micropython, pyodide, ruby_wasm_wasi, wasmoon, webr])
+for (const interpreter of [dummy, micropython, pyodide, ruby_wasm_wasi, wasmoon, webr])
     register(interpreter);
diff --git a/package.json b/package.json
@@ -86,6 +86,6 @@
         "to-json-callback": "^0.1.1"
     },
     "worker": {
-        "blob": "sha256-jyja7vDWOV2Fy/al1o2uc7OkyteLjKTTY6jkJhlIEAg="
+        "blob": "sha256-1s+d/z97T1TW7Z1FKqUH9XkdwJnOr2YgB5K73a94okA="
     }
 }
diff --git a/test/dummy.html b/test/dummy.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Polyscript dummy interpreter (JS)</title>
+  <script type="module" src="../dist/index.js"></script>
+</head>
+<body>
+  <script type="dummy">
+    self.greetings = () => {
+      console.log('Hello World');
+    };
+  </script>
+  <button dummy-click="greetings">click me</button>
+  <script type="dummy" worker>
+    const { xworker: { window } } = require('polyscript');
+    window.document.body.append('OK');
+  </script>
+</body>
+</html>