Create JavaScript.js

Author: Fluffy728

extensions/MyScratchBlocks Official/JavaScript.js

@@ -0,0 +1,71 @@
+// Original extension by @LilyMakesThings
+
+(function (Scratch) {
+  'use strict';
+
+  const vm = Scratch.vm;
+  const runtime = vm.runtime;
+  const isPackaged = runtime.isPackaged;
+
+  let allowJSCode = true;
+  let ineditor = true;
+
+  if (!Scratch.extensions.unsandboxed) {
+    throw new Error('This extension must run unsandboxed');
+  }
+  
+  class CustomJS {
+    getInfo() {
+      return {
+        id: 'JavaScript',
+        name: 'JavaScript',
+        color1: '#AAAAAA',
+        blocks: [
+          {
+            opcode: 'execute',
+            func: 'javascript',
+            blockType: Scratch.BlockType.COMMAND,
+            text: 'execute [JS]',
+            arguments: {
+              JS: {
+                type: Scratch.ArgumentType.STRING,
+                defaultValue: 'alert("Hello World!")'
+              }
+            }
+          },
+          {
+            opcode: 'evaluateReporter',
+            func: 'javascript',
+            blockType: Scratch.BlockType.REPORTER,
+            text: 'evaluate [JS]',
+            arguments: {
+              JS: {
+                type: Scratch.ArgumentType.STRING,
+                defaultValue: 'Math.random()'
+              }
+            }
+          },
+          {
+            opcode: 'evaluateBoolean',
+            func: 'javascript',
+            blockType: Scratch.BlockType.BOOLEAN,
+            text: 'evaluate [JS]',
+            arguments: {
+              JS: {
+                type: Scratch.ArgumentType.STRING,
+                defaultValue: 'Math.round(Math.random()) === 1'
+              }
+            }
+          },
+        ]
+      };
+    }
+
+   javascript(args, util) {
+    const output = eval(args.JS);
+    return (output) ? output : '';
+    }
+  }
+
+  Scratch.extensions.register(new CustomJS());
+})(Scratch);