Create jsstuff.js

jsstuff.js

@@ -0,0 +1,136 @@
+class JSStuff {
+  getInfo() {
+    return {
+      id: 'jsstuff',
+      name: 'JS Stuff',
+      blocks: [
+        {
+          opcode: 'roundNearest',
+          blockType: Scratch.BlockType.REPORTER,
+          text: 'round [A] to the nearest [B]',
+          arguments: {
+            A: {
+              type: Scratch.ArgumentType.STRING,
+              defaultValue: '3.14'
+            },
+            B: {
+              type: Scratch.ArgumentType.STRING,
+              defaultValue: '0.1'
+            }
+          }
+        },
+{
+          opcode: 'joinThree',
+          blockType: Scratch.BlockType.REPORTER,
+          text: 'join [A] [B] [C]',
+          arguments: {
+            A: {
+              type: Scratch.ArgumentType.STRING,
+              defaultValue: 'apple '
+            },
+            B: {
+              type: Scratch.ArgumentType.STRING,
+              defaultValue: 'banana '
+            },
+            C: {
+              type: Scratch.ArgumentType.STRING,
+              defaultValue: 'pear'
+            }
+          }
+        },
+{
+          opcode: 'mathDropdown',
+          blockType: Scratch.BlockType.REPORTER,
+          text: '[A] of [B]',
+          arguments: {
+            A: {
+              type: Scratch.ArgumentType.STRING,
+              menu: 'MATH_MENU'
+            },
+            B: {
+              type: Scratch.ArgumentType.STRING
+            }
+          }
+        },
+{
+          opcode: 'reverse',
+          blockType: Scratch.BlockType.REPORTER,
+          text: 'reverse [A]',
+          arguments: {
+            A: {
+              type: Scratch.ArgumentType.STRING,
+              defaultValue: 'apple'
+            }
+          }
+        },
+{
+          opcode: 'oddOrEven',
+          blockType: Scratch.BlockType.BOOLEAN,
+          text: '[A] is [B] ?',
+          arguments: {
+            A: {
+              type: Scratch.ArgumentType.STRING,
+            },
+            B: {
+              type: Scratch.ArgumentType.STRING,
+              menu: 'ODD_OR_EVEN'
+            }
+          }
+        }
+      ],
+      menus: {
+        MATH_MENU: {
+          acceptReporters: false,
+          items: [
+            {
+              text: 'sign',
+              value: 'sign'
+            },
+            {
+              text: 'sigmoid',
+              value: 'sigmoid'
+            }
+          ]
+        },
+        ODD_OR_EVEN: {
+          acceptReporters: true,
+          items: [
+            {
+              text: 'odd',
+              value: 'odd'
+            },
+            {
+              text: 'even',
+              value: 'even'
+            }
+          ]
+        }
+      }
+    };
+  }
+
+  roundNearest(args) {
+    return Math.round(args.A / args.B) * args.B;
+  }
+  joinThree(args) {
+    return args.A.concat(args.B.concat(args.C));
+  }
+  mathDropdown(args) {
+    if (args.A === 'sign') {
+    return Math.sign(args.B);
+} else {
+    return 1 / (1 + Math.E ** -args.B);
+  }
+}
+  reverse(args) {
+    return args.A.split('').reverse().join('');
+  }
+  oddOrEven(args) {
+    if (args.B === 'even') {
+    return Number.isInteger(args.A / 2);
+} else {
+    return Number.isInteger(args.A / 2 + 0.5);
+  }
+}
+}
+Scratch.extensions.register(new JSStuff());