text extension small expansion

extensions/text.js

@@ -1,7 +1,8 @@
 // Name: Text
 // ID: strings
 // Description: Manipulate characters and text.
-// Original: CST1229 <https://scratch.mit.edu/users/CST1229/>
+// By: CST1229 <https://scratch.mit.edu/users/CST1229/>
+// By: BludIsAnLemon <https://scratch.mit.edu/users/BludIsAnLemon/>
 // License: MIT AND MPL-2.0
 
 (function (Scratch) {
@@ -372,12 +373,79 @@
               },
             },
           },
+
+          "---",
+
+          {
+            opcode: 'endsAt',
+            blockType: Scratch.BlockType.BOOLEAN,
+            text: Scratch.translate('[STRING] ends with [SUBSTRING]?'),
+            arguments: {
+              STRING: {
+                type: Scratch.ArgumentType.STRING,
+                defaultValue: 'apple'
+              },
+              SUBSTRING: {
+                type: Scratch.ArgumentType.STRING,
+                defaultValue: 'banana'
+              }
+            }
+          },
+
+          "---",
+
+          {
+            opcode: 'backwards',
+            blockType: Scratch.BlockType.REPORTER,
+            text: Scratch.translate('[STRING] backwards'),
+            arguments: {
+              STRING: {
+                type: Scratch.ArgumentType.STRING,
+                defaultValue: 'apple'
+              }
+            }
+          },
+
+          "---",
+
+          {
+            opcode: 'trim',
+            blockType: Scratch.BlockType.REPORTER,
+            text: Scratch.translate('trim [STRING] at [METHOD]'),
+            arguments: {
+              STRING: {
+                type: Scratch.ArgumentType.STRING,
+                defaultValue: '   apple   '
+              },
+              METHOD: {
+                type: Scratch.ArgumentType.STRING,
+                menu: "trimMethod"
+              }
+            }
+          }
         ],
         menus: {
           textCase: {
             acceptReporters: true,
             items: this._initCaseMenu(),
           },
+          trimMethod: {
+            acceptReporters: true,
+            items: [
+              {
+                text: Scratch.translate('both sides'),
+                value: 'both'
+              },
+              {
+                text: Scratch.translate('the end'),
+                value: 'front'
+              },
+              {
+                text: Scratch.translate('the start'),
+                value: 'back'
+              }
+            ]
+          }
         },
       };
     }
@@ -613,6 +681,28 @@
           return string;
       }
     }
+    endsAt(args) {
+      let STRING = args.STRING
+      return STRING.endsWith(args.SUBSTRING);
+    }
+    backwards(args) {
+      let backwardsText = Array.from(args.STRING);
+      backwardsText.reverse();
+      return backwardsText.join('');
+    }
+    trim(args) {
+      let method = args.METHOD;
+      let STRING = args.STRING;
+      if(method == "both") {
+        return STRING.trim();
+      } else if(method == "front") {
+        return STRING.trimEnd();
+      } else if(method == "back") {
+        return STRING.trimStart();
+      } else {
+        return 'Please select a valid method!';
+      }
+    }
   }
 
   Scratch.extensions.register(new StringsExt());