feat: add FES warning for zero or negative textSize

src/typography/attributes.js

@@ -191,6 +191,14 @@ p5.prototype.textLeading = function(theLeading) {
  */
 p5.prototype.textSize = function(theSize) {
   p5._validateParameters('textSize', arguments);
+
+  // New FES Warning Logic
+  if (arguments.length > 0 && theSize <= 0) {
+    p5._friendlyError(
+      `textSize() was called with a value of ${theSize}. ` +
+      'Text size must be a positive number greater than 0 to render correctly and prevent text overlapping when wrapping.'
+    );
+  }
   return this._renderer.textSize(...arguments);
 };
 

test/unit/typography/attributes.js

@@ -73,6 +73,16 @@ suite('Typography Attributes', function() {
         myp5.textSize('30');
       });
     });
+    // NEW TEST ADDED
+    test('should trigger FES warning if textSize is 0 or negative', function() {
+      p5.disableFriendlyErrors = false;
+      expect(function() {
+        myp5.textSize(0);
+      }).to.generateFriendlyError();
+      expect(function() {
+        myp5.textSize(-5);
+      }).to.generateFriendlyError();
+    });
   });
 
   suite('p5.prototype.textStyle', function() {