Change name of decorator registration function

Author: limzykenneth

src/core/friendly_errors/param_validator.js

@@ -573,7 +573,7 @@ function validateParams(p5, fn, lifecycles) {
 
   fn._validate = validate; // TEMP: For unit tests
 
-  p5.decorateHelper(
+  p5.registerDecorator(
     ({ path }) => {
       return path.startsWith('p5.prototype');
     },

src/core/main.js

@@ -162,7 +162,7 @@ class p5 {
   }
 
   static decorations = new Map();
-  static decorateHelper(pattern, decoration){
+  static registerDecorator(pattern, decoration){
     if(typeof pattern === 'string'){
       const patternStr = pattern;
       pattern = ({ path }) => patternStr === path;

test/unit/core/param_errors.js

@@ -29,7 +29,7 @@ suite('Validate Params', function () {
       return 'mock p5.Graphics';
     },
     _error: () => {},
-    decorateHelper: () => {},
+    registerDecorator: () => {},
   };
   const mockP5Prototype = {};