Add test for normalizeModelName and explain change within

Author: Lustmored

src/LiveComponent/assets/src/set_deep_data.ts

@@ -75,6 +75,9 @@ export function doesDeepPropertyExist(data, propertyPath) {
  */
 export function normalizeModelName(model) {
     return model
+        // Names ending in "[]" represent arrays in HTML.
+        // To get normalized name we need to ignore this part.
+        // For example: "user[mailing][]" becomes "user.mailing" (and has array typed value)
         .replace(/\[]$/, '')
         .split('[')
         // ['object', 'foo', 'bar', 'ya']

src/LiveComponent/assets/test/set_deep_data.test.ts

@@ -96,4 +96,8 @@ describe('normalizeModelName', () => {
     it('can normalize a string with []', () => {
         expect(normalizeModelName('user[firstName]')).toEqual('user.firstName');
     });
+
+    it('can normalize a string ending in []', () => {
+        expect(normalizeModelName('user[mailing][]')).toEqual('user.mailing');
+    });
 });