feat(runtime-core): warn against user properties with reserved prefixes

2020-05-01 11:23:01 -04:00
parent 20bc7ba1c5
commit 1bddeea247
2 changed files with 30 additions and 11 deletions
--- a/packages/runtime-core/src/componentOptions.ts
+++ b/packages/runtime-core/src/componentOptions.ts
@@ -417,12 +417,14 @@ export function applyOptions(
      for (const key in rawData) {
        checkDuplicateProperties!(OptionTypes.DATA, key)
        // expose data on ctx during dev
-        Object.defineProperty(ctx, key, {
-          configurable: true,
-          enumerable: true,
-          get: () => rawData[key],
-          set: NOOP
-        })
+        if (key[0] !== '$' && key[0] !== '_') {
+          Object.defineProperty(ctx, key, {
+            configurable: true,
+            enumerable: true,
+            get: () => rawData[key],
+            set: NOOP
+          })
+        }
      }
    }
  }