fix(reactivity): add NaN prop on Array should not trigger length dependency. (#1998)

2020-09-15 08:40:09 +08:00
parent 124c385baf
commit 0d4910a211
2 changed files with 6 additions and 1 deletions
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -87,7 +87,10 @@ export const isPlainObject = (val: unknown): val is object =>
  toTypeString(val) === '[object Object]'

 export const isIntegerKey = (key: unknown) =>
-  isString(key) && key[0] !== '-' && '' + parseInt(key, 10) === key
+  isString(key) &&
+  key !== 'NaN' &&
+  key[0] !== '-' &&
+  '' + parseInt(key, 10) === key

 export const isReservedProp = /*#__PURE__*/ makeMap(
  'key,ref,' +