From 4fde9ca00ca4073764f918956d7c1061c1dd4495 Mon Sep 17 00:00:00 2001
From: janrywang <wangzhili56@126.com>
Date: Wed, 7 Apr 2021 15:39:47 +0800
Subject: [PATCH] fix(path): fix accessor

---
 packages/path/src/index.ts  | 28 +++++++++++++++++-----------
 packages/path/src/shared.ts |  4 +++-
 2 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/packages/path/src/index.ts b/packages/path/src/index.ts
index 1b2f8982fd0..fc92892efa8 100644
--- a/packages/path/src/index.ts
+++ b/packages/path/src/index.ts
@@ -8,6 +8,7 @@ import {
   isNum,
   isRegExp,
   isPlainObj,
+  isAssignable,
 } from './shared'
 import {
   getDestructor,
@@ -24,24 +25,29 @@ import { Matcher } from './matcher'
 const REGISTRY: IRegistry = {
   accessors: {
     get(source: any, key: number | string | symbol) {
-      if (typeof source !== 'object') return source
-      return Reflect.get(source, key)
+      if (isAssignable(source)) {
+        return Reflect.get(source, key)
+      }
     },
     set(source: any, key: number | string | symbol, value: any) {
-      if (typeof source !== 'object') return
-      return Reflect.set(source, key, value)
+      if (isAssignable(source)) {
+        return Reflect.set(source, key, value)
+      }
     },
     has(source: any, key: number | string | symbol) {
-      if (typeof source !== 'object') return
-      return Reflect.has(source, key)
+      if (isAssignable(source)) {
+        return Reflect.has(source, key)
+      }
+      return false
     },
     delete(source: any, key: number | string | symbol) {
-      if (typeof source !== 'object') return
-      if (Array.isArray(source) && isNumberIndex(key)) {
-        source.splice(Number(key), 1)
-        return true
+      if (isAssignable(source)) {
+        if (Array.isArray(source) && isNumberIndex(key)) {
+          source.splice(Number(key), 1)
+          return true
+        }
+        return Reflect.deleteProperty(source, key)
       }
-      return Reflect.deleteProperty(source, key)
     },
   },
 }
diff --git a/packages/path/src/shared.ts b/packages/path/src/shared.ts
index 3428b3d483c..17792c00481 100644
--- a/packages/path/src/shared.ts
+++ b/packages/path/src/shared.ts
@@ -17,7 +17,9 @@ const hasProp = Object.prototype.hasOwnProperty
 
 export const toArr = <T>(val: T | T[]): T[] =>
   Array.isArray(val) ? val : val !== undefined ? [val] : []
-
+export const isAssignable = (val: any) => {
+  return typeof val === 'object' || typeof val === 'function'
+}
 export const isEqual = (a: any, b: any) => {
   if (a === b) {
     return true