theluyuan/vue3-yuanma
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix(reactivity): Map.set should trigger when adding new entry with undefined value (#364)

Browse Source
This commit is contained in:
Cr
2019-10-23 23:00:55 +08:00
committed by Evan You
parent 09c248ae87
commit 246cad7459
3 changed files with 32 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
packages/reactivity/src/collectionHandlers.ts
View File

@@ -68,21 +68,19 @@ function set(this: MapTypes, key: unknown, value: unknown) {
const hadKey = proto.has.call(target, key)
const oldValue = proto.get.call(target, key)
const result = proto.set.call(target, key, value)
if (value !== oldValue) {
/* istanbul ignore else */
if (__DEV__) {
const extraInfo = { oldValue, newValue: value }
if (!hadKey) {
trigger(target, OperationTypes.ADD, key, extraInfo)
} else {
trigger(target, OperationTypes.SET, key, extraInfo)
}
} else {
if (!hadKey) {
trigger(target, OperationTypes.ADD, key)
} else {
trigger(target, OperationTypes.SET, key)
}
/* istanbul ignore else */
if (__DEV__) {
const extraInfo = { oldValue, newValue: value }
if (!hadKey) {
trigger(target, OperationTypes.ADD, key, extraInfo)
} else if (value !== oldValue) {
trigger(target, OperationTypes.SET, key, extraInfo)
}
} else {
if (!hadKey) {
trigger(target, OperationTypes.ADD, key)
} else if (value !== oldValue) {
trigger(target, OperationTypes.SET, key)
}
}
return result