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perf(transfer): remove some clone overhead

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This commit is contained in:
07akioni 2020-02-04 18:40:36 +08:00
parent 946b5a0cd8
commit 3ce67a614c
1 changed files with 3 additions and 4 deletions
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7
packages/common/Transfer/src/Transfer.vue
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@ -155,7 +155,6 @@ import NTransferHeaderExtra from './TransferHeaderExtra'
import NTransferSourceListItem from './TransferSourceListItem'
import NTransferTargetListItem from './TransferTargetListItem'
import NTransferButton from './TransferButton'
import cloneDeep from 'lodash/cloneDeep'
import asformitem from '../../../mixins/asformitem'
import withapp from '../../../mixins/withapp'
import themeable from '../../../mixins/themeable'
@ -276,7 +275,7 @@ export default {
valueToOptionMap () {
const map = new Map()
this.options.forEach(option => {
map.set(option.value, { ...option })
map.set(option.value, option)
})
return map
},
@ -334,7 +333,7 @@ export default {
options (newOptions) {
this.initialized = false
const valueSet = this.valueSet
this.memorizedSourceOptions = cloneDeep(this.options.filter(option => !valueSet.has(option.value)))
this.memorizedSourceOptions = this.options.filter(option => !valueSet.has(option.value))
this.sourceCheckedValues = []
this.targetCheckedValues = []
this.$nextTick().then(() => {
@ -347,7 +346,7 @@ export default {
},
created () {
const valueSet = this.valueSet
this.memorizedSourceOptions = cloneDeep(this.options.filter(option => !valueSet.has(option.value)))
this.memorizedSourceOptions = this.options.filter(option => !valueSet.has(option.value))
},
methods: {
emitChangeEvent (value) {