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[Improvement] optimize watcher (#1001)

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This commit is contained in:
neverland
2018-05-05 22:14:43 +08:00
committed by GitHub
parent 6d4709cc71
commit ba2f11138b
5 changed files with 52 additions and 61 deletions
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19
packages/picker/index.vue
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@@ -70,13 +70,14 @@ export default create({
};
},
created() {
this.initColumns();
},
watch: {
columns() {
this.initColumns();
columns: {
handler() {
const columns = this.columns.map(deepClone);
this.isSimpleColumn = columns.length && !columns[0].values;
this.currentColumns = this.isSimpleColumn ? [{ values: columns }] : columns;
},
immediate: true
}
},
@@ -95,12 +96,6 @@ export default create({
},
methods: {
initColumns() {
const columns = this.columns.map(deepClone);
this.isSimpleColumn = columns.length && !columns[0].values;
this.currentColumns = this.isSimpleColumn ? [{ values: columns }] : columns;
},
emit(event) {
if (this.isSimpleColumn) {
this.$emit(event, this.getColumnValue(0), this.getColumnIndex(0));