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fix(Picker): should update selectedValues correctly

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This commit is contained in:
chenjiahan 2022-02-10 19:41:19 +08:00
parent 7dae50b0c9
commit 2a8bb86fbb
2 changed files with 14 additions and 2 deletions
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8
packages/vant/src/picker/Picker.tsx
View File

@ -21,6 +21,7 @@ import {
BORDER_UNSET_TOP_BOTTOM,
} from '../utils';
import {
isOptionExist,
isValuesEqual,
getColumnsType,
findOptionByValue,
@ -118,7 +119,7 @@ export default defineComponent({
// reset values after cascading
selectedValues.value.forEach((value, index) => {
const options = currentColumns.value[index];
if (!options.find((option) => option[fields.value.value] === value)) {
if (!isOptionExist(options, value, fields.value)) {
selectedValues.value[index] = options.length
? options[0][fields.value.value]
: undefined;
@ -245,7 +246,10 @@ export default defineComponent({
currentColumns,
(columns) => {
columns.forEach((options, index) => {
if (selectedValues.value[index] === undefined && options.length) {
if (
options.length &&
!isOptionExist(options, selectedValues.value[index], fields.value)
) {
selectedValues.value[index] =
getFirstEnabledOption(options)[fields.value.value];
}

8
packages/vant/src/picker/utils.ts
View File

@ -38,6 +38,14 @@ export function findIndexOfEnabledOption(
return 0;
}
export const isOptionExist = (
options: PickerOption[],
value: number | string | undefined,
fields: Required<PickerFieldNames>
) =>
value !== undefined &&
!!options.find((option) => option[fields.value] === value);
export function findOptionByValue(
options: PickerOption[],
value: number | string,