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fix(grid): [grid] fix can not select first option when value is empty #2756

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merged 1 commit into from
Jan 8, 2025
Merged

fix(grid): [grid] fix can not select first option when value is empty #2756

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28 changes: 18 additions & 10 deletions packages/vue/src/grid/src/adapter/src/renderer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -100,24 +100,32 @@ function getEvents(renderOpts, params, context) {
}

function renderOptions(h, options, renderOpts, params, context) {
let { optionProps = {} } = renderOpts
let labelProp = optionProps.label || 'label'
let valueProp = optionProps.value || 'value'
let { column, row } = params
let { formatConfig } = column.own
let cellValue = isSyncCell(renderOpts, params, context) ? getCellValue(row, column) : column.model.value
const { optionProps = {} } = renderOpts
const labelProp = optionProps.label || 'label'
const valueProp = optionProps.value || 'value'
const { column, row } = params
const { formatConfig } = column.own
const cellValue = isSyncCell(renderOpts, params, context) ? getCellValue(row, column) : column.model.value

if (!options && formatConfig && formatConfig.data) {
options = formatConfig.data
}

return options.map((item, index) => {
let attrs = {
domProps: { value: item[valueProp], selected: item.value === cellValue },
let hasSelected = false
const optionsList = options.map((item, index) => {
const selected = item.value === cellValue
if (selected) {
hasSelected = true
}
const attrs = {
domProps: { value: item[valueProp], selected },
key: index
}
return h('option', attrs, item[labelProp])
})
if (options.length && !hasSelected) {
optionsList.unshift(h('option', { style: 'display:none', selected: true }, ''))
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A hidden default option is added to ensure that the first option can be selected when the value is empty. This change prevents the issue where no option is selected by default.

}
return optionsList
}

function renderOptgroups(h, options, params, context) {
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