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fix(vant-compat): [Field] Fix the false positive empty value when the value is boolean false #12956

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fix(vant-compat): [Field] Fix the false positive empty value when the value is boolean false #12956

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2 changes: 1 addition & 1 deletion packages/vant/src/field/utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ export function isEmptyValue(value: unknown) {
if (Array.isArray(value)) {
return !value.length;
}
if (value === 0) {
if (value === 0 || typeof value === 'boolean') {
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This will break the Checkbox component

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@YujiaCheng1996 YujiaCheng1996 Jun 29, 2024 •
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When a single boolean Radio/Checkbox/Switch is required, users have to select true, which is not ideal.
单选/多选/开关如果单独绑定布尔值并设置必填，用户必须选择是，若选否/关闭开关，校验不通过，不是很理想。
Users should be able to choose false, or turn off the switch. In this case, just check the value is undefined/null/NaN or not will be enough.
用户应该能选否或关闭开关，这样只要检查值不为空就行。
Maybe there is a more elegant apporach.
可能有其他更好的解决方法。

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嗯，修复这个问题的前提是不破坏现有的正确逻辑，比如 Checkbox 组件

return false;
}
return !value;
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