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fix(web): 修复input和textarea在ios输入法上中文快速输入导致的光标丢失问题 #5261

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fix(web): 修复input和textarea在ios输入法上中文快速输入导致的光标丢失问题 #5261

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21 changes: 19 additions & 2 deletions packages/uni-components/src/helpers/useField.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -331,6 +331,7 @@ function useValueSync(
return {
trigger,
triggerInput,
cancelValueChange: () => valueChangeFn!.cancel(),
}
}

Expand Down Expand Up @@ -406,6 +407,7 @@ function useEvent(
props: Props,
trigger: CustomEventTrigger,
triggerInput: Function,
cancelValueChange: Function,
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Copilot AI May 9, 2025

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Consider adding an explicit TypeScript type annotation for the 'cancelValueChange' parameter in the useEvent function to improve type safety and clarity.

Suggested change
cancelValueChange: Function,
cancelValueChange: (value: any) => void,

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beforeInput?: (event: Event, state: State) => any
) {
function checkSelection() {
Expand Down Expand Up @@ -458,6 +460,8 @@ function useEvent(
if (isFunction(beforeInput) && beforeInput(event, state) === false) {
return
}
// 修复ios输入法composition快速输入光标丢失问题
cancelValueChange()
state.value = field.value
if (!state.composing || !props.ignoreCompositionEvent) {
triggerInput(
Expand Down Expand Up @@ -523,12 +527,25 @@ export function useField(
) {
UniViewJSBridgeSubscribe()
const { fieldRef, state, trigger } = useBase(props, rootRef, emit)
const { triggerInput } = useValueSync(props, state, emit, trigger)
const { triggerInput, cancelValueChange } = useValueSync(
props,
state,
emit,
trigger
)
useAutoFocus(props, fieldRef)
useKeyboard(props, fieldRef, trigger)
const { state: scopedAttrsState } = useScopedAttrs()
useFormField('name', state)
useEvent(fieldRef, state, props, trigger, triggerInput, beforeInput)
useEvent(
fieldRef,
state,
props,
trigger,
triggerInput,
cancelValueChange,
beforeInput
)

// Safari 14 以上修正禁用状态颜色
// TODO fixDisabledColor 可以调整到beforeMount或mounted做修正，确保不影响SSR
Expand Down