79 lines
2.4 KiB
TypeScript
79 lines
2.4 KiB
TypeScript
import { X } from "lucide-react"
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import * as React from "react"
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import { cn } from "@/lib/utils"
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interface InputProps extends React.ComponentProps<"input"> {
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clearable?: boolean
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onClear?: () => void
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}
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function Input({
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className,
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type,
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clearable,
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onClear,
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value,
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onChange,
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...props
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}: InputProps) {
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const [showClear, setShowClear] = React.useState(false)
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const inputRef = React.useRef<HTMLInputElement>(null)
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const hasValue =
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value !== undefined && value !== null && String(value).length > 0
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// 监听输入框焦点状态
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const handleFocus = () => setShowClear(true)
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const handleBlur = () => setShowClear(false)
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const handleClear = () => {
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if (onClear) {
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onClear()
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} else if (onChange) {
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// 触发 React 的 change 事件
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const event = {
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target: { value: "" },
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currentTarget: { value: "" },
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} as React.ChangeEvent<HTMLInputElement>
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onChange(event)
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}
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// 清空后重新聚焦
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inputRef.current?.focus()
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}
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return (
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<div className="relative inline-block w-full">
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<input
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ref={inputRef}
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type={type}
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data-slot="input"
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value={value}
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onChange={onChange}
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onFocus={handleFocus}
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onBlur={handleBlur}
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className={cn(
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"file:text-foreground placeholder:text-muted-foreground selection:bg-primary selection:text-primary-foreground dark:bg-input/30 border-input h-9 w-full min-w-0 rounded-md border bg-transparent px-3 py-1 text-base shadow-xs transition-[color,box-shadow] outline-none file:inline-flex file:h-7 file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
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"focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px]",
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"aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
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// 当有清空按钮时，右侧留出空间
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clearable && hasValue && showClear && "pr-7",
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className,
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)}
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{...props}
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/>
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{clearable && hasValue && showClear && (
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<button
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type="button"
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onClick={handleClear}
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className="absolute right-2 top-1/2 -translate-y-1/2 text-muted-foreground hover:text-foreground"
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aria-label="清空"
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>
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<X className="h-4 w-4" />
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</button>
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)}
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</div>
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)
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}
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export { Input }
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