HIsheR
17 lines
850 B
TypeScript
17 lines
850 B
TypeScript
import { effect, h } from '@ui-arch/frame';
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import type { TextareaProps } from './types.js';
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/*** 多行输入：value 信号双向绑定，disabled 支持布尔或信号禁用，onInput 为输入回调 ***/
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export function textarea(props: TextareaProps): HTMLTextAreaElement {
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const el = h('textarea', { class: 'ua-textarea', rows: props.rows ?? 3, placeholder: props.placeholder ?? '', disabled: props.disabled }) as HTMLTextAreaElement; // false/undefined 移除属性，Signal 走响应式
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if (props.value) {
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const signal = props.value;
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el.addEventListener('input', () => signal(el.value)); // 用户输入写回信号
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effect(() => {
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if (el.value !== signal()) el.value = signal(); // 外部变化写回输入框
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});
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}
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if (props.onInput) el.addEventListener('input', () => props.onInput!(el.value));
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return el;
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}
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