iter(g91): 表单字段补辅助说明 hint
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@@ -35,8 +35,9 @@ export function formItem(props: FormItemProps, control: HTMLElement): FormItemHa
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const mode = props.validateOn ?? 'blur'; // 校验时机;缺省失焦校验
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const rules = [...(props.required ? [{ required: true }] : []), ...(props.rules ?? [])]; // 必填规则排最前
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const error = h('div', { class: 'ua-form-error' });
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const hint = props.hint ? h('div', { class: 'ua-form-hint' }, props.hint) : null; // 辅助说明:报错时隐藏,避免与错误挤在一起
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const label = h('label', { class: 'ua-form-label' }, props.label, props.required ? h('i', { class: 'ua-form-req' }, '*') : null);
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const el = h('div', { class: 'ua-form-item' }, label, h('div', { class: 'ua-form-control' }, control, error));
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const el = h('div', { class: 'ua-form-item' }, label, h('div', { class: 'ua-form-control' }, control, hint, error));
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let seq = 0; // 校验轮次:异步结论回来时若已有更新的一轮,丢弃旧结果(防乱序覆盖)
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/*** 错误态落点:控件根 + 内部原生控件,保证 select / checkbox 这类包裹式控件也能标红 ***/
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@@ -48,6 +49,7 @@ export function formItem(props: FormItemProps, control: HTMLElement): FormItemHa
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/*** 落笔:错误文案 + 控件红框 + aria-invalid,视觉与读屏同源 ***/
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const paint = (msg: string | null): void => {
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error.textContent = msg ?? '';
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if (hint) hint.hidden = !!msg; // 有错时让位:同一位置只留一条提示
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control.classList.toggle('ua-invalid', !!msg);
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for (const node of marked()) node.setAttribute('aria-invalid', String(!!msg));
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};
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@@ -363,6 +363,7 @@ export interface FormItemProps {
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required?: boolean; // 必填:显示红星并自动追加非空规则
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rules?: FormRule[]; // 附加校验规则,按序执行
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validateOn?: 'input' | 'blur' | 'submit'; // 校验时机;缺省 blur
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hint?: string; // 控件下方辅助说明(格式提示等);报错时让位给错误文案
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}
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/*** 表单字段句柄:form 聚合校验用 ***/
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@@ -1568,6 +1568,11 @@
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"d": "校验时机;缺省 blur(输入时自动清已报错误)",
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"df": "blur"
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},
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{
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"n": "(formItem)hint",
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"t": "string",
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"d": "控件下方辅助说明(格式提示等);报错时让位给错误文案"
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},
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{
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"n": "onReset",
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"t": "() => void",
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@@ -1586,7 +1591,8 @@
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"触发时机用 input / change / focusout(均会冒泡),因此 checkbox / select / 单选组这类包裹式控件同样能失焦校验",
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"单行输入框内按 Enter 等同点击提交(textarea 内仍是换行);提交按钮为 type=\"submit\",不会与点击回调重复触发",
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"rules.validator 返回 Promise 即为异步规则(如「邀请码是否已被使用」远程校验):提交时逐项 await,校验期间提交按钮禁用,结论按轮次取舍避免乱序覆盖",
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"formItem 返回 { el, validate, validateAsync } 句柄:validate 只跑同步规则(供 blur/input 即时反馈),validateAsync 逐条 await 供 form 聚合提交"
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"formItem 返回 { el, validate, validateAsync } 句柄:validate 只跑同步规则(供 blur/input 即时反馈),validateAsync 逐条 await 供 form 聚合提交",
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"需要给字段加格式说明就传 hint:平时显示在控件下方,校验失败时自动让位给错误文案,同一位置不堆两行"
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]
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},
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{
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@@ -1493,6 +1493,14 @@ button.ua-step-dot:hover {
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flex-direction: column;
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gap: 4px;
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}
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.ua-form-hint {
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color: var(--ua-color-text-muted);
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font-size: var(--ua-font-size-sm);
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margin-top: 4px;
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}
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.ua-form-hint[hidden] {
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display: none;
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}
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.ua-form-error {
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color: var(--ua-color-danger);
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font-size: var(--ua-font-size-sm);
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