fix(fields): 内嵌子表 date 列回显存量 ISO 值 (#3566) by baozhoutao · Pull Request #3718 · objectstack-ai/objectui

baozhoutao · 2026-08-08T02:51:49Z

#3127 的同族缺口，落在子表面上。

缺陷

GridField 自己手搓单元格输入，不走 DateField，所以 #3127 的修复够不着它。date 列拿到 API 的 ISO 形状时，String(val) 把它原样喂进 <input type="date">：

el.getAttribute('value')  // "2026-06-17T00:00:00.000Z"  ← 记录里的值
el.value                  // ""                          ← 用户看到的

该控件只接受 YYYY-MM-DD，其余形状静默拒收 —— 属性照样落进 DOM，input.value 读回空串，于是有值的行画出空占位。

改法

复用 #3127 落地的 toDateInputValue，不新增第二个日期归一化 helper：

value={c.type === 'date' ? toDateInputValue(val) : val != null ? String(val) : ''}

它对开头是 YYYY-MM-DD 的串原样透传，避免 date-only 被 new Date() 按 UTC 午夜解析后、再读本地日期分量而在格林威治以西整体差一天。

写回侧刻意不配对：onChange 仍交出控件自己的 plain YYYY-MM-DD —— 与 DateField 同一约定，读写保持同一基准。

验证

单测（先证伪）：把修复行还原后，新测以本缺陷的精确症状失败 ——

FAIL packages/fields/src/widgets/GridField.test.tsx > date columns echo the stored value (#3566)
AssertionError: expected '' to be '2026-06-17'

恢复后 pnpm exec vitest run packages/fields/ → 64 files / 973 tests passed；连同消费方 plugin-form/ 合跑 36 files / 380 tests passed。新增 4 条：ISO 与裸日期两种形状都渲染 2026-06-17、空值保持空、写回仍是 plain YYYY-MM-DD。

真机（framework showcase + 本分支 console dev，对象 showcase_expense_line 的 incurred_on，走 inlineEdit: 'grid' 的内嵌子表）：

EXP-2003 编辑表单的 Incurred On 单元格	`attr`	`.value`
还原修复行（对照组）	`2026-06-17T00:00:00.000Z`	`""` ← 复现缺陷
本分支	`2026-06-17`	`2026/06/17` ✅

差一天已显式排除：本地时区 PDT（UTC−7），若按 UTC 午夜重解析会显示 06/16 —— 没有位移。
写回往返：单元格改成 2026-06-20 保存 → 后端与 sqlite 原始行均为 2026-06-20，相邻未触碰行仍是 2026-06-18（未被重新提交或改坏）。

取证说明：该后端对 date 字段读写两侧都会规整成 YYYY-MM-DD（绕过 API 直写 sqlite 亦然），stock seed 复现不了本缺陷；因此用一个改写代理把文档所载的 ISO 形状真正放上线来驱动真实 UI。对照组 datetime 字段接口原样回 2026-08-07T16:39:20.389Z。上游夹具缺口已报 objectstack-ai/objectstack#6328（未擅改其 seed 数据）。

范围

无 changeset（AGENTS.md §9：纯 bug 修复不写）。

同族但故意未修、已拆出 #3569：deriveMasterDetail.ts 把 datetime/time 折叠成 date 列，导致 datetime 子表字段的时间分量在写回时被静默丢弃；只读展示面（displayText()、只读表的 String(...)）同源。两者的修复都要先解开类型折叠并跨 plugin-form，在此之前 GridField 无从分辨该显示「日」还是「日+时间」，按日渲染会把 datetime 的时间从展示里抹掉。本 PR 不会让 #3569 更差：datetime 列由「空白」变为「显示日历日」。

🤖 Generated with Claude Code

GridField hand-rolls its own cell input rather than going through DateField, so objectui#3127's fix did not reach it: a `date` column whose value carries the API's ISO shape (`2026-06-17T00:00:00.000Z`) fed that string straight into `<input type="date">`, which accepts only `YYYY-MM-DD` and rejects everything else SILENTLY — the attribute lands in the DOM while `input.value` reads back `''`, so the cell painted its empty placeholder on a row that has a value. Reuse `toDateInputValue` from #3127 instead of adding a second date normaliser. It passes a leading `YYYY-MM-DD` through verbatim, so a date-only value is not re-parsed as UTC midnight and shifted a day earlier west of Greenwich. The write side is deliberately unpaired: `onChange` still emits the control's own plain `YYYY-MM-DD`, which is DateField's contract too, so read and write stay on one basis. Fixes #3566 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

vercel · 2026-08-08T02:51:55Z

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github-actions · 2026-08-08T02:54:25Z

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github-actions Bot added the tests label Aug 8, 2026

baozhoutao mentioned this pull request Aug 8, 2026

[fields,plugin-form] 内嵌子表把 datetime/time 列折叠成 date 控件：时间分量在编辑时被静默丢弃 #3569

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fix(fields): 内嵌子表 date 列回显存量 ISO 值 (#3566) - #3718

fix(fields): 内嵌子表 date 列回显存量 ISO 值 (#3566)#3718
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baozhoutao commented Aug 8, 2026

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