fix(clipboard): preserve Windows line endings for result copies

chat2db-community-client/package.json

@@ -86,7 +86,7 @@
     "test:monaco-lifecycle": "tsx src/utils/monaco.test.ts && tsx src/components/SingleFileMonacoEditor/refAdapter.test.ts",
     "test:mcp-lifecycle": "tsx src/blocks/Setting/McpSetting/mcpLifecycle.test.ts",
     "test:sql-completion-context": "tsx src/components/SQLEditor/core/sqlCompletionContext.test.ts && tsx src/components/SQLEditor/core/sqlCompletionRequestError.test.ts",
-    "test:sql-in-clipboard": "tsx src/utils/sqlInClipboard.test.ts && tsx src/components/SQLEditor/helper/sqlInsertValueDefaults.test.ts",
+    "test:sql-in-clipboard": "tsx src/utils/clipboardText.test.ts && tsx src/utils/internalClipboard.test.ts && tsx src/utils/sqlInClipboard.test.ts && tsx src/components/SQLEditor/helper/sqlInsertValueDefaults.test.ts",
     "test:console-tab-name": "tsx src/store/workspace/utils/consoleTabName.test.ts && tsx src/utils/workspaceObjectTabTitle.test.ts",
     "test:workspace-tab-scroll": "tsx src/store/workspace/utils/workspaceTabScrollRequest.test.ts && tsx src/components/Tabs/activeTabScroll.test.ts && tsx src/components/Tabs/wheelScroll.test.ts && tsx src/components/Tabs/tabAccentColor.test.ts",
     "test:workspace-split-lifecycle": "tsx src/pages/main/workspace/components/WorkspaceTabs/workspaceTabContentLayout.test.ts && tsx src/pages/main/workspace/components/WorkspaceTabs/workspaceTabLayout.test.ts",

chat2db-community-client/src/utils/clipboardText.test.ts

@@ -0,0 +1,34 @@
+import assert from 'node:assert/strict';
+import { normalizeClipboardText } from './clipboardText';
+import { getInternalResultGridClipboard, setInternalResultGridClipboard, clearInternalClipboard } from './internalClipboard';
+
+const windowsAgents = [
+  'Mozilla/5.0 (Windows NT 10.0; Win64; x64)',
+  'Mozilla/5.0 (Windows NT 6.1)',
+  'Win32',
+];
+
+for (const userAgent of windowsAgents) {
+  assert.equal(normalizeClipboardText('1001\n1002\n1003', userAgent), '1001\r\n1002\r\n1003');
+  assert.equal(normalizeClipboardText('a\r\nb\nc\rd\n', userAgent), 'a\r\nb\r\nc\r\nd\r\n');
+  assert.equal(normalizeClipboardText('a\r\nb', userAgent), 'a\r\nb', 'existing CRLF must not acquire extra CR');
+  assert.equal(normalizeClipboardText('中文\t001\n\t002', userAgent), '中文\t001\r\n\t002');
+  assert.equal(normalizeClipboardText('single value', userAgent), 'single value');
+  assert.equal(normalizeClipboardText('', userAgent), '');
+}
+
+for (const userAgent of ['Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)', 'Mozilla/5.0 (X11; Linux x86_64)']) {
+  const text = '中文\t001\r\nvalue\nnext\rlast';
+  assert.equal(normalizeClipboardText(text, userAgent), text, 'non-Windows copy preserves the original text');
+}
+
+const rows = [['first\nsecond', 'value\twith tab'], ['CRLF\r\nvalue', 'CR\rvalue']];
+setInternalResultGridClipboard(rows);
+const windowsText = normalizeClipboardText(rows.map((row) => row.join('\t')).join('\n'), windowsAgents[0]);
+assert.deepEqual(getInternalResultGridClipboard(windowsText), rows, 'Windows paste retains original cell boundaries and values');
+assert.deepEqual(getInternalResultGridClipboard(windowsText.replace(/\r\n/g, '\n')), rows, 'browser LF normalization retains grid metadata');
+assert.equal(getInternalResultGridClipboard(`${windowsText}x`), null, 'different text must not reuse grid metadata');
+clearInternalClipboard();
+assert.equal(getInternalResultGridClipboard(windowsText), null);
+
+console.log('Clipboard text and Windows result-grid round-trip tests passed');

chat2db-community-client/src/utils/clipboardText.ts

@@ -0,0 +1,4 @@
+export function normalizeClipboardText(text: string, userAgent: string) {
+  // Windows text clipboard formats require CRLF, including for legacy native applications.
+  return /Windows|Win32|Win64/i.test(userAgent) ? text.replace(/\r\n|\r|\n/g, '\r\n') : text;
+}

chat2db-community-client/src/utils/index.ts

@@ -7,6 +7,7 @@ import queryString from 'query-string';
 import React from 'react';
 import { v4 as uuid } from 'uuid';
 import { isDesktop } from './env';
+import { normalizeClipboardText } from './clipboardText';
 import { clearInternalClipboard } from './internalClipboard';
 import { findNode } from './treeNodeLookup';
 
@@ -321,7 +322,7 @@ export function copyToClipboard(
       _copyToClipboard(' ', { format: 'text/plain' });
       return _copyToClipboard('', { format: 'text/plain' });
     }
-    return _copyToClipboard(text, { format: 'text/plain' });
+    return _copyToClipboard(normalizeClipboardText(text, navigator.userAgent), { format: 'text/plain' });
 
     // staticMessage.success('Copied to clipboard');
   } catch {

chat2db-community-client/src/utils/internalClipboard.ts

@@ -15,13 +15,13 @@ export function clearInternalClipboard() {
 
 export function setInternalResultGridClipboard(rows: string[][]) {
   internalResultGridClipboard = {
-    text: serializeGrid(rows),
+    text: serializeGrid(rows).replace(/\r\n?/g, '\n'),
     rows: rows.map((row) => [...row]),
   };
 }
 
 export function getInternalResultGridClipboard(text: string) {
-  if (internalResultGridClipboard?.text !== text) {
+  if (internalResultGridClipboard?.text !== text.replace(/\r\n?/g, '\n')) {
     return null;
   }
   return internalResultGridClipboard.rows.map((row) => [...row]);