fix(commands): remove new lines command improve: add spaces

Author: stdword

src/app.ts

@@ -17,7 +17,7 @@ import {
     joinAsSentences_Map, joinViaCommas_Attach, joinViaSpaces_Attach,
     joinViaNewLines_Attach, joinViaNewLines_Map,
 
-    splitByLines, splitBySentences, splitByWords,
+    splitByLines, splitBySentences, splitByWords, removeNewLinesCommand,
 } from './commands'
 import { improveCursorMovement_KeyDownListener, improveSearch_KeyDownListener } from './features'
 import { getChosenBlocks, p, scrollToBlock } from './utils'
@@ -218,7 +218,7 @@ async function main() {
         label: ICON + ' Remove new lines', key: 'mc-6-update-1-remove-new-lines',
         // @ts-expect-error
         keybinding: {},
-    }, (e) => updateBlocksCommand((content, level, block, parent) => content.replaceAll('\n', '')))
+    }, (e) => removeNewLinesCommand())
 
 
     // Navigation

src/commands.ts

@@ -908,3 +908,12 @@ export async function updateBlocksCommand(
         await logseq.Editor.exitEditingMode()
     }
 }
+
+export function removeNewLinesCommand() {
+    return updateBlocksCommand((content, level, block, parent) => {
+        return content
+            .replaceAll(/\n+/g, '\n')
+            .replaceAll(/(?<=[^\S\n])\n/g, '')  // remove \n when there are spaces before
+            .replaceAll(/(?<![^\S])\n/g, ' ')   // replace \n to space when there are no spaces before
+    })
+}