Diffdown is a real-time collaborative Markdown editor/previewer built on the AT Protocol diffdown.com

6.6.0 (2026-01-13)#

New features#

Search queries now support a generic test field that can be used to implement custom tests on matches.

6.5.11 (2025-05-14)#

Bug fixes#

Fix an issue in replaceNext that could cause it to create an invalid selection when replacing past the end of the document.

6.5.10 (2025-02-26)#

Bug fixes#

Add a close button to the gotoLine panel.

6.5.9 (2025-02-12)#

Bug fixes#

When replacing a regexp match, don't expand multi-digit replacement markers to numbers beyond the captured group count in the query.

6.5.8 (2024-11-22)#

Bug fixes#

Fix a bug that put the selection in the wrong place after running replaceNext with a regexp query that could match strings of different length.

6.5.7 (2024-11-01)#

Bug fixes#

Fix an issue where findNext and findPrevious would do nothing when the only match in the document was partially selected.

Fix an infinite loop in SearchCursor when the normalizer function deletes characters.

6.5.6 (2024-02-07)#

Bug fixes#

Make highlightSelectionMatches include whitespace in the selection in its matches.

Fix a bug that caused SearchCursor to return invalid ranges when matching astral chars that the the normalizer normalized to single-code-unit chars.

6.5.5 (2023-11-27)#

Bug fixes#

Fix a bug that caused codes like \n to be unescaped in strings inserted via replace placeholders like $&.

Use the keybinding Mod-Alt-g for gotoLine to the search keymap, to make it usable for people whose keyboard layout uses Alt/Option-g to type some character.

6.5.4 (2023-09-20)#

Bug fixes#

Fix a bug that caused whole-word search to incorrectly check for word boundaries in some circumstances.

6.5.3 (2023-09-14)#

Bug fixes#

The gotoLine dialog is now populated with the current line number when you open it.

6.5.2 (2023-08-26)#

Bug fixes#

Don't use the very lowest precedence for match highlighting decorations.

6.5.1 (2023-08-04)#

Bug fixes#

Make gotoLine prefer to scroll the target line to the middle of the view.

Fix an issue in SearchCursor where character normalization could produce nonsensical matches.

6.5.0 (2023-06-05)#

New features#

The new regexp option to search can be used to control whether queries have the regexp flag on by default.

6.4.0 (2023-04-25)#

Bug fixes#

The findNext and findPrevious commands now select the search field text if that field is focused.

New features#

The scrollToMatch callback option now receives the editor view as a second parameter.

6.3.0 (2023-03-20)#

New features#

The new scrollToMatch search option allows you to adjust the way the editor scrolls search matches into view.

6.2.3 (2022-11-14)#

Bug fixes#

Fix a bug that hid the search dialog's close button when the editor was read-only.

6.2.2 (2022-10-18)#

Bug fixes#

When literal is off, \n, \r, and \t escapes are now also supported in replacement text.

Make sure search dialog inputs don't get treated as form fields when the editor is created inside a form.

Fix a bug in RegExpCursor that would cause it to stop matching in the middle of a line when its current match position was equal to the length of the line.

6.2.1 (2022-09-26)#

Bug fixes#

By-word search queries will now skip any result that had word characters both before and after a match boundary.

6.2.0 (2022-08-25)#

New features#

A new wholeWord search query flag can be used to limit matches to whole words.

SearchCursor and RegExpCursor now support a test parameter that can be used to ignore certain matches.

6.1.0 (2022-08-16)#

Bug fixes#

Fix an infinite loop when the match position of a RegExpCursor ended up in the middle of an UTF16 surrogate pair.

New features#

The literal search option can now be set to make literal queries the default.

The new searchPanelOpen function can be used to find out whether the search panel is open for a given state.

6.0.1 (2022-07-22)#

Bug fixes#

findNext and findPrevious will now return to the current result (and scroll it into view) if no other matches are found.

6.0.0 (2022-06-08)#

Bug fixes#

Don't crash when a custom search panel doesn't have a field named 'search'.

Make sure replacements are announced to screen readers.

0.20.1 (2022-04-22)#

New features#

It is now possible to disable backslash escapes in search queries with the literal option.

0.20.0 (2022-04-20)#

Bug fixes#

Make the wholeWords option to highlightSelectionMatches default to false, as intended.

0.19.10 (2022-04-04)#

Bug fixes#

Make sure search matches are highlighted when scrolling new content into view.

0.19.9 (2022-03-03)#

New features#

The selection-matching extension now accepts a wholeWords option that makes it only highlight matches that span a whole word. Add SearchQuery.getCursor

The SearchQuery class now has a getCursor method that allows external code to create a cursor for the query.

0.19.8 (2022-02-14)#

Bug fixes#

Fix a bug that caused the search panel to start open when configuring a state with the search() extension.

0.19.7 (2022-02-14)#

Breaking changes#

searchConfig is deprecated in favor of search (but will exist until next major release).

New features#

The new search function is now used to enable and configure the search extension.

0.19.6 (2022-01-27)#

Bug fixes#

Make selectNextOccurrence scroll the newly selected range into view.

0.19.5 (2021-12-16)#

Breaking changes#

The search option matchCase was renamed to caseSensitive (the old name will continue to work until the next breaking release).

Bug fixes#

openSearchPanel will now update the search query to the current selection even if the panel was already open.

New features#

Client code can now pass a custom search panel creation function in the search configuration.

The getSearchQuery function and setSearchQuery effect can now be used to inspect or change the current search query.

0.19.4 (2021-12-02)#

Bug fixes#

The search panel will no longer show the replace interface when the editor is read-only.

0.19.3 (2021-11-22)#

Bug fixes#

Add userEvent annotations to search and replace transactions.

Make sure the editor handles keys bound to findNext/findPrevious even when there are no matches, to avoid the browser's search interrupting users.

New features#

Add a Symbol.iterator property to the cursor types, so that they can be used with for/of.

0.19.2 (2021-09-16)#

Bug fixes#

selectNextOccurrence will now only select partial words if the current main selection hold a partial word.

Explicitly set the button's type to prevent the browser from submitting forms wrapped around the editor.

0.19.1 (2021-09-06)#

Bug fixes#

Make highlightSelectionMatches not produce overlapping decorations, since those tend to just get unreadable.

Make sure any existing search text is selected when opening the search panel. Add search config option to not match case when search panel is opened (#4)

New features#

The searchConfig function now takes a matchCase option that controls whether the search panel starts in case-sensitive mode.

0.19.0 (2021-08-11)#

Bug fixes#

Make sure to prevent the native Mod-d behavior so that the editor doesn't lose focus after selecting past the last occurrence.

0.18.4 (2021-05-27)#

New features#

Initialize the search query to the current selection, when there is one, when opening the search dialog.

Add a searchConfig function, supporting an option to put the search panel at the top of the editor.

0.18.3 (2021-05-18)#

Bug fixes#

Fix a bug where the first search command in a new editor wouldn't properly open the panel.

New features#

New command selectNextOccurrence that selects the next occurrence of the selected word (bound to Mod-d in the search keymap).

0.18.2 (2021-03-19)#

Bug fixes#

The search interface and cursor will no longer include overlapping matches (aligning with what all other editors are doing).

New features#

The package now exports a RegExpCursor which is a search cursor that matches regular expression patterns.

The search/replace interface now allows the user to use regular expressions.

The SearchCursor class now has a nextOverlapping method that includes matches that start inside the previous match.

Basic backslash escapes (\n, \r, \t, and \) are now accepted in string search patterns in the UI.

0.18.1 (2021-03-15)#

Bug fixes#

Fix an issue where entering an invalid input in the goto-line dialog would submit a form and reload the page.

0.18.0 (2021-03-03)#

Breaking changes#

Update dependencies to 0.18.

0.17.1 (2021-01-06)#

New features#

The package now also exports a CommonJS module.

0.17.0 (2020-12-29)#

Breaking changes#

First numbered release.