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1## 6.12.2 (2026-02-25)
2
3### Bug fixes
4
5Make sure brackets are highlighted in the initial editor state.
6
7Pause bracket matching updates during composition, to avoid disrupting Mobile Safari's fragile composition handling.
8
9## 6.12.1 (2025-12-22)
10
11### Bug fixes
12
13Improve finding inner language in syntax tree when the nested parse has been marked as bracketed.
14
15## 6.11.3 (2025-08-15)
16
17### Bug fixes
18
19Make the stream parser user 4 times smaller chunks to reduce the amount of re-parsed code on changes.
20
21## 6.11.2 (2025-06-27)
22
23### Bug fixes
24
25Make sure folded ranges open when backspacing or deleting into them.
26
27## 6.11.1 (2025-06-02)
28
29### Bug fixes
30
31Fix an issue where indentation would sometimes miss nodes in mixed-language situations.
32
33## 6.11.0 (2025-03-13)
34
35### New features
36
37Stream parsers now support a `mergeTokens` option that can be used to turn off automatic merging of adjacent tokens.
38
39## 6.10.8 (2024-12-23)
40
41### Bug fixes
42
43Fix a regression introduced 6.10.7 that caused indention to sometimes crash on nested language boundaries.
44
45## 6.10.7 (2024-12-17)
46
47### Bug fixes
48
49Fix an issue where indentation for a stream language would fail to work when the parse covered only part of the document, far from the start.
50
51Make sure the inner mode gets a chance to indent when indenting right at the end of a nested language section.
52
53## 6.10.6 (2024-11-29)
54
55### Bug fixes
56
57Fix a crash in `StreamLanguage` when the input range is entirely before the editor viewport.
58
59## 6.10.5 (2024-11-27)
60
61### Bug fixes
62
63Fix an issue where a `StreamLanguage` could get confused when trying to reuse existing parse data when the parsed range changed.
64
65## 6.10.4 (2024-11-24)
66
67### Bug fixes
68
69Join adjacent tokens of the same type into a single token in .
70
71Call stream language indent functions even when the language is used as a nested parser.
72
73Fix a crash in `StreamParser` when a parse was resumed with different input ranges.
74
75## 6.10.3 (2024-09-19)
76
77### Bug fixes
78
79Fix a TypeScript error when using `HighlightStyle` with the `exactOptionalPropertyTypes` typechecking option enabled.
80
81Make `delimitedIndent` align to spaces after the opening token.
82
83## 6.10.2 (2024-06-03)
84
85### Bug fixes
86
87Fix an infinite loop that could occur when enabling `bidiIsolates` in documents with both bidirectional text and very long lines.
88
89## 6.10.1 (2024-02-02)
90
91### Bug fixes
92
93Fix an issue where, when a lot of code is visible in the initial editor, the bottom bit of code is shown without highlighting for one frame.
94
95## 6.10.0 (2023-12-28)
96
97### New features
98
99The new `bidiIsolates` extension can be used to wrap syntactic elements where this is appropriate in an element that isolates their text direction, avoiding weird ordering of neutral characters on direction boundaries.
100
101## 6.9.3 (2023-11-27)
102
103### Bug fixes
104
105Fix an issue in `StreamLanguage` where it ran out of node type ids if you repeatedly redefined a language with the same token table.
106
107## 6.9.2 (2023-10-24)
108
109### Bug fixes
110
111Allow `StreamParser` tokens get multiple highlighting tags.
112
113## 6.9.1 (2023-09-20)
114
115### Bug fixes
116
117Indentation now works a lot better in mixed-language documents that interleave the languages in a complex way.
118
119Code folding is now able to pick the right foldable syntax node when the line end falls in a mixed-parsing language that doesn't match the target node.
120
121## 6.9.0 (2023-08-16)
122
123### Bug fixes
124
125Make `getIndentation` return null, rather than 0, when there is no syntax tree available.
126
127### New features
128
129The new `preparePlaceholder` option to `codeFolding` makes it possible to display contextual information in a folded range placeholder widget.
130
131## 6.8.0 (2023-06-12)
132
133### New features
134
135The new `baseIndentFor` method in `TreeIndentContext` can be used to find the base indentation for an arbitrary node.
136
137## 6.7.0 (2023-05-19)
138
139### New features
140
141Export `DocInput` class for feeding editor documents to a Lezer parser.
142
143## 6.6.0 (2023-02-13)
144
145### New features
146
147Syntax-driven language data queries now support sublanguages, which make it possible to return different data for specific parts of the tree produced by a single language.
148
149## 6.5.0 (2023-02-07)
150
151### Bug fixes
152
153Make indentation for stream languages more reliable by having `StringStream.indentation` return overridden indentations from the indent context.
154
155### New features
156
157The `toggleFold` command folds or unfolds depending on whether there's an existing folded range on the current line.
158
159`indentUnit` now accepts any (repeated) whitespace character, not just spaces and tabs.
160
161## 6.4.0 (2023-01-12)
162
163### New features
164
165The `bracketMatchingHandle` node prop can now be used to limit bracket matching behavior for larger nodes to a single subnode (for example the tag name of an HTML tag).
166
167## 6.3.2 (2022-12-16)
168
169### Bug fixes
170
171Fix a bug that caused `ensureSyntaxTree` to return incomplete trees when using a viewport-aware parser like `StreamLanguage`.
172
173## 6.3.1 (2022-11-14)
174
175### Bug fixes
176
177Make syntax-based folding include syntax nodes that start right at the end of a line as potential fold targets.
178
179Fix the `indentService` protocol to allow a distinction between declining to handle the indentation and returning null to indicate the line has no definite indentation.
180
181## 6.3.0 (2022-10-24)
182
183### New features
184
185`HighlightStyle` objects now have a `specs` property holding the tag styles that were used to define them.
186
187`Language` objects now have a `name` field holding the language name.
188
189## 6.2.1 (2022-07-21)
190
191### Bug fixes
192
193Fix a bug where `bracketMatching` would incorrectly match nested brackets in syntax trees that put multiple pairs of brackets in the same parent node.
194
195Fix a bug that could cause `indentRange` to loop infinitely.
196
197## 6.2.0 (2022-06-30)
198
199### Bug fixes
200
201Fix a bug that prevented bracket matching to recognize plain brackets inside a language parsed as an overlay.
202
203### New features
204
205The `indentRange` function provides an easy way to programatically auto-indent a range of the document.
206
207## 6.1.0 (2022-06-20)
208
209### New features
210
211The `foldState` field is now public, and can be used to serialize and deserialize the fold state.
212
213## 6.0.0 (2022-06-08)
214
215### New features
216
217The `foldingChanged` option to `foldGutter` can now be used to trigger a recomputation of the fold markers.
218
219## 0.20.2 (2022-05-20)
220
221### Bug fixes
222
223List style-mod as a dependency.
224
225## 0.20.1 (2022-05-18)
226
227### Bug fixes
228
229Make sure `all` styles in the CSS generated for a `HighlightStyle` have a lower precedence than the other rules defined for the style. Use a shorthand property
230
231## 0.20.0 (2022-04-20)
232
233### Breaking changes
234
235`HighlightStyle.get` is now called `highlightingFor`.
236
237`HighlightStyles` no longer function as extensions (to improve tree shaking), and must be wrapped with `syntaxHighlighting` to add to an editor configuration.
238
239`Language` objects no longer have a `topNode` property.
240
241### New features
242
243`HighlightStyle` and `defaultHighlightStyle` from the now-removed @codemirror/highlight package now live in this package.
244
245The new `forceParsing` function can be used to run the parser forward on an editor view.
246
247The exports that used to live in @codemirror/matchbrackets are now exported from this package.
248
249The @codemirror/fold package has been merged into this one.
250
251The exports from the old @codemirror/stream-parser package now live in this package.
252
253## 0.19.10 (2022-03-31)
254
255### Bug fixes
256
257Autocompletion may now also trigger automatic indentation on input.
258
259## 0.19.9 (2022-03-30)
260
261### Bug fixes
262
263Make sure nodes that end at the end of a partial parse aren't treated as valid fold targets.
264
265Fix an issue where the parser sometimes wouldn't reuse parsing work done in the background on transactions.
266
267## 0.19.8 (2022-03-03)
268
269### Bug fixes
270
271Fix an issue that could cause indentation logic to use the wrong line content when indenting multiple lines at once.
272
273## 0.19.7 (2021-12-02)
274
275### Bug fixes
276
277Fix an issue where the parse worker could incorrectly stop working when the parse tree has skipped gaps in it.
278
279## 0.19.6 (2021-11-26)
280
281### Bug fixes
282
283Fixes an issue where the background parse work would be scheduled too aggressively, degrading responsiveness on a newly-created editor with a large document.
284
285Improve initial highlight for mixed-language editors and limit the amount of parsing done on state creation for faster startup.
286
287## 0.19.5 (2021-11-17)
288
289### New features
290
291The new function `syntaxTreeAvailable` can be used to check if a fully-parsed syntax tree is available up to a given document position.
292
293The module now exports `syntaxParserRunning`, which tells you whether the background parser is still planning to do more work for a given editor view.
294
295## 0.19.4 (2021-11-13)
296
297### New features
298
299`LanguageDescription.of` now takes an optional already-loaded extension.
300
301## 0.19.3 (2021-09-13)
302
303### Bug fixes
304
305Fix an issue where a parse that skipped content with `skipUntilInView` would in some cases not be restarted when the range came into view.
306
307## 0.19.2 (2021-08-11)
308
309### Bug fixes
310
311Fix a bug that caused `indentOnInput` to fire for the wrong kinds of transactions.
312
313Fix a bug that could cause `indentOnInput` to apply its changes incorrectly.
314
315## 0.19.1 (2021-08-11)
316
317### Bug fixes
318
319Fix incorrect versions for @lezer dependencies.
320
321## 0.19.0 (2021-08-11)
322
323### Breaking changes
324
325CodeMirror now uses lezer 0.15, which means different package names (scoped with @lezer) and some breaking changes in the library.
326
327`EditorParseContext` is now called `ParseContext`. It is no longer passed to parsers, but must be retrieved with `ParseContext.get`.
328
329`IndentContext.lineIndent` now takes a position, not a `Line` object, as argument.
330
331`LezerLanguage` was renamed to `LRLanguage` (because all languages must emit Lezer-style trees, the name was misleading).
332
333`Language.parseString` no longer exists. You can just call `.parser.parse(...)` instead.
334
335### New features
336
337New `IndentContext.lineAt` method to access lines in a way that is aware of simulated line breaks.
338
339`IndentContext` now provides a `simulatedBreak` property through which client code can query whether the context has a simulated line break.
340
341## 0.18.2 (2021-06-01)
342
343### Bug fixes
344
345Fix an issue where asynchronous re-parsing (with dynamically loaded languages) sometimes failed to fully happen.
346
347## 0.18.1 (2021-03-31)
348
349### Breaking changes
350
351`EditorParseContext.getSkippingParser` now replaces `EditorParseContext.skippingParser` and allows you to provide a promise that'll cause parsing to start again. (The old property remains available until the next major release.)
352
353### Bug fixes
354
355Fix an issue where nested parsers could see past the end of the nested region.
356
357## 0.18.0 (2021-03-03)
358
359### Breaking changes
360
361Update dependencies to 0.18.
362
363### Breaking changes
364
365The `Language` constructor takes an additional argument that provides the top node type.
366
367### New features
368
369`Language` instances now have a `topNode` property giving their top node type.
370
371`TreeIndentContext` now has a `continue` method that allows an indenter to defer to the indentation of the parent nodes.
372
373## 0.17.5 (2021-02-19)
374
375### New features
376
377This package now exports a `foldInside` helper function, a fold function that should work for most delimited node types.
378
379## 0.17.4 (2021-01-15)
380
381## 0.17.3 (2021-01-15)
382
383### Bug fixes
384
385Parse scheduling has been improved to reduce the likelyhood of the user looking at unparsed code in big documents.
386
387Prevent parser from running too far past the current viewport in huge documents.
388
389## 0.17.2 (2021-01-06)
390
391### New features
392
393The package now also exports a CommonJS module.
394
395## 0.17.1 (2020-12-30)
396
397### Bug fixes
398
399Fix a bug where changing the editor configuration wouldn't update the language parser used.
400
401## 0.17.0 (2020-12-29)
402
403### Breaking changes
404
405First numbered release.
406