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1## 1.5.4 (2025-09-18)
2
3### Bug fixes
4
5Support `this` parameters in function types.
6
7## 1.5.3 (2025-09-09)
8
9### Bug fixes
10
11Fix missing highlight tag for `defer` contextual keyword.
12
13## 1.5.2 (2025-09-04)
14
15### Bug fixes
16
17Allow `const` casts with old angle-bracket cast syntax.
18
19Add support for `import defer` syntax.
20
21## 1.5.1 (2025-04-18)
22
23### Bug fixes
24
25Properly highlight `satisfies` as a keyword.
26
27## 1.5.0 (2025-04-17)
28
29### Bug fixes
30
31Support `in`/`out` modifiers on TypeScript type parameters.
32
33### New features
34
35Support the TypeScript `satisfies` operator.
36
37## 1.4.21 (2024-12-03)
38
39### Bug fixes
40
41Add support for `const` modifiers on TypeScript type parameters.
42
43Allow TypeScript syntax, where the condition is just a variable.
44
45Fix a bug where some TypeScript `<` tokens didn't appear in the syntax tree.
46
47## 1.4.20 (2024-12-02)
48
49### Bug fixes
50
51Use the `className` style tag for variable names used as constructors with `new`.
52
53Add support for `asserts` syntax in function return types.
54
55## 1.4.19 (2024-10-08)
56
57### Bug fixes
58
59Support question marks after method names in TypeScript object type notation.
60
61Support bracketed property names in TypeScript object types.
62
63Allow TypeScript interface declarations to extend multiple types.
64
65## 1.4.18 (2024-09-17)
66
67### Bug fixes
68
69Support `as` syntax in mapped object types.
70
71Make sure the parser doesn't get confused when a template interpolation is missing its expression.
72
73## 1.4.17 (2024-06-11)
74
75### Bug fixes
76
77Add support for `{-readonly [K in T]-?: U}` TypeScript syntax.
78
79## 1.4.16 (2024-05-04)
80
81### Bug fixes
82
83Don't consume `?.` tokens when followed by a digit.
84
85Support type arguments on non-call expressions.
86
87## 1.4.15 (2024-04-23)
88
89### Bug fixes
90
91Add support for `new.target` syntax.
92
93## 1.4.14 (2024-03-30)
94
95### Bug fixes
96
97Recognize the `d` and `v` RegExp flags. Support destructured parameters in function types
98
99Allow destructured parameters in function signature types.
100
101## 1.4.13 (2024-01-16)
102
103### Bug fixes
104
105Fix inverted relative precedence of `&`, `|`, and `^` bitwise operators.
106
107Add an explicit dependency on @lezer/common ^1.2.0.
108
109## 1.4.12 (2024-01-04)
110
111### Bug fixes
112
113Mark strings, comments, and interpolations as isolating for bidirectional text.
114
115## 1.4.11 (2023-12-18)
116
117### Bug fixes
118
119In TSX mode, parse `<T,>` or `<T extends U>` as type parameters, not JSX tags.
120
121## 1.4.10 (2023-12-06)
122
123### Bug fixes
124
125Support `|` and `&` as prefixes in TypeScript types.
126
127## 1.4.9 (2023-10-30)
128
129### Bug fixes
130
131Allow `default` to be used in `import`/`export` binding sets.
132
133## 1.4.8 (2023-10-05)
134
135### Bug fixes
136
137Properly highlight `using` as a keyword.
138
139## 1.4.7 (2023-08-23)
140
141### Bug fixes
142
143Properly parse hashbang comments.
144
145## 1.4.6 (2023-08-22)
146
147### Bug fixes
148
149Make sure that, in TypeScript, type argument lists are prefered over comparison operators when both produce valid parses.
150
151## 1.4.5 (2023-07-25)
152
153### Bug fixes
154
155Allow the index in a TypeScript indexed type to be any kind of type.
156
157## 1.4.4 (2023-07-03)
158
159### Bug fixes
160
161Add support for `using` syntax.
162
163Make the package work with new TS resolution styles.
164
165## 1.4.3 (2023-04-24)
166
167### Bug fixes
168
169Properly parse `this: Type` within parameter lists for TypeScript.
170
171## 1.4.2 (2023-03-29)
172
173### Bug fixes
174
175Properly parse `declare` in front of class properties and methods in TypeScript.
176
177## 1.4.1 (2023-01-09)
178
179### Bug fixes
180
181Fix a bug where something like `yield [1]` (or `await`) was parsed as a member expression.
182
183Add support for `yield*` syntax.
184
185Escapes in strings are now parsed as their own tokens (and styled with the `escape` tag).
186
187## 1.4.0 (2022-12-19)
188
189### New features
190
191The new `"SingleClassItem"` top-level rule can be used to parse only a class item (method, property, or static block).
192
193## 1.3.2 (2022-12-14)
194
195### Bug fixes
196
197Typescript allows `override` on all class elements, not just methods.
198
199Allow expressions in class extends clauses in TypeScript.
200
201## 1.3.1 (2022-11-29)
202
203### Bug fixes
204
205Actually emit a tree node for the `@` characters in decorators.
206
207## 1.3.0 (2022-11-28)
208
209### New features
210
211Add support for decorator syntax.
212
213## 1.2.0 (2022-11-24)
214
215### New features
216
217The grammar now supports `top: "SingleExpression"` to parse an expression rather than a script.
218
219## 1.1.1 (2022-11-19)
220
221### Bug fixes
222
223Fix parsing of computed properties in class declarations.
224
225## 1.1.0 (2022-11-17)
226
227### Bug fixes
228
229Fix parsing of 'null' as type in TypeScript.
230
231Allow computed properties in object destructuring patterns.
232
233Add TypeScript 4.9's `satisfies` operator.
234
235Support `accessor` syntax on class properties.
236
237### New features
238
239Add support for optional call syntax.
240
241Distinguish lower-case JSX element names syntactically, give them a `standard(tagName)` highlight tag.
242
243## 1.0.2 (2022-07-21)
244
245### Bug fixes
246
247Properly assign a highlighting tag to the `super` keyword.
248
249## 1.0.1 (2022-06-27)
250
251### Bug fixes
252
253Fix parsing of TypeScript conditional types.
254
255Support type parameters in TypeScript function type syntax.
256
257## 1.0.0 (2022-06-06)
258
259### New features
260
261First stable version.
262
263## 0.16.0 (2022-04-20)
264
265### Breaking changes
266
267Move to 0.16 serialized parser format.
268
269### Bug fixes
270
271Allow commas as separators in TypeScript object type syntax.
272
273### New features
274
275Add `CatchClause` and `FinallyClause` nodes wrapping parts of `TryStatement`.
276
277The parser now includes syntax highlighting information in its node types.
278
279## 0.15.3 (2022-01-26)
280
281### Bug fixes
282
283Support missing values in array pattern syntax.
284
285Support quoted module export names.
286
287### New features
288
289Template string interpolations now get their own nodes in the syntax tree.
290
291## 0.15.2 (2021-12-08)
292
293### Bug fixes
294
295Fix a typo in the `TaggedTemplateExpression` node name. Support n suffixes after non-decimal integers
296
297Add support for non-decimal bignum literals ().
298
299Add support for static class initialization blocks.
300
301## 0.15.1 (2021-11-12)
302
303### Bug fixes
304
305Add support for TypeScript `import {type X} from y` syntax.
306
307Indexed TypeScript types can now take type parameters.
308
309Add support for private field syntax.
310
311Rename PropertyNameDefinition node to PropertyDefinition for consistency with other names.
312
313### New features
314
315Recognize TypeScript 4.3's `override` keyword.
316
317## 0.15.0 (2021-08-11)
318
319### Breaking changes
320
321The module's name changed from `lezer-javascript` to `@lezer/javascript`.
322
323Upgrade to the 0.15.0 lezer interfaces.
324
325## 0.13.4 (2021-04-30)
326
327### Bug fixes
328
329Fixes a bug where arrow functions with expression bodies would include commas after the expression.
330
331## 0.13.3 (2021-02-15)
332
333### Bug fixes
334
335Wrap escaped JSX attribute values in a `JSXEscape` node.
336
337## 0.13.2 (2021-01-18)
338
339### Bug fixes
340
341Fix parsing of async function expressions.
342
343## 0.13.1 (2020-12-04)
344
345### Bug fixes
346
347Fix versions of lezer packages depended on.
348
349## 0.13.0 (2020-12-04)
350
351## 0.12.0 (2020-10-23)
352
353### Breaking changes
354
355Adjust to changed serialized parser format.
356
357## 0.11.1 (2020-09-26)
358
359### Bug fixes
360
361Fix lezer depencency versions
362
363## 0.11.0 (2020-09-26)
364
365### Breaking changes
366
367Follow change in serialized parser format.
368
369## 0.10.1 (2020-09-02)
370
371### Bug fixes
372
373Fix associativity of `else` and ternary operators.
374
375Work around accidental ambiguity of TypeScript method and constructor signatures.
376
377Properly parse `??=` as an update operator.
378
379## 0.10.0 (2020-08-07)
380
381### Breaking changes
382
383Upgrade to 0.10 parser serialization
384
385### New features
386
387The gammar now supports TypeScript (use the `"ts"` dialect).
388
389The grammar can now parse JSX syntax (use the `"jsx"` dialect).
390
391## 0.9.1 (2020-06-29)
392
393### Bug fixes
394
395Fix accidental use of non-ES5 library methods.
396
397## 0.9.0 (2020-06-08)
398
399### Breaking changes
400
401Upgrade to 0.9 parser serialization
402
403## 0.8.4 (2020-05-30)
404
405### Bug fixes
406
407Fix the package.json `main` field pointing at the wrong file, breaking the library in node versions older than 13.
408
409## 0.8.3 (2020-04-09)
410
411### Bug fixes
412
413Regenerate parser with a fix in lezer-generator so that the top node prop is properly assigned.
414
415## 0.8.2 (2020-04-01)
416
417### Bug fixes
418
419Make the package load as an ES module on node
420
421## 0.8.1 (2020-02-28)
422
423### New features
424
425Provide an ES module file.
426
427## 0.8.0 (2020-02-03)
428
429### Bug fixes
430
431Add support for the spread ... operator in array literals.
432
433### New features
434
435Follow 0.8.0 release of the library.
436
437Add support for nullish coalescing and optional chaining.
438
439## 0.7.0 (2020-01-20)
440
441### Breaking changes
442
443Use the lezer 0.7.0 parser format.
444
445## 0.5.2 (2020-01-15)
446
447### Bug fixes
448
449Regenerate with lezer-generator 0.5.2 to avoid cyclic forced reductions.
450
451## 0.5.1 (2019-10-22)
452
453### Bug fixes
454
455Fix top prop missing from build output.
456
457## 0.5.0 (2019-10-22)
458
459### Breaking changes
460
461Move from `lang` to `top` prop on document node.
462
463## 0.4.0 (2019-09-10)
464
465### Breaking changes
466
467Adjust to 0.4.0 parse table format.
468
469## 0.3.0 (2019-08-22)
470
471### New features
472
473Go back to node names, add props, follow changes in grammar syntax.
474
475## 0.2.0 (2019-08-02)
476
477### New features
478
479Use tags rather than names.
480
481## 0.1.0 (2019-07-09)
482
483### New Features
484
485First documented release.