v3.0.0-beta-10

What's Changed

• Remove Data member from PropertyKind and make it non-Flags by @lahma in #349
• Update GitHub Actions checkout to v3 by @lahma in #352
• Update test suite and add excluded features by @lahma in #355
• Support accessor keyword in class properties by @jogibear9988 in #353
• Fix minor issues related to class auto accessors by @adams85 in #360
• Class and import related parsing fixes by @jogibear9988 in #356
• Implement top-level await in modules feature by @adams85 in #361
• Additional improvements to class parsing by @adams85 in #362
• Fix super access related problems by @lahma in #363
• Support ES2015/Unicode15.0 identifiers by @lahma in #366
• Add more class parsing validation by @lahma in #367
• Fix AST to JavaScript bug in the parenthesizing logic of ForStatement by @adams85 in #369

Full Changelog: v3.0.0-beta-9...v3.0.0-beta-10

v3.0.0-beta-9

What's Changed

• Fix AOT-related issues by reverting to per-instance cached delegates in JavaScriptParser by @adams85 in #346
• Revise usage of string operations which are culture-sensitive by default by @Xicy in #347
• Allow end users to directly instantiate Scanner using a ParserOptions instance by @adams85 in #348

Full Changelog: v3.0.0-beta-8...v3.0.0-beta-9

v3.0.0-beta-8

What's Changed

• Add SkipLocalsInit attribute by @lahma in #339
• Improve Character method performance by @lahma in #340
• Upgrade testing libraries and sync test262 commit with Jint by @lahma in #341
• Add support for RegEx d and v flags by @lahma in #343

Full Changelog: v3.0.0.0-beta-7...v3.0.0-beta-8

v3.0.0-beta-7

What's Changed

• Allow end users to observe JSX token's value by @adams85 in #331
• A few additional minor corrections by @adams85 in #333
• Update and enhance sample project by @adams85 in #334
• Allow attaching user-defined data to nodes without dictionary lookup by @adams85 in #338

Full Changelog: v3.0.0-beta-6...v3.0.0.0-beta-7

v3.0.0-beta-6

This release contains (hopefully) the final parser API and some performance improvements.

What's Changed

• Clean up string matcher output in cases where no single-character discriminator exists by @adams85 in #325
• Revision of parser public API by @adams85 in #327
• Minor code quality/consistency improvements by @adams85 in #329
• Improve Token layout and reduce stack frame size for hot paths by @lahma in #328

Full Changelog: v3.0.0-beta-5...v3.0.0-beta-6

v3.0.0-beta-5

This was a release focusing on reducing allocations and improving performance. Below you can see difference to earlier beta.

BenchmarkDotNet=v0.13.1, OS=Windows 10.0.22621
AMD Ryzen 9 5950X, 1 CPU, 32 logical and 16 physical cores
.NET SDK=6.0.400
  [Host]    : .NET 6.0.8 (6.0.822.36306), X64 RyuJIT
  MediumRun : .NET 6.0.8 (6.0.822.36306), X64 RyuJIT

Job=MediumRun  IterationCount=15  LaunchCount=2  
WarmupCount=10  

Method	NuGetReferences	FileName	Mean	Error	StdDev	Median	Gen 0	Gen 1	Gen 2	Allocated
ParseProgram	Esprima 3.0.0-beta-4	angular-1.2.5	11.346 ms	0.1194 ms	0.1750 ms	11.416 ms	890.6250	390.6250	-	14,694 KB
ParseProgram	Esprima 3.0.0-beta-5	angular-1.2.5	9.905 ms	0.0482 ms	0.0707 ms	9.927 ms	250.0000	109.3750	-	4,320 KB
ParseProgram	Esprima 3.0.0-beta-4	backbone-1.1.0	1.302 ms	0.0119 ms	0.0175 ms	1.305 ms	142.5781	70.3125	-	2,336 KB
ParseProgram	Esprima 3.0.0-beta-5	backbone-1.1.0	1.345 ms	0.0118 ms	0.0166 ms	1.343 ms	41.0156	15.6250	-	679 KB
ParseProgram	Esprima 3.0.0-beta-4	jquery-1.9.1	8.765 ms	0.0731 ms	0.1095 ms	8.764 ms	781.2500	359.3750	-	12,845 KB
ParseProgram	Esprima 3.0.0-beta-5	jquery-1.9.1	7.716 ms	0.0410 ms	0.0613 ms	7.715 ms	226.5625	78.1250	-	3,769 KB
ParseProgram	Esprima 3.0.0-beta-4	jquery.mobile-1.4.2	15.584 ms	0.1786 ms	0.2618 ms	15.428 ms	1218.7500	593.7500	62.5000	20,092 KB
ParseProgram	Esprima 3.0.0-beta-5	jquery.mobile-1.4.2	11.843 ms	0.0340 ms	0.0509 ms	11.846 ms	343.7500	171.8750	-	5,803 KB
ParseProgram	Esprima 3.0.0-beta-4	mootools-1.4.5	6.716 ms	0.0100 ms	0.0141 ms	6.715 ms	640.6250	304.6875	-	10,564 KB
ParseProgram	Esprima 3.0.0-beta-5	mootools-1.4.5	6.277 ms	0.0070 ms	0.0104 ms	6.278 ms	187.5000	85.9375	-	3,094 KB
ParseProgram	Esprima 3.0.0-beta-4	underscore-1.5.2	1.070 ms	0.0056 ms	0.0083 ms	1.071 ms	123.0469	46.8750	-	2,033 KB
ParseProgram	Esprima 3.0.0-beta-5	underscore-1.5.2	1.134 ms	0.0098 ms	0.0144 ms	1.127 ms	33.2031	15.6250	-	573 KB
ParseProgram	Esprima 3.0.0-beta-4	yui-3.12.0	6.116 ms	0.0329 ms	0.0492 ms	6.121 ms	585.9375	257.8125	-	9,665 KB
ParseProgram	Esprima 3.0.0-beta-5	yui-3.12.0	5.697 ms	0.0111 ms	0.0163 ms	5.693 ms	171.8750	85.9375	-	2,860 KB

What's Changed

• Create explicit Token constructors, Token and Marker as struct by @lahma in #236
• Change FileParsingBenchmark to use parsing defaults by @lahma in #308
• Remove invalid hash addition to private identifier name by @lahma in #309
• Refinements around tokens and comments by @adams85 in #310
• Minor improvements to AST by @adams85 in #311
• Improve ToString() formatting in Range and Location by @adams85 in #312
• Reduce memory allocations in JavaScriptParser by @lahma in #313
• Support ROS input and returning matched string in StringMatcher by @lahma in #315
• Clean up generation logic and output of StringMatcher by @adams85 in #317
• Further parser optimizations by @adams85 in #318
• Fix bracketing of optional chaining expressions in AstToJavascriptConverter by @adams85 in #320
• Improve StringMatcher generated code performance by @lahma in #319
• Implement string pooling in scanner/parser by @adams85 in #314
• Implement Parse/TryParse in Range, Position and Location by @adams85 in #323
• Use separate StringMatcher for TryGetInternedString by @lahma in #324

Full Changelog: v3.0.0-beta-4...v3.0.0-beta-5

v3.0.0-beta-4

What's Changed

• Finalize AST for v3.0 (part 2) by @adams85 in #295
• Add AsSpan and AsMemory to NodeList by @adams85 in #296
• Code style/formatting improvements by @adams85 in #297
• Add .git-blame-ignore-revs by @adams85 in #298
• Fixes a few bugs in parser (#292) by @adams85 in #299
• Revise API for attaching additional data to nodes by @adams85 in #301
• JavaScriptParser collects comments if options.Comments is true. by @rohan-warang in #178
• Clean up comment parsing and implement comment writing by @adams85 in #302
• Fix a few minor issues around visitors by @adams85 in #304
• Implement AST to Javascript for JSX by @adams85 in #305
• Make letter casing of "JavaScript" consistent in code by @adams85 in #306
• Small cleanup and latest Test262Harness by @lahma in #307

New Contributors

• @rohan-warang made their first contribution in #178

Full Changelog: v3.0.0-beta-3...v3.0.0-beta-4

v3.0.0-beta-3

What's Changed

• Run test262 diff on PR, update GitHubActionsTestLogger by @lahma in #276
• Provide a way for inheritors to dispatch visitation of their custom nodes to AstVisitor.VisitExtension by @adams85 in #278
• Add a general purpose field for associating additional data/context with Node by @adams85 in #283
• Add public methods for converting operators back to tokens by @adams85 in #285
• Move max assignment depth into the parser options by @CharlieEriksen in #287
• Revise Node.ChildNodes by @adams85 in #284
• Fix enumeration/visitiation of reused node instances by @adams85 in #289
• Rewrite ChildNodesEnumerationHelpersGenerator into incremental generator to improve performance by @adams85 in #290
• Create StringMatcherGenerator by @lahma in #293
• Bump Newtonsoft.Json from 12.0.3 to 13.0.1 in /test/Esprima.Tests by @dependabot in #280
• Bump Newtonsoft.Json from 12.0.3 to 13.0.1 in /samples/Esprima.Sample by @dependabot in #281
• Use StringMatcherGenerator in JavascriptParser by @lahma in #294
• Convert to js by @jogibear9988 in #291

New Contributors

• @CharlieEriksen made their first contribution in #287
• @dependabot made their first contribution in #280

Full Changelog: v3.0.0-beta-2...v3.0.0-beta-3

v3.0.0-beta-2

What's Changed

• Add hashbang support by @lahma in #246
• Use GitHubActionsTestLogger by @lahma in #247
• Update GitHubActionsTestLogger to latest preview by @lahma in #249
• Fix DescendantNodes to cope with null nodes by @lahma in #250
• JsxElement ChildNodes nullability and Ancestor node nullability fix by @Xicy in #251
• Astvisitor updated for changing ast by @Xicy in #243
• fixed TemplateLiteral ChildNodes order by @Xicy in #252
• Revision of the API for visiting and changing AST by @adams85 in #253
• Treat warnings as errors in test project by @lahma in #256
• Import Assertions implementation by @Xicy in #254
• Decorators support by @Xicy in #259
• Fix escaped unicode characters in get set property by @Xicy in #260
• Refactor JSX parsing into an isolated extension on top of standard JS parsing by @adams85 in #258
• Minor build-related improvements by @adams85 in #261
• Test262 build process improvement by @adams85 in #262
• Update AstJson by @adams85 in #257
• Minor corrections to AST by @adams85 in #263
• Fix bug in UpdateWith methods by @adams85 in #269
• Improve test compatibility by @adams85 in #268
• Change fields to properties in AST public API by @adams85 in #270
• Fix Node.ChildNodes inconsistencies by @adams85 in #271
• Fix incorrect range and location of dynamic import expressions by @adams85 in #272
• Finalize AST API for v3.0 by @adams85 in #273
• Sort VisitXXX methods alphabetically by @adams85 in #274

Full Changelog: v3.0.0-beta-1...v3.0.0-beta-2

3.0.0 beta 1

What's Changed

• Upgrade to official NUnit + use net462 by @lahma in #231
• Fix some class private identifier parsing issues by @lahma in #233
• Replace hasProto token with ref bool by @lahma in #234
• Fix some numeric parsing related issues by @lahma in #232
• Update staging.yml by @lahma in #235
• ImportDeclarationSpecifier AST correction by @adams85 in #238
• AstVisitor corrections by @adams85 in #239
• Use preview-GITHUB_RUN_NUMBER for MyGet feed version by @lahma in #237
• Change TryStatement's Block and Finalizer to concrete BlockStatement by @lahma in #241
• Implemented JSX Parser by @Xicy in #240
• Seal classes, enable implicit usings and fix compilation warnings by @lahma in #244
• Allow supplying match timeout to regex by @lahma in #242
• Fix import.meta support by @lahma in #245

New Contributors

• @Xicy made their first contribution in #240

Full Changelog: v2.1.3...v3.0.0-beta-1