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@thi.ng/parse

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Purely functional parser combinators & AST generation for generic inputs

thi.ng/parse

thi-ng/umbrella

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# Change Log - **Last updated**: 2025-09-01T16:38:35Z - **Generator**: [thi.ng/monopub](https://thi.ng/monopub) All notable changes to this project will be documented in this file. Only versions published since **2022-01-01** are listed here. Please consult the Git history for older version information. See [Conventional Commits](https://conventionalcommits.org/) for commit guidelines. **Note:** Unlisted _patch_ versions only involve non-code or otherwise excluded changes and/or version bumps of transitive dependencies. ## [2.6.0](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.6.0) (2025-01-21) #### 🚀 Features - expose more built-in grammar presets ([6e5a057](https://github.com/thi-ng/umbrella/commit/6e5a057)) - expose as new builtins: - `BINARY_UINT` - `HEX_UINT` - `SPACE` - `UINT` #### ⏱ Performance improvements - optimize char selection grammar compilation ([0476baa](https://github.com/thi-ng/umbrella/commit/0476baa)) - check if char selection only contains characters (no ranges) - if so, compile using `oneOf()` instead of `alt()` (avoiding extra level of iteration) - update grammar rule compilation ([8341af6](https://github.com/thi-ng/umbrella/commit/8341af6)) - avoid `dynamic()` wrapper for grammar rules which don't require it (to avoid extraneous indirection) ## [2.5.0](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.5.0) (2025-01-17) #### 🚀 Features - update `DynamicParser`, add `IDeref` support ([cf0d51c](https://github.com/thi-ng/umbrella/commit/cf0d51c)) #### ♻️ Refactoring - remove `ParseState.last`, update `IReader` & impls ([20fc5cf](https://github.com/thi-ng/umbrella/commit/20fc5cf)) - remove `ParseState.last` to lower RAM usage - add `IReader.prev()` to obtain previous char, add docs - update reader impls - update anchor parsers - update tests - minor internal updates ([ef97aee](https://github.com/thi-ng/umbrella/commit/ef97aee)) - update `ParseContext.start()` - update `check()` combinator impl ### [2.4.64](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.4.64) (2025-01-14) #### ♻️ Refactoring - various minor updates ([42ce3f6](https://github.com/thi-ng/umbrella/commit/42ce3f6)) ### [2.4.52](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.4.52) (2024-08-29) #### ⏱ Performance improvements - update ParseState & ParseScope handling (result: 1.2-1.6x faster) ([c94b5cf](https://github.com/thi-ng/umbrella/commit/c94b5cf)) - refactor ParseState/Scope as data classes (keep same structure) - minor update scope transforms - update tests ### [2.4.43](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.4.43) (2024-06-21) #### ♻️ Refactoring - rename various rest args to be more semantically meaningful ([8088a56](https://github.com/thi-ng/umbrella/commit/8088a56)) - enforce uniform naming convention of internal functions ([56992b2](https://github.com/thi-ng/umbrella/commit/56992b2)) ### [2.4.5](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.4.5) (2023-11-09) #### ♻️ Refactoring - update all tests (packages A-S) ([e3085e4](https://github.com/thi-ng/umbrella/commit/e3085e4)) ## [2.4.0](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.4.0) (2023-09-19) #### 🚀 Features - add ParseContext.peakDepth, update recursion limit ([0a2b7db](https://github.com/thi-ng/umbrella/commit/0a2b7db)) ## [2.3.0](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.3.0) (2023-09-06) #### 🚀 Features - add altS() combinator ([52c76ca](https://github.com/thi-ng/umbrella/commit/52c76ca)) ## [2.2.0](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.2.0) (2022-06-15) #### 🚀 Features - add new transformers (json, numbers) ([2087131](https://github.com/thi-ng/umbrella/commit/2087131)) - add xfJson(), json() transform - add int(), hexInt(), float() transform syntax sugar - add `json` as built-in tx for grammar ### [2.1.8](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.1.8) (2022-06-09) #### ♻️ Refactoring - various (minor) TS4.7 related updates/fixes ([9d9ecae](https://github.com/thi-ng/umbrella/commit/9d9ecae)) ### [2.1.5](https://github.com/thi-ng/umbrella/tree/@thi.ng/parse@2.1.5) (2022-03-11) #### ♻️ Refactoring - add type hint (TS4.6) ([6cd42e8](https://github.com/thi-ng/umbrella/commit/6cd42e8))