bun lint, bun fmt: the first run, oxlint's order, Prettier's Tailwind plugin, native JavaScript plugins, a faster Bun.Glob

.gitattributes

@@ -27,6 +27,12 @@ test/cli/format/own/cases/** -text
 # Compared line by line with what a runner prints, which ends a line with \n on every system.
 test/cli/format/*/expected.txt text eol=lf
 test/cli/lint/conformance/expected*.txt text eol=lf
+# Embedded in the executable, which splits them at \n.
+src/lint/linter/config/presets.txt text eol=lf
+src/lint/linter/deprecated.txt text eol=lf
+src/lint/linter/schema/schemas.txt text eol=lf
+src/lint/oxlint_help.txt text eol=lf
+src/sema/messages.txt text eol=lf
 
 *.lockb binary diff=lockb
 

.prettierignore

@@ -16,6 +16,8 @@ scripts/build/xmac.mjs
 
 # the output codeblocks need to stay minified
 docs/bundler/minifier.mdx
+# Prettier would reformat the code examples, and test/cli/lint/rule-docs.test.ts runs them exactly as written
+docs/lint/rules
 
 # `declare module "*" with { type: "text" }` is TypeScript 7.1 syntax that
 # prettier's parser does not accept yet

.prettierrc

@@ -25,6 +25,14 @@
       "options": {
         "printWidth": 100
       }
+    },
+    {
+      "files": ["src/runtime/cli/init/**"],
+      "options": {
+        "arrowParens": "always",
+        "printWidth": 80,
+        "quoteProps": "as-needed"
+      }
     }
   ]
 }

Cargo.toml

@@ -489,3 +489,14 @@ bun_transpiler = { path = "src/transpiler" }
 
 [profile.release.package.bun_react_compiler]
 opt-level = "s"
+
+# The runners behind `--run-typescript-tests`, `--run-prettier-tests` and `--run-eslint-tests`. Only canary and debug
+# builds have them, and the time goes into what they test, which keeps its own level.
+[profile.release.package.bun_sema_baselines]
+opt-level = "z"
+
+[profile.release.package.bun_format_conformance]
+opt-level = "z"
+
+[profile.release.package.bun_lint_conformance]
+opt-level = "z"

LICENSE.md

@@ -47,28 +47,33 @@ Bun statically links these libraries:
 | A fork of [`uWebsockets`](https://github.com/jarred-sumner/uwebsockets) | Apache 2.0 licensed |
 | Parts of [Tigerbeetle's IO code](https://github.com/tigerbeetle/tigerbeetle/blob/532c8b70b9142c17e07737ab6d3da68d7500cbca/src/io/windows.zig#L1) | Apache 2.0 licensed |
 | `__cxa_thread_atexit` fallback from [LLVM libc++abi](https://github.com/llvm/llvm-project/blob/llvmorg-19.1.0/libcxxabi/src/cxa_thread_atexit.cpp) | Apache 2.0 with LLVM exception |
-| The type checker behind `bun check` is a port of [`typescript-go`](https://github.com/microsoft/typescript-go), and uses TypeScript's diagnostic messages and `lib.*.d.ts` files | Apache 2.0 |
-| The linter behind `bun lint` is a port of [ESLint](https://github.com/eslint/eslint): its rules, its code path analysis, its configuration and its messages | MIT |
-| The TypeScript rules of `bun lint`, their scope analysis and their helpers for types are a port of [`typescript-eslint`](https://github.com/typescript-eslint/typescript-eslint) | MIT |
-| The scope analysis of `bun lint` follows [`eslint-scope`](https://github.com/eslint/js/tree/main/packages/eslint-scope) | BSD 2-Clause |
-| The selectors of `bun lint` are a port of [`esquery`](https://github.com/estools/esquery) | BSD 3-Clause |
-| `bun lint` has ports of [`@eslint-community/regexpp`](https://github.com/eslint-community/regexpp), [`@eslint-community/eslint-utils`](https://github.com/eslint-community/eslint-utils), [`ts-api-utils`](https://github.com/JoshuaKGoldberg/ts-api-utils), [`levn`](https://github.com/gkz/levn) and [`natural-compare`](https://github.com/litejs/natural-compare-lite), reports invalid options the way [`ajv`](https://github.com/ajv-validator/ajv) does, and uses the lists of [`globals`](https://github.com/sindresorhus/globals) | MIT |
-| The modes of `src/glob` for the patterns of other tools follow [`minimatch`](https://github.com/isaacs/minimatch) | Blue Oak 1.0.0 |
-| and are ports of [`brace-expansion`](https://github.com/juliangruber/brace-expansion), [`picomatch`](https://github.com/micromatch/picomatch), [`ignore`](https://github.com/kaelzhang/node-ignore), [`is-glob`](https://github.com/micromatch/is-glob) and [`is-extglob`](https://github.com/jonschlinkert/is-extglob), and of the way [`globset` and `ignore`](https://github.com/BurntSushi/ripgrep) read a line of an ignore file | MIT |
-| and of [`glob-parent`](https://github.com/gulpjs/glob-parent) | ISC |
-| The rules of plugins that are built into `bun lint` are ports from [`eslint-plugin-react-hooks`](https://github.com/facebook/react/tree/main/packages/eslint-plugin-react-hooks), [`eslint-plugin-import`](https://github.com/import-js/eslint-plugin-import), [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n), [`eslint-plugin-es-x`](https://github.com/eslint-community/eslint-plugin-es-x), [`eslint-plugin-react`](https://github.com/jsx-eslint/eslint-plugin-react) with [`jsx-ast-utils`](https://github.com/jsx-eslint/jsx-ast-utils), [`eslint-plugin-prettier`](https://github.com/prettier/eslint-plugin-prettier) with [`prettier-linter-helpers`](https://github.com/prettier/prettier-linter-helpers), and [`oxlint`](https://github.com/oxc-project/oxc) | MIT |
-| How the rule `prettier/prettier` cuts the difference between two texts into reports follows [`fast-diff`](https://github.com/jhchen/fast-diff) | Apache 2.0 |
-| What the rules of `eslint-plugin-react` ask of ESLint's older API (`isSpaceBetweenTokens`, `getJSDocComment`) follows [`@eslint/compat`](https://github.com/eslint/rewrite/tree/main/packages/compat) | Apache 2.0 |
-| The rules of `unicorn`, `oxc`, `react`, `react-perf`, `jsx-a11y`, `nextjs`, `import`, `promise`, `node`, `jest`, `vitest`, `vue` and `jsdoc` that `bun lint` has with a configuration of oxlint are ports of the rules of [`oxlint`](https://github.com/oxc-project/oxc), which are ports from [`eslint-plugin-unicorn`](https://github.com/sindresorhus/eslint-plugin-unicorn), [`eslint-plugin-react`](https://github.com/jsx-eslint/eslint-plugin-react), [`eslint-plugin-react-perf`](https://github.com/cvazac/eslint-plugin-react-perf), [`eslint-plugin-jsx-a11y`](https://github.com/jsx-eslint/eslint-plugin-jsx-a11y), [`@next/eslint-plugin-next`](https://github.com/vercel/next.js/tree/canary/packages/eslint-plugin-next), [`eslint-plugin-import`](https://github.com/import-js/eslint-plugin-import), [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n), [`eslint-plugin-jest`](https://github.com/jest-community/eslint-plugin-jest), [`@vitest/eslint-plugin`](https://github.com/vitest-dev/eslint-plugin-vitest) and [`eslint-plugin-vue`](https://github.com/vuejs/eslint-plugin-vue) | MIT |
-| and from [`eslint-plugin-promise`](https://github.com/eslint-community/eslint-plugin-promise) | ISC |
-| and from [`eslint-plugin-jsdoc`](https://github.com/gajus/eslint-plugin-jsdoc) | BSD 3-Clause |
-| How `bun lint` and `bun format` take a JSDoc comment apart follows [`oxc_jsdoc`](https://github.com/oxc-project/oxc/tree/main/crates/oxc_jsdoc) | MIT |
-| The formatter behind `bun format` implements [Prettier](https://github.com/prettier/prettier). Its rules for JavaScript and TypeScript are a port of [`oxc_formatter`](https://github.com/oxc-project/oxc/tree/main/crates/oxc_formatter) | MIT |
-| The intermediate representation and the printer of `bun format` come from [Biome](https://github.com/biomejs/biome) | MIT or Apache 2.0 |
-| The CSS, Less and SCSS parsers of `bun format` follow [`postcss`](https://github.com/postcss/postcss), [`postcss-less`](https://github.com/shellscape/postcss-less), [`postcss-scss`](https://github.com/postcss/postcss-scss), [`postcss-selector-parser`](https://github.com/postcss/postcss-selector-parser), [`postcss-media-query-parser`](https://github.com/dryoma/postcss-media-query-parser) and [`postcss-value-parser`](https://github.com/TrySound/postcss-value-parser) | MIT |
-| The import sorting of `bun format` is a port of [`@trivago/prettier-plugin-sort-imports`](https://github.com/trivago/prettier-plugin-sort-imports) and [`@ianvs/prettier-plugin-sort-imports`](https://github.com/ianvs/prettier-plugin-sort-imports) | Apache 2.0 |
-| `bun format` also has ports of [`prettier-plugin-organize-imports`](https://github.com/simonhaenisch/prettier-plugin-organize-imports), parts of [`@babel/generator`](https://github.com/babel/babel), [`sort-package-json`](https://crates.io/crates/sort-package-json), [`jest-docblock`](https://github.com/jestjs/jest/tree/main/packages/jest-docblock), and tables that follow [`emoji-regex`](https://github.com/mathiasbynens/emoji-regex) and [`get-east-asian-width`](https://github.com/sindresorhus/get-east-asian-width) | MIT |
-| The Svelte printer of `bun format` is a port of [`prettier-plugin-svelte`](https://github.com/sveltejs/prettier-plugin-svelte) | MIT |
+| The type checker behind `bun check` and the parser it shares with `bun lint` and `bun fmt` are ports of [`typescript-go`](https://github.com/microsoft/typescript-go). They use TypeScript's diagnostic messages and `lib.*.d.ts` files | Apache 2.0 |
+| `bun lint` ports large parts of [ESLint](https://github.com/eslint/eslint): code path analysis, rule helpers such as `ast-utils.js`, config and comment handling, and many rules. The ESLint rules in `bun lint` use ESLint's rule names, options, option schemas, messages and descriptions. The `eslint:recommended` and `eslint:all` presets are ESLint's. Parts of `main.js` in `src/lint/js_plugin/worker` are copied from ESLint, and parts of `LintReport.cpp`, `LintSourceCode.cpp` and `LintTokens.cpp` in `src/jsc/bindings` are ported from it | MIT |
+| `bun lint` does the same with the rules of [`typescript-eslint`](https://github.com/typescript-eslint/typescript-eslint). It also ports `type-utils` and the plugin's `util` helpers, and uses its presets, the error messages of `typescript-estree` and the `lib` globals of `scope-manager` | MIT |
+| Selectors in `bun lint` are a port of [`esquery`](https://github.com/estools/esquery) | BSD 3-Clause |
+| `bun lint` has ports of [`@eslint-community/regexpp`](https://github.com/eslint-community/regexpp), [`@eslint-community/eslint-utils`](https://github.com/eslint-community/eslint-utils), [`levn`](https://github.com/gkz/levn) and [`natural-compare`](https://github.com/litejs/natural-compare-lite), and of parts of [`ts-api-utils`](https://github.com/JoshuaKGoldberg/ts-api-utils) and [`@eslint/eslintrc`](https://github.com/eslint/eslintrc) | MIT |
+| `bun lint` uses the error messages of [`ajv`](https://github.com/ajv-validator/ajv), [`acorn`](https://github.com/acornjs/acorn) and [`optionator`](https://github.com/gkz/optionator), and the lists in [`globals`](https://github.com/sindresorhus/globals) and [`is-core-module`](https://github.com/inspect-js/is-core-module) | MIT |
+| `bun lint` uses the error messages of [`espree`](https://github.com/eslint/js/tree/main/packages/espree) | BSD 2-Clause |
+| `bun lint` uses the `JSON.parse` error messages of [V8](https://github.com/v8/v8) | BSD 3-Clause |
+| `bun lint` has ports of parts of [`@eslint/plugin-kit`, `@eslint/config-array`, `@eslint/config-helpers` and `@eslint/compat`](https://github.com/eslint/rewrite) | Apache 2.0 |
+| `bun lint` and `bun fmt` have a port of the pattern-to-regular-expression table of [`ignore`](https://github.com/kaelzhang/node-ignore) | MIT |
+| `bun lint` and `bun fmt` have ports of [`is-glob`](https://github.com/micromatch/is-glob) and [`is-extglob`](https://github.com/jonschlinkert/is-extglob) | MIT |
+| `bun lint` and `bun fmt` have a port of [`glob-parent`](https://github.com/gulpjs/glob-parent) | ISC |
+| The `react-hooks`, `import`, `n`, `react` and `prettier` rules in `bun lint` are ports of the rules in [`eslint-plugin-react-hooks`](https://github.com/facebook/react/tree/main/packages/eslint-plugin-react-hooks), [`eslint-plugin-import`](https://github.com/import-js/eslint-plugin-import), [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n), [`eslint-plugin-es-x`](https://github.com/eslint-community/eslint-plugin-es-x), [`eslint-plugin-react`](https://github.com/jsx-eslint/eslint-plugin-react) and [`eslint-plugin-prettier`](https://github.com/prettier/eslint-plugin-prettier), with the same rule names, options and messages. They include the Node.js version tables of `eslint-plugin-n` and a few functions from [`jsx-ast-utils`](https://github.com/jsx-eslint/jsx-ast-utils) and [`prettier-linter-helpers`](https://github.com/prettier/prettier-linter-helpers) | MIT |
+| The text diff used by `bun test` and the `prettier/prettier` rule has parts of [`diff-match-patch`](https://github.com/google/diff-match-patch) and of [`fast-diff`](https://github.com/jhchen/fast-diff), which is derived from it | Apache 2.0 |
+| The `unicorn`, `oxc`, `react-perf`, `jsx-a11y`, `nextjs`, `promise`, `node`, `jest` and `vitest` rules in `bun lint` are ports of the rules in [`oxlint`](https://github.com/oxc-project/oxc), with its messages and help text. With an oxlint config, the other rules use the messages of oxlint and [`tsgolint`](https://github.com/oxc-project/tsgolint) too. `bun lint` also ports parts of `oxc_jsdoc` and `oxc_react_compiler` | MIT |
+| oxlint ported those rules from [`eslint-plugin-unicorn`](https://github.com/sindresorhus/eslint-plugin-unicorn), [`eslint-plugin-react-perf`](https://github.com/cvazac/eslint-plugin-react-perf), [`eslint-plugin-jsx-a11y`](https://github.com/jsx-eslint/eslint-plugin-jsx-a11y), [`@next/eslint-plugin-next`](https://github.com/vercel/next.js/tree/canary/packages/eslint-plugin-next), [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n), [`eslint-plugin-jest`](https://github.com/jest-community/eslint-plugin-jest) and [`@vitest/eslint-plugin`](https://github.com/vitest-dev/eslint-plugin-vitest). Their rule names, options and some of their messages are in `bun lint` | MIT |
+| oxlint ported its `promise` rules from [`eslint-plugin-promise`](https://github.com/eslint-community/eslint-plugin-promise) | ISC |
+| The ARIA tables of the `jsx-a11y` rules come from [`aria-query`](https://github.com/A11yance/aria-query) by way of oxlint | Apache 2.0 |
+| `bun fmt` is a port of [Prettier](https://github.com/prettier/prettier): its printers for CSS, SCSS, Less, HTML, Vue, Angular, Markdown, YAML, GraphQL and Handlebars, its document printer, its handling of options, pragmas, ranges, cursor offsets and embedded code, and the HTML tables it is built with | MIT |
+| The JavaScript and TypeScript printer of `bun fmt`, its JSDoc formatting and its oxfmt-style import sorting are a port of [`oxc_formatter`](https://github.com/oxc-project/oxc/tree/main/crates/oxc_formatter), which is a port of the [Biome](https://github.com/biomejs/biome) formatter. The intermediate representation and its printer come from Biome by way of `oxc_formatter_core` | MIT |
+| `bun fmt` has ports of the parsers in [`postcss`](https://github.com/postcss/postcss), [`postcss-scss`](https://npmjs.com/package/postcss-scss), [`postcss-less`](https://npmjs.com/package/postcss-less), [`postcss-selector-parser`](https://github.com/postcss/postcss-selector-parser), [`postcss-media-query-parser`](https://github.com/dryoma/postcss-media-query-parser), [`postcss-values-parser`](https://npmjs.com/package/postcss-values-parser), [`angular-html-parser`](https://npmjs.com/package/angular-html-parser), [`graphql-js`](https://github.com/graphql/graphql-js), [`@glimmer/syntax`](https://github.com/glimmerjs/glimmer-vm), [`simple-html-tokenizer`](https://github.com/tildeio/simple-html-tokenizer) and [`@angular/compiler`](https://github.com/angular/angular), and of parts of [`yaml-unist-parser`](https://npmjs.com/package/yaml-unist-parser) and [`angular-estree-parser`](https://npmjs.com/package/angular-estree-parser) | MIT |
+| `bun fmt` also has a port of [`@handlebars/parser`](https://github.com/handlebars-lang/handlebars-parser) and of one file of [`yaml`](https://npmjs.com/package/yaml) | ISC |
+| Import sorting in `bun fmt` has ports of [`@trivago/prettier-plugin-sort-imports`](https://github.com/trivago/prettier-plugin-sort-imports) and [`@ianvs/prettier-plugin-sort-imports`](https://github.com/ianvs/prettier-plugin-sort-imports), and of `organizeImports.ts` in [TypeScript](https://github.com/microsoft/TypeScript) | Apache 2.0 |
+| `bun fmt` has ports of [`jest-docblock`](https://github.com/jestjs/jest/tree/main/packages/jest-docblock) and the crates [`sort-package-json`](https://crates.io/crates/sort-package-json) and [`oxc-toml`](https://crates.io/crates/oxc-toml) (a fork of taplo), and of parts of [`@babel/generator`](https://github.com/babel/babel), [`micromark`](https://github.com/micromark/micromark) and [`editorconfig-without-wasm`](https://github.com/fisker/editorconfig-core-js-without-wasm). Its character width tables are generated from [`emoji-regex`](https://github.com/mathiasbynens/emoji-regex), [`get-east-asian-width`](https://github.com/sindresorhus/get-east-asian-width) and [`narrow-emojis`](https://npmjs.com/package/narrow-emojis) | MIT |
+| Tailwind class sorting in `bun fmt` is a port of parts of [`prettier-plugin-tailwindcss`](https://github.com/tailwindlabs/prettier-plugin-tailwindcss) | MIT |
+
+The tests in `test/cli/lint/conformance` and `test/cli/format` include test cases from ESLint, typescript-eslint, the ESLint plugins above, oxc, tsgolint, Prettier and the two import sorting plugins. They are not part of the `bun` binary. Their licenses are next to them.
 
 ## Polyfills