biomejs/biome (@biomejs/biome)
### [`v1.5.1`](https://togithub.com/biomejs/biome/blob/HEAD/CHANGELOG.md#151-2024-01-10)
[Compare Source](https://togithub.com/biomejs/biome/compare/c1fdabcde7f6517aa48bc511e71c8c66796637dd...0ed9e3ef0a1ac0bcf3ba7f0030999dbc3e34a619)
##### CLI
##### Bug fixes
- The diagnostics `files/missingHandler` are now shown only when the option `--verbose` is passed. Contributed by [@ematipico](https://togithub.com/ematipico)
- The diagnostics for protected files are now shown only when the option `--verbose` is passed. Contributed by [@ematipico](https://togithub.com/ematipico)
- Fix [#1465](https://togithub.com/biomejs/biome/issues/1465), by taking in consideration the workspace folder when matching a pattern. Contributed by [@ematipico](https://togithub.com/ematipico)
- Fix [#1465](https://togithub.com/biomejs/biome/issues/1465), by correctly process globs that contain file names. Contributed by [@ematipico](https://togithub.com/ematipico)
##### Formatter
##### Bug fixes
- Fix [#1170](https://togithub.com/biomejs/biome/issues/1170). Fix placement of comments inside default switch clause. Now all line comments that have a preceding node will keep their position. Contributed by [@kalleep](https://togithub.com/kalleep)
##### Linter
##### Bug fixes
- Fix [#1335](https://togithub.com/biomejs/biome/issues/1335). [noUselessFragments](https://biomejs.dev/linter/rules/no-useless-fragments/) now ignores code action on component props when the fragment is empty. Contributed by [@vasucp1207](https://togithub.com/vasucp1207)
- [useConsistentArrayType](https://biomejs.dev/rules/use-consistent-array-type) was accidentally placed in the `style` rule group instead of the `nursery` group. It is now correctly placed under `nursery`.
- Fix [#1483](https://togithub.com/biomejs/biome/issues/1483). [useConsistentArrayType](https://biomejs.dev/rules/use-consistent-array-type) now correctly handles its option. Contributed by [@Conaclos](https://togithub.com/Conaclos)
- Fix [#1502](https://togithub.com/biomejs/biome/issues/1502). [useArrowFunction](https://biomejs.dev/rules/) now correctly handle functions that return a (comma) sequence expression. Contributed by [@Conaclos](https://togithub.com/Conaclos)
Previously the rule made an erroneous suggestion:
```diff
- f(function() { return 0, 1; }, "");
+ f(() => 0, 1, "")
```
Now, the rule wraps any comma sequence between parentheses:
```diff
- f(function() { return 0, 1; }, "");
+ f(() => (0, 1), "")
```
### [`v1.5.0`](https://togithub.com/biomejs/biome/blob/HEAD/CHANGELOG.md#150-2024-01-08)
[Compare Source](https://togithub.com/biomejs/biome/compare/a88751306242058374575b9f511e3c22213032b6...c1fdabcde7f6517aa48bc511e71c8c66796637dd)
Biome now scores 97% compatibility with Prettier and features more than 180 linter rules.
##### Analyzer
##### CLI
##### New features
- Biome now shows a diagnostic when it encounters a protected file. Contributed by [@ematipico](https://togithub.com/ematipico)
- The command `biome migrate` now updates the `$schema` if there's an outdated version.
- The CLI now takes in consideration the `.gitignore` in the home directory of the user, if it exists. Contributed by [@ematipico](https://togithub.com/ematipico)
- The `biome ci` command is now able to print [GitHub Workflow Commands](https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions) when there are diagnostics in our code. Contributed by [@nikeee](https://togithub.com/nikeee)
This **might** require setting the proper permissions on your GitHub action:
```yaml
permissions:
pull-requests: write
```
- The commands `format`, `lint`, `check` and `ci` now accept two new arguments: `--changed` and `--since`. Use these options with the VCS integration
is enabled to process only the files that were changed. Contributed by [@simonxabris](https://togithub.com/simonxabris)
```shell
biome format --write --changed
```
- Introduced a new command called `biome explain`, which has the capability to display documentation for lint rules. Contributed by [@kalleep](https://togithub.com/kalleep)
- You can use the command `biome explain` to print the documentation of lint rules. Contributed by [@kalleep](https://togithub.com/kalleep)
```shell
biome explain noDebugger
biome explain useAltText
```
- You can use the command `biome explain` to print the directory where daemon logs are stored. Contributed by [@ematipico](https://togithub.com/ematipico)
```shell
biome explain daemon-logs
```
- Removed the hard coded limit of 200 printable diagnostics. Contributed by [@ematipico](https://togithub.com/ematipico)
##### Bug fixes
- Fix [#1247](https://togithub.com/biomejs/biome/issues/1247), Biome now prints a **warning** diagnostic if it encounters files that can't handle. Contributed by [@ematipico](https://togithub.com/ematipico)
You can ignore unknown file types using the [`files.ignoreUnknown`](https://biomejs.dev/reference/configuration/#filesignoreunknown) configuration in `biome.json`:
```jsonc
{
"files": {
"ignoreUnknown": true
}
}
```
Or the `--files-ignore-unknown` CLI option:
```shell
biome format --files-ignore-unknown=true --write .
```
- Fix [#709](https://togithub.com/biomejs/biome/issues/709) and [#805](https://togithub.com/biomejs/biome/issues/805) by correctly parsing `.gitignore` files. Contributed by [@ematipico](https://togithub.com/ematipico)
- Fix [#1117](https://togithub.com/biomejs/biome/issues/1117) by correctly respecting the matching. Contributed by [@ematipico](https://togithub.com/ematipico)
- Fix [#691](https://togithub.com/biomejs/biome/issues/691) and [#1190](https://togithub.com/biomejs/biome/issues/1190), by correctly apply the configuration when computing [`overrides` configuration](https://biomejs.dev/reference/configuration/#overrides). Contributed by [@ematipico](https://togithub.com/ematipico)
##### Configuration
##### New features
- Users can specify *git ignore patterns* inside `ignore` and `include` properties, for example it's possible to **allow list** globs of files using the `!` character:
```jsonc
{
"files": {
"ignore": [
"node_modules/**",
"!**/dist/**" // this is now accepted and allow files inside the `dist` folder
]
}
}
```
##### Editors
##### New features
- The LSP registers formatting without the need of using dynamic capabilities from the client.
This brings formatting services to the editors that don't support or have limited support for dynamic capabilities.
##### Formatter
##### Bug fixes
- Fix [#1169](https://togithub.com/biomejs/biome/issues/1169). Account for escaped strings when computing layout for assignments. Contributed by [@kalleep](https://togithub.com/kalleep)
- Fix [#851](https://togithub.com/biomejs/biome/issues/851). Allow regular function expressions to group and break as call arguments, just like arrow function expressions. [#1003](https://togithub.com/biomejs/biome/issues/1003) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix [#914](https://togithub.com/biomejs/biome/issues/914). Only parenthesize type-casted function expressions as default exports. [#1023](https://togithub.com/biomejs/biome/issues/1023) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix [#1112](https://togithub.com/biomejs/biome/issues/1112). Break block bodies in case clauses onto their own lines and preserve trailing fallthrough comments. [#1035](https://togithub.com/biomejs/biome/pull/1035) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix `RemoveSoftLinesBuffer` behavior to also removed conditional expanded content, ensuring no accidental, unused line breaks are included [#1032](https://togithub.com/biomejs/biome/pull/1032) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix [#1024](https://togithub.com/biomejs/biome/issues/1024). Allow JSX expressions to nestle in arrow chains [#1033](https://togithub.com/biomejs/biome/pull/1033) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix incorrect breaking on the left side of assignments by always using fluid assignment. [#1021](https://togithub.com/biomejs/biome/pull/1021) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix breaking strategy for nested object patterns in function parameters [#1054](https://togithub.com/biomejs/biome/pull/1054) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix over-indention of arrow chain expressions by simplifying the way each chain is grouped [#1036](https://togithub.com/biomejs/biome/pull/1036), [#1136](https://togithub.com/biomejs/biome/pull/1136), and [#1162](https://togithub.com/biomejs/biome/pull/1162) Contributed by [@faultyserver](https://togithub.com/faultyserver).
- Fix "simple" checks for calls and member expressions to correctly handle array accesses, complex arguments to single-argument function calls, and multiple-argument function calls. [#1057](https://togithub.com/biomejs/biome/pull/1057) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix text wrapping and empty line handling for JSX Text elements to match Prettier's behavior. [#1075](https://togithub.com/biomejs/biome/pull/1075) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix leading comments in concisely-printed arrays to prevent unwanted line breaks. [#1135](https://togithub.com/biomejs/biome/pull/1135) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix `best_fitting` and interned elements preventing expansion propagation from sibling elements. [#1141](https://togithub.com/biomejs/biome/pull/1141) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix heuristic for grouping function parameters when type parameters with constraints are present. [#1153](https://togithub.com/biomejs/biome/pull/1153). Contributed by [@faultyserver](https://togithub.com/faultyserver).
- Fix binary-ish and type annotation handling for grouping call arguments in function expressions and call signatures. [#1152](https://togithub.com/biomejs/biome/pull/1152) and [#1160](https://togithub.com/biomejs/biome/pull/1160) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix handling of nestled JSDoc comments to preserve behavior for overloads. [#1195](https://togithub.com/biomejs/biome/pull/1195) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix [#1208](https://togithub.com/biomejs/biome/issues/1208). Fix extraction of inner types when checking for simple type annotations in call arguments. [#1195](https://togithub.com/biomejs/biome/pull/1195) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix [#1220](https://togithub.com/biomejs/biome/issues/1220). Avoid duplicating comments in type unions for mapped, empty object, and empty tuple types. [#1240](https://togithub.com/biomejs/biome/pull/1240) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix [#1356](https://togithub.com/biomejs/biome/issues/1356). Ensure `if_group_fits_on_line` content is always written in `RemoveSoftLinesBuffer`s. [#1357](https://togithub.com/biomejs/biome/pull/1357) Contributed by [@faultyserver](https://togithub.com/faultyserver)
- Fix [#1171](https://togithub.com/biomejs/biome/issues/1171). Correctly format empty statement with comment inside arrow body when used as single argument in call expression. Contributed by [@kalleep](https://togithub.com/kalleep)
- Fix [#1106](https://togithub.com/biomejs/biome/issues/1106). Fix invalid formatting of single bindings when Arrow Parentheses is set to "AsNeeded" and the expression breaks over multiple lines. [#1449](https://togithub.com/biomejs/biome/pull/1449) Contributed by [@faultyserver](https://togithub.com/faultyserver)
##### JavaScript APIs
##### Linter
##### Promoted rules
New rules are incubated in the nursery group.
Once stable, we promote them to a stable group.
The following rules are promoted:
- [a11y/noAriaHiddenOnFocusable](https://www.biomejs.dev/linter/rules/no-aria-hidden-on-focusable)
- [a11y/useValidAriaRole](https://www.biomejs.dev/linter/rules/use-valid-aria-role)
- [complexity/useRegexLiterals](https://www.biomejs.dev/linter/rules/use-regex-literals)
- [suspicious/noImplicitAnyLet](https://www.biomejs.dev/linter/rules/no-implicit-any-let)
- [style/noDefaultExport](https://www.biomejs.dev/linter/rules/no-default-export)
##### New features
- Add [useExportType](https://biomejs.dev/linter/rules/use-export-type) that enforces the use of type-only exports for types. Contributed by [@Conaclos](https://togithub.com/Conaclos)
```diff
interface A {}
interface B {}
class C {}
- export type { A, C }
+ export { type A, C }
- export { type B }
+ export type { B }
```
- Add [useImportType](https://biomejs.dev/linter/rules/use-import-type) that enforces the use of type-only imports for types. Contributed by [@Conaclos](https://togithub.com/Conaclos)
```diff
- import { A, B } from "./mod.js";
+ import { type A, B } from "mod";
let a: A;
const b: B = new B();
```
Also, the rule groups type-only imports:
```diff
- import { type A, type B } from "./mod.js";
+ import type { A, B } from "./mod.js";
```
- Add [useFilenamingConvention](https://biomejs.dev/linter/rules/use-filenaming-convention), that enforces naming conventions for JavaScript and TypeScript filenames. Contributed by [@Conaclos](https://togithub.com/Conaclos)
By default, the rule requires that a filename be in `camelCase`, `kebab-case`, `snake_case`, or matches the name of an `export` in the file.
The rule provides options to restrict the allowed cases.
- Add [useNodejsImportProtocol](https://biomejs.dev/linter/rules/use-nodejs-import-protocol) that enforces the use of the `node:` protocol when importing *Node.js* modules. Contributed by [@2-NOW](https://togithub.com/2-NOW), [@vasucp1207](https://togithub.com/vasucp1207), and [@Conaclos](https://togithub.com/Conaclos)
```diff
- import fs from "fs";
+ import fs from "node:fs";
```
- Add [useNumberNamespace](https://biomejs.dev/linter/rules/use-number-namespace) that enforces the use of the `Number` properties instead of the global ones.
```diff
- parseInt;
+ Number.parseInt;
- - Infinity;
+ Number.NEGATIVE_INFINITY;
```
- Add [useShorthandFunctionType](https://biomejs.dev/linter/rules/use-shorthand-function-type) that enforces using function types instead of object type with call signatures. Contributed by [@emab](https://togithub.com/emab), [@ImBIOS](https://togithub.com/ImBIOS), and [@seitarof](https://togithub.com/seitarof)
```diff
- interface Example {
- (): string;
- }
+ type Example = () => string
```
````
- Add [noNodejsModules](https://biomejs.dev/linter/rules/no-nodejs-modules), that disallows the use of _Node.js_ modules. Contributed by @anonrig, @ematipico, and @Conaclos
- Add [noInvalidUseBeforeDeclaration](https://biomejs.dev/linter/rules/no-invalid-use-before-declaration) that reports variables and function parameters used before their declaration. Contributed by @Conaclos
```js
function f() {
console.log(c); // Use of `c` before its declaration.
const c = 0;
}
````
- Add [useConsistentArrayType](https://biomejs.dev/linter/rules/use-consistent-array-type) that enforces the use of a consistent syntax for array types. Contributed by [@eryue0220](https://togithub.com/eryue0220)
This rule will replace [useShorthandArrayType](https://biomejs.dev/linter/rules/use-shorthand-array-type).
It provides an option to choose between the shorthand or the generic syntax.
- Add [noEmptyTypeParameters](https://biomejs.dev/linter/rules/no-empty-type-parameters) that ensures that any type parameter list has at least one type parameter. Contributed by [@togami2864](https://togithub.com/togami2864)
This will report the following empty type parameter lists:
```ts
interface Foo<> {}
// ^^
type Bar<> = {};
// ^^
```
- Add [noGlobalEval](https://biomejs.dev/linter/rules/no-global-eval) that reports any use of the global `eval`.
Contributed by [@you-5805](https://togithub.com/you-5805)
- Add [noGlobalAssign](https://biomejs.dev/linter/rules/no-global-assign) that reports assignment to global variables. Contributed by [@chansuke](https://togithub.com/chansuke)
```js
Object = {}; // report assignment to `Object`.
```
- Add [noMisleadingCharacterClass](https://biomejs.dev/linter/rules/no-misleading-character-class) that disallows characters made with multiple code points in character class. Contributed by [@togami2864](https://togithub.com/togami2864)
- Add [noThenProperty](https://biomejs.dev/linter/rules/no-then-property) that disallows the use of `then` as property name. Adding a `then` property makes an object *thenable* that can lead to errors with Promises. Contributed by [@togami2864](https://togithub.com/togami2864)
- Add [noUselessTernary](https://biomejs.dev/linter/rules/no-useless-ternary) that disallows conditional expressions (ternaries) when simpler alternatives exist.
```js
var a = x ? true : true; // this could be simplified to `x`
```
##### Enhancements
- [noEmptyInterface](https://biomejs.dev/linter/rules/no-empty-interface) ignores empty interfaces that extend a type. Address [#959](https://togithub.com/biomejs/biome/issues/959) and [#1157](https://togithub.com/biomejs/biome/issues/1157). Contributed by [@Conaclos](https://togithub.com/Conaclos)
This allows supporting interface augmentation in external modules as demonstrated in the following example:
```ts
interface Extension {
metadata: unknown;
}
declare module "@external/module" {
// Empty interface that extends a type.
export interface ExistingInterface extends Extension {}
}
```
- Preserve more comments in the code fix of [useExponentiationOperator](https://biomejs.dev/linter/rules/use-exponentiation-operator). Contributed by [@Conaclos](https://togithub.com/Conaclos)
The rule now preserves comments that follow the (optional) trailing comma.
For example, the rule now suggests the following code fix:
```diff
- Math.pow(
- a, // a
- 2, // 2
- );
+
+ a ** // a
+ 2 // 2
+
```
- `
Configuration
📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
â™» Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
[ ] If you want to rebase/retry this PR, check this box
This PR has been generated by Mend Renovate. View repository job log here.
This PR contains the following updates:
1.4.1
->1.5.1
Release Notes
biomejs/biome (@biomejs/biome)
### [`v1.5.1`](https://togithub.com/biomejs/biome/blob/HEAD/CHANGELOG.md#151-2024-01-10) [Compare Source](https://togithub.com/biomejs/biome/compare/c1fdabcde7f6517aa48bc511e71c8c66796637dd...0ed9e3ef0a1ac0bcf3ba7f0030999dbc3e34a619) ##### CLI ##### Bug fixes - The diagnostics `files/missingHandler` are now shown only when the option `--verbose` is passed. Contributed by [@ematipico](https://togithub.com/ematipico) - The diagnostics for protected files are now shown only when the option `--verbose` is passed. Contributed by [@ematipico](https://togithub.com/ematipico) - Fix [#1465](https://togithub.com/biomejs/biome/issues/1465), by taking in consideration the workspace folder when matching a pattern. Contributed by [@ematipico](https://togithub.com/ematipico) - Fix [#1465](https://togithub.com/biomejs/biome/issues/1465), by correctly process globs that contain file names. Contributed by [@ematipico](https://togithub.com/ematipico) ##### Formatter ##### Bug fixes - Fix [#1170](https://togithub.com/biomejs/biome/issues/1170). Fix placement of comments inside default switch clause. Now all line comments that have a preceding node will keep their position. Contributed by [@kalleep](https://togithub.com/kalleep) ##### Linter ##### Bug fixes - Fix [#1335](https://togithub.com/biomejs/biome/issues/1335). [noUselessFragments](https://biomejs.dev/linter/rules/no-useless-fragments/) now ignores code action on component props when the fragment is empty. Contributed by [@vasucp1207](https://togithub.com/vasucp1207) - [useConsistentArrayType](https://biomejs.dev/rules/use-consistent-array-type) was accidentally placed in the `style` rule group instead of the `nursery` group. It is now correctly placed under `nursery`. - Fix [#1483](https://togithub.com/biomejs/biome/issues/1483). [useConsistentArrayType](https://biomejs.dev/rules/use-consistent-array-type) now correctly handles its option. Contributed by [@Conaclos](https://togithub.com/Conaclos) - Fix [#1502](https://togithub.com/biomejs/biome/issues/1502). [useArrowFunction](https://biomejs.dev/rules/) now correctly handle functions that return a (comma) sequence expression. Contributed by [@Conaclos](https://togithub.com/Conaclos) Previously the rule made an erroneous suggestion: ```diff - f(function() { return 0, 1; }, ""); + f(() => 0, 1, "") ``` Now, the rule wraps any comma sequence between parentheses: ```diff - f(function() { return 0, 1; }, ""); + f(() => (0, 1), "") ``` ### [`v1.5.0`](https://togithub.com/biomejs/biome/blob/HEAD/CHANGELOG.md#150-2024-01-08) [Compare Source](https://togithub.com/biomejs/biome/compare/a88751306242058374575b9f511e3c22213032b6...c1fdabcde7f6517aa48bc511e71c8c66796637dd) Biome now scores 97% compatibility with Prettier and features more than 180 linter rules. ##### Analyzer ##### CLI ##### New features - Biome now shows a diagnostic when it encounters a protected file. Contributed by [@ematipico](https://togithub.com/ematipico) - The command `biome migrate` now updates the `$schema` if there's an outdated version. - The CLI now takes in consideration the `.gitignore` in the home directory of the user, if it exists. Contributed by [@ematipico](https://togithub.com/ematipico) - The `biome ci` command is now able to print [GitHub Workflow Commands](https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions) when there are diagnostics in our code. Contributed by [@nikeee](https://togithub.com/nikeee) This **might** require setting the proper permissions on your GitHub action: ```yaml permissions: pull-requests: write ``` - The commands `format`, `lint`, `check` and `ci` now accept two new arguments: `--changed` and `--since`. Use these options with the VCS integration is enabled to process only the files that were changed. Contributed by [@simonxabris](https://togithub.com/simonxabris) ```shell biome format --write --changed ``` - Introduced a new command called `biome explain`, which has the capability to display documentation for lint rules. Contributed by [@kalleep](https://togithub.com/kalleep) - You can use the command `biome explain` to print the documentation of lint rules. Contributed by [@kalleep](https://togithub.com/kalleep) ```shell biome explain noDebugger biome explain useAltText ``` - You can use the command `biome explain` to print the directory where daemon logs are stored. Contributed by [@ematipico](https://togithub.com/ematipico) ```shell biome explain daemon-logs ``` - Removed the hard coded limit of 200 printable diagnostics. Contributed by [@ematipico](https://togithub.com/ematipico) ##### Bug fixes - Fix [#1247](https://togithub.com/biomejs/biome/issues/1247), Biome now prints a **warning** diagnostic if it encounters files that can't handle. Contributed by [@ematipico](https://togithub.com/ematipico) You can ignore unknown file types using the [`files.ignoreUnknown`](https://biomejs.dev/reference/configuration/#filesignoreunknown) configuration in `biome.json`: ```jsonc { "files": { "ignoreUnknown": true } } ``` Or the `--files-ignore-unknown` CLI option: ```shell biome format --files-ignore-unknown=true --write . ``` - Fix [#709](https://togithub.com/biomejs/biome/issues/709) and [#805](https://togithub.com/biomejs/biome/issues/805) by correctly parsing `.gitignore` files. Contributed by [@ematipico](https://togithub.com/ematipico) - Fix [#1117](https://togithub.com/biomejs/biome/issues/1117) by correctly respecting the matching. Contributed by [@ematipico](https://togithub.com/ematipico) - Fix [#691](https://togithub.com/biomejs/biome/issues/691) and [#1190](https://togithub.com/biomejs/biome/issues/1190), by correctly apply the configuration when computing [`overrides` configuration](https://biomejs.dev/reference/configuration/#overrides). Contributed by [@ematipico](https://togithub.com/ematipico) ##### Configuration ##### New features - Users can specify *git ignore patterns* inside `ignore` and `include` properties, for example it's possible to **allow list** globs of files using the `!` character: ```jsonc { "files": { "ignore": [ "node_modules/**", "!**/dist/**" // this is now accepted and allow files inside the `dist` folder ] } } ``` ##### Editors ##### New features - The LSP registers formatting without the need of using dynamic capabilities from the client. This brings formatting services to the editors that don't support or have limited support for dynamic capabilities. ##### Formatter ##### Bug fixes - Fix [#1169](https://togithub.com/biomejs/biome/issues/1169). Account for escaped strings when computing layout for assignments. Contributed by [@kalleep](https://togithub.com/kalleep) - Fix [#851](https://togithub.com/biomejs/biome/issues/851). Allow regular function expressions to group and break as call arguments, just like arrow function expressions. [#1003](https://togithub.com/biomejs/biome/issues/1003) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix [#914](https://togithub.com/biomejs/biome/issues/914). Only parenthesize type-casted function expressions as default exports. [#1023](https://togithub.com/biomejs/biome/issues/1023) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix [#1112](https://togithub.com/biomejs/biome/issues/1112). Break block bodies in case clauses onto their own lines and preserve trailing fallthrough comments. [#1035](https://togithub.com/biomejs/biome/pull/1035) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix `RemoveSoftLinesBuffer` behavior to also removed conditional expanded content, ensuring no accidental, unused line breaks are included [#1032](https://togithub.com/biomejs/biome/pull/1032) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix [#1024](https://togithub.com/biomejs/biome/issues/1024). Allow JSX expressions to nestle in arrow chains [#1033](https://togithub.com/biomejs/biome/pull/1033) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix incorrect breaking on the left side of assignments by always using fluid assignment. [#1021](https://togithub.com/biomejs/biome/pull/1021) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix breaking strategy for nested object patterns in function parameters [#1054](https://togithub.com/biomejs/biome/pull/1054) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix over-indention of arrow chain expressions by simplifying the way each chain is grouped [#1036](https://togithub.com/biomejs/biome/pull/1036), [#1136](https://togithub.com/biomejs/biome/pull/1136), and [#1162](https://togithub.com/biomejs/biome/pull/1162) Contributed by [@faultyserver](https://togithub.com/faultyserver). - Fix "simple" checks for calls and member expressions to correctly handle array accesses, complex arguments to single-argument function calls, and multiple-argument function calls. [#1057](https://togithub.com/biomejs/biome/pull/1057) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix text wrapping and empty line handling for JSX Text elements to match Prettier's behavior. [#1075](https://togithub.com/biomejs/biome/pull/1075) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix leading comments in concisely-printed arrays to prevent unwanted line breaks. [#1135](https://togithub.com/biomejs/biome/pull/1135) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix `best_fitting` and interned elements preventing expansion propagation from sibling elements. [#1141](https://togithub.com/biomejs/biome/pull/1141) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix heuristic for grouping function parameters when type parameters with constraints are present. [#1153](https://togithub.com/biomejs/biome/pull/1153). Contributed by [@faultyserver](https://togithub.com/faultyserver). - Fix binary-ish and type annotation handling for grouping call arguments in function expressions and call signatures. [#1152](https://togithub.com/biomejs/biome/pull/1152) and [#1160](https://togithub.com/biomejs/biome/pull/1160) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix handling of nestled JSDoc comments to preserve behavior for overloads. [#1195](https://togithub.com/biomejs/biome/pull/1195) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix [#1208](https://togithub.com/biomejs/biome/issues/1208). Fix extraction of inner types when checking for simple type annotations in call arguments. [#1195](https://togithub.com/biomejs/biome/pull/1195) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix [#1220](https://togithub.com/biomejs/biome/issues/1220). Avoid duplicating comments in type unions for mapped, empty object, and empty tuple types. [#1240](https://togithub.com/biomejs/biome/pull/1240) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix [#1356](https://togithub.com/biomejs/biome/issues/1356). Ensure `if_group_fits_on_line` content is always written in `RemoveSoftLinesBuffer`s. [#1357](https://togithub.com/biomejs/biome/pull/1357) Contributed by [@faultyserver](https://togithub.com/faultyserver) - Fix [#1171](https://togithub.com/biomejs/biome/issues/1171). Correctly format empty statement with comment inside arrow body when used as single argument in call expression. Contributed by [@kalleep](https://togithub.com/kalleep) - Fix [#1106](https://togithub.com/biomejs/biome/issues/1106). Fix invalid formatting of single bindings when Arrow Parentheses is set to "AsNeeded" and the expression breaks over multiple lines. [#1449](https://togithub.com/biomejs/biome/pull/1449) Contributed by [@faultyserver](https://togithub.com/faultyserver) ##### JavaScript APIs ##### Linter ##### Promoted rules New rules are incubated in the nursery group. Once stable, we promote them to a stable group. The following rules are promoted: - [a11y/noAriaHiddenOnFocusable](https://www.biomejs.dev/linter/rules/no-aria-hidden-on-focusable) - [a11y/useValidAriaRole](https://www.biomejs.dev/linter/rules/use-valid-aria-role) - [complexity/useRegexLiterals](https://www.biomejs.dev/linter/rules/use-regex-literals) - [suspicious/noImplicitAnyLet](https://www.biomejs.dev/linter/rules/no-implicit-any-let) - [style/noDefaultExport](https://www.biomejs.dev/linter/rules/no-default-export) ##### New features - Add [useExportType](https://biomejs.dev/linter/rules/use-export-type) that enforces the use of type-only exports for types. Contributed by [@Conaclos](https://togithub.com/Conaclos) ```diff interface A {} interface B {} class C {} - export type { A, C } + export { type A, C } - export { type B } + export type { B } ``` - Add [useImportType](https://biomejs.dev/linter/rules/use-import-type) that enforces the use of type-only imports for types. Contributed by [@Conaclos](https://togithub.com/Conaclos) ```diff - import { A, B } from "./mod.js"; + import { type A, B } from "mod"; let a: A; const b: B = new B(); ``` Also, the rule groups type-only imports: ```diff - import { type A, type B } from "./mod.js"; + import type { A, B } from "./mod.js"; ``` - Add [useFilenamingConvention](https://biomejs.dev/linter/rules/use-filenaming-convention), that enforces naming conventions for JavaScript and TypeScript filenames. Contributed by [@Conaclos](https://togithub.com/Conaclos) By default, the rule requires that a filename be in `camelCase`, `kebab-case`, `snake_case`, or matches the name of an `export` in the file. The rule provides options to restrict the allowed cases. - Add [useNodejsImportProtocol](https://biomejs.dev/linter/rules/use-nodejs-import-protocol) that enforces the use of the `node:` protocol when importing *Node.js* modules. Contributed by [@2-NOW](https://togithub.com/2-NOW), [@vasucp1207](https://togithub.com/vasucp1207), and [@Conaclos](https://togithub.com/Conaclos) ```diff - import fs from "fs"; + import fs from "node:fs"; ``` - Add [useNumberNamespace](https://biomejs.dev/linter/rules/use-number-namespace) that enforces the use of the `Number` properties instead of the global ones. ```diff - parseInt; + Number.parseInt; - - Infinity; + Number.NEGATIVE_INFINITY; ``` - Add [useShorthandFunctionType](https://biomejs.dev/linter/rules/use-shorthand-function-type) that enforces using function types instead of object type with call signatures. Contributed by [@emab](https://togithub.com/emab), [@ImBIOS](https://togithub.com/ImBIOS), and [@seitarof](https://togithub.com/seitarof) ```diff - interface Example { - (): string; - } + type Example = () => string ``` ```` - Add [noNodejsModules](https://biomejs.dev/linter/rules/no-nodejs-modules), that disallows the use of _Node.js_ modules. Contributed by @anonrig, @ematipico, and @Conaclos - Add [noInvalidUseBeforeDeclaration](https://biomejs.dev/linter/rules/no-invalid-use-before-declaration) that reports variables and function parameters used before their declaration. Contributed by @Conaclos ```js function f() { console.log(c); // Use of `c` before its declaration. const c = 0; } ```` - Add [useConsistentArrayType](https://biomejs.dev/linter/rules/use-consistent-array-type) that enforces the use of a consistent syntax for array types. Contributed by [@eryue0220](https://togithub.com/eryue0220) This rule will replace [useShorthandArrayType](https://biomejs.dev/linter/rules/use-shorthand-array-type). It provides an option to choose between the shorthand or the generic syntax. - Add [noEmptyTypeParameters](https://biomejs.dev/linter/rules/no-empty-type-parameters) that ensures that any type parameter list has at least one type parameter. Contributed by [@togami2864](https://togithub.com/togami2864) This will report the following empty type parameter lists: ```ts interface Foo<> {} // ^^ type Bar<> = {}; // ^^ ``` - Add [noGlobalEval](https://biomejs.dev/linter/rules/no-global-eval) that reports any use of the global `eval`. Contributed by [@you-5805](https://togithub.com/you-5805) - Add [noGlobalAssign](https://biomejs.dev/linter/rules/no-global-assign) that reports assignment to global variables. Contributed by [@chansuke](https://togithub.com/chansuke) ```js Object = {}; // report assignment to `Object`. ``` - Add [noMisleadingCharacterClass](https://biomejs.dev/linter/rules/no-misleading-character-class) that disallows characters made with multiple code points in character class. Contributed by [@togami2864](https://togithub.com/togami2864) - Add [noThenProperty](https://biomejs.dev/linter/rules/no-then-property) that disallows the use of `then` as property name. Adding a `then` property makes an object *thenable* that can lead to errors with Promises. Contributed by [@togami2864](https://togithub.com/togami2864) - Add [noUselessTernary](https://biomejs.dev/linter/rules/no-useless-ternary) that disallows conditional expressions (ternaries) when simpler alternatives exist. ```js var a = x ? true : true; // this could be simplified to `x` ``` ##### Enhancements - [noEmptyInterface](https://biomejs.dev/linter/rules/no-empty-interface) ignores empty interfaces that extend a type. Address [#959](https://togithub.com/biomejs/biome/issues/959) and [#1157](https://togithub.com/biomejs/biome/issues/1157). Contributed by [@Conaclos](https://togithub.com/Conaclos) This allows supporting interface augmentation in external modules as demonstrated in the following example: ```ts interface Extension { metadata: unknown; } declare module "@external/module" { // Empty interface that extends a type. export interface ExistingInterface extends Extension {} } ``` - Preserve more comments in the code fix of [useExponentiationOperator](https://biomejs.dev/linter/rules/use-exponentiation-operator). Contributed by [@Conaclos](https://togithub.com/Conaclos) The rule now preserves comments that follow the (optional) trailing comma. For example, the rule now suggests the following code fix: ```diff - Math.pow( - a, // a - 2, // 2 - ); + + a ** // a + 2 // 2 + ``` - `Configuration
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