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useConsistentArrayType and useShorthandArrayType now ignore Array in the extends and implements clauses. Fix #3247. Contributed by @Conaclos
Fixes #3066 by taking into account the dependencies declared in the package.json. Contributed by @ematipico
The code action of the useArrowFunction rule now preserves a trailing comma when there is only a single type parameter in the arrow function and JSX is enabled. Fixes #3292. Contributed by @Sec-ant
Enhancements
Enhance tailwind sorting lint rule #1274 with variant support.
Every preconfigured variant is assigned a weight that concurs on establishing the output sorting order.
Since nesting variants on the same utility class is possible, the resulting weight is the Bitwise XOR of all the variants weight for that class.
Dynamic variants (e.g. has-[.custom-class], group-[:checked]) are also supported and they take the weight of their base variant name the custom value attached (e.g. has-[.custom-class] takes has weight).
Arbitrary variants (e.g. [&nth-child(2)]) don't have a weight assigned and they are placed after every known variant.
Classes with the same amount of arbitrary variants follow lexicographical order. The class that has the highest number of nested arbitrary variants is placed last.
Screen variants (e.g. sm:, max-md:, min-lg:) are not supported yet.
Previously, each override inherited the unset configuration of the base configuration.
This means that setting a configuration in an override can be concealed by a subsequent override that inherits of the value from the base configuration.
For example, in the next example, noDebugger was disabled for the index.js file.
The component itself is considered stable when it is used recursively inside a hook closure defined inside of it:
import{useMemo}from"react";functionMyRecursiveComponent(){// MyRecursiveComponent is stable, we don't need to add it to the dependencies list.constchildren=useMemo(()=><MyRecursiveComponent/>,[]);return<div>{children}</div>;}
Also, export default function and export default class are considered stable now because they can only appear at the top level of a module.
Fix #3069, prevent overwriting paths when using --staged or --changed options. Contributed by @unvalley
Fix a case where the file link inside a diagnostic wasn't correctly displayed inside a terminal run by VSCode. Contributed by @uncenter
Configuration
Bug fixes
Fix #3067, by assigning the correct default value to indentWidth. Contributed by @ematipico
Editors
Formatter
Bug fixes
Fix the bug where whitespace after the & character in CSS nesting was incorrectly trimmed, ensuring proper targeting of child classes #3061. Contributed by @denbezrukov
Fix #3068 where the CSS formatter was inadvertently converting variable declarations and function calls to lowercase. Contributed by @denbezrukov
Fix the formatting of CSS grid layout properties. Contributed by @denbezrukov
JavaScript APIs
Linter
Bug fixes
The noEmptyBlock css lint rule now treats empty blocks containing comments as valid ones. Contributed by @Sec-ant
Implemented CSS Unknown At-Rule parsing, allowing the parser to gracefully handle unsupported or unrecognized CSS at-rules. Contributed by @denbezrukov
Bug fixes
Fix #3055 CSS: Layout using named grid lines is now correctly parsed. Contributed by @denbezrukov
Fix #3091. Allows the parser to handle nested style rules and at-rules properly, enhancing the parser's compatibility with the CSS Nesting Module. Contributed by @denbezrukov
Allow suppression comments to suppress individual instances of rules. This is
used for the lint rule useExhaustiveDependencies, which is now able to
suppress specific dependencies. Fixes #2509. Contributed by @arendjr
Enhancements
Assume Astro object is always a global when processing .astro files. Contributed by @minht11
Assume Vue compiler macros are globals when processing .vue files. (#2771) Contributed by @dyc3
CLI
New features
New clean command. Use this new command to clean after the biome-logs directory, and remove all the log files.
biome clean
Add two new options --only and --skip to the command biome lint (#58).
The --only option allows you to run a given rule or rule group,
For example, the following command runs only the style/useNamingConvention and style/noInferrableTypes rules.
If the rule is disabled in the configuration, then its severity level is set to error for a recommended rule or warn otherwise.
Passing a group does not change the severity level of the rules in the group.
All the disabled rules in the group will remain disabled.
To ensure that the group is run, the recommended field of the group is enabled.
The nursery group cannot be passed, as no rules are enabled by default in the nursery group.
The --skip option allows you to skip the execution of a given group or a given rule.
For example, the following command skips the style group and the suspicious/noExplicitAny rule.
You can also use --only and --skip together. --skip oevrrides --only.
The following command executes only the rules from the style group, but the style/useNamingConvention rule.
Add new command biome clean. Use this command to purge all the logs emitted by the Biome daemon. This command is really useful, because the Biome daemon tends
log many files and contents during its lifecycle. This means that if your editor is open for hours (or even days), the biome-logs folder could become quite heavy. Contributed by @ematipico
Add support for formatting and linting CSS files from the CLI. These operations are opt-in for the time being.
If you don't have a configuration file, you can enable these features with --css-formatter-enabled and --css-linter-enabled:
Add new CLI options to control the CSS formatting. Check the CLI reference page for more details. Contributed by @ematipico
Add new options --write, --fix (alias of --write) and --unsafe to the command biome lint and biome check.
Add a new option --fix (alias of --write) to the command biome format and biome migrate.
biome <lint|check> --<write|fix> [--unsafe]
biome format --<write|fix>
biome migrate --<write|fix>
The biome <lint|check> --<write|fix> has the same behavior as biome <lint|check> --apply.
The biome <lint|check> --<write|fix> --unsafe has the same behavior as biome <lint|check> --apply-unsafe.
The biome format --fix has the same behavior as biome format --write.
The biome migrate --fix has the same behavior as biome migrate --write.
This change allows these commands to write modifications in the same options.
With this change, the --apply and --apply-unsafe options are deprecated.
Biome now executes commands (lint, format, check and ci) on the working directory by default. #2266 Contributed by @unvalley
- biome check .+ biome check # You can run the command without the path
biome migrate eslint now tries to convert ESLint ignore patterns into Biome ignore patterns.
ESLint uses gitignore patterns.
Biome now tries to convert these patterns into Biome ignore patterns.
For example, the gitignore pattern /src is a relative path to the file in which it appears.
Biome now recognizes this and translates this pattern to ./src.
biome migrate eslint now supports the eslintIgnore field in package.json.
ESLint allows the use of package.json as an ESLint configuration file.
ESLint supports two fields: eslintConfig and eslintIgnore.
Biome only supported the former. It now supports both.
Add a new --reporter called summary. This reporter will print diagnostics in a different way, based on the tools (formatter, linter, etc.) that are executed.
Import sorting and formatter shows the name of the files that require formatting. Instead, the linter will group the number of rules triggered and the number of errors/warnings:
Formatter ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
The following files needs to be formatted:
main.ts
index.ts
Organize Imports ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
The following files needs to have their imports sorted:
main.ts
index.ts
Analyzer ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Some analyzer rules were triggered
Rule Name Diagnostics
lint/suspicious/noImplicitAnyLet 12 (12 error(s), 0 warning(s), 0 info(s))
lint/suspicious/noDoubleEquals 8 (8 error(s), 0 warning(s), 0 info(s))
lint/suspicious/noRedeclare 12 (12 error(s), 0 warning(s), 0 info(s))
lint/suspicious/noDebugger 20 (20 error(s), 0 warning(s), 0 info(s))
biome ci now enforces printing the output using colours. If you were previously using --colors=force, you can remove it because it's automatically set. Contributed by @ematipico
Add a new --reporter called github. This reporter will print diagnostics using GitHub workflow commands:
::error title=lint/suspicious/noDoubleEquals,file=main.ts,line=4,endLine=4,col=3,endColumn=5::Use === instead of ==
::error title=lint/suspicious/noDebugger,file=main.ts,line=6,endLine=6,col=1,endColumn=9::This is an unexpected use of the debugger statement.
::error title=lint/nursery/noEvolvingAny,file=main.ts,line=8,endLine=8,col=5,endColumn=6::This variable's type is not allowed to evolve implicitly, leading to potential any types.
Add a new --reporter called junit. This reporter will print diagnostics using GitHub workflow commands:
<?xml version="1.0" encoding="UTF-8"?>
<testsuitesname="Biome"tests="16"failures="16"errors="20"time="<TIME>">
<testsuitename="main.ts"tests="1"disabled="0"errors="0"failures="1"package="org.biome">
<testcasename="org.biome.lint.suspicious.noDoubleEquals"line="4"column="3">
<failuremessage="Use === instead of ==. == is only allowed when comparing against `null`">line 3, col 2, Use === instead of ==. == is only allowed when comparing against `null`</failure>
</testcase>
</testsuite>
<testsuitename="main.ts"tests="1"disabled="0"errors="0"failures="1"package="org.biome">
<testcasename="org.biome.lint.suspicious.noDebugger"line="6"column="1">
<failuremessage="This is an unexpected use of the debugger statement.">line 5, col 0, This is an unexpected use of the debugger statement.</failure>
</testcase>
</testsuite>
<testsuitename="main.ts"tests="1"disabled="0"errors="0"failures="1"package="org.biome">
<testcasename="org.biome.lint.nursery.noEvolvingAny"line="8"column="5">
<failuremessage="This variable's type is not allowed to evolve implicitly, leading to potential any types.">line 7, col 4, This variable's type is not allowed to evolve implicitly, leading to potential any types.</failure>
</testcase>
</testsuite>
</testsuites>
Fix #3024, where running biome init would create biome.json even if biome.jsonc already exists. Contributed by @minht11
Configuration
New features
Add an rule option fix to override the code fix kind of a rule (#2882).
A rule can provide a safe or an unsafe code action.
You can now tune the kind of code actions thanks to the fix option.
This rule option takes a value among:
none: the rule no longer emits code actions.
safe: the rule emits safe code action.
unsafe: the rule emits unsafe code action.
The following configuration disables the code actions of noUnusedVariables, makes the emitted code actions of style/useConst and style/useTemplate unsafe and safe respectively.
Add option javascript.linter.enabled to control the linter for JavaScript (and its super languages) files. Contributed by @ematipico
Add option json.linter.enabled to control the linter for JSON (and its super languages) files. Contributed by @ematipico
Add option css.linter.enabled to control the linter for CSS (and its super languages) files. Contributed by @ematipico
Add option css.formatter, to control the formatter options for CSS (and its super languages) files. Contributed by @ematipico
You can now change the severity of lint rules down to "info". The "info" severity doesn't emit error codes, and it isn't affected by other options like --error-on-warnings:
The javascript.formatter.trailingComma option is deprecated and renamed to javascript.formatter.trailingCommas. The corresponding CLI option --trailing-comma is also deprecated and renamed to --trailing-commas. Details can be checked in #2492. Contributed by @Sec-ant
Bug fixes
Fix a bug where if the formatter was disabled at the language level, it could be erroneously enabled by an
override that did not specify the formatter section #2924. Contributed by @dyc3
Fix #2990, now Biome doesn't add a trailing comma when formatting biome.json. Contributed by @dyc3
Editors
New features
Add support for LSP Workspaces
Enhancements
The LSP doesn't crash anymore when the configuration file contains errors. If the configuration contains errors, Biome now shows a pop-up to the user, and it will only parse files using the default configuration.
Formatting and linting is disabled until the configuration file is fixed. Contributed by @ematipico
Bug fixes
Fixes #2781, by correctly computing the configuration to apply to a specific file. Contributed by @ematipico
Formatter
Bug fixes
Fix #2470 by avoid introducing linebreaks in single line string interpolations. Contributed by @ah-yu
Resolve deadlocks by narrowing the scope of locks. Contributed by @mechairoi
Fix #2782 by computing the enabled rules by taking the override settings into consideration. Contributed by @ematipico
Previously, Biome bound unqualified type to import namespaces.
Import namespaces can only be used as qualified names in a type (ambient) context.
// Unused importimport*asNs1from"";// This doesn't reference the import namespace `Ns1`typeT1=Ns1;// Undeclared variable `Ns1`// Unused importimporttype*asNs2from"";// This doesn't reference the import namespace `Ns2`typeT2=Ns2;// Undeclared variable `Ns2`importtype*asNs3from"";// This references the import namespace because it is a qualified name.typeT3=Ns3.Inner;// This also references the import namespace.exporttype{Ns3}
A constant can be imported as a type and used in a computed member name of a member signature.
Previously, Biome was unable to bind the value imported as a type to the computed member name.
noExcessiveNestedTestSuites no longer erroneously alerts on describe calls that are not invoking the global describe function. #2599 Contributed by @dyc3
// now validz.object({}).describe('').describe('').describe('').describe('').describe('').describe('');
noEmptyBlockStatements no longer reports empty constructors using typescript parameter properties. #3005 Contributed by @dyc3
noEmptyBlockStatements no longer reports empty private or protected constructors. Contributed by @dyc3
Previously, useExportType removed leading comments when it factorized the type qualifier.
It now provides a code fix that preserves the leading comments:
- export {+ export type {
/**leading comment*/
- type T+ T
}
Import sorting now ignores side effect imports (#817).
A side effect import consists now in its own group.
This ensures that side effect imports are not reordered.
Here is an example of how imports are now sorted:
import "z"
- import { D } from "d";
import { C } from "c";
+ import { D } from "d";
import "y"
import "x"
- import { B } from "b";
import { A } from "a";
+ import { B } from "b";
import "w"
Import sorting now adds spaces where needed (#1665)
Contributed by @Conaclos
CLI
Bug fixes
biome migrate eslint now handles cyclic references.
Some plugins and configurations export objects with cyclic references.
This causes biome migrate eslint to fail or ignore them.
These edge cases are now handled correctly.
noRedeclare now reports redeclarations of parameters in a functions body (#2394).
The rule was unable to detect redeclarations of a parameter or a type parameter in the function body.
The following two redeclarations are now reported:
Previously, the rule didn't add parentheses when they were needed.
It now adds parentheses when the function signature is inside an array, a union, or an intersection.
- type Union = { (): number } | string;+ type Union = (() => number) | string;
Complete the well-known file lists for JSON-like files. Trailing commas are allowed in .jsonc files by default. Some well-known files like tsconfig.json and .babelrc don't use the .jsonc extension but still allow comments and trailing commas. While others, such as .eslintrc.json, only allow comments. Biome is able to identify these files and adjusts the json.parser.allowTrailingCommas option accordingly to ensure they are correctly parsed. Contributed by @Sec-ant
Fix dedent logic inconsistent with prettier where the indent-style is space and the indent-width is not 2. Contributed by @mdm317
renovatebot
changed the title
chore(deps): update dependency @biomejs/biome to v1.6.3
chore(deps): update dependency @biomejs/biome to v1.6.4
Apr 3, 2024
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changed the title
chore(deps): update dependency @biomejs/biome to v1.6.4
chore(deps): update dependency @biomejs/biome to v1.7.0
Apr 15, 2024
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changed the title
chore(deps): update dependency @biomejs/biome to v1.7.0
chore(deps): update dependency @biomejs/biome to v1.7.1
Apr 22, 2024
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changed the title
chore(deps): update dependency @biomejs/biome to v1.7.1
chore(deps): update dependency @biomejs/biome to v1.7.2
Apr 30, 2024
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changed the title
chore(deps): update dependency @biomejs/biome to v1.7.2
chore(deps): update dependency @biomejs/biome to v1.7.3
May 6, 2024
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changed the title
chore(deps): update dependency @biomejs/biome to v1.7.3
chore(deps): update dependency @biomejs/biome to v1.8.0
Jun 4, 2024
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changed the title
chore(deps): update dependency @biomejs/biome to v1.8.0
chore(deps): update dependency @biomejs/biome to v1.8.1
Jun 10, 2024
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changed the title
chore(deps): update dependency @biomejs/biome to v1.8.1
chore(deps): update dependency @biomejs/biome to v1.8.2
Jun 20, 2024
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changed the title
chore(deps): update dependency @biomejs/biome to v1.8.2
chore(deps): update dependency @biomejs/biome to v1.8.3
Jun 27, 2024
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This PR contains the following updates:
1.4.1
->1.8.3
Release Notes
biomejs/biome (@biomejs/biome)
v1.8.3
Compare Source
CLI
Bug fixes
Fix #3104 by suppressing node warnings when using
biome migrate
. Contributed by @SuperchupuDevForce colors to be off when using the GitHub reporter to properly create annotations in GitHub actions (#3148). Contributed by @Sec-ant
Parser
Bug fixes
Formatter
Bug fixes
Linter
New features
nursery/useDeprecatedReason
rule. Contributed by @vohoanglong0107.Bug fixes
useConsistentArrayType
anduseShorthandArrayType
now ignoreArray
in theextends
andimplements
clauses. Fix #3247. Contributed by @Conaclospackage.json
. Contributed by @ematipicouseArrowFunction
rule now preserves a trailing comma when there is only a single type parameter in the arrow function and JSX is enabled. Fixes #3292. Contributed by @Sec-antEnhancements
Enhance tailwind sorting lint rule #1274 with variant support.
Every preconfigured variant is assigned a
weight
that concurs on establishing the output sorting order.Since nesting variants on the same utility class is possible, the resulting
weight
is the Bitwise XOR of all the variants weight for that class.Dynamic variants (e.g.
has-[.custom-class]
,group-[:checked]
) are also supported and they take theweight
of their base variant name the custom value attached (e.g.has-[.custom-class]
takeshas
weight).Arbitrary variants (e.g.
[&nth-child(2)]
) don't have a weight assigned and they are placed after every known variant.Classes with the same amount of arbitrary variants follow lexicographical order. The class that has the highest number of nested arbitrary variants is placed last.
Screen variants (e.g.
sm:
,max-md:
,min-lg:
) are not supported yet.Contributed by @lutaok
v1.8.2
Compare Source
CLI
Bug fixes
biome migrate
and thus choke the parser. Contributed by @Sec-antEnhancement
Reword the reporter message
No fixes needed
toNo fixes applied
.The former message is misleading when there're still errors or warnings in the files that should be taken care of manually. For example:
The new message suits better in these cases.
Contributed by @Sec-ant
Configuration
Bug fixes
Don't conceal previous overrides (#3176).
Previously, each override inherited the unset configuration of the base configuration.
This means that setting a configuration in an override can be concealed by a subsequent override that inherits of the value from the base configuration.
For example, in the next example,
noDebugger
was disabled for theindex.js
file.The rule is now correctly enabled for the
index.js
file.Contributed by @Conaclos
Formatter
Bug fixes
JavaScript APIs
Bug fixes
v1.8.0
Linter
New features
Bug fixes
Add nursery/noShorthandPropertyOverrides. #2958 Contributed by @neokidev
Fix [#3084] false positive by correctly recognize parenthesized return statement. Contributed by @unvalley
useImportExtensions now suggests a correct fix for
import '.'
andimport './.'
. Contributed by @minht11Fix useDateNow false positive when new Date object has arguments
new Date(0).getTime()
. Contributed by @minht11.The
noUnmatchableAnbSelector
rule is now able to catch unmatchablean+b
selectors like0n+0
or-0n+0
. Contributed by @Sec-ant.The
useHookAtTopLevel
rule now recognizes properties named as hooks likefoo.useFoo()
. Contributed by @ksnyder9801Fix #3092, prevent warning for
Custom properties (--*)
. Contributed by @chansukeFix a false positive in the
useLiteralKeys
rule. (#3160)This rule now ignores the following kind of computed member name:
Contributed by @Sec-ant
The noUnknownProperty rule now ignores the
composes
property often used in css modules. #3000 Contributed by @chansukeFix false positives of the useExhaustiveDependencies rule.
The component itself is considered stable when it is used recursively inside a hook closure defined inside of it:
Also,
export default function
andexport default class
are considered stable now because they can only appear at the top level of a module.Contributed by @Sec-ant
Fix missing
withDefaults
macro in vue files for globals variables. Contributed by @Shyam-ChenParser
Bug fixes
v1.8.1
Compare Source
Analyzer
CLI
Bug fixes
--staged
or--changed
options. Contributed by @unvalleyConfiguration
Bug fixes
indentWidth
. Contributed by @ematipicoEditors
Formatter
Bug fixes
JavaScript APIs
Linter
Bug fixes
The
noEmptyBlock
css lint rule now treats empty blocks containing comments as valid ones. Contributed by @Sec-antuseLiteralKeys no longer reports quoted member names (#3085).
Previously useLiteralKeys reported quoted member names that can be unquoted.
For example, the rule suggested the following fix:
This conflicted with the option quoteProperties of our formatter.
The rule now ignores quoted member names.
Contributed by @Conaclos
noEmptyInterface now ignores empty interfaces in ambient modules (#3110). Contributed by @Conaclos
noUnusedVariables and noUnusedFunctionParameters no longer report the parameters of a constructor type (#3135).
Previously,
arg
was reported as unused in a constructor type like:Contributed by @Conaclos
noStringCaseMismatch now ignores escape sequences (#3134).
The following code is no longer reported by the rule:
Contributed by @Conaclos
Parser
New features
Bug fixes
v1.8.0
Compare Source
Analyzer
New features
used for the lint rule
useExhaustiveDependencies
, which is now able tosuppress specific dependencies. Fixes #2509. Contributed by @arendjr
Enhancements
Astro
object is always a global when processing.astro
files. Contributed by @minht11.vue
files. (#2771) Contributed by @dyc3CLI
New features
New
clean
command. Use this new command to clean after thebiome-logs
directory, and remove all the log files.Add two new options
--only
and--skip
to the commandbiome lint
(#58).The
--only
option allows you to run a given rule or rule group,For example, the following command runs only the
style/useNamingConvention
andstyle/noInferrableTypes
rules.If the rule is disabled in the configuration, then its severity level is set to
error
for a recommended rule orwarn
otherwise.Passing a group does not change the severity level of the rules in the group.
All the disabled rules in the group will remain disabled.
To ensure that the group is run, the
recommended
field of the group is enabled.The
nursery
group cannot be passed, as no rules are enabled by default in the nursery group.The
--skip
option allows you to skip the execution of a given group or a given rule.For example, the following command skips the
style
group and thesuspicious/noExplicitAny
rule.You can also use
--only
and--skip
together.--skip
oevrrides--only
.The following command executes only the rules from the
style
group, but thestyle/useNamingConvention
rule.These options are compatible with other options such as
--write
(previously--apply
), and--reporter
.Contributed by @Conaclos
Add new command
biome clean
. Use this command to purge all the logs emitted by the Biome daemon. This command is really useful, because the Biome daemon tendslog many files and contents during its lifecycle. This means that if your editor is open for hours (or even days), the
biome-logs
folder could become quite heavy. Contributed by @ematipicoAdd support for formatting and linting CSS files from the CLI. These operations are opt-in for the time being.
If you don't have a configuration file, you can enable these features with
--css-formatter-enabled
and--css-linter-enabled
:Contributed by @ematipico
Add new CLI options to control the CSS formatting. Check the CLI reference page for more details. Contributed by @ematipico
Add new options
--write
,--fix
(alias of--write
) and--unsafe
to the commandbiome lint
andbiome check
.Add a new option
--fix
(alias of--write
) to the commandbiome format
andbiome migrate
.The
biome <lint|check> --<write|fix>
has the same behavior asbiome <lint|check> --apply
.The
biome <lint|check> --<write|fix> --unsafe
has the same behavior asbiome <lint|check> --apply-unsafe
.The
biome format --fix
has the same behavior asbiome format --write
.The
biome migrate --fix
has the same behavior asbiome migrate --write
.This change allows these commands to write modifications in the same options.
With this change, the
--apply
and--apply-unsafe
options are deprecated.Contributed by @unvalley
Enhancements
Biome now executes commands (lint, format, check and ci) on the working directory by default. #2266 Contributed by @unvalley
biome migrate eslint
now tries to convert ESLint ignore patterns into Biome ignore patterns.ESLint uses gitignore patterns.
Biome now tries to convert these patterns into Biome ignore patterns.
For example, the gitignore pattern
/src
is a relative path to the file in which it appears.Biome now recognizes this and translates this pattern to
./src
.Contributed by @Conaclos
biome migrate eslint
now supports theeslintIgnore
field inpackage.json
.ESLint allows the use of
package.json
as an ESLint configuration file.ESLint supports two fields:
eslintConfig
andeslintIgnore
.Biome only supported the former. It now supports both.
Contributed by @Conaclos
biome migrate eslint
now propagates NodeJS errors to the user.This will help users to identify why Biome is unable to load some ESLint configurations.
Contributed by @Conaclos
Add a new
--reporter
calledsummary
. This reporter will print diagnostics in a different way, based on the tools (formatter, linter, etc.) that are executed.Import sorting and formatter shows the name of the files that require formatting. Instead, the linter will group the number of rules triggered and the number of errors/warnings:
Contributed by @ematipico
biome ci
now enforces printing the output using colours. If you were previously using--colors=force
, you can remove it because it's automatically set. Contributed by @ematipicoAdd a new
--reporter
calledgithub
. This reporter will print diagnostics using GitHub workflow commands:Contributed by @ematipico
Add a new
--reporter
calledjunit
. This reporter will print diagnostics using GitHub workflow commands:Contributed by @ematipico
Bug fixes
biome init
would createbiome.json
even ifbiome.jsonc
already exists. Contributed by @minht11Configuration
New features
Add an rule option
fix
to override the code fix kind of a rule (#2882).A rule can provide a safe or an unsafe code action.
You can now tune the kind of code actions thanks to the
fix
option.This rule option takes a value among:
none
: the rule no longer emits code actions.safe
: the rule emits safe code action.unsafe
: the rule emits unsafe code action.The following configuration disables the code actions of
noUnusedVariables
, makes the emitted code actions ofstyle/useConst
andstyle/useTemplate
unsafe and safe respectively.Contributed by @Conaclos
Add option
javascript.linter.enabled
to control the linter for JavaScript (and its super languages) files. Contributed by @ematipicoAdd option
json.linter.enabled
to control the linter for JSON (and its super languages) files. Contributed by @ematipicoAdd option
css.linter.enabled
to control the linter for CSS (and its super languages) files. Contributed by @ematipicoAdd option
css.formatter
, to control the formatter options for CSS (and its super languages) files. Contributed by @ematipicoYou can now change the severity of lint rules down to
"info"
. The"info"
severity doesn't emit error codes, and it isn't affected by other options like--error-on-warnings
:Contributed by @ematipico
Enhancements
javascript.formatter.trailingComma
option is deprecated and renamed tojavascript.formatter.trailingCommas
. The corresponding CLI option--trailing-comma
is also deprecated and renamed to--trailing-commas
. Details can be checked in #2492. Contributed by @Sec-antBug fixes
override that did not specify the formatter section #2924. Contributed by @dyc3
biome.json
. Contributed by @dyc3Editors
New features
Enhancements
Formatting and linting is disabled until the configuration file is fixed. Contributed by @ematipico
Bug fixes
Formatter
Bug fixes
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:
New features
Add nursery/useDateNow. Contributed by @minht11
Add nursery/useErrorMessage. Contributed by @minht11
Add nursery/useThrowOnlyError. Contributed by @minht11
Add nursery/useImportExtensions. Contributed by @minht11
useNamingConvention now supports an option to enforce custom conventions (#1900).
For example, you can enforce the use of a prefix for private class members:
Please, find more details in the rule documentation.
Contributed by @Conaclos
Add nursery/useNumberToFixedDigitsArgument.
Contributed by @minht11
Add nursery/useThrowNewError.
Contributed by @minht11
Add nursery/useTopLevelRegex, which enforces defining regular expressions at the top level of a module. #2148 Contributed by @dyc3.
Add nursery/noCssEmptyBlock. #2513 Contributed by @togami2864
Add nursery/noDuplicateAtImportRules. #2658 Contributed by @DerTimonius
Add nursery/noDuplicateFontNames. #2308 Contributed by @togami2864
Add nursery/noDuplicateSelectorsKeyframeBlock. #2534 Contributed by @isnakode
Add nursery/noImportantInKeyframe. #2542 Contributed by @isnakode
Add nursery/noInvalidPositionAtImportRule. #2717 Contributed by @t-shiratori
Add nursery/noUnknownFunction. #2570 Contributed by @neokidev
Add nursery/noUnknownMediaFeatureName. #2751 Contributed by @Kazuhiro-Mimaki
Add nursery/noUnknownProperty. #2755 Contributed by @chansuke
Add nursery/noUnknownSelectorPseudoElement. #2655 Contributed by @keita-hino
Add nursery/noUnknownUnit. #2535 Contributed by @neokidev
Add nursery/noUnmatchableAnbSelector. #2706 Contributed by @togami2864
Add nursery/useGenericFontNames. #2573 Contributed by @togami2864
Add nursery/noYodaExpression. Contributed by @michellocana
Add nursery/noUnusedFunctionParameters Contributed by @printfn
Enhancements
Add a code action for noConfusingVoidType and improve the diagnostics.
The rule now suggests using
undefined
instead ofvoid
in confusing places.The diagnosis is also clearer.
Contributed by @Conaclos
Improve code action for nursery/noUselessUndefinedInitialization to handle comments.
The rule now places inline comments after the declaration statement, instead of removing them.
The code action is now safe to apply.
Contributed by @lutaok
Make useExhaustiveDependencies report duplicate dependencies. Contributed by @tunamaguro
Rename
noEvolvingAny
intonoEvolvingTypes
(#48). Contributed by @ConaclosBug fixes
noUndeclaredVariables and noUnusedImports now correctly handle import namespaces (#2796).
Previously, Biome bound unqualified type to import namespaces.
Import namespaces can only be used as qualified names in a type (ambient) context.
Contributed by @Conaclos
noUndeclaredVariables now correctly handle ambient computed member names (#2975).
A constant can be imported as a type and used in a computed member name of a member signature.
Previously, Biome was unable to bind the value imported as a type to the computed member name.
Contributed by @Conaclos
noUndeclaredVariables now ignores
this
in JSX components (#2636).The rule no longer reports
this
as undeclared in following code.Contributed by @printfn and @Conaclos
useJsxKeyInIterable
now handles more cases involving fragments. See the snippets below. Contributed by @dyc3noExcessiveNestedTestSuites
no longer erroneously alerts ondescribe
calls that are not invoking the globaldescribe
function. #2599 Contributed by @dyc3noEmptyBlockStatements
no longer reports empty constructors using typescript parameter properties. #3005 Contributed by @dyc3noEmptyBlockStatements
no longer reports empty private or protected constructors. Contributed by @dyc3noExportsInTest rule no longer treats files with in-source testing as test files https://github.com/biomejs/biome/issues/2859. Contributed by @ah-yu
useSortedClasses now keeps leading and trailing spaces when applying the code action inside template literals:
noUndeclaredDependencies is correctly triggered when running
biome ci
. Contributed by @ematipiconoUnusedVariables no longer panics when a certain combination of characters is typed. Contributed by @ematipico
noUndeclaredVariables no logger alerts on
arguments
object in a function scope. Contributed by @ah-yuParser
Enhancements
lang="tsx"
is now supported in Vue Single File Components. #2765 Contributed by @dyc3Bug fixes
The
const
modifier for type parameters is now accepted for TypeScriptnew
signatures (#2825).The following code is now correctly parsed:
Contributed by @Conaclos
Some invalid TypeScript syntax caused the Biome parser to crash.
The following invalid syntax no longer causes the Biome parser to crash:
Contributed by @Conaclos
v1.7.3
Compare Source
CLI
Bug fixes
The stdin-file-path option now works correctly for Astro/Svelte/Vue files (#2686)
Fix #2225 where lint output become empty for Vue files.
Contributed by @tasshi-me
biome migrate eslint
now correctly resolve@scope/eslint-config
(#2705). Contributed by @ConaclosFormatter
Linter
New features
Bug fixes
noBlankTarget no longer hangs when applying a code fix (#2675).
Previously, the following code made Biome hangs when applying a code fix.
Contributed by @Conaclos
noRedeclare no longer panics on conditional type (#2659).
This is a regression introduced by #2394.
This regression makes
noRedeclare
panics on every conditional types withinfer
bindings.Contributed by @Conaclos
noUnusedLabels and noConfusingLabels now ignore svelte reactive statements (#2571).
The rules now ignore reactive Svelte blocks in Svelte components.
Contributed by @Conaclos
useExportType no longer removes leading comments (#2685).
Previously,
useExportType
removed leading comments when it factorized thetype
qualifier.It now provides a code fix that preserves the leading comments:
Contributed by @Conaclos
useJsxKeyInIterable no longer reports false positive when iterating on non-jsx items (#2590).
The following snipet of code no longer triggers the rule:
Contributed by @dyc3
Fix typo by renaming
useConsistentBuiltinInstatiation
touseConsistentBuiltinInstantiation
Contributed by @minht11
v1.7.2
Compare Source
Analyzer
Bug fixes
Import sorting now ignores side effect imports (#817).
A side effect import consists now in its own group.
This ensures that side effect imports are not reordered.
Here is an example of how imports are now sorted:
Contributed by @Conaclos
Import sorting now adds spaces where needed (#1665)
Contributed by @Conaclos
CLI
Bug fixes
biome migrate eslint
now handles cyclic references.Some plugins and configurations export objects with cyclic references.
This causes
biome migrate eslint
to fail or ignore them.These edge cases are now handled correctly.
Contributed by @Conaclos
Formatter
Bug fixes
Linter
New features
Add nursery/noReactSpecificProps.
Contributed by @marvin-j97
Add noUselessUndefinedInitialization.
Contributed by @lutaok
Add nursery/useArrayLiterals.
Contributed by @Kazuhiro-Mimaki
Add nursery/useConsistentBuiltinInstatiation.
Contributed by @minht11
Add nursery/useDefaultSwitchClause.
Contributed by @michellocana
Bug fixes
noDuplicateJsonKeys no longer crashes when a JSON file contains an unterminated string (#2357).
Contributed by @Conaclos
noRedeclare now reports redeclarations of parameters in a functions body (#2394).
The rule was unable to detect redeclarations of a parameter or a type parameter in the function body.
The following two redeclarations are now reported:
Contributed by @Conaclos
noRedeclare no longer reports overloads in object types (#2608).
The rule no longer report redeclarations in the following code:
Contributed by @Conaclos
noRedeclare now merge default function export declarations and types (#2372).
The following code is no longer reported as a redeclaration:
Contributed by @Conaclos
noUndeclaredVariables no longer reports variable-only and type-only exports (#2637).
Contributed by @Conaclos
noUnusedVariables no longer crash Biome when encountering a malformed conditional type (#1695).
Contributed by @Conaclos
useConst now ignores a variable that is read before its assignment.
Previously, the rule reported the following example:
It is now correctly ignored.
Contributed by @Conaclos
useShorthandFunctionType now suggests correct code fixes when parentheses are required (#2595).
Previously, the rule didn't add parentheses when they were needed.
It now adds parentheses when the function signature is inside an array, a union, or an intersection.
Contributed by @Conaclos
useTemplate now correctly escapes strings (#2580).
Previously, the rule didn't correctly escape characters preceded by an escaped character.
Contributed by @Conaclos
noMisplacedAssertion now allow these matchers
expect.any()
expect.anything()
expect.closeTo
expect.arrayContaining
expect.objectContaining
expect.stringContaining
expect.stringMatching
expect.extend
expect.addEqualityTesters
expect.addSnapshotSerializer
Contributed by @fujiyamaorange
Parser
Bug fixes
The language parsers no longer panic on unterminated strings followed by a newline and a space (#2606, #2410).
The following example is now parsed without making Biome panics:
Contributed by @Conaclos
v1.7.1
Compare Source
Editors
Bug fixes
Formatter
Bug fixes
Add parentheses for the return expression that has leading multiline comments. #2504. Contributed by @ah-yu
Correctly format dangling comments of continue statements. #2555. Contributed by @ah-yu
Linter
Bug fixes
jsxRuntime
wasn't being respected byuseImportType
rule (#2473).Contributed by @arendjrnoUselessFragments
was crashing the linter in some cases. Now cases like these are correctly handled:noDuplicateJsonKeys
incorrectly computed the kes to highlight. Contributed by @ematipicoEnhancements
noMisplacedAssertions
now considers valid callingexpect
insidewaitFor
:v1.7.0
Compare Source
Analyzer
Bug fixes
Now Biome can detect the script language in Svelte and Vue script blocks more reliably (#2245). Contributed by @Sec-ant
useExhaustiveDependencies
no longer reports recursive calls as missingdependencies (#2361).
Contributed by @arendjr
useExhaustiveDependencies
correctly reports missing dependencies declaredusing function declarations (#2362).
Contributed by @arendjr
Biome now can handle
.svelte
and.vue
files withCRLF
as the end-of-line sequence. Contributed by @Sec-antnoMisplacedAssertion
no longer reports method calls bydescribe
,test
,it
objects (e.g.test.each([])()
) (#2443). Contributed by @unvalley.Biome now can handle
.vue
files with generic components (#2456).Contributed by @Sec-ant
Enhancements
Complete the well-known file lists for JSON-like files. Trailing commas are allowed in
.jsonc
files by default. Some well-known files liketsconfig.json
and.babelrc
don't use the.jsonc
extension but still allow comments and trailing commas. While others, such as.eslintrc.json
, only allow comments. Biome is able to identify these files and adjusts thejson.parser.allowTrailingCommas
option accordingly to ensure they are correctly parsed. Contributed by @Sec-antFix dedent logic inconsistent with prettier where the indent-style is space and the indent-width is not 2. Contributed by @mdm317
CLI
New features
Add a command to migrate from ESLint
biome migrate eslint
allows you to migrate an ESLint configuration to Biome.The command supports legacy ESLint configurations and new flat ESLint configurations.
Legacy ESLint configurations using the YAML format are not
Configuration
📅 Schedule: Branch creation - "every 3 months on the first day of the month" (UTC), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ 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.
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