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This PR contains the following updates:
5.61.0
->5.62.0
5.61.0
->5.62.0
0.18.11
->0.18.17
8.44.0
->8.46.0
2.27.5
->2.28.0
5.6.4
->5.6.6
Release Notes
typescript-eslint/typescript-eslint (@typescript-eslint/eslint-plugin)
v5.62.0
Compare Source
Bug Fixes
Features
ignorePrimitives
option (#6487) (6edaa04)You can read about our versioning strategy and releases on our website.
typescript-eslint/typescript-eslint (@typescript-eslint/parser)
v5.62.0
Compare Source
Note: Version bump only for package @typescript-eslint/parser
You can read about our versioning strategy and releases on our website.
evanw/esbuild (esbuild)
v0.18.17
Compare Source
Support
An+B
syntax and:nth-*()
pseudo-classes in CSSThis adds support for the
:nth-child()
,:nth-last-child()
,:nth-of-type()
, and:nth-last-of-type()
pseudo-classes to esbuild, which has the following consequences:An+B
syntax is now parsed, so parse errors are now reportedAn+B
values inside these pseudo-classes are now pretty-printed (e.g. a leading+
will be stripped because it's not in the AST)An+B
values are reduced to equivalent but shorter forms (e.g.2n+0
=>2n
,2n+1
=>odd
)of
clause are now detected (e.g. in:nth-child(2n of :local(.foo))
the namefoo
is now renamed)Adjust CSS nesting parser for IE7 hacks (#3272)
This fixes a regression with esbuild's treatment of IE7 hacks in CSS. CSS nesting allows selectors to be used where declarations are expected. There's an IE7 hack where prefixing a declaration with a
*
causes that declaration to only be applied in IE7 due to a bug in IE7's CSS parser. However, it's valid for nested CSS selectors to start with*
. So esbuild was incorrectly parsing these declarations and anything following it up until the next{
as a selector for a nested CSS rule. This release changes esbuild's parser to terminate the parsing of selectors for nested CSS rules when a;
is encountered to fix this edge case:Note that the syntax for CSS nesting is about to change again, so esbuild's CSS parser may still not be completely accurate with how browsers do and/or will interpret CSS nesting syntax. Expect additional updates to esbuild's CSS parser in the future to deal with upcoming CSS specification changes.
Adjust esbuild's warning about undefined imports for TypeScript
import
equals declarations (#3271)In JavaScript, accessing a missing property on an import namespace object is supposed to result in a value of
undefined
at run-time instead of an error at compile-time. This is something that esbuild warns you about by default because doing this can indicate a bug with your code. For example:If you bundle
app.js
with esbuild you will get this:However, there is TypeScript-only syntax for
import
equals declarations that can represent either a type import (which esbuild should ignore) or a value import (which esbuild should respect). Since esbuild doesn't have a type system, it tries to only respectimport
equals declarations that are actually used as values. Previously esbuild always generated this warning for unused imports referenced withinimport
equals declarations even when the reference could be a type instead of a value. Starting with this release, esbuild will now only warn in this case if the import is actually used. Here is an example of some code that no longer causes an incorrect warning:v0.18.16
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Fix a regression with whitespace inside
:is()
(#3265)The change to parse the contents of
:is()
in version 0.18.14 introduced a regression that incorrectly flagged the contents as a syntax error if the contents started with a whitespace token (for examplediv:is( .foo ) {}
). This regression has been fixed.v0.18.15
Compare Source
Add the
--serve-fallback=
option (#2904)The web server built into esbuild serves the latest in-memory results of the configured build. If the requested path doesn't match any in-memory build result, esbuild also provides the
--servedir=
option to tell esbuild to serve the requested path from that directory instead. And if the requested path doesn't match either of those things, esbuild will either automatically generate a directory listing (for directories) or return a 404 error.Starting with this release, that last step can now be replaced with telling esbuild to serve a specific HTML file using the
--serve-fallback=
option. This can be used to provide a "not found" page for missing URLs. It can also be used to implement a single-page app that mutates the current URL and therefore requires the single app entry point to be served when the page is loaded regardless of whatever the current URL is.Use the
tsconfig
field inpackage.json
duringextends
resolution (#3247)This release adds a feature from TypeScript 3.2 where if a
tsconfig.json
file specifies a package name in theextends
field and that package'spackage.json
file has atsconfig
field, the contents of that field are used in the search for the basetsconfig.json
file.Implement CSS nesting without
:is()
when possible (#1945)Previously esbuild would always produce a warning when transforming nested CSS for a browser that doesn't support the
:is()
pseudo-class. This was because the nesting transform needs to generate an:is()
in some complex cases which means the transformed CSS would then not work in that browser. However, the CSS nesting transform can often be done without generating an:is()
. So with this release, esbuild will no longer warn when targeting browsers that don't support:is()
in the cases where an:is()
isn't needed to represent the nested CSS.In addition, esbuild's nested CSS transform has been updated to avoid generating an
:is()
in cases where an:is()
is preferable but there's a longer alternative that is also equivalent. This update means esbuild can now generate a combinatorial explosion of CSS for complex CSS nesting syntax when targeting browsers that don't support:is()
. This combinatorial explosion is necessary to accurately represent the original semantics. For example:This change means you can now use CSS nesting with esbuild when targeting an older browser that doesn't support
:is()
. You'll now only get a warning from esbuild if you use complex CSS nesting syntax that esbuild can't represent in that older browser without using:is()
. There are two such cases:These two cases still need to use
:is()
, both for different reasons, and cannot be used when targeting an older browser that doesn't support:is()
:Automatically lower
inset
in CSS for older browsersWith this release, esbuild will now automatically expand the
inset
property to thetop
,right
,bottom
, andleft
properties when esbuild'starget
is set to a browser that doesn't supportinset
:Add support for the new
@starting-style
CSS rule (#3249)This at rule allow authors to start CSS transitions on first style update. That is, you can now make the transition take effect when the
display
property changes fromnone
toblock
.This was contributed by @yisibl.
v0.18.14
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Implement local CSS names (#20)
This release introduces two new loaders called
global-css
andlocal-css
and two new pseudo-class selectors:local()
and:global()
. This is a partial implementation of the popular CSS modules approach for avoiding unintentional name collisions in CSS. I'm not calling this feature "CSS modules" because although some people in the community call it that, other people in the community have started using "CSS modules" to refer to something completely different and now CSS modules is an overloaded term.Here's how this new local CSS name feature works with esbuild:
Identifiers that look like
.className
and#idName
are global with theglobal-css
loader and local with thelocal-css
loader. Global identifiers are the same across all files (the way CSS normally works) but local identifiers are different between different files. If two separate CSS files use the same local identifier.button
, esbuild will automatically rename one of them so that they don't collide. This is analogous to how esbuild automatically renames JS local variables with the same name in separate JS files to avoid name collisions.It only makes sense to use local CSS names with esbuild when you are also using esbuild's bundler to bundle JS files that import CSS files. When you do that, esbuild will generate one export for each local name in the CSS file. The JS code can import these names and use them when constructing HTML DOM. For example:
When you bundle this with
esbuild app.js --bundle --loader:.css=local-css --outdir=out
you'll now get this (notice how the local CSS nameouterShell
has been renamed):This feature only makes sense to use when bundling is enabled both because your code needs to
import
the renamed local names so that it can use them, and because esbuild needs to be able to process all CSS files containing local names in a single bundling operation so that it can successfully rename conflicting local names to avoid collisions.If you are in a global CSS file (with the
global-css
loader) you can create a local name using:local()
, and if you are in a local CSS file (with thelocal-css
loader) you can create a global name with:global()
. So the choice of theglobal-css
loader vs. thelocal-css
loader just sets the default behavior for identifiers, but you can override it on a case-by-case basis as necessary. For example:Processing this CSS file with esbuild with either the
global-css
orlocal-css
loader will result in something like this:The names that esbuild generates for local CSS names are an implementation detail and are not intended to be hard-coded anywhere. The only way you should be referencing the local CSS names in your JS or HTML is with an
import
statement in JS that is bundled with esbuild, as demonstrated above. For example, when--minify
is enabled esbuild will use a different name generation algorithm which generates names that are as short as possible (analogous to how esbuild minifies local identifiers in JS).You can easily use both global CSS files and local CSS files simultaneously if you give them different file extensions. For example, you could pass
--loader:.css=global-css
and--loader:.module.css=local-css
to esbuild so that.css
files still use global names by default but.module.css
files use local names by default.Keep in mind that the
css
loader is different than theglobal-css
loader. The:local
and:global
annotations are not enabled with thecss
loader and will be passed through unchanged. This allows you to have the option of using esbuild to process CSS containing while preserving these annotations. It also means that local CSS names are disabled by default for now (since thecss
loader is currently the default for CSS files). The:local
and:global
syntax may be enabled by default in a future release.Note that esbuild's implementation does not currently have feature parity with other implementations of modular CSS in similar tools. This is only a preliminary release with a partial implementation that includes some basic behavior to get the process started. Additional behavior may be added in future releases. In particular, this release does not implement:
composes
pragma@container
,@counter-style
, etc.Issue #20 (the issue for this feature) is esbuild's most-upvoted issue! While this release still leaves that issue open, it's an important first step in that direction.
Parse
:is
,:has
,:not
, and:where
in CSSWith this release, esbuild will now parse the contents of these pseudo-class selectors as a selector list. This means you will now get syntax warnings within these selectors for invalid selector syntax. It also means that esbuild's CSS nesting transform behaves slightly differently than before because esbuild is now operating on an AST instead of a token stream. For example:
v0.18.13
Compare Source
Add the
--drop-labels=
option (#2398)If you want to conditionally disable some development-only code and have it not be present in the final production bundle, right now the most straightforward way of doing this is to use the
--define:
flag along with a specially-named global variable. For example, consider the following code:You can build this for development and production like this:
esbuild --define:DEV=true
esbuild --define:DEV=false
One drawback of this approach is that the resulting code crashes if you don't provide a value for
DEV
with--define:
. In practice this isn't that big of a problem, and there are also various ways to work around this.However, another approach that avoids this drawback is to use JavaScript label statements instead. That's what the
--drop-labels=
flag implements. For example, consider the following code:With this release, you can now build this for development and production like this:
esbuild
esbuild --drop-labels=DEV
This means that code containing optional development-only checks can now be written such that it's safe to run without any additional configuration. The
--drop-labels=
flag takes comma-separated list of multiple label names to drop.Avoid causing
unhandledRejection
during shutdown (#3219)All pending esbuild JavaScript API calls are supposed to fail if esbuild's underlying child process is unexpectedly terminated. This can happen if
SIGINT
is sent to the parentnode
process with Ctrl+C, for example. Previously doing this could also cause an unhandled promise rejection when esbuild attempted to communicate this failure to its own child process that no longer exists. This release now swallows this communication failure, which should prevent this internal unhandled promise rejection. This change means that you can now use esbuild's JavaScript API with a customSIGINT
handler that extends the lifetime of thenode
process without esbuild's internals causing an early exit due to an unhandled promise rejection.Update browser compatibility table scripts
The scripts that esbuild uses to compile its internal browser compatibility table have been overhauled. Briefly:
caniuse-lite
and@mdn/browser-compat-data
as new data sources (replacing manually-copied information)This change means it's now much easier to keep esbuild's internal compatibility tables up to date. You can review the table changes here if you need to debug something about this change:
v0.18.12
Compare Source
Fix a panic with
const enum
inside parentheses (#3205)This release fixes an edge case where esbuild could potentially panic if a TypeScript
const enum
statement was used inside of a parenthesized expression and was followed by certain other scope-related statements. Here's a minimal example that triggers this edge case:Allow a newline in the middle of TypeScript
export type
statement (#3225)Previously esbuild incorrectly rejected the following valid TypeScript code:
Code that uses a newline after
export type
is now allowed starting with this release.Fix cross-module inlining of string enums (#3210)
A refactoring typo in version 0.18.9 accidentally introduced a regression with cross-module inlining of string enums when combined with computed property accesses. This regression has been fixed.
Rewrite
.js
to.ts
inside packages withexports
(#3201)Packages with the
exports
field are supposed to disable node's path resolution behavior that allows you to import a file with a different extension than the one in the source code (for example, importingfoo/bar
to getfoo/bar.js
). And TypeScript has behavior where you can import a non-existent.js
file and you will get the.ts
file instead. Previously the presence of theexports
field caused esbuild to disable all extension manipulation stuff which included both node's implicit file extension searching and TypeScript's file extension swapping. However, TypeScript appears to always apply file extension swapping even in this case. So with this release, esbuild will now rewrite.js
to.ts
even inside packages withexports
.Fix a redirect edge case in esbuild's development server (#3208)
The development server canonicalizes directory URLs by adding a trailing slash. For example, visiting
/about
redirects to/about/
if/about/index.html
would be served. However, if the requested path begins with two slashes, then the redirect incorrectly turned into a protocol-relative URL. For example, visiting//about
redirected to//about/
which the browser turns intohttp://about/
. This release fixes the bug by canonicalizing the URL path when doing this redirect.eslint/eslint (eslint)
v8.46.0
Compare Source
Features
8a93438
feat:require-unicode-regexp
supportv
flag (#17402) (SUZUKI Sosuke)1a2f966
feat:no-useless-escape
supportv
flag (#17420) (Yosuke Ota)ee68d1d
feat:no-empty-character-class
supportv
flag (#17419) (Milos Djermanovic)853d32b
feat: deprecate no-return-await (#17417) (Carlos Lopez)d4f02e4
feat:no-control-regex
supportv
flag (#17405) (Yosuke Ota)2a35f3e
feat:prefer-named-capture-group
supportv
flag (#17409) (Yosuke Ota)8ca8b50
feat: Better error message for flat config plugins (#17399) (Nicholas C. Zakas)509f753
feat:no-misleading-character-class
supportv
flag (#17406) (Yosuke Ota)3caf514
feat:no-regex-spaces
supportv
flag (#17407) (Yosuke Ota)b7fad2b
feat:prefer-regex-literals
supportv
flag (#17410) (Yosuke Ota)a6a3ad4
feat:no-useless-backreference
supportv
flag (#17408) (Yosuke Ota)94954a7
feat:no-invalid-regexp
supportv
flag (#17404) (Yosuke Ota)1af6eac
feat: adds option for allowing empty object patterns as parameter (#17365) (Tanuj Kanti)cf03104
feat: Improve config error messages (#17385) (Nicholas C. Zakas)Bug Fixes
9803c7c
fix: FlatESLint#getRulesMetaForResults shouldn't throw on unknown rules (#17393) (Milos Djermanovic)42faa17
fix: Update no-loop-func to not overlap with no-undef (#17358) (Matt Wilkinson)Documentation
4d474e3
docs: update with TypeScript info (#17423) (James)091f44e
docs: File extension named processor deprecation (#17362) (Matt Wilkinson)9254a6c
docs: Update README (GitHub Actions Bot)6d6dc51
docs: fix overlapping ofopen in playground
button (#17403) (Tanuj Kanti)7fc3a2c
docs: Add private class features info to no-underscore-dangle (#17386) (Matt Wilkinson)da73e58
docs: Migratingeslint-env
configuration comments (#17390) (Francesco Trotta)80dffed
docs: fix Ignoring Files section in config migration guide (#17392) (Milos Djermanovic)8a9abb7
docs: Update README (GitHub Actions Bot)7e9be4b
docs: Update README (GitHub Actions Bot)0b0bbe0
docs: Update README (GitHub Actions Bot)Chores
d1eb7e4
chore: Update ecosystem dependencies (#17427) (Nicholas C. Zakas)fab9e97
chore: package.json update for eslint-config-eslint release (ESLint Jenkins)6246711
chore: package.json update for @eslint/js release (ESLint Jenkins)0aa0bc3
chore: Add PRs to triage project (#17421) (Nicholas C. Zakas)v8.45.0
Compare Source
Features
cdd063c
feat: Expose LegacyESLint in unsupported API (#17341) (Nicholas C. Zakas)d34abe5
feat: fix indent rule for else-if (#17318) (Milos Djermanovic)Bug Fixes
b79b6fb
fix: Fix suggestion message inno-useless-escape
(#17339) (Francesco Trotta)c667055
fix: provide uniquefix
andfix.range
objects in lint messages (#17332) (Milos Djermanovic)Documentation
89f3225
docs: add playground links to correct and incorrect code blocks (#17306) (Josh Goldberg ✨)f8892b5
docs: Expand rule option schema docs (#17198) (Matt Wilkinson)8bcbf11
docs: Config Migration Guide (#17230) (Ben Perlmutter)bb30908
docs: Update README (GitHub Actions Bot)84d243b
docs: Update README (GitHub Actions Bot)b762632
docs: Update README (GitHub Actions Bot)138c096
docs: add more prefer-destructuring examples with array destructuring (#17330) (Milos Djermanovic)1fc50a8
docs:max-len
rulecode
andtabWidth
as positional arguments (#17331) (Jesús Leganés-Combarro)Chores
68f63d7
chore: package.json update for @eslint/js release (ESLint Jenkins)5ca9b4d
chore: update eslint-config-eslint exports (#17336) (Milos Djermanovic)7bf2e86
chore: remove unused dependencies (#17352) (Percy Ma)c6f8cd0
chore: RemovedefaultIgnores
from FlatESLint private members (#17349) (Francesco Trotta)0052374
chore: move jsdoc settings to eslint-config-eslint (#17338) (唯然)import-js/eslint-plugin-import (eslint-plugin-import)
v2.28.0
Compare Source
Fixed
no-duplicates
]: remove duplicate identifiers in duplicate imports ([#2577], thanks [@joe-matsec])consistent-type-specifier-style
]: fix accidental removal of comma in certain cases ([#2754], thanks [@bradzacher])ExportMap
: ImproveExportMap.for
performance on larger codebases ([#2756], thanks [@leipert])no-extraneous-dependencies
]/TypeScript: do not error when importing inline type from dev dependencies ([#1820], thanks [@andyogo])newline-after-import
]/TypeScript: do not error when re-exporting a namespaced import ([#2832], thanks [@laurens-dg])order
]: partial fix for [#2687] (thanks [@ljharb])no-duplicates
]: Detect across type and regular imports ([#2835], thanks [@benkrejci])extensions
]: handle.
and..
properly ([#2778], thanks [@benasher44])no-unused-modules
]: improve schema (thanks [@ljharb])no-unused-modules
]: report error on binding instead of parent export ([#2842], thanks [@Chamion])Changed
no-duplicates
]: fix example schema ([#2684], thanks [@simmo])group-exports
]: fix syntax highlighting ([#2699], thanks [@devinrhode2])extensions
]: reference node ESM behavior ([#2748], thanks [@xM8WVqaG])exports-last
]: usearray.prototype.findlastindex
(thanks [@ljharb])no-anonymous-default-export
]: useobject.fromentries
(thanks [@ljharb])no-unused-modules
]: usearray.prototype.flatmap
(thanks [@ljharb])ljharb/tape (tape)
v5.6.6
Compare Source
Commits
through
andresumer
to@ljharb/through
and@ljharb/resumer
c99680a
v5.6.5
Compare Source
Commits
9bbbcfe
deep-equal
109a791
Configuration
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