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This PR contains the following updates:
5.6.1
->5.6.4
0.19.4
->0.19.8
8.50.0
->8.54.0
2.28.1
->2.29.0
5.7.0
->5.7.2
Release Notes
evanw/esbuild
v0.19.8
Compare Source
Add a treemap chart to esbuild's bundle analyzer (#2848)
The bundler analyzer on esbuild's website (https://esbuild.github.io/analyze/) now has a treemap chart type in addition to the two existing chart types (sunburst and flame). This should be more familiar for people coming from other similar tools, as well as make better use of large screens.
Allow decorators after the
export
keyword (#104)Previously esbuild's decorator parser followed the original behavior of TypeScript's experimental decorators feature, which only allowed decorators to come before the
export
keyword. However, the upcoming JavaScript decorators feature also allows decorators to come after theexport
keyword. And with TypeScript 5.0, TypeScript now also allows experimental decorators to come after theexport
keyword too. So esbuild now allows this as well:In addition, esbuild's decorator parser has been rewritten to fix several subtle and likely unimportant edge cases with esbuild's parsing of exports and decorators in TypeScript (e.g. TypeScript apparently does automatic semicolon insertion after
interface
andexport interface
but not afterexport default interface
).Pretty-print decorators using the same whitespace as the original
When printing code containing decorators, esbuild will now try to respect whether the original code contained newlines after the decorator or not. This can make generated code containing many decorators much more compact to read:
v0.19.7
Compare Source
Add support for bundling code that uses import attributes (#3384)
JavaScript is gaining new syntax for associating a map of string key-value pairs with individual ESM imports. The proposal is still a work in progress and is still undergoing significant changes before being finalized. However, the first iteration has already been shipping in Chromium-based browsers for a while, and the second iteration has landed in V8 and is now shipping in node, so it makes sense for esbuild to support it. Here are the two major iterations of this proposal (so far):
Import assertions (deprecated, will not be standardized)
assert
keywordImport attributes (currently set to become standardized)
with
keywordYou can already use esbuild to bundle code that uses import assertions (the first iteration). However, this feature is mostly useless for bundlers because import assertions are not allowed to affect module resolution. It's basically only useful as an annotation on external imports, which esbuild will then preserve in the output for use in a browser (which would otherwise refuse to load certain imports).
With this release, esbuild now supports bundling code that uses import attributes (the second iteration). This is much more useful for bundlers because they are allowed to affect module resolution, which means the key-value pairs can be provided to plugins. Here's an example, which uses esbuild's built-in support for the upcoming JSON module standard:
One important consequence of the change in semantics between import assertions and import attributes is that two imports with identical paths but different import attributes are now considered to be different modules. This is because the import attributes are provided to the loader, which might then use those attributes during loading. For example, you could imagine an image loader that produces an image of a different size depending on the import attributes.
Import attributes are now reported in the metafile and are now provided to on-load plugins as a map in the
with
property. For example, here's an esbuild plugin that turns all imports with atype
import attribute equal to'cheese'
into a module that exports the cheese emoji:Warning: It's possible that the second iteration of this feature may change significantly again even though it's already shipping in real JavaScript VMs (since it has already happened once before). In that case, esbuild may end up adjusting its implementation to match the eventual standard behavior. So keep in mind that by using this, you are using an unstable upcoming JavaScript feature that may undergo breaking changes in the future.
Adjust TypeScript experimental decorator behavior (#3230, #3326, #3394)
With this release, esbuild will now allow TypeScript experimental decorators to access both static class properties and
#private
class names. For example:This will now print
true true pass
when compiled by esbuild. Previously esbuild evaluated TypeScript decorators outside of the class body, so it didn't allow decorators to accessFoo
or#foo
. Now esbuild does something different, although it's hard to concisely explain exactly what esbuild is doing now (see the background section below for more information).Note that TypeScript's experimental decorator support is currently buggy: TypeScript's compiler passes this test if only the first
@check
is present or if only the second@check
is present, but TypeScript's compiler fails this test if both checks are present together. I haven't changed esbuild to match TypeScript's behavior exactly here because I'm waiting for TypeScript to fix these bugs instead.Some background: TypeScript experimental decorators don't have consistent semantics regarding the context that the decorators are evaluated in. For example, TypeScript will let you use
await
within a decorator, which implies that the decorator runs outside the class body (sinceawait
isn't supported inside a class body), but TypeScript will also let you use#private
names, which implies that the decorator runs inside the class body (since#private
names are only supported inside a class body). The value ofthis
in a decorator is also buggy (the run-time value ofthis
changes if any decorator in the class uses a#private
name but the type ofthis
doesn't change, leading to the type checker no longer matching reality). These inconsistent semantics make it hard for esbuild to implement this feature as decorator evaluation happens in some superposition of both inside and outside the class body that is particular to the internal implementation details of the TypeScript compiler.Forbid
--keep-names
when targeting old browsers (#3477)The
--keep-names
setting needs to be able to assign to thename
property on functions and classes. However, before ES6 this property was non-configurable, and attempting to assign to it would throw an error. So with this release, esbuild will no longer allow you to enable this setting while also targeting a really old browser.v0.19.6
Compare Source
Fix a constant folding bug with bigint equality
This release fixes a bug where esbuild incorrectly checked for bigint equality by checking the equality of the bigint literal text. This is correct if the bigint doesn't have a radix because bigint literals without a radix are always in canonical form (since leading zeros are not allowed). However, this is incorrect if the bigint has a radix (e.g.
0x123n
) because the canonical form is not enforced when a radix is present.Add some improvements to the JavaScript minifier
This release adds more cases to the JavaScript minifier, including support for inlining
String.fromCharCode
andString.prototype.charCodeAt
when possible:In addition, immediately-invoked function expressions (IIFEs) that return a single expression are now inlined when minifying. This makes it possible to use IIFEs in combination with
@__PURE__
annotations to annotate arbitrary expressions as side-effect free without the IIFE wrapper impacting code size. For example:Automatically prefix the
mask-composite
CSS property for WebKit (#3493)The
mask-composite
property will now be prefixed as-webkit-mask-composite
for older WebKit-based browsers. In addition to prefixing the property name, handling older browsers also requires rewriting the values since WebKit uses non-standard names for the mask composite modes:Avoid referencing
this
from JSX elements in derived class constructors (#3454)When you enable
--jsx=automatic
and--jsx-dev
, the JSX transform is supposed to insertthis
as the last argument to thejsxDEV
function. I'm not sure exactly why this is and I can't find any specification for it, but in any case this causes the generated code to crash when you use a JSX element in a derived class constructor before the call tosuper()
asthis
is not allowed to be accessed at that point. For exampleThe TypeScript compiler doesn't handle this at all while the Babel compiler just omits
this
for the entire constructor (even after the call tosuper()
). There seems to be no specification so I can't be sure that this change doesn't break anything important. But given that Babel is pretty loose with this and TypeScript doesn't handle this at all, I'm guessing this value isn't too important. React's blog post seems to indicate that this value was intended to be used for a React-specific migration warning at some point, so it could even be that this value is irrelevant now. Anyway the crash in this case should now be fixed.Allow package subpath imports to map to node built-ins (#3485)
You are now able to use a subpath import in your package to resolve to a node built-in module. For example, with a
package.json
file like this:You can now import from node's
stream
module like this:This will import from node's
stream
module when the platform isnode
and from./stub.js
otherwise.No longer throw an error when a
Symbol
is missing (#3453)Certain JavaScript syntax features use special properties on the global
Symbol
object. For example, the asynchronous iteration syntax usesSymbol.asyncIterator
. Previously esbuild's generated code for older browsers required this symbol to be polyfilled. However, starting with this release esbuild will useSymbol.for()
to construct these symbols if they are missing instead of throwing an error about a missing polyfill. This means your code no longer needs to include a polyfill for missing symbols as long as your code also usesSymbol.for()
for missing symbols.Parse upcoming changes to TypeScript syntax (#3490, #3491)
With this release, you can now use
from
as the name of a default type-only import in TypeScript code, as well asof
as the name of anawait using
loop iteration variable:This matches similar changes in the TypeScript compiler (#56376 and #55555) which will start allowing this syntax in an upcoming version of TypeScript. Please never actually write code like this.
The type-only import syntax change was contributed by @magic-akari.
v0.19.5
Compare Source
Fix a regression in 0.19.0 regarding
paths
intsconfig.json
(#3354)The fix in esbuild version 0.19.0 to process
tsconfig.json
aliases before the--packages=external
setting unintentionally broke an edge case in esbuild's handling of certaintsconfig.json
aliases where there are multiple files with the same name in different directories. This release adjusts esbuild's behavior for this edge case so that it passes while still processing aliases before--packages=external
. Please read the linked issue for more details.Fix a CSS
font
property minification bug (#3452)This release fixes a bug where esbuild's CSS minifier didn't insert a space between the font size and the font family in the
font
CSS shorthand property in the edge case where the original source code didn't already have a space and the leading string token was shortened to an identifier:Fix bundling CSS with asset names containing spaces (#3410)
Assets referenced via CSS
url()
tokens may cause esbuild to generate invalid output when bundling if the file name contains spaces (e.g.url(image 2.png)
). With this release, esbuild will now quote all bundled asset references inurl()
tokens to avoid this problem. This only affects assets loaded using thefile
andcopy
loaders.Fix invalid CSS
url()
tokens in@import
rules (#3426)In the future, CSS
url()
tokens may contain additional stuff after the URL. This is irrelevant today as no CSS specification does this. But esbuild previously had a bug where using these tokens in an@import
rule resulted in malformed output. This bug has been fixed.Fix
browser
+false
+type: module
inpackage.json
(#3367)The
browser
field inpackage.json
allows you to map a file tofalse
to have it be treated as an empty file when bundling for the browser. However, ifpackage.json
contains"type": "module"
then all.js
files will be considered ESM, not CommonJS. Importing a named import from an empty CommonJS file gives you undefined, but importing a named export from an empty ESM file is a build error. This release changes esbuild's interpretation of these files mapped tofalse
in this situation from ESM to CommonJS to avoid generating build errors for named imports.Fix a bug in top-level await error reporting (#3400)
Using
require()
on a file that contains top-level await is not allowed becauserequire()
must return synchronously and top-level await makes that impossible. You will get a build error if you try to bundle code that does this with esbuild. This release fixes a bug in esbuild's error reporting code for complex cases of this situation involving multiple levels of imports to get to the module containing the top-level await.Update to Unicode 15.1.0
The character tables that determine which characters form valid JavaScript identifiers have been updated from Unicode version 15.0.0 to the newly-released Unicode version 15.1.0. I'm not putting an example in the release notes because all of the new characters will likely just show up as little squares since fonts haven't been updated yet. But you can read https://www.unicode.org/versions/Unicode15.1.0/#Summary for more information about the changes.
This upgrade was contributed by @JLHwung.
eslint/eslint
v8.54.0
Compare Source
Features
a7a883b
feat: for-direction rule add check for condition in reverse order (#17755) (Angelo Annunziata)1452dc9
feat: Add suggestions to no-console (#17680) (Joel Mathew Koshy)21ebf8a
feat: updateno-array-constructor
rule (#17711) (Francesco Trotta)Bug Fixes
98926e6
fix: Ensure that extra data is not accidentally stored in the cache file (#17760) (Milos Djermanovic)e8cf9f6
fix: Make dark scroll bar in dark theme (#17753) (Pavel)3cbeaad
fix: Usecwd
constructor option as configbasePath
in Linter (#17705) (Milos Djermanovic)Documentation
becfdd3
docs: Make clear when rules are removed (#17728) (Nicholas C. Zakas)05d6e99
docs: update "Submit a Pull Request" page (#17712) (Francesco Trotta)eb2279e
docs: display info about deprecated rules (#17749) (Percy Ma)d245326
docs: Correct working in migrating plugin docs (#17722) (Filip Tammergård)Chores
d644de9
chore: upgrade @eslint/js@8.54.0 (#17773) (Milos Djermanovic)1e6e314
chore: package.json update for @eslint/js release (Jenkins)6fb8805
chore: Fixed grammar in issue_templates/rule_change (#17770) (Joel Mathew Koshy)85db724
chore: upgrademarkdownlint
to 0.31.1 (#17754) (Nitin Kumar)6d470d2
chore: update dependency recast to ^0.23.0 (#17736) (renovate[bot])b7121b5
chore: update dependency markdownlint-cli to ^0.37.0 (#17735) (renovate[bot])633b9a1
chore: update dependency regenerator-runtime to ^0.14.0 (#17739) (renovate[bot])acac16f
chore: update dependency vite-plugin-commonjs to ^0.10.0 (#17740) (renovate[bot])ba8ca7e
chore: add .github/renovate.json5 (#17567) (Josh Goldberg ✨)v8.53.0
Compare Source
Features
528e1c0
feat: Deprecate formatting rules (#17696) (Nicholas C. Zakas)c0b11dd
feat: Add suggestions for no-prototype-builtins (#17677) (Yonathan Randolph)Bug Fixes
1ad6257
fix: ensure that exit code for fatal errors is not overwritten (#17683) (Milos Djermanovic)b329ea7
fix: add;
after JSX nodes inno-object-constructor
autofix (#17672) (Francesco Trotta)Documentation
ab8c60d
docs: change position of return to top button (#17688) (Tanuj Kanti)4fc44c0
docs: update twitter icon to new X icon (#17687) (Tanuj Kanti)4164b2c
docs: Update README (GitHub Actions Bot)8651895
docs: Fix tabs in rule examples (#17653) (Francesco Trotta)3aec1c5
docs: explained rule fixers and suggestions (#17657) (Josh Goldberg ✨)Chores
ba4d4d5
chore: remove metascraper (#17707) (Milos Djermanovic)0d07338
chore: Update dependencies (#17706) (Milos Djermanovic)93256a3
chore: package.json update for @eslint/js release (ESLint Jenkins)485ec7d
test: fix ESLint tests for caching (#17699) (Milos Djermanovic)db06a7f
ci: bump actions/setup-node from 3 to 4 (#17676) (dependabot[bot])994596b
ci: run tests in Node.js 21 (#17673) (Francesco Trotta)v8.52.0
Compare Source
Features
70648ee
feat: report-unused-disable-directive to report unused eslint-enable (#17611) (Yosuke Ota)Bug Fixes
5de9637
fix: Ensure shared references in rule configs are separated (#17666) (Nicholas C. Zakas)dcfe573
fix: add preceding semicolon in suggestions ofno-object-constructor
(#17649) (Francesco Trotta)Documentation
476d58a
docs: Add note about invalid CLI flags when using flat config. (#17664) (Nicholas C. Zakas)660ed3a
docs: Plugin flat config migration guide (#17640) (Nicholas C. Zakas)a58aa20
docs: fix examples for several rules (#17645) (Milos Djermanovic)179929b
docs: Remove trailing newline from the code of Playground links (#17641) (Francesco Trotta)f8e5c30
docs: Update README (GitHub Actions Bot)b7ef2f3
docs: Enable pretty code formatter output (#17635) (Nicholas C. Zakas)0bcb9a8
docs: Fix syntax errors in rule examples (#17633) (Francesco Trotta)61b9083
docs: Make no-continue example code work (#17643) (Zhongyuan Zhou)9fafe45
docs: upgrade to 11ty 2.0 (#17632) (Percy Ma)ff8e4bf
docs: Update README (GitHub Actions Bot)fab249a
docs: Update README (GitHub Actions Bot)392305b
docs: Updateno-irregular-whitespace
and fix examples (#17626) (Francesco Trotta)6b8acfb
docs: Add real whitespace tono-trailing-spaces
examples (#17630) (Francesco Trotta)1000187
docs: Fix examples inunicode-bom
(#17631) (Francesco Trotta)000290c
docs: Update README (GitHub Actions Bot)Chores
6d1f0c2
chore: upgrade @eslint/js@8.52.0 (#17671) (Milos Djermanovic)d63d4fe
chore: package.json update for @eslint/js release (ESLint Jenkins)f30cefe
test: fix FlatESLint tests for caching (#17658) (Milos Djermanovic)ef650cb
test: update tests for no-promise-executor-return (#17661) (Milos Djermanovic)v8.51.0
Compare Source
Features
0a9c433
feat: Add--no-warn-ignored
CLI option for flat config (#17569) (Domantas Petrauskas)977e67e
feat: logical-assignment-operators to report expressions with 3 operands (#17600) (Yosuke Ota)Bug Fixes
f976b2f
fix: make rule severity case-sensitive in flat config (#17619) (Milos Djermanovic)0edfe36
fix: Ensure crash error messages are not duplicated (#17584) (Nicholas C. Zakas)dd79abc
fix:eslint-disable
to be able to parse quoted rule names (#17612) (Yosuke Ota)d2f6801
fix: Ensure correct code path for && followed by ?? (#17618) (Nicholas C. Zakas)Documentation
ee5be81
docs: default tosourceType: "module"
in rule examples (#17615) (Francesco Trotta)1aa26df
docs: Add more examples for multiline-ternary (#17610) (George Ashiotis)47d0b44
docs: Update README (GitHub Actions Bot)dbf831e
docs: use generated og image (#17601) (Percy Ma)1866da5
docs: Update README (GitHub Actions Bot)Chores
1ef39ea
chore: upgrade @eslint/js@8.51.0 (#17624) (Milos Djermanovic)f8c7403
chore: package.json update for @eslint/js release (ESLint Jenkins)2665552
test: fix flat config linter tests to use Linter in flat config mode (#17616) (Milos Djermanovic)7b77bcc
chore: Refactor CodePathState (#17510) (Nicholas C. Zakas)bc77c9a
chore: Document and refactor ForkContext (#17566) (Nicholas C. Zakas)24e1f14
chore: Refactor and document CodePath (#17558) (Nicholas C. Zakas)import-js/eslint-plugin-import
v2.29.0
Compare Source
Added
newline-after-import
]: new optionexactCount
and docs update ([#1933], thanks [@anikethsaha] and [@reosarevok])newline-after-import
]: fixexactCount
withconsiderComments
false positive, when there is a leading comment ([#2884], thanks [@kinland])ljharb/tape
v5.7.2
Compare Source
Commits
hasown
instead ofhas
489736a
call-bind
,mock-property
,object-inspect
de34703
through
properly56d7a8b
v5.7.1
Compare Source
Commits
default_stream
: add handling for IE < 913f23ed
@ljharb/through
,resolve
9135b40
e61cd40
t.intercept()
e60aeca
t.capture
andt.captureFn
, modeled after tap3d96d69
through
andresumer
to@ljharb/through
and@ljharb/resumer
a8a7d67
83bc381
typeof
c45db4e
minimist
,resolve
,string.prototype.trim
feee094
@ljharb/eslint-config
,array.prototype.flatmap
,aud
7123111
not-in-publish
‘s absence does not fail anything"92aaa51
jackspeak
since 2.1.2+ depends on npm aliases, which kill the install process in npm < 6a576f8d
Configuration
📅 Schedule: Branch creation - "on the first day of the month" (UTC), Automerge - At any time (no schedule defined).
🚦 Automerge: Enabled.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.