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Lock file maintenance bundling fixtures #47552

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@renovate renovate bot commented Jan 1, 2026

Note: This PR body was truncated due to platform limits.

This PR contains the following updates:

Package Type Update Change Age Confidence
lockFileMaintenance All locks refreshed
@emotion/react (source) dependencies minor 11.10.4 → 11.14.0 age confidence
@emotion/styled (source) dependencies minor 11.10.4 → 11.14.1 age confidence
@playwright/test (source) devDependencies minor 1.54.1 → 1.57.0 age confidence
concurrently devDependencies minor 7.4.0 → 7.6.0 age confidence
esbuild dependencies minor 0.25.0 → 0.27.2 age confidence
gatsby (source, changelog) dependencies minor 5.13.7 → 5.15.0 age confidence
playwright (source) devDependencies minor 1.55.1 → 1.57.0 age confidence
react (source) dependencies minor 18.2.0 → 18.3.1 age confidence
react-dom (source) dependencies minor 18.2.0 → 18.3.1 age confidence
react-is (source) dependencies minor 18.2.0 → 18.3.1 age confidence
serve devDependencies patch 14.2.4 → 14.2.5 age confidence

🔧 This Pull Request updates lock files to use the latest dependency versions.

Release Notes

emotion-js/emotion (@​emotion/react)

v11.14.0

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Minor Changes
  • #​3284 a19d019 Thanks @​Andarist! - Source code has been migrated to TypeScript. From now on type declarations will be emitted based on that, instead of being hand-written.
Patch Changes

v11.13.5

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Patch Changes

  • #​3270 77d930d Thanks @​emmatown! - Fix inconsistent hashes using development vs production bundles/exports conditions when using @emotion/babel-plugin with sourceMap: true (the default). This is particularly visible when using Emotion with the Next.js Pages router where the development condition is used when bundling code but not when importing external code with Node.js.

  • Updated dependencies [77d930d]:

v11.13.3

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Patch Changes

v11.13.0

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Minor Changes

  • #​3198 d8ff8a5 Thanks @​Andarist! - Migrated away from relying on process.env.NODE_ENV checks to differentiate between production and development builds.

    Development builds (and other environment-specific builds) can be used by using proper conditions (see here). Most modern bundlers/frameworks already preconfigure those for the user so no action has to be taken.

    Default files should continue to work in all environments.

  • #​3215 a9f6912 Thanks @​Andarist! - Added edge-light and workerd conditions to package.json manifest to better serve users using Vercel Edge and Cloudflare Workers.

Patch Changes

v11.12.0

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Patch Changes

v11.11.4

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Patch Changes
  • #​3159 5b82631d Thanks @​iegik! - Renamed an internal hasOwnProperty to hasOwn. This avoids problems in CommonJS environments when the consumer tries to prevent prototype pollution with Object.freeze(Object.prototype).

v11.11.3

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Patch Changes

v11.11.1

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Patch Changes
  • #​3048 9357f337 Thanks @​naari3! - Added ElementType to the Emotion's JSX namespace. It's defined in the same way as the one in @types/react and should make it possible to use components that return strings, Promises and other types that are valid in React.

v11.11.0

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Minor Changes
Patch Changes

v11.10.8

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Patch Changes

v11.10.6

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Patch Changes

v11.10.5

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Patch Changes
microsoft/playwright (@​playwright/test)

v1.57.0

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v1.56.1

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Highlights

#​37871 chore: allow local-network-access permission in chromium
#​37891 fix(agents): remove workspaceFolder ref from vscode mcp
#​37759 chore: rename agents to test agents
#​37757 chore(mcp): fallback to cwd when resolving test config

Browser Versions

  • Chromium 141.0.7390.37
  • Mozilla Firefox 142.0.1
  • WebKit 26.0

v1.56.0

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Playwright Agents

Introducing Playwright Agents, three custom agent definitions designed to guide LLMs through the core process of building a Playwright test:

  • 🎭 planner explores the app and produces a Markdown test plan
  • 🎭 generator transforms the Markdown plan into the Playwright Test files
  • 🎭 healer executes the test suite and automatically repairs failing tests

Run npx playwright init-agents with your client of choice to generate the latest agent definitions:

### Generate agent files for each agentic loop
### Visual Studio Code
npx playwright init-agents --loop=vscode

### Claude Code
npx playwright init-agents --loop=claude

### opencode
npx playwright init-agents --loop=opencode

[!NOTE]
VS Code v1.105 (currently on the VS Code Insiders channel) is needed for the agentic experience in VS Code. It will become stable shortly, we are a bit ahead of times with this functionality!

Learn more about Playwright Agents

New APIs

UI Mode and HTML Reporter

  • Added option to 'html' reporter to disable the "Copy prompt" button
  • Added option to 'html' reporter and UI Mode to merge files, collapsing test and describe blocks into a single unified list
  • Added option to UI Mode mirroring the --update-snapshots options
  • Added option to UI Mode to run only a single worker at a time

Breaking Changes

Miscellaneous

  • Aria snapshots render and compare input placeholder
  • Added environment variable PLAYWRIGHT_TEST to Playwright worker processes to allow discriminating on testing status

Browser Versions

  • Chromium 141.0.7390.37
  • Mozilla Firefox 142.0.1
  • WebKit 26.0

v1.55.1

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Highlights

#​37479 - [Bug]: Upgrade Chromium to 140.0.7339.186.
#​37147 - [Regression]: Internal error: step id not found.
#​37146 - [Regression]: HTML reporter displays a broken chip link when there are no projects.
#​37137 - Revert "fix(a11y): track inert elements as hidden".
#​37532 - chore: do not use -k option

Browser Versions

  • Chromium 140.0.7339.186
  • Mozilla Firefox 141.0
  • WebKit 26.0

This version was also tested against the following stable channels:

  • Google Chrome 139
  • Microsoft Edge 139

v1.55.0

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New APIs

  • New Property testStepInfo.titlePath Returns the full title path starting from the test file, including test and step titles.

Codegen

  • Automatic toBeVisible() assertions: Codegen can now generate automatic toBeVisible() assertions for common UI interactions. This feature can be enabled in the Codegen settings UI.

Breaking Changes

  • ⚠️ Dropped support for Chromium extension manifest v2.

Miscellaneous

  • Added support for Debian 13 "Trixie".

Browser Versions

  • Chromium 140.0.7339.16
  • Mozilla Firefox 141.0
  • WebKit 26.0

This version was also tested against the following stable channels:

  • Google Chrome 139
  • Microsoft Edge 139

v1.54.2

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Highlights

#​36714 - [Regression]: Codegen is not able to launch in Administrator Terminal on Windows (ProtocolError: Protocol error)
#​36828 - [Regression]: Playwright Codegen keeps spamming with selected option
#​36810 - [Regression]: Starting Codegen with target language doesn't work anymore

Browser Versions

  • Chromium 139.0.7258.5
  • Mozilla Firefox 140.0.2
  • WebKit 26.0

This version was also tested against the following stable channels:

  • Google Chrome 140
  • Microsoft Edge 140
open-cli-tools/concurrently (concurrently)

v7.6.0

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What's Changed

New Contributors

Full Changelog: open-cli-tools/concurrently@v7.5.0...v7.6.0

v7.5.0

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What's Changed

Full Changelog: open-cli-tools/concurrently@v7.4.0...v7.5.0

evanw/esbuild (esbuild)

v0.27.2

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  • Allow import path specifiers starting with #/ (#​4361)

    Previously the specification for package.json disallowed import path specifiers starting with #/, but this restriction has recently been relaxed and support for it is being added across the JavaScript ecosystem. One use case is using it for a wildcard pattern such as mapping #/* to ./src/* (previously you had to use another character such as #_* instead, which was more confusing). There is some more context in nodejs/node#49182.

    This change was contributed by @​hybrist.

  • Automatically add the -webkit-mask prefix (#​4357, #​4358)

    This release automatically adds the -webkit- vendor prefix for the mask CSS shorthand property:

    /* Original code */
main {
  mask: url(x.png) center/5rem no-repeat
}

/* Old output (with --target=chrome110) */
main {
  mask: url(x.png) center/5rem no-repeat;
}

/* New output (with --target=chrome110) */
main {
  -webkit-mask: url(x.png) center/5rem no-repeat;
  mask: url(x.png) center/5rem no-repeat;
}

    This change was contributed by @​BPJEnnova.

  • Additional minification of switch statements (#​4176, #​4359)

    This release contains additional minification patterns for reducing switch statements. Here is an example:

    // Original code
switch (x) {
  case 0:
    foo()
    break
  case 1:
  default:
    bar()
}

// Old output (with --minify)
switch(x){case 0:foo();break;case 1:default:bar()}

// New output (with --minify)
x===0?foo():bar();

  • Forbid using declarations inside switch clauses (#​4323)

    This is a rare change to remove something that was previously possible. The Explicit Resource Management proposal introduced using declarations. These were previously allowed inside case and default clauses in switch statements. This had well-defined semantics and was already widely implemented (by V8, SpiderMonkey, TypeScript, esbuild, and others). However, it was considered to be too confusing because of how scope works in switch statements, so it has been removed from the specification. This edge case will now be a syntax error. See tc39/proposal-explicit-resource-management#215 and rbuckton/ecma262#14 for details.

    Here is an example of code that is no longer allowed:

    switch (mode) {
  case 'read':
    using readLock = db.read()
    return readAll(readLock)

  case 'write':
    using writeLock = db.write()
    return writeAll(writeLock)
}

    That code will now have to be modified to look like this instead (note the additional { and } block statements around each case body):

    switch (mode) {
  case 'read': {
    using readLock = db.read()
    return readAll(readLock)
  }
  case 'write': {
    using writeLock = db.write()
    return writeAll(writeLock)
  }
}

    This is not being released in one of esbuild's breaking change releases since this feature hasn't been finalized yet, and esbuild always tracks the current state of the specification (so esbuild's previous behavior was arguably incorrect).

v0.27.1

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  • Fix bundler bug with var nested inside if (#​4348)

    This release fixes a bug with the bundler that happens when importing an ES module using require (which causes it to be wrapped) and there's a top-level var inside an if statement without being wrapped in a { ... } block (and a few other conditions). The bundling transform needed to hoist these var declarations outside of the lazy ES module wrapper for correctness. See the issue for details.

  • Fix minifier bug with for inside try inside label (#​4351)

    This fixes an old regression from version v0.21.4. Some code was introduced to move the label inside the try statement to address a problem with transforming labeled for await loops to avoid the await (the transformation involves converting the for await loop into a for loop and wrapping it in a try statement). However, it introduces problems for cross-compiled JVM code that uses all three of these features heavily. This release restricts this transform to only apply to for loops that esbuild itself generates internally as part of the for await transform. Here is an example of some affected code:

    // Original code
d: {
  e: {
    try {
      while (1) { break d }
    } catch { break e; }
  }
}

// Old output (with --minify)
a:try{e:for(;;)break a}catch{break e}

// New output (with --minify)
a:e:try{for(;;)break a}catch{break e}

  • Inline IIFEs containing a single expression (#​4354)

    Previously inlining of IIFEs (immediately-invoked function expressions) only worked if the body contained a single return statement. Now it should also work if the body contains a single expression statement instead:

    // Original code
const foo = () => {
  const cb = () => {
    console.log(x())
  }
  return cb()
}

// Old output (with --minify)
const foo=()=>(()=>{console.log(x())})();

// New output (with --minify)
const foo=()=>{console.log(x())};

  • The minifier now strips empty finally clauses (#​4353)

    This improvement means that finally clauses containing dead code can potentially cause the associated try statement to be removed from the output entirely in minified builds:

    // Original code
function foo(callback) {
  if (DEBUG) stack.push(callback.name);
  try {
    callback();
  } finally {
    if (DEBUG) stack.pop();
  }
}

// Old output (with --minify --define:DEBUG=false)
function foo(a){try{a()}finally{}}

// New output (with --minify --define:DEBUG=false)
function foo(a){a()}

  • Allow tree-shaking of the Symbol constructor

    With this release, calling Symbol is now considered to be side-effect free when the argument is known to be a primitive value. This means esbuild can now tree-shake module-level symbol variables:

    // Original code
const a = Symbol('foo')
const b = Symbol(bar)

// Old output (with --tree-shaking=true)
const a = Symbol("foo");
const b = Symbol(bar);

// New output (with --tree-shaking=true)
const b = Symbol(bar);

v0.27.0

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This release deliberately contains backwards-incompatible changes. To avoid automatically picking up releases like this, you should either be pinning the exact version of esbuild in your package.json file (recommended) or be using a version range syntax that only accepts patch upgrades such as ^0.26.0 or ~0.26.0. See npm's documentation about semver for more information.

  • Use Uint8Array.fromBase64 if available (#​4286)

    With this release, esbuild's binary loader will now use the new Uint8Array.fromBase64 function unless it's unavailable in the configured target environment. If it's unavailable, esbuild's previous code for this will be used as a fallback. Note that this means you may now need to specify target when using this feature with Node (for example --target=node22) unless you're using Node v25+.

  • Update the Go compiler from v1.23.12 to v1.25.4 (#​4208, #​4311)

    This raises the operating system requirements for running esbuild:

    • Linux: now requires a kernel version of 3.2 or later
    • macOS: now requires macOS 12 (Monterey) or later

v0.26.0

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  • Enable trusted publishing (#​4281)

    GitHub and npm are recommending that maintainers for packages such as esbuild switch to trusted publishing. With this release, a VM on GitHub will now build and publish all of esbuild's packages to npm instead of me. In theory.

    Unfortunately there isn't really a way to test that this works other than to do it live. So this release is that live test. Hopefully this release is uneventful and is exactly the same as the previous one (well, except for the green provenance attestation checkmark on npm that happens with trusted publishing).

v0.25.12

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  • Fix a minification regression with CSS media queries (#​4315)

    The previous release introduced support for parsing media queries which unintentionally introduced a regression with the removal of duplicate media rules during minification. Specifically the grammar for @media <media-type> and <media-condition-without-or> { ... } was missing an equality check for the <media-condition-without-or> part, so rules with different suffix clauses in this position would incorrectly compare equal and be deduplicated. This release fixes the regression.

  • Update the list of known JavaScript globals (#​4310)

    This release updates esbuild's internal list of known JavaScript globals. These are globals that are known to not have side-effects when the property is accessed. For example, accessing the global Array property is considered to be side-effect free but accessing the global scrollY property can trigger a layout, which is a side-effect. This is used by esbuild's tree-shaking to safely remove unused code that is known to be side-effect free. This update adds the following global properties:

    From ES2017:

    • Atomics
    • SharedArrayBuffer

    From ES2020:

    • BigInt64Array
    • BigUint64Array

    From ES2021:

    • FinalizationRegistry
    • WeakRef

    From ES2025:

    • Float16Array
    • Iterator

    Note that this does not indicate that constructing any of these objects is side-effect free, just that accessing the identifier is side-effect free. For example, this now allows esbuild to tree-shake classes that extend from Iterator:

    // This can now be tree-shaken by esbuild:
class ExampleIterator extends Iterator {}

  • Add support for the new @view-transition CSS rule (#​4313)

    With this release, esbuild now has improved support for pretty-printing and minifying the new @view-transition rule (which esbuild was previously unaware of):

    /* Original code */
@&#8203;view-transition {
  navigation: auto;
  types: check;
}

/* Old output */
@&#8203;view-transition { navigation: auto; types: check; }

/* New output */
@&#8203;view-transition {
  navigation: auto;
  types: check;
}

    The new view transition feature provides a mechanism for creating animated transitions between documents in a multi-page app. You can read more about view transition rules here.

    This change was contributed by @​yisibl.

  • Trim CSS rules that will never match

    The CSS minifier will now remove rules whose selectors contain :is() and :where() as those selectors will never match. These selectors can currently be automatically generated by esbuild when you give esbuild nonsensical input such as the following:

    /* Original code */
div:before {
  color: green;
  &.foo {
    color: red;
  }
}

/* Old output (with --supported:nesting=false --minify) */
div:before{color:green}:is().foo{color:red}

/* New output (with --supported:nesting=false --minify) */
div:before{color:green}

    This input is nonsensical because CSS nesting is (unfortunately) not supported inside of pseudo-elements such as :before. Currently esbuild generates a rule containing :is() in this case when you tell esbuild to transform nested CSS into non-nested CSS. I think it's reasonable to do that as it sort of helps explain what's going on (or at least indicates that something is wrong in the output). It shouldn't be present in minified code, however, so this release now strips it out.

v0.25.11

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  • Add support for with { type: 'bytes' } imports (#​4292)

    The import bytes proposal has reached stage 2.7 in the TC39 process, which means that although it isn't quite recommended for implementation, it's generally approved and ready for validation. Furthermore it has already been implemented by Deno and Webpack. So with this release, esbuild will also add support for this. It behaves exactly the same as esbuild's existing binary loader. Here's an example:

    import data from './image.png' with { type: 'bytes' }
const view = new DataView(data.buffer, 0, 24)
const width = view.getInt32(16)
const height = view.getInt32(20)
console.log('size:', width + '\xD7' + height)

  • Lower CSS media query range syntax (#​3748, #​4293)

    With this release, esbuild will now transform CSS media query range syntax into equivalent syntax using min-/max- prefixes for older browsers. For example, the following CSS:

    @&#8203;media (640px <= width <= 960px) {
  main {
    display: flex;
  }
}

    will be transformed like this with a target such as --target=chrome100 (or more specifically with --supported:media-range=false if desired):

    @&#8203;media (min-width: 640px) and (max-width: 960px) {
  main {
    display: flex;
  }
}

v0.25.10

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  • Fix a panic in a minification edge case (#​4287)

    This release fixes a panic due to a null pointer that could happen when esbuild inlines a doubly-nested identity function and the final result is empty. It was fixed by emitting the value undefined in this case, which avoids the panic. This case must be rare since it hasn't come up until now. Here is an example of code that previously triggered the panic (which only happened when minifying):

    function identity(x) { return x }
identity({ y: identity(123) })

  • Fix @supports nested inside pseudo-element (#​4265)

    When transforming nested CSS to non-nested CSS, esbuild is supposed to filter out pseudo-elements such as ::placeholder for correctness. The CSS nesting specification says the following:

    The nesting selector cannot represent pseudo-elements (identical to the behavior of the ':is()' pseudo-class). We’d like to relax this restriction, but need to do so simultaneously for both ':is()' and '&', since they’re intentionally built on the same underlying mechanisms.

    However, it seems like this behavior is different for nested at-rules such as @supports, which do work with pseudo-elements. So this release modifies esbuild's behavior to now take that into account:

    /* Original code */
::placeholder {
  color: red;
  body & { color: green }
  @&#8203;supports (color: blue) { color: blue }
}

/* Old output (with --supported:nesting=false) */
::placeholder {
  color: red;
}
body :is() {
  color: green;
}
@&#8203;supports (color: blue) {
   {
    color: blue;
  }
}

/* New output (with --supported:nesting=false) */
::placeholder {
  color: red;
}
body :is() {
  color: green;
}
@&#8203;supports (color: blue) {
  ::placeholder {
    color: blue;
  }
}

v0.25.9

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  • Better support building projects that use Yarn on Windows (#​3131, #​3663)

    With this release, you can now use esbuild to bundle projects that use Yarn Plug'n'Play on Windows on drives other than the C: drive. The problem was as follows:

    1. Yarn in Plug'n'Play mode on Windows stores its global module cache on the C: drive
    2. Some developers put their projects on the D: drive
    3. Yarn generates relative paths that use ../.. to get from the project directory to the cache directory
    4. Windows-style paths don't support directory traversal between drives via .. (so D:\.. is just D:)
    5. I didn't have access to a Windows machine for testing this edge case

    Yarn works around this edge case by pretending Windows-style paths beginning with C:\ are actually Unix-style paths beginning with /C:/, so the ../.. path segments are able to navigate across drives inside Yarn's implementation. This was broken for a long time in esbuild but I finally got access to a Windows machine and was able to debug and fix this edge case. So you should now be able to bundle these projects with esbuild.

  • Preserve parentheses around function expressions (#​4252)

    The V8 JavaScript VM uses parentheses around function expressions as an optimization hint to immediately compile the function. Otherwise the function would be lazily-compiled, which has additional overhead if that function is always called immediately as lazy compilation involves parsing the function twice. You can read V8's blog post about this for more details.

    Previously esbuild did not represent parentheses around functions in the AST so they were lost during compilation. With this change, esbuild will now preserve parentheses around function expressions when they are present in the original source code. This means these optimization hints will not be lost when bundling with esbuild. In addition, esbuild will now automatically add this optimization hint to immediately-invoked function expressions. Here's an example:

    // Original code
const fn0 = () => 0
const fn1 = (() => 1)
console.log(fn0, function() { return fn1() }())

// Old output
const fn0 = () => 0;
const fn1 = () => 1;
console.log(fn0, function() {
  return fn1();
}());

// New output
const fn0 = () => 0;
const fn1 = (() => 1);
console.log(fn0, (function() {
  return fn1();
})());

    Note that you do not want to wrap all function expressions in parentheses. This optimization hint should only be used for functions that are called on initial load. Using this hint for functions that are not called on initial load will unnecessarily delay the initial load. Again, see V8's blog post linked above for details.

  • Update Go from 1.23.10 to 1.23.12 (#​4257, #​4258)

    This should have no effect on existing code as this version change does not change Go's operating system support. It may remove certain false positive reports (specifically CVE-2025-4674 and CVE-2025-47907) from vulnerability scanners that only detect which version of the Go compiler esbuild uses.

v0.25.8

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  • Fix another TypeScript parsing edge case (#​4248)

    This fixes a regression with a change in the previous release that tries to more accurately parse TypeScript arrow functions inside the ?: operator. The regression specifically involves parsing an arrow function containing a #private identifier inside the middle of a ?: ternary operator inside a class body. This was fixed by propagating private identifier state into the parser clone used to speculatively parse the arrow function body. Here is an example of some affected code:

    class CachedDict {
  #has = (a: string) => dict.has(a);
  has = window
    ? (word: string): boolean => this.#has(word)
    : this.#has;
}

  • Fix a regression with the parsing of source phase imports

    The change in the previous release to parse source phase imports failed to properly handle the following cases:

    import source from 'bar'
import source from from 'bar'
import source type foo from 'bar'

    Parsing for these cases should now be fixed. The first case was incorrectly treated as a syntax error because esbuild was expecting the second case. And the last case was previously allowed but is now forbidden. TypeScript hasn't added this feature yet so it remains to be seen whether the last case will be allowed, but it's safer to disallow it for now. At least Babel doesn't allow the last case when parsing TypeScript, and Babel was involved with the source phase import specification.

v0.25.7

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  • Parse and print JavaScript imports with an explicit phase (#​4238)

    This release adds basic syntax support for the defer and source import phases in JavaScript:

    • defer

      This is a stage 3 proposal for an upcoming JavaScript feature that will provide one way to eagerly load but lazily initialize imported modules. The imported module is automatically initialized on first use. Support for this syntax will also be part of the upcoming release of TypeScript 5.9. The syntax looks like this:

      import defer * as foo from "<specifier>";
const bar = await import.defer("<specifier>");

      Note that this feature deliberately cannot be used with the syntax import defer foo from "<specifier>" or import defer { foo } from "<specifier>".

    • source

      This is a stage 3 proposal for an upcoming JavaScript feature that will provide another way to eagerly load but lazily initialize imported modules. The imported module is returned in an uninitialized state. Support for this syntax may or may not be a part of TypeScript 5.9 (see this issue for details). The syntax looks like this:

      import source foo from "<specifier>";
const bar = await import.source("<specifier>");

      Note that this feature deliberately cannot be used with the syntax import defer * as foo from "<specifier>" or import defer { foo } from "<specifier>".

    This change only adds support for this syntax. These imports cannot currently be bundled by esbuild. To use these new features with esbuild's bundler, the imported paths must be external to the bundle and the output format must be set to esm.

  • Support optionally emitting absolute paths instead of relative paths (#​338, #​2082, #​3023)

    This release introduces the --abs-paths= feature which takes a comma-separated list of situations where esbuild should use absolute paths instead of relative paths. There are currently three supported situations: code (comments and string literals), log (log message text and location info), and metafile (the JSON build metadata).

    Using absolute paths instead of relative paths is not the default behavior because it means that the build results are no longer machine-independent (which means builds are no longer reproducible). Absolute paths can be useful when used with certain terminal emulators that allow you to click on absolute paths in the terminal text and/or when esbuild is being automatically invoked from several different directories within the same script.

  • Fix a TypeScript parsing edge case (#​4241)

    This release fixes an edge case with parsing an arrow function in TypeScript with a return type that's in the middle of a ?: ternary operator. For example:

    x = a ? (b) : c => d;
y = a ? (b) : c => d : e;

    The : token in the value assigned to x pairs with the ? token, so it's not the start of a return type annotation. However, the first : token in the value assigned to y is the start of a return type annotation because after parsing the arrow function body, it turns out there's another : token that can be used to pair with the ? token. This case is notable as it's the first TypeScript edge case that esbuild has needed a backtracking parser to parse. It has been addressed by a quick hack (cloning the whole parser) as it's a rare edge case and esbuild doesn't otherwise need a backtracking parser. Hopefully this is sufficient and doesn't cause any issues.

  • Inline small constant strings when minifying

    Previously esbuild's minifier didn't inline string constants because strings can be arbitrarily long, and this isn't necessarily a size win if the string is used more than once. Starting with this release, esbuild will now inline string constants when the length of the string is three code units or less. For example:

    // Original code
const foo = 'foo'
console.log({ [foo]: true })

// Old output (with --minify --bundle --format=esm)
var o="foo";console.log({[o]:!0});

// New output (with --minify --bundle --format=esm)
console.log({foo:!0});

    Note that esbuild's constant inlining only happens in very restrictive scenarios to avoid issues with TDZ handling. This change doesn't change when esbuild's constant inlining happens. It only expands the scope of it to include certain string literals in addition to numeric and boolean literals.

v0.25.6

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  • Fix a memory leak when cancel() is used on a build context (#​4231)

    Calling rebuild() followed by cancel() in rapid succession could previously leak memory. The bundler uses a producer/consumer model internally, and the resourc

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@renovate renovate bot added the dependencies Update of dependencies. label Jan 1, 2026
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@ZeeshanTamboli