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Update dependency esbuild to v0.28.1#72

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Update dependency esbuild to v0.28.1#72
renovate[bot] wants to merge 1 commit into
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renovate/esbuild-0.x

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@renovate renovate Bot commented Feb 9, 2026

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This PR contains the following updates:

Package Change Age Confidence
esbuild 0.27.20.28.1 age confidence

Release Notes

evanw/esbuild (esbuild)

v0.28.1

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  • Disallow \\ in local development server HTTP requests (GHSA-g7r4-m6w7-qqqr)

    This release fixes a security issue where HTTP requests to esbuild's local development server could traverse outside of the serve directory on Windows using a \\ backslash character. It happened due to the use of Go's path.Clean() function, which only handles Unix-style / characters. HTTP requests with paths containing \\ are no longer allowed.

    Thanks to @​dellalibera for reporting this issue.

  • Add integrity checks to the Deno API (GHSA-gv7w-rqvm-qjhr)

    The previous release of esbuild added integrity checks to esbuild's npm install script. This release also adds integrity checks to esbuild's Deno install script. Now esbuild's Deno API will also fail with an error if the downloaded esbuild binary contains something other than the expected content.

    Note that esbuild's Deno API installs from registry.npmjs.org by default, but allows the NPM_CONFIG_REGISTRY environment variable to override this with a custom package registry. This change means that the esbuild executable served by NPM_CONFIG_REGISTRY must now match the expected content.

    Thanks to @​sondt99 for reporting this issue.

  • Avoid inlining using and await using declarations (#​4482)

    Previously esbuild's minifier sometimes incorrectly inlined using and await using declarations into subsequent uses of that declaration, which then fails to dispose of the resource correctly. This bug happened because inlining was done for let and const declarations by avoiding doing it for var declarations, which no longer worked when more declaration types were added. Here's an example:

    // Original code
    {
      using x = new Resource()
      x.activate()
    }
    
    // Old output (with --minify)
    new Resource().activate();
    
    // New output (with --minify)
    {using e=new Resource;e.activate()}
  • Fix module evaluation when an error is thrown (#​4461, #​4467)

    If an error is thrown during module evaluation, esbuild previously didn't preserve the state of the module for subsequent module references. This was observable if import() or require() is used to import a module multiple times. The thrown error is supposed to be thrown by every call to import() or require(), not just the first. With this release, esbuild will now throw the same error every time you call import() or require() on a module that throws during its evaluation.

  • Fix some edge cases around the new operator (#​4477)

    Previously esbuild incorrectly printed certain edge cases involving complex expressions inside the target of a new expression (specifically an optional chain and/or a tagged template literal). The generated code for the new target was not correctly wrapped with parentheses, and either contained a syntax error or had different semantics. These edge cases have been fixed so that they now correctly wrap the new target in parentheses. Here is an example of some affected code:

    // Original code
    new (foo()`bar`)()
    new (foo()?.bar)()
    
    // Old output
    new foo()`bar`();
    new (foo())?.bar();
    
    // New output
    new (foo())`bar`();
    new (foo()?.bar)();
  • Fix renaming of nested var declarations (#​4471)

    This release fixes a bug where var declarations in nested scopes that are hoisted up to module scope were not correctly being renamed during bundling. That could previously lead to name collisions when minification was disabled, which could potentially cause a behavior change. The bug has been fixed so that these hoisted declarations are now considered to be module-level symbols during the name collision avoidance pass.

  • Emit var instead of const for certain TypeScript-only constructs for ES5 (#​4448)

    While esbuild doesn't generally support converting const to var for ES5 due to nested scoping rules (which is currently a build-time error), esbuild previously incorrectly converted TypeScript-only import assignment constructs into a const declaration even when targeting ES5. With this release, esbuild will now use var for this case instead:

    // Original code
    import x = require('y')
    
    // Old output (with --target=es5)
    const x = require("y");
    
    // New output (with --target=es5)
    var x = require("y");

v0.28.0

Compare Source

v0.27.7

Compare Source

v0.27.5

Compare Source

v0.27.4

Compare Source

v0.27.3

Compare Source


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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot added the dependencies label Feb 9, 2026
@renovate renovate Bot force-pushed the renovate/esbuild-0.x branch from af0cfd4 to 7a43935 Compare February 12, 2026 11:54
@renovate renovate Bot changed the title chore(deps): update dependency esbuild to v0.27.3 chore(deps): update dependency esbuild to v0.27.4 Mar 12, 2026
@renovate renovate Bot force-pushed the renovate/esbuild-0.x branch from 7a43935 to 8a80826 Compare March 12, 2026 18:44
@renovate renovate Bot force-pushed the renovate/esbuild-0.x branch 2 times, most recently from feb5748 to a0c5d9e Compare April 2, 2026 01:39
@renovate renovate Bot changed the title chore(deps): update dependency esbuild to v0.27.4 chore(deps): update dependency esbuild to v0.27.5 Apr 2, 2026
@renovate renovate Bot force-pushed the renovate/esbuild-0.x branch from a0c5d9e to bf23266 Compare April 2, 2026 18:02
@renovate renovate Bot changed the title chore(deps): update dependency esbuild to v0.27.5 chore(deps): update dependency esbuild to v0.27.7 Apr 2, 2026
@renovate renovate Bot force-pushed the renovate/esbuild-0.x branch from bf23266 to a8c894b Compare April 2, 2026 21:33
@renovate renovate Bot changed the title chore(deps): update dependency esbuild to v0.27.7 chore(deps): update dependency esbuild to v0.28.0 Apr 2, 2026
@renovate renovate Bot changed the title chore(deps): update dependency esbuild to v0.28.0 Update dependency esbuild to v0.28.0 Apr 8, 2026
@renovate renovate Bot force-pushed the renovate/esbuild-0.x branch from a8c894b to a8dcf5b Compare April 8, 2026 18:54
@renovate renovate Bot force-pushed the renovate/esbuild-0.x branch from a8dcf5b to 13d36fd Compare May 12, 2026 17:40
@renovate renovate Bot changed the title Update dependency esbuild to v0.28.0 Update dependency esbuild to v0.28.1 Jun 12, 2026
@renovate renovate Bot force-pushed the renovate/esbuild-0.x branch from 13d36fd to 0727a82 Compare June 12, 2026 01:57
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