build(deps): bump esbuild from 0.27.4 to 0.27.5 in /web

[dependabot]

Bumps esbuild from 0.27.4 to 0.27.5.

Release notes

Sourced from esbuild's releases.

v0.27.5

• Fix for an async generator edge case (#4401, #4417)

  Support for transforming async generators into the equivalent state machine was added in version 0.19.0. However, the generated state machine didn't work correctly when polling async generators concurrently, such as in the following code:

  async function* inner() { yield 1; yield 2 }
  async function* outer() { yield* inner() }
  let gen = outer()
  for await (let x of [gen.next(), gen.next()]) console.log(x)

  Previously esbuild's output of the above code behaved incorrectly when async generators were transformed (such as with --supported:async-generator=false). The transformation should be fixed starting with this release.

  This fix was contributed by @​2767mr.

• Fix a regression when metafile is enabled (#4420, #4418)

  This release fixes a regression introduced by the previous release. When metafile: true was enabled in esbuild's JavaScript API, builds with build errors were incorrectly throwing an error about an empty JSON string instead of an object containing the build errors.

• Use define semantics for TypeScript parameter properties (#4421)

  Parameter properties are a TypeScript-specific code generation feature that converts constructor parameters into class fields when they are prefixed by certain keywords. When "useDefineForClassFields": true is present in tsconfig.json, the TypeScript compiler automatically generates class field declarations for parameter properties. Previously esbuild didn't do this, but esbuild will now do this starting with this release:

  // Original code
  class Foo {
    constructor(public x: number) {}
  }
  // Old output (with --loader=ts)
  class Foo {
  constructor(x) {
  this.x = x;
  }
  }
  // New output (with --loader=ts)
  class Foo {
  constructor(x) {
  this.x = x;
  }
  x;
  }

• Allow es2025 as a target in tsconfig.json (#4432)

  TypeScript recently added es2025 as a compilation target, so esbuild now supports this in the target field of tsconfig.json files, such as in the following configuration file:

... (truncated)

Changelog

Sourced from esbuild's changelog.

0.27.5

• Fix for an async generator edge case (#4401, #4417)

  Support for transforming async generators into the equivalent state machine was added in version 0.19.0. However, the generated state machine didn't work correctly when polling async generators concurrently, such as in the following code:

  async function* inner() { yield 1; yield 2 }
  async function* outer() { yield* inner() }
  let gen = outer()
  for await (let x of [gen.next(), gen.next()]) console.log(x)

  Previously esbuild's output of the above code behaved incorrectly when async generators were transformed (such as with --supported:async-generator=false). The transformation should be fixed starting with this release.

  This fix was contributed by @​2767mr.

• Fix a regression when metafile is enabled (#4420, #4418)

  This release fixes a regression introduced by the previous release. When metafile: true was enabled in esbuild's JavaScript API, builds with build errors were incorrectly throwing an error about an empty JSON string instead of an object containing the build errors.

• Use define semantics for TypeScript parameter properties (#4421)

  Parameter properties are a TypeScript-specific code generation feature that converts constructor parameters into class fields when they are prefixed by certain keywords. When "useDefineForClassFields": true is present in tsconfig.json, the TypeScript compiler automatically generates class field declarations for parameter properties. Previously esbuild didn't do this, but esbuild will now do this starting with this release:

  // Original code
  class Foo {
    constructor(public x: number) {}
  }
  // Old output (with --loader=ts)
  class Foo {
  constructor(x) {
  this.x = x;
  }
  }
  // New output (with --loader=ts)
  class Foo {
  constructor(x) {
  this.x = x;
  }
  x;
  }

• Allow es2025 as a target in tsconfig.json (#4432)

  TypeScript recently added es2025 as a compilation target, so esbuild now supports this in the target field of tsconfig.json files, such as in the following configuration file:

... (truncated)

Commits

• 0102ae3 publish 0.27.5 to npm
• eb93887 split off CHANGELOG-2025.md
• a54a51a fix #4421: use define for ts parameter props
• 31a7c67 remove unused variable in __asyncGenerator
• 1ea01a6 update release notes
• a8f8c0e fix: Handle non-awaited async generator (#4417)
• 4844d4b fix #4420, close #4418: metafile JSON regression
• edbdce8 fix #4432: add es2025 as a valid target
• See full diff in compare view

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.66%. Comparing base (0b396cc) to head (dd13f11).
⚠️ Report is 5 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2128   +/-   ##
=======================================
  Coverage   69.66%   69.66%           
=======================================
  Files         136      136           
  Lines        7441     7441           
=======================================
  Hits         5184     5184           
- Misses       1722     1724    +2     
+ Partials      535      533    -2     

Flag	Coverage Δ
bench	12.34% <ø> (ø)
e2e	45.05% <ø> (ø)
unittest	56.36% <ø> (ø)

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