chore(deps-dev): bump esbuild from 0.16.16 to 0.17.5

[dependabot[bot]]

Bumps esbuild from 0.16.16 to 0.17.5.

Release notes

Sourced from esbuild's releases.

v0.17.5

• Parse const type parameters from TypeScript 5.0

  The TypeScript 5.0 beta announcement adds const type parameters to the language. You can now add the const modifier on a type parameter of a function, method, or class like this:

  type HasNames = { names: readonly string[] };
  const getNamesExactly = <const T extends HasNames>(arg: T): T["names"] => arg.names;
  const names = getNamesExactly({ names: ["Alice", "Bob", "Eve"] });
  

  The type of names in the above example is readonly ["Alice", "Bob", "Eve"]. Marking the type parameter as const behaves as if you had written as const at every use instead. The above code is equivalent to the following TypeScript, which was the only option before TypeScript 5.0:

  type HasNames = { names: readonly string[] };
  const getNamesExactly = <T extends HasNames>(arg: T): T["names"] => arg.names;
  const names = getNamesExactly({ names: ["Alice", "Bob", "Eve"] } as const);
  

  You can read the announcement for more information.

• Make parsing generic async arrow functions more strict in .tsx files

  Previously esbuild's TypeScript parser incorrectly accepted the following code as valid:

  let fn = async <T> () => {};
  

  The official TypeScript parser rejects this code because it thinks it's the identifier async followed by a JSX element starting with <T>. So with this release, esbuild will now reject this syntax in .tsx files too. You'll now have to add a comma after the type parameter to get generic arrow functions like this to parse in .tsx files:

  let fn = async <T,> () => {};
  

• Allow the in and out type parameter modifiers on class expressions

  TypeScript 4.7 added the in and out modifiers on the type parameters of classes, interfaces, and type aliases. However, while TypeScript supported them on both class expressions and class statements, previously esbuild only supported them on class statements due to an oversight. This release now allows these modifiers on class expressions too:

  declare let Foo: any;
  Foo = class <in T> { };
  Foo = class <out T> { };
  

• Update enum constant folding for TypeScript 5.0

  TypeScript 5.0 contains an updated definition of what it considers a constant expression:

  An expression is considered a constant expression if it is

... (truncated)

Changelog

Sourced from esbuild's changelog.

0.17.5

• Parse const type parameters from TypeScript 5.0

  The TypeScript 5.0 beta announcement adds const type parameters to the language. You can now add the const modifier on a type parameter of a function, method, or class like this:

  type HasNames = { names: readonly string[] };
  const getNamesExactly = <const T extends HasNames>(arg: T): T["names"] => arg.names;
  const names = getNamesExactly({ names: ["Alice", "Bob", "Eve"] });
  

  The type of names in the above example is readonly ["Alice", "Bob", "Eve"]. Marking the type parameter as const behaves as if you had written as const at every use instead. The above code is equivalent to the following TypeScript, which was the only option before TypeScript 5.0:

  type HasNames = { names: readonly string[] };
  const getNamesExactly = <T extends HasNames>(arg: T): T["names"] => arg.names;
  const names = getNamesExactly({ names: ["Alice", "Bob", "Eve"] } as const);
  

  You can read the announcement for more information.

• Make parsing generic async arrow functions more strict in .tsx files

  Previously esbuild's TypeScript parser incorrectly accepted the following code as valid:

  let fn = async <T> () => {};
  

  The official TypeScript parser rejects this code because it thinks it's the identifier async followed by a JSX element starting with <T>. So with this release, esbuild will now reject this syntax in .tsx files too. You'll now have to add a comma after the type parameter to get generic arrow functions like this to parse in .tsx files:

  let fn = async <T,> () => {};
  

• Allow the in and out type parameter modifiers on class expressions

  TypeScript 4.7 added the in and out modifiers on the type parameters of classes, interfaces, and type aliases. However, while TypeScript supported them on both class expressions and class statements, previously esbuild only supported them on class statements due to an oversight. This release now allows these modifiers on class expressions too:

  declare let Foo: any;
  Foo = class <in T> { };
  Foo = class <out T> { };
  

• Update enum constant folding for TypeScript 5.0

  TypeScript 5.0 contains an updated definition of what it considers a constant expression:

... (truncated)

Commits

• a8b660d publish 0.17.5 to npm
• 0c3642e fix constant folding bug with nested operands
• be94d37 update enum constant folding for TypeScript 5.0
• 73523d9 parse const type parameters from TypeScript 5.0
• 3ada8f0 test coverage for async \<A, B> in typescript
• 8824778 tsx: reject generic arrow functions without a ,
• 1291b59 forbid definite assignment assertions on methods
• 71b3ef9 allow in and out with class expression params
• 3c83a84 publish 0.17.4 to npm
• 2252232 support replacing dot identifier names with inject
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #138.