Bump esbuild from 0.15.13 to 0.17.14

[dependabot[bot]]

Bumps esbuild from 0.15.13 to 0.17.14.

Release notes

Sourced from esbuild's releases.

v0.17.14

• Allow the TypeScript 5.0 const modifier in object type declarations (#3021)

  The new TypeScript 5.0 const modifier was added to esbuild in version 0.17.5, and works with classes, functions, and arrow expressions. However, support for it wasn't added to object type declarations (e.g. interfaces) due to an oversight. This release adds support for these cases, so the following TypeScript 5.0 code can now be built with esbuild:

  interface Foo { <const T>(): T }
  type Bar = { new <const T>(): T }
  

• Implement preliminary lowering for CSS nesting (#1945)

  Chrome has implemented the new CSS nesting specification in version 112, which is currently in beta but will become stable very soon. So CSS nesting is now a part of the web platform!

  This release of esbuild can now transform nested CSS syntax into non-nested CSS syntax for older browsers. The transformation relies on the :is() pseudo-class in many cases, so the transformation is only guaranteed to work when targeting browsers that support :is() (e.g. Chrome 88+). You'll need to set esbuild's target to the browsers you intend to support to tell esbuild to do this transformation. You will get a warning if you use CSS nesting syntax with a target which includes older browsers that don't support :is().

  The lowering transformation looks like this:

  /* Original input */
  a.btn {
    color: [#333](https://github.com/evanw/esbuild/issues/333);
    &:hover { color: [#444](https://github.com/evanw/esbuild/issues/444) }
    &:active { color: [#555](https://github.com/evanw/esbuild/issues/555) }
  }
  /* New output (with --target=chrome88) */
  a.btn {
  color: #333;
  }
  a.btn:hover {
  color: #444;
  }
  a.btn:active {
  color: #555;
  }
  

  More complex cases may generate the :is() pseudo-class:

  /* Original input */
  div, p {
    .warning, .error {
      padding: 20px;
    }
  }
  /* New output (with --target=chrome88) */
  :is(div, p) :is(.warning, .error) {
  

... (truncated)

Changelog

Sourced from esbuild's changelog.

Changelog: 2022

This changelog documents all esbuild versions published in the year 2022 (versions 0.14.11 through 0.16.12).

0.16.12

• Loader defaults to js for extensionless files (#2776)

  Certain packages contain files without an extension. For example, the yargs package contains the file yargs/yargs which has no extension. Node, Webpack, and Parcel can all understand code that imports yargs/yargs because they assume that the file is JavaScript. However, esbuild was previously unable to understand this code because it relies on the file extension to tell it how to interpret the file. With this release, esbuild will now assume files without an extension are JavaScript files. This can be customized by setting the loader for "" (the empty string, representing files without an extension) to another loader. For example, if you want files without an extension to be treated as CSS instead, you can do that like this:

  • CLI:

    esbuild --bundle --loader:=css
    

  • JS:

    esbuild.build({
      bundle: true,
      loader: { '': 'css' },
    })
    

  • Go:

    api.Build(api.BuildOptions{
      Bundle: true,
      Loader: map[string]api.Loader{"": api.LoaderCSS},
    })
    

  In addition, the "type" field in package.json files now only applies to files with an explicit .js, .jsx, .ts, or .tsx extension. Previously it was incorrectly applied by esbuild to all files that had an extension other than .mjs, .mts, .cjs, or .cts including extensionless files. So for example an extensionless file in a "type": "module" package is now treated as CommonJS instead of ESM.

0.16.11

• Avoid a syntax error in the presence of direct eval (#2761)

  The behavior of nested function declarations in JavaScript depends on whether the code is run in strict mode or not. It would be problematic if esbuild preserved nested function declarations in its output because then the behavior would depend on whether the output was run in strict mode or not instead of respecting the strict mode behavior of the original source code. To avoid this, esbuild transforms nested function declarations to preserve the intended behavior of the original source code regardless of whether the output is run in strict mode or not:

  // Original code
  if (true) {
    function foo() {}
    console.log(!!foo)
    foo = null
    console.log(!!foo)
  }
  

... (truncated)

Commits

• b2b8978 publish 0.17.14 to npm
• 079eca4 fix #3021: add support for const in object types
• 72c8379 fix #1945: initial lowering code for css nesting
• 96e09b4 cannot inline no-op nesting with pseudo-elements
• cd62fa1 minify: remove unnecessary & selectors
• 0546cf7 css combinator can be a single byte
• 39c3962 minify: removes duplicates from CSS selector lists
• 8362c37 Chrome 112+ can now use CSS nesting
• 366b632 #2940: switch to node-compat-table for node data
• daf372d run make compat-table again
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #340.