Bump esbuild from 0.15.15 to 0.17.10

[dependabot]

Bumps esbuild from 0.15.15 to 0.17.10.

Release notes

Sourced from esbuild's releases.

v0.17.10

• Update esbuild's handling of CSS nesting to match the latest specification changes (#1945)

  The syntax for the upcoming CSS nesting feature has recently changed. The @nest prefix that was previously required in some cases is now gone, and nested rules no longer have to start with & (as long as they don't start with an identifier or function token).

  This release updates esbuild's pass-through handling of CSS nesting syntax to match the latest specification changes. So you can now use esbuild to bundle CSS containing nested rules and try them out in a browser that supports CSS nesting (which includes nightly builds of both Chrome and Safari).

  However, I'm not implementing lowering of nested CSS to non-nested CSS for older browsers yet. While the syntax has been decided, the semantics are still in flux. In particular, there is still some debate about changing the fundamental way that CSS nesting works. For example, you might think that the following CSS is equivalent to a .outer .inner button { ... } rule:

  .inner button {
    .outer & {
      color: red;
    }
  }

  But instead it's actually equivalent to a .outer :is(.inner button) { ... } rule which unintuitively also matches the following DOM structure:

  <div class="inner">
    <div class="outer">
      <button></button>
    </div>
  </div>

  The :is() behavior is preferred by browser implementers because it's more memory-efficient, but the straightforward translation into a .outer .inner button { ... } rule is preferred by developers used to the existing CSS preprocessing ecosystem (e.g. SASS). It seems premature to commit esbuild to specific semantics for this syntax at this time given the ongoing debate.

• Fix cross-file CSS rule deduplication involving url() tokens (#2936)

  Previously cross-file CSS rule deduplication didn't handle url() tokens correctly. These tokens contain references to import paths which may be internal (i.e. in the bundle) or external (i.e. not in the bundle). When comparing two url() tokens for equality, the underlying import paths should be compared instead of their references. This release of esbuild fixes url() token comparisons. One side effect is that @font-face rules should now be deduplicated correctly across files:

  /* Original code */
  @import "data:text/css, \
    @import 'http://example.com/style.css'; \
    @font-face { src: url(http://example.com/font.ttf) }";
  @import "data:text/css, \
    @font-face { src: url(http://example.com/font.ttf) }";
  /* Old output (with --bundle --minify) */
  @​import"http://example.com/style.css";@​font-face{src:url(http://example.com/font.ttf)}@font-face{src:url(http://example.com/font.ttf)}
  /* New output (with --bundle --minify) */
  @​import"http://example.com/style.css";@​font-face{src:url(http://example.com/font.ttf)}

v0.17.9

• Parse rest bindings in TypeScript types (#2937)

... (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

• 996d400 publish 0.17.10 to npm
• 16e0988 update css nesting stuff to match the latest spec
• 47e54fe fix #2936: compare url() tokens by import record
• 3765e88 publish 0.17.9 to npm
• 42d3b2f fix #2937: parse rest bindings in TypeScript types
• d8b028f adjust test output for #2914
• 631a563 fix #2909: preserve comments for omitted AST nodes
• 429d073 fix #2914: do not emit computed declare fields
• 29d5a9b fix #2913: crash in ProbeResolvePackageAsRelative
• 5e0b1cd publish 0.17.8 to npm
• Additional commits viewable in compare view

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