Bump esbuild from 0.12.24 to 0.13.8

[dependabot]

Bumps esbuild from 0.12.24 to 0.13.8.

Release notes

Sourced from esbuild's releases.

v0.13.8

• Fix super inside arrow function inside lowered async function (#1425)

  When an async function is transformed into a regular function for target environments that don't support async such as --target=es6, references to super inside that function must be transformed too since the async-to-regular function transformation moves the function body into a nested function, so the super references are no longer syntactically valid. However, this transform didn't handle an edge case and super references inside of an arrow function were overlooked. This release fixes this bug:

  // Original code
  class Foo extends Bar {
    async foo() {
      return () => super.foo()
    }
  }
  // Old output (with --target=es6)
  class Foo extends Bar {
  foo() {
  return __async(this, null, function* () {
  return () => super.foo();
  });
  }
  }
  // New output (with --target=es6)
  class Foo extends Bar {
  foo() {
  var __super = (key) => super[key];
  return __async(this, null, function* () {
  return () => __super("foo").call(this);
  });
  }
  }

• Remove the implicit / after [dir] in entry names (#1661)

  The "entry names" feature lets you customize the way output file names are generated. The [dir] and [name] placeholders are filled in with the directory name and file name of the corresponding entry point file, respectively.

  Previously --entry-names=[dir]/[name] and --entry-names=[dir][name] behaved the same because the value used for [dir] always had an implicit trailing slash, since it represents a directory. However, some people want to be able to remove the file name with --entry-names=[dir] and the implicit trailing slash gets in the way.

  With this release, you can now use the [dir] placeholder without an implicit trailing slash getting in the way. For example, the command esbuild foo/bar/index.js --outbase=. --outdir=out --entry-names=[dir] previously generated the file out/foo/bar/.js but will now generate the file out/foo/bar.js.

v0.13.7

• Minify CSS alpha values correctly (#1682)

  When esbuild uses the rgba() syntax for a color instead of the 8-character hex code (e.g. when target is set to Chrome 61 or earlier), the 0-to-255 integer alpha value must be printed as a floating-point fraction between 0 and 1. The fraction was only printed to three decimal places since that is the minimal number of decimal places required for all 256 different alpha values to be uniquely determined. However, using three decimal places does not necessarily result in the shortest result. For example, 128 / 255 is 0.5019607843137255 which is printed as ".502" using three decimal places, but ".5" is equivalent because round(0.5 * 255) == 128, so printing ".5" would be better. With this release, esbuild will always use the minimal numeric representation for the alpha value:

  /* Original code */
  a { color: #FF800080 }

... (truncated)

Changelog

Sourced from esbuild's changelog.

0.13.8

• Fix super inside arrow function inside lowered async function (#1425)

  When an async function is transformed into a regular function for target environments that don't support async such as --target=es6, references to super inside that function must be transformed too since the async-to-regular function transformation moves the function body into a nested function, so the super references are no longer syntactically valid. However, this transform didn't handle an edge case and super references inside of an arrow function were overlooked. This release fixes this bug:

  // Original code
  class Foo extends Bar {
    async foo() {
      return () => super.foo()
    }
  }
  // Old output (with --target=es6)
  class Foo extends Bar {
  foo() {
  return __async(this, null, function* () {
  return () => super.foo();
  });
  }
  }
  // New output (with --target=es6)
  class Foo extends Bar {
  foo() {
  var __super = (key) => super[key];
  return __async(this, null, function* () {
  return () => __super("foo").call(this);
  });
  }
  }

• Remove the implicit / after [dir] in entry names (#1661)

  The "entry names" feature lets you customize the way output file names are generated. The [dir] and [name] placeholders are filled in with the directory name and file name of the corresponding entry point file, respectively.

  Previously --entry-names=[dir]/[name] and --entry-names=[dir][name] behaved the same because the value used for [dir] always had an implicit trailing slash, since it represents a directory. However, some people want to be able to remove the file name with --entry-names=[dir] and the implicit trailing slash gets in the way.

  With this release, you can now use the [dir] placeholder without an implicit trailing slash getting in the way. For example, the command esbuild foo/bar/index.js --outbase=. --outdir=out --entry-names=[dir] previously generated the file out/foo/bar/.js but will now generate the file out/foo/bar.js.

0.13.7

• Minify CSS alpha values correctly (#1682)

  When esbuild uses the rgba() syntax for a color instead of the 8-character hex code (e.g. when target is set to Chrome 61 or earlier), the 0-to-255 integer alpha value must be printed as a floating-point fraction between 0 and 1. The fraction was only printed to three decimal places since that is the minimal number of decimal places required for all 256 different alpha values to be uniquely determined. However, using three decimal places does not necessarily result in the shortest result. For example, 128 / 255 is 0.5019607843137255 which is printed as ".502" using three decimal places, but ".5" is equivalent because round(0.5 * 255) == 128, so printing ".5" would be better. With this release, esbuild will always use the minimal numeric representation for the alpha value:

  /* Original code */

... (truncated)

Commits

• e608c54 publish 0.13.8 to npm
• 0964b6b add a test for #1362
• 3690949 fix #1661: remove implicit trailing "/" in "[dir]"
• 2c147bb add "and CSS" to package description
• b332f93 fix #1425: super inside arrow inside lowered async
• 68e369d publish 0.13.7 to npm
• 8b77de1 update rollup tests so they work on node v16.11.1
• ae754ae fix wasm on go 1.17.2 (#1684)
• 344ec46 update go 1.17.1 => 1.17.2
• b2d7329 fix #1680: match node's core module behavior
• Additional commits viewable in compare view

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[dependabot]

The following labels could not be found: engineering, dependencies.

[dependabot]

Superseded by #51.