Update dependency esbuild to v0.13.8 (master)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
esbuild	0.13.7 -> 0.13.8

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Release Notes

evanw/esbuild

v0.13.8

Compare Source

• 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.

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