Bump esbuild from 0.15.18 to 0.17.19

[dependabot]

Bumps esbuild from 0.15.18 to 0.17.19.

Release notes

Sourced from esbuild's releases.

v0.17.19

• Fix CSS transform bugs with nested selectors that start with a combinator (#3096)

  This release fixes several bugs regarding transforming nested CSS into non-nested CSS for older browsers. The bugs were due to lack of test coverage for nested selectors with more than one compound selector where they all start with the same combinator. Here's what some problematic cases look like before and after these fixes:

  /* Original code */
  .foo {
    > &a,
    > &b {
      color: red;
    }
  }
  .bar {
    > &a,
    + &b {
      color: green;
    }
  }
  /* Old output (with --target=chrome90) */
  .foo :is(> .fooa, > .foob) {
  color: red;
  }
  .bar :is(> .bara, + .barb) {
  color: green;
  }
  /* New output (with --target=chrome90) */
  .foo > :is(a.foo, b.foo) {
  color: red;
  }
  .bar > a.bar,
  .bar + b.bar {
  color: green;
  }

• Fix bug with TypeScript parsing of instantiation expressions followed by = (#3111)

  This release fixes esbuild's TypeScript-to-JavaScript conversion code in the case where a potential instantiation expression is followed immediately by a = token (such that the trailing > becomes a >= token). Previously esbuild considered that to still be an instantiation expression, but the official TypeScript compiler considered it to be a >= operator instead. This release changes esbuild's interpretation to match TypeScript. This edge case currently appears to be problematic for other TypeScript-to-JavaScript converters as well:

  Original code	TypeScript	esbuild 0.17.18	esbuild 0.17.19	Sucrase	Babel
  x<y>=a<b<c>>()	x<y>=a();	x=a();	x<y>=a();	x=a()	Invalid left-hand side in assignment expression

• Avoid removing unrecognized directives from the directive prologue when minifying (#3115)

  The directive prologue in JavaScript is a sequence of top-level string expressions that come before your code. The only directives that JavaScript engines currently recognize are use strict and sometimes use asm. However, the people behind React have made up their own directive for their own custom dialect of JavaScript. Previously esbuild only preserved the use strict directive when minifying, although you could still write React JavaScript with esbuild using something like --banner:js="'your directive here';". With this release, you can now put arbitrary directives in the entry point and esbuild will preserve them in its minified output:

... (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

• d47ab43 publish 0.17.19 to npm
• 3a81eb5 update go 1.20.3 => 1.20.4
• 7cf5257 fix #3111: incorrect ts parsing of x \< y >= z
• a3fcf70 fix #3096: css transform bug with nested selectors
• c19689a fix #3115: pass through unknown js directives
• d686756 minify: fold more shift operations when shorter
• 7d11ef1 fix for validation warnings
• ee646b4 publish 0.17.18 to npm
• ecea1f4 put back comment that was removed
• 9092a1b perf(linker): Fixes brute force chunk cycle detection (#3069)
• Additional commits viewable in compare view

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