Bump esbuild from 0.17.18 to 0.17.19

[dependabot]

Bumps esbuild from 0.17.18 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.

0.17.19

• 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)

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
• See full diff in compare view

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