Bump github.com/evanw/esbuild from 0.12.10 to 0.18.13

[dependabot[bot]]

Bumps github.com/evanw/esbuild from 0.12.10 to 0.18.13.

Release notes

Sourced from github.com/evanw/esbuild's releases.

v0.18.13

• Add the --drop-labels= option (#2398)

  If you want to conditionally disable some development-only code and have it not be present in the final production bundle, right now the most straightforward way of doing this is to use the --define: flag along with a specially-named global variable. For example, consider the following code:

  function main() {
    DEV && doAnExpensiveCheck()
  }
  

  You can build this for development and production like this:

  • Development: esbuild --define:DEV=true
  • Production: esbuild --define:DEV=false

  One drawback of this approach is that the resulting code crashes if you don't provide a value for DEV with --define:. In practice this isn't that big of a problem, and there are also various ways to work around this.

  However, another approach that avoids this drawback is to use JavaScript label statements instead. That's what the --drop-labels= flag implements. For example, consider the following code:

  function main() {
    DEV: doAnExpensiveCheck()
  }
  

  With this release, you can now build this for development and production like this:

  • Development: esbuild
  • Production: esbuild --drop-labels=DEV

  This means that code containing optional development-only checks can now be written such that it's safe to run without any additional configuration. The --drop-labels= flag takes comma-separated list of multiple label names to drop.

• Avoid causing unhandledRejection during shutdown (#3219)

  All pending esbuild JavaScript API calls are supposed to fail if esbuild's underlying child process is unexpectedly terminated. This can happen if SIGINT is sent to the parent node process with Ctrl+C, for example. Previously doing this could also cause an unhandled promise rejection when esbuild attempted to communicate this failure to its own child process that no longer exists. This release now swallows this communication failure, which should prevent this internal unhandled promise rejection. This change means that you can now use esbuild's JavaScript API with a custom SIGINT handler that extends the lifetime of the node process without esbuild's internals causing an early exit due to an unhandled promise rejection.

• Update browser compatibility table scripts

  The scripts that esbuild uses to compile its internal browser compatibility table have been overhauled. Briefly:

  • Converted from JavaScript to TypeScript
  • Fixed some bugs that resulted in small changes to the table
  • Added caniuse-lite and @mdn/browser-compat-data as new data sources (replacing manually-copied information)

  This change means it's now much easier to keep esbuild's internal compatibility tables up to date. You can review the table changes here if you need to debug something about this change:

  • JS table changes
  • CSS table changes

... (truncated)

Changelog

Sourced from github.com/evanw/esbuild's changelog.

Changelog: 2021

This changelog documents all esbuild versions published in the year 2021 (versions 0.8.29 through 0.14.10).

0.14.10

• Enable tree shaking of classes with lowered static fields (#175)

  If the configured target environment doesn't support static class fields, they are converted into a call to esbuild's __publicField function instead. However, esbuild's tree-shaking pass treated this call as a side effect, which meant that all classes with static fields were ineligible for tree shaking. This release fixes the problem by explicitly ignoring calls to the __publicField function during tree shaking side-effect determination. Tree shaking is now enabled for these classes:

  // Original code
  class Foo { static foo = 'foo' }
  class Bar { static bar = 'bar' }
  new Bar()
  // Old output (with --tree-shaking=true --target=es6)
  class Foo {
  }
  __publicField(Foo, "foo", "foo");
  class Bar {
  }
  __publicField(Bar, "bar", "bar");
  new Bar();
  // New output (with --tree-shaking=true --target=es6)
  class Bar {
  }
  __publicField(Bar, "bar", "bar");
  new Bar();
  

• Treat --define:foo=undefined as an undefined literal instead of an identifier (#1407)

  References to the global variable undefined are automatically replaced with the literal value for undefined, which appears as void 0 when printed. This allows for additional optimizations such as collapsing undefined ?? bar into just bar. However, this substitution was not done for values specified via --define:. As a result, esbuild could potentially miss out on certain optimizations in these cases. With this release, it's now possible to use --define: to substitute something with an undefined literal:

  // Original code
  let win = typeof window !== 'undefined' ? window : {}
  // Old output (with --define:window=undefined --minify)
  let win=typeof undefined!="undefined"?undefined:{};
  // New output (with --define:window=undefined --minify)
  let win={};
  

• Add the --drop:debugger flag (#1809)

  Passing this flag causes all debugger; statements to be removed from the output. This is similar to the drop_debugger: true flag available in the popular UglifyJS and Terser JavaScript minifiers.

... (truncated)

Commits

• 12a8a25 publish 0.18.13 to npm
• b8db71b fix a bug with "HandlesImportErrors"
• 9b83e55 fix #2398: add the --drop-labels= option
• c0f0380 release notes about make compat-table changes
• 95feb2e generate css compat table from data sources
• c7cfcd7 change css prefix table from map to array
• 8577fe9 pre-sort css compat table
• af453f2 make compat-table update optional
• af1d35c add "mdn" as a compat table data source
• b07e747 only loop through desired data in "caniuse"
• Additional commits viewable in compare view

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Superseded by #417.