chore(deps): update dependency esbuild to v0.19.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
esbuild	>=0.13.0 <0.19.0 -> >=0.13.0 <0.19.3
esbuild	0.18.11 -> 0.19.2

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Release Notes

evanw/esbuild (esbuild)

v0.19.2

Compare Source

• Update how CSS nesting is parsed again

  CSS nesting syntax has been changed again, and esbuild has been updated to match. Type selectors may now be used with CSS nesting:

  .foo {
    div {
      color: red;
    }
  }

  Previously this was disallowed in the CSS specification because it's ambiguous whether an identifier is a declaration or a nested rule starting with a type selector without requiring unbounded lookahead in the parser. It has now been allowed because the CSS working group has decided that requiring unbounded lookahead is acceptable after all.

  Note that this change means esbuild no longer considers any existing browser to support CSS nesting since none of the existing browsers support this new syntax. CSS nesting will now always be transformed when targeting a browser. This situation will change in the future as browsers add support for this new syntax.

• Fix a scope-related bug with --drop-labels= (#​3311)

  The recently-released --drop-labels= feature previously had a bug where esbuild's internal scope stack wasn't being restored properly when a statement with a label was dropped. This could manifest as a tree-shaking issue, although it's possible that this could have also been causing other subtle problems too. The bug has been fixed in this release.

• Make renamed CSS names unique across entry points (#​3295)

  Previously esbuild's generated names for local names in CSS were only unique within a given entry point (or across all entry points when code splitting was enabled). That meant that building multiple entry points with esbuild could result in local names being renamed to the same identifier even when those entry points were built simultaneously within a single esbuild API call. This problem was especially likely to happen with minification enabled. With this release, esbuild will now avoid renaming local names from two separate entry points to the same name if those entry points were built with a single esbuild API call, even when code splitting is disabled.

• Fix CSS ordering bug with @layer before @import

  CSS lets you put @layer rules before @import rules to define the order of layers in a stylesheet. Previously esbuild's CSS bundler incorrectly ordered these after the imported files because before the introduction of cascade layers to CSS, imported files could be bundled by removing the @import rules and then joining files together in the right order. But with @layer, CSS files may now need to be split apart into multiple pieces in the bundle. For example:

  /* Original code */
  @​layer start;
  @​import "data:text/css,@​layer inner.start;";
  @​import "data:text/css,@​layer inner.end;";
  @​layer end;
  
  /* Old output (with --bundle) */
  @​layer inner.start;
  @​layer inner.end;
  @​layer start;
  @​layer end;
  
  /* New output (with --bundle) */
  @​layer start;
  @​layer inner.start;
  @​layer inner.end;
  @​layer end;
  

• Unwrap nested duplicate @media rules (#​3226)

  With this release, esbuild's CSS minifier will now automatically unwrap duplicate nested @media rules:

  /* Original code */
  @​media (min-width: 1024px) {
    .foo { color: red }
    @​media (min-width: 1024px) {
      .bar { color: blue }
    }
  }
  
  /* Old output (with --minify) */
  @​media (min-width: 1024px){.foo{color:red}@​media (min-width: 1024px){.bar{color:#​00f}}}
  
  /* New output (with --minify) */
  @​media (min-width: 1024px){.foo{color:red}.bar{color:#​00f}}

  These rules are unlikely to be authored manually but may result from using frameworks such as Tailwind to generate CSS.

v0.19.1

Compare Source

• Fix a regression with baseURL in tsconfig.json (#​3307)

  The previous release moved tsconfig.json path resolution before --packages=external checks to allow the paths field in tsconfig.json to avoid a package being marked as external. However, that reordering accidentally broke the behavior of the baseURL field from tsconfig.json. This release moves these path resolution rules around again in an attempt to allow both of these cases to work.

• Parse TypeScript type arguments for JavaScript decorators (#​3308)

  When parsing JavaScript decorators in TypeScript (i.e. with experimentalDecorators disabled), esbuild previously didn't parse type arguments. Type arguments will now be parsed starting with this release. For example:

  @&#8203;foo<number>
  @&#8203;bar<number, string>()
  class Foo {}

• Fix glob patterns matching extra stuff at the end (#​3306)

  Previously glob patterns such as ./*.js would incorrectly behave like ./*.js* during path matching (also matching .js.map files, for example). This was never intentional behavior, and has now been fixed.

• Change the permissions of esbuild's generated output files (#​3285)

  This release changes the permissions of the output files that esbuild generates to align with the default behavior of node's fs.writeFileSync function. Since most tools written in JavaScript use fs.writeFileSync, this should make esbuild more consistent with how other JavaScript build tools behave.

  The full Unix-y details: Unix permissions use three-digit octal notation where the three digits mean "user, group, other" in that order. Within a digit, 4 means "read" and 2 means "write" and 1 means "execute". So 6 == 4 + 2 == read + write. Previously esbuild uses 0644 permissions (the leading 0 means octal notation) but the permissions for fs.writeFileSync defaults to 0666, so esbuild will now use 0666 permissions. This does not necessarily mean that the files esbuild generates will end up having 0666 permissions, however, as there is another Unix feature called "umask" where the operating system masks out some of these bits. If your umask is set to 0022 then the generated files will have 0644 permissions, and if your umask is set to 0002 then the generated files will have 0664 permissions.

• Fix a subtle CSS ordering issue with @import and @layer

  With this release, esbuild may now introduce additional @layer rules when bundling CSS to better preserve the layer ordering of the input code. Here's an example of an edge case where this matters:

  /* entry.css */
  @​import "a.css";
  @​import "b.css";
  @​import "a.css";

  /* a.css */
  @​layer a {
    body {
      background: red;
    }
  }

  /* b.css */
  @​layer b {
    body {
      background: green;
    }
  }

  This CSS should set the body background to green, which is what happens in the browser. Previously esbuild generated the following output which incorrectly sets the body background to red:

  /* b.css */
  @​layer b {
    body {
      background: green;
    }
  }
  
  /* a.css */
  @​layer a {
    body {
      background: red;
    }
  }

  This difference in behavior is because the browser evaluates a.css + b.css + a.css (in CSS, each @import is replaced with a copy of the imported file) while esbuild was only writing out b.css + a.css. The first copy of a.css wasn't being written out by esbuild for two reasons: 1) bundlers care about code size and try to avoid emitting duplicate CSS and 2) when there are multiple copies of a CSS file, normally only the last copy matters since the last declaration with equal specificity wins in CSS.

  However, @layer was recently added to CSS and for @layer the first copy matters because layers are ordered using their first location in source code order. This introduction of @layer means esbuild needs to change its bundling algorithm. An easy solution would be for esbuild to write out a.css twice, but that would be inefficient. So what I'm going to try to have esbuild do with this release is to write out an abbreviated form of the first copy of a CSS file that only includes the @layer information, and then still only write out the full CSS file once for the last copy. So esbuild's output for this edge case now looks like this:

  /* a.css */
  @​layer a;
  
  /* b.css */
  @​layer b {
    body {
      background: green;
    }
  }
  
  /* a.css */
  @​layer a {
    body {
      background: red;
    }
  }

  The behavior of the bundled CSS now matches the behavior of the unbundled CSS. You may be wondering why esbuild doesn't just write out a.css first followed by b.css. That would work in this case but it doesn't work in general because for any rules outside of a @layer rule, the last copy should still win instead of the first copy.

• Fix a bug with esbuild's TypeScript type definitions (#​3299)

  This release fixes a copy/paste error with the TypeScript type definitions for esbuild's JS API:

   export interface TsconfigRaw {
     compilerOptions?: {
  -    baseUrl?: boolean
  +    baseUrl?: string
       ...
     }
   }

  This fix was contributed by @​privatenumber.

v0.19.0

Compare Source

This release deliberately contains backwards-incompatible changes. To avoid automatically picking up releases like this, you should either be pinning the exact version of esbuild in your package.json file (recommended) or be using a version range syntax that only accepts patch upgrades such as ^0.18.0 or ~0.18.0. See npm's documentation about semver for more information.

• Handle import paths containing wildcards (#​56, #​700, #​875, #​976, #​2221, #​2515)

  This release introduces wildcards in import paths in two places:

  • Entry points

    You can now pass a string containing glob-style wildcards such as ./src/*.ts as an entry point and esbuild will search the file system for files that match the pattern. This can be used to easily pass esbuild all files with a certain extension on the command line in a cross-platform way. Previously you had to rely on the shell to perform glob expansion, but that is obviously shell-dependent and didn't work at all on Windows. Note that to use this feature on the command line you will have to quote the pattern so it's passed verbatim to esbuild without any expansion by the shell. Here's an example:

    esbuild --minify "./src/*.ts" --outdir=out

    Specifically the * character will match any character except for the / character, and the /**/ character sequence will match a path separator followed by zero or more path elements. Other wildcard operators found in glob patterns such as ? and [...] are not supported.

  • Run-time import paths

    Import paths that are evaluated at run-time can now be bundled in certain limited situations. The import path expression must be a form of string concatenation and must start with either ./ or ../. Each non-string expression in the string concatenation chain becomes a wildcard. The * wildcard is chosen unless the previous character is a /, in which case the /**/* character sequence is used. Some examples:

    // These two forms are equivalent
    const json1 = await import('./data/' + kind + '.json')
    const json2 = await import(`./data/${kind}.json`)

    This feature works with require(...) and import(...) because these can all accept run-time expressions. It does not work with import and export statements because these cannot accept run-time expressions. If you want to prevent esbuild from trying to bundle these imports, you should move the string concatenation expression outside of the require(...) or import(...). For example:

    // This will be bundled
    const json1 = await import('./data/' + kind + '.json')
    
    // This will not be bundled
    const path = './data/' + kind + '.json'
    const json2 = await import(path)

    Note that using this feature means esbuild will potentially do a lot of file system I/O to find all possible files that might match the pattern. This is by design, and is not a bug. If this is a concern, I recommend either avoiding the /**/ pattern (e.g. by not putting a / before a wildcard) or using this feature only in directory subtrees which do not have many files that don't match the pattern (e.g. making a subdirectory for your JSON files and explicitly including that subdirectory in the pattern).

• Path aliases in tsconfig.json no longer count as packages (#​2792, #​3003, #​3160, #​3238)

  Setting --packages=external tells esbuild to make all import paths external when they look like a package path. For example, an import of ./foo/bar is not a package path and won't be external while an import of foo/bar is a package path and will be external. However, the paths field in tsconfig.json allows you to create import paths that look like package paths but that do not resolve to packages. People do not want these paths to count as package paths. So with this release, the behavior of --packages=external has been changed to happen after the tsconfig.json path remapping step.

• Use the local-css loader for .module.css files by default (#​20)

  With this release the css loader is still used for .css files except that .module.css files now use the local-css loader. This is a common convention in the web development community. If you need .module.css files to use the css loader instead, then you can override this behavior with --loader:.module.css=css.

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