build(deps): bump github.com/evanw/esbuild from 0.8.17 to 0.9.2

[dependabot]

Bumps github.com/evanw/esbuild from 0.8.17 to 0.9.2.

Release notes

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

v0.9.2

• Fix export name annotations in CommonJS output for node (#960)

  The previous release introduced a regression that caused a syntax error when building ESM files that have a default export with --platform=node. This is because the generated export contained the default keyword like this: 0 && (module.exports = {default});. This regression has been fixed.

v0.9.1

• Fix bundling when parent directory is inaccessible (#938)

  Previously bundling with esbuild when a parent directory is inaccessible did not work because esbuild would try to read the directory to search for a node_modules folder and would then fail the build when that failed. In practice this caused issues in certain Linux environments where a directory close to the root directory was inaccessible (e.g. on Android). With this release, esbuild will treat inaccessible directories as empty to allow for the node_modules search to continue past the inaccessible directory and into its parent directory. This means it should now be possible to bundle with esbuild in these situations.

• Avoid allocations in JavaScript API stdout processing (#941)

  This release improves the efficiency of the JavaScript API. The API runs the binary esbuild executable in a child process and then communicates with it over stdin/stdout. Previously the stdout buffer containing the remaining partial message was copied after each batch of messages due to a bug. This was unintentional and unnecessary, and has been removed. Now this part of the code no longer involves any allocations. This fix was contributed by @​jridgewell.

• Support conditional @import syntax when not bundling (#953)

  Previously conditional CSS imports such as @import "print.css" print; was not supported at all and was considered a syntax error. With this release, it is now supported in all cases except when bundling an internal import. Support for bundling internal CSS imports is planned but will happen in a later release.

• Always lower object spread and rest when targeting V8 (#951)

  This release causes object spread (e.g. a = {...b}) and object rest (e.g. {...a} = b) to always be lowered to a manual implementation instead of using native syntax when the --target= parameter includes a V8-based JavaScript runtime such as chrome, edge, or node. It turns out this feature is implemented inefficiently in V8 and copying properties over to a new object is around a 2x performance improvement. In addition, doing this manually instead of using the native implementation generates a lot less work for the garbage collector. You can see V8 bug 11536 for details. If the V8 performance bug is eventually fixed, the translation of this syntax will be disabled again for V8-based targets containing the bug fix.

• Fix object rest return value (#956)

  This release fixes a bug where the value of an object rest assignment was incorrect if the object rest assignment was lowered:

  // This code was affected
  let x, y
  console.log({x, ...y} = {x: 1, y: 2})

  Previously this code would incorrectly print {y: 2} (the value assigned to y) when the object rest expression was lowered (i.e. with --target=es2017 or below). Now this code will correctly print {x: 1, y: 2} instead. This bug did not affect code that did not rely on the return value of the assignment expression, such as this code:

  // This code was not affected
  let x, y
  ({x, ...y} = {x: 1, y: 2})

• Basic support for CSS page margin rules (#955)

  There are 16 different special at-rules that can be nested inside the @page rule. They are defined in this specification. Previously esbuild treated these as unknown rules, but with this release esbuild will now treat these as known rules. The only real difference in behavior is that esbuild will no longer warn about these rules being unknown.

• Add export name annotations to CommonJS output for node

  When you import a CommonJS file using an ESM import statement in node, the default import is the value of module.exports in the CommonJS file. In addition, node attempts to generate named exports for properties of the module.exports object.

  Except that node doesn't actually ever look at the properties of that object to determine the export names. Instead it parses the CommonJS file and scans the AST for certain syntax patterns. A full list of supported patterns can be found in the documentation for the cjs-module-lexer package. This library doesn't currently support the syntax patterns used by esbuild.

... (truncated)

Changelog

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

0.9.2

• Fix export name annotations in CommonJS output for node (#960)

  The previous release introduced a regression that caused a syntax error when building ESM files that have a default export with --platform=node. This is because the generated export contained the default keyword like this: 0 && (module.exports = {default});. This regression has been fixed.

0.9.1

• Fix bundling when parent directory is inaccessible (#938)

  Previously bundling with esbuild when a parent directory is inaccessible did not work because esbuild would try to read the directory to search for a node_modules folder and would then fail the build when that failed. In practice this caused issues in certain Linux environments where a directory close to the root directory was inaccessible (e.g. on Android). With this release, esbuild will treat inaccessible directories as empty to allow for the node_modules search to continue past the inaccessible directory and into its parent directory. This means it should now be possible to bundle with esbuild in these situations.

• Avoid allocations in JavaScript API stdout processing (#941)

  This release improves the efficiency of the JavaScript API. The API runs the binary esbuild executable in a child process and then communicates with it over stdin/stdout. Previously the stdout buffer containing the remaining partial message was copied after each batch of messages due to a bug. This was unintentional and unnecessary, and has been removed. Now this part of the code no longer involves any allocations. This fix was contributed by @​jridgewell.

• Support conditional @import syntax when not bundling (#953)

  Previously conditional CSS imports such as @import "print.css" print; was not supported at all and was considered a syntax error. With this release, it is now supported in all cases except when bundling an internal import. Support for bundling internal CSS imports is planned but will happen in a later release.

• Always lower object spread and rest when targeting V8 (#951)

  This release causes object spread (e.g. a = {...b}) and object rest (e.g. {...a} = b) to always be lowered to a manual implementation instead of using native syntax when the --target= parameter includes a V8-based JavaScript runtime such as chrome, edge, or node. It turns out this feature is implemented inefficiently in V8 and copying properties over to a new object is around a 2x performance improvement. In addition, doing this manually instead of using the native implementation generates a lot less work for the garbage collector. You can see V8 bug 11536 for details. If the V8 performance bug is eventually fixed, the translation of this syntax will be disabled again for V8-based targets containing the bug fix.

• Fix object rest return value (#956)

  This release fixes a bug where the value of an object rest assignment was incorrect if the object rest assignment was lowered:

  // This code was affected
  let x, y
  console.log({x, ...y} = {x: 1, y: 2})

  Previously this code would incorrectly print {y: 2} (the value assigned to y) when the object rest expression was lowered (i.e. with --target=es2017 or below). Now this code will correctly print {x: 1, y: 2} instead. This bug did not affect code that did not rely on the return value of the assignment expression, such as this code:

  // This code was not affected
  let x, y
  ({x, ...y} = {x: 1, y: 2})

• Basic support for CSS page margin rules (#955)

  There are 16 different special at-rules that can be nested inside the @page rule. They are defined in this specification. Previously esbuild treated these as unknown rules, but with this release esbuild will now treat these as known rules. The only real difference in behavior is that esbuild will no longer warn about these rules being unknown.

• Add export name annotations to CommonJS output for node

  When you import a CommonJS file using an ESM import statement in node, the default import is the value of module.exports in the CommonJS file. In addition, node attempts to generate named exports for properties of the module.exports object.

... (truncated)

Commits

• afa91d7 publish 0.9.2 to npm
• 0e6a9b2 map to "null" instead of "0" to fix "cjs-module-lexer"
• d64d819 fix #960: avoid keywords in export name annotations
• 094eac1 publish 0.9.1 to npm
• 20fc8a8 add annotations for "cjs-module-lexer" and node
• 24811f1 avoid using the alias "*" for namespace objects
• 491dd50 css empty rule removal should happen in parser
• b51bc60 fix #955: support css page margin rules
• 15745ac fix #956: preserve the value of object rest assign
• 98ef59c add optional mutation to value capture
• Additional commits viewable in compare view

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[dependabot]

Superseded by #9.