build(deps-dev): bump esbuild from 0.15.6 to 0.16.3

[dependabot]

Bumps esbuild from 0.15.6 to 0.16.3.

Release notes

Sourced from esbuild's releases.

v0.16.3

• Fix a hang with the JS API in certain cases (#2727)

  A change that was made in version 0.15.13 accidentally introduced a case when using esbuild's JS API could cause the node process to fail to exit. The change broke esbuild's watchdog timer, which detects if the parent process no longer exists and then automatically exits esbuild. This hang happened when you ran node as a child process with the stderr stream set to pipe instead of inherit, in the child process you call esbuild's JS API and pass incremental: true but do not call dispose() on the returned rebuild object, and then call process.exit(). In that case the parent node process was still waiting for the esbuild process that was created by the child node process to exit. The change made in version 0.15.13 was trying to avoid using Go's sync.WaitGroup API incorrectly because the API is not thread-safe. Instead of doing this, I have now reverted that change and implemented a thread-safe version of the sync.WaitGroup API for esbuild to use instead.

v0.16.2

• Fix process.env.NODE_ENV substitution when transforming (#2718)

  Version 0.16.0 introduced an unintentional regression that caused process.env.NODE_ENV to be automatically substituted with either "development" or "production" when using esbuild's transform API. This substitution is a necessary feature of esbuild's build API because the React framework crashes when you bundle it without doing this. But the transform API is typically used as part of a larger build pipeline so the benefit of esbuild doing this automatically is not as clear, and esbuild previously didn't do this.

  However, version 0.16.0 switched the default value of the platform setting for the transform API from neutral to browser, both to align it with esbuild's documentation (which says browser is the default value) and because escaping the </script> character sequence is now tied to the browser platform (see the release notes for version 0.16.0 for details). That accidentally enabled automatic substitution of process.env.NODE_ENV because esbuild always did that for code meant for the browser. To fix this regression, esbuild will now only automatically substitute process.env.NODE_ENV when using the build API.

• Prevent define from substituting constants into assignment position (#2719)

  The define feature lets you replace certain expressions with constants. For example, you could use it to replace references to the global property reference window.DEBUG with false at compile time, which can then potentially help esbuild remove unused code from your bundle. It's similar to DefinePlugin in Webpack.

  However, if you write code such as window.DEBUG = true and then defined window.DEBUG to false, esbuild previously generated the output false = true which is a syntax error in JavaScript. This behavior is not typically a problem because it doesn't make sense to substitute window.DEBUG with a constant if its value changes at run-time (Webpack's DefinePlugin also generates false = true in this case). But it can be alarming to have esbuild generate code with a syntax error.

  So with this release, esbuild will no longer substitute define constants into assignment position to avoid generating code with a syntax error. Instead esbuild will generate a warning, which currently looks like this:

  ▲ [WARNING] Suspicious assignment to defined constant "window.DEBUG" [assign-to-define]
  example.js:1:0:
    1 │ window.DEBUG = true
      ╵ ~~~~~~~~~~~~
  
  The expression "window.DEBUG" has been configured to be replaced with a constant using the
  "define" feature. If this expression is supposed to be a compile-time constant, then it doesn't
  make sense to assign to it here. Or if this expression is supposed to change at run-time, this
  "define" substitution should be removed.
  

• Fix a regression with npm install --no-optional (#2720)

  Normally when you install esbuild with npm install, npm itself is the tool that downloads the correct binary executable for the current platform. This happens because of how esbuild's primary package uses npm's optionalDependencies feature. However, if you deliberately disable this with npm install --no-optional then esbuild's install script will attempt to repair the installation by manually downloading and extracting the binary executable from the package that was supposed to be installed.

  The change in version 0.16.0 to move esbuild's nested packages into the @esbuild/ scope unintentionally broke this logic because of how npm's URL structure is different for scoped packages vs. normal packages. It was actually already broken for a few platforms earlier because esbuild already had packages for some platforms in the @esbuild/ scope, but I didn't discover this then because esbuild's integration tests aren't run on all platforms. Anyway, this release contains some changes to the install script that should hopefully get this scenario working again.

v0.16.1

This is a hotfix for the previous release.

• Re-allow importing JSON with the copy loader using an import assertion

  The previous release made it so when assert { type: 'json' } is present on an import statement, esbuild validated that the json loader was used. This is what an import assertion is supposed to do. However, I forgot about the relatively new copy loader, which sort of behaves as if the import path was marked as external (and thus not loaded at all) except that the file is copied to the output directory and the import path is rewritten to point to the copy. In this case whatever JavaScript runtime ends up running the code is the one to evaluate the import assertion. So esbuild should really allow this case as well. With this release, esbuild now allows both the json and copy loaders when an assert { type: 'json' } import assertion is present.

v0.16.0

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 ^0.15.0 or ~0.15.0. See npm's documentation about semver for more information.

• Move all binary executable packages to the @esbuild/ scope

... (truncated)

Changelog

Sourced from esbuild's changelog.

0.16.3

• Fix a hang with the JS API in certain cases (#2727)

  A change that was made in version 0.15.13 accidentally introduced a case when using esbuild's JS API could cause the node process to fail to exit. The change broke esbuild's watchdog timer, which detects if the parent process no longer exists and then automatically exits esbuild. This hang happened when you ran node as a child process with the stderr stream set to pipe instead of inherit, in the child process you call esbuild's JS API and pass incremental: true but do not call dispose() on the returned rebuild object, and then call process.exit(). In that case the parent node process was still waiting for the esbuild process that was created by the child node process to exit. The change made in version 0.15.13 was trying to avoid using Go's sync.WaitGroup API incorrectly because the API is not thread-safe. Instead of doing this, I have now reverted that change and implemented a thread-safe version of the sync.WaitGroup API for esbuild to use instead.

0.16.2

• Fix process.env.NODE_ENV substitution when transforming (#2718)

  Version 0.16.0 introduced an unintentional regression that caused process.env.NODE_ENV to be automatically substituted with either "development" or "production" when using esbuild's transform API. This substitution is a necessary feature of esbuild's build API because the React framework crashes when you bundle it without doing this. But the transform API is typically used as part of a larger build pipeline so the benefit of esbuild doing this automatically is not as clear, and esbuild previously didn't do this.

  However, version 0.16.0 switched the default value of the platform setting for the transform API from neutral to browser, both to align it with esbuild's documentation (which says browser is the default value) and because escaping the </script> character sequence is now tied to the browser platform (see the release notes for version 0.16.0 for details). That accidentally enabled automatic substitution of process.env.NODE_ENV because esbuild always did that for code meant for the browser. To fix this regression, esbuild will now only automatically substitute process.env.NODE_ENV when using the build API.

• Prevent define from substituting constants into assignment position (#2719)

  The define feature lets you replace certain expressions with constants. For example, you could use it to replace references to the global property reference window.DEBUG with false at compile time, which can then potentially help esbuild remove unused code from your bundle. It's similar to DefinePlugin in Webpack.

  However, if you write code such as window.DEBUG = true and then defined window.DEBUG to false, esbuild previously generated the output false = true which is a syntax error in JavaScript. This behavior is not typically a problem because it doesn't make sense to substitute window.DEBUG with a constant if its value changes at run-time (Webpack's DefinePlugin also generates false = true in this case). But it can be alarming to have esbuild generate code with a syntax error.

  So with this release, esbuild will no longer substitute define constants into assignment position to avoid generating code with a syntax error. Instead esbuild will generate a warning, which currently looks like this:

  ▲ [WARNING] Suspicious assignment to defined constant "window.DEBUG" [assign-to-define]
  example.js:1:0:
    1 │ window.DEBUG = true
      ╵ ~~~~~~~~~~~~
  
  The expression "window.DEBUG" has been configured to be replaced with a constant using the
  "define" feature. If this expression is supposed to be a compile-time constant, then it doesn't
  make sense to assign to it here. Or if this expression is supposed to change at run-time, this
  "define" substitution should be removed.
  

• Fix a regression with npm install --no-optional (#2720)

  Normally when you install esbuild with npm install, npm itself is the tool that downloads the correct binary executable for the current platform. This happens because of how esbuild's primary package uses npm's optionalDependencies feature. However, if you deliberately disable this with npm install --no-optional then esbuild's install script will attempt to repair the installation by manually downloading and extracting the binary executable from the package that was supposed to be installed.

  The change in version 0.16.0 to move esbuild's nested packages into the @esbuild/ scope unintentionally broke this logic because of how npm's URL structure is different for scoped packages vs. normal packages. It was actually already broken for a few platforms earlier because esbuild already had packages for some platforms in the @esbuild/ scope, but I didn't discover this then because esbuild's integration tests aren't run on all platforms. Anyway, this release contains some changes to the install script that should hopefully get this scenario working again.

0.16.1

This is a hotfix for the previous release.

• Re-allow importing JSON with the copy loader using an import assertion

  The previous release made it so when assert { type: 'json' } is present on an import statement, esbuild validated that the json loader was used. This is what an import assertion is supposed to do. However, I forgot about the relatively new copy loader, which sort of behaves as if the import path was marked as external (and thus not loaded at all) except that the file is copied to the output directory and the import path is rewritten to point to the copy. In this case whatever JavaScript runtime ends up running the code is the one to evaluate the import assertion. So esbuild should really allow this case as well. With this release, esbuild now allows both the json and copy loaders when an assert { type: 'json' } import assertion is present.

0.16.0

... (truncated)

Commits

• 8ef19fe publish 0.16.3 to npm
• 8648239 fix #2727: avoid sync.WaitGroup to fix hang
• 2ec1f5b add a timeout for yarn pnp tests
• 0829d74 publish 0.16.2 to npm
• 7b45a3b fix #2718: transform keeps process.env.NODE_ENV
• a4d7d97 fix #2723: skip import.meta warnings in packages
• c189b30 fix #2722: write ^0.15.0 in the release notes
• 9493e3b fix #2719: avoid define creating syntax errors
• a2a2dd0 fix #2720: adapt npm i --no-optional to scopes
• 1ae3ca6 fix #917: document my basic development workflow
• Additional commits viewable in compare view

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