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alexlafroscia / ember-esbuild

Ember tooling for ESBuild
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chore(deps): bump esbuild from 0.8.9 to 0.11.5 #45

Closed dependabot[bot] closed 3 years ago

dependabot[bot] commented 3 years ago

Bumps esbuild from 0.8.9 to 0.11.5.

Release notes

Sourced from esbuild's releases.

v0.11.5

  • Add support for the override keyword in TypeScript 4.3 (#1105)

    The latest version of TypeScript (now in beta) adds a new keyword called override that can be used on class members. You can read more about this feature in Microsoft's blog post about TypeScript 4.3. It looks like this:

    class SpecializedComponent extends SomeComponent {
  override show() {
    // ...
  }
}

    With this release, esbuild will now ignore the override keyword when parsing TypeScript code instead of treating this keyword as a syntax error, which means esbuild can now support TypeScript 4.3 syntax. This change was contributed by @​g-plane.

  • Allow async plugin setup functions

    With this release, you can now return a promise from your plugin's setup function to delay the start of the build:

    let slowInitPlugin = {
  name: 'slow-init',
  async setup(build) {
    // Delay the start of the build
    await new Promise(r => setTimeout(r, 1000))
  },
}

    This is useful if your plugin needs to do something asynchronous before the build starts. For example, you may need some asynchronous information before modifying the initialOptions object, which must be done before the build starts for the modifications to take effect.

  • Add some optimizations around hashing

    This release contains two optimizations to the hashes used in output file names:

    1. Hash generation now happens in parallel with other work, and other work only blocks on the hash computation if the hash ends up being needed (which is only if [hash] is included in --entry-names=, and potentially --chunk-names= if it's relevant). This is a performance improvement because --entry-names= does not include [hash] in the default case, so bundling time no longer always includes hashing time.

    2. The hashing algorithm has been changed from SHA1 to xxHash (specifically this Go implementation) which means the hashing step is around 6x faster than before. Thanks to @​Jarred-Sumner for the suggestion.

  • Disable tree shaking annotations when code splitting is active (#1070, #1081)

    Support for Webpack's "sideEffects": false annotation in package.json is now disabled when code splitting is enabled and there is more than one entry point. This avoids a bug that could cause generated chunks to reference each other in some cases. Now all chunks generated by code splitting should be acyclic.

v0.11.4

  • Avoid name collisions with TypeScript helper functions (#1102)

    Helper functions are sometimes used when transforming newer JavaScript syntax for older browsers. For example, let {x, ...y} = {z} is transformed into let _a = {z}, {x} = _a, y = __rest(_a, ["x"]) which uses the __rest helper function. Many of esbuild's transforms were modeled after the transforms in the TypeScript compiler, so many of the helper functions use the same names as TypeScript's helper functions.

    However, the TypeScript compiler doesn't avoid name collisions with existing identifiers in the transformed code. This means that post-processing esbuild's output with the TypeScript compiler (e.g. for lowering ES6 to ES5) will cause issues since TypeScript will fail to call its own helper functions: microsoft/TypeScript#43296. There is also a problem where TypeScript's tslib library overwrites globals with these names, which can overwrite esbuild's helper functions if code bundled with esbuild is run in the global scope.

... (truncated)

Changelog

Sourced from esbuild's changelog.

0.11.5

  • Add support for the override keyword in TypeScript 4.3 (#1105)

    The latest version of TypeScript (now in beta) adds a new keyword called override that can be used on class members. You can read more about this feature in Microsoft's blog post about TypeScript 4.3. It looks like this:

    class SpecializedComponent extends SomeComponent {
  override show() {
    // ...
  }
}

    With this release, esbuild will now ignore the override keyword when parsing TypeScript code instead of treating this keyword as a syntax error, which means esbuild can now support TypeScript 4.3 syntax. This change was contributed by @​g-plane.

  • Allow async plugin setup functions

    With this release, you can now return a promise from your plugin's setup function to delay the start of the build:

    let slowInitPlugin = {
  name: 'slow-init',
  async setup(build) {
    // Delay the start of the build
    await new Promise(r => setTimeout(r, 1000))
  },
}

    This is useful if your plugin needs to do something asynchronous before the build starts. For example, you may need some asynchronous information before modifying the initialOptions object, which must be done before the build starts for the modifications to take effect.

  • Add some optimizations around hashing

    This release contains two optimizations to the hashes used in output file names:

    1. Hash generation now happens in parallel with other work, and other work only blocks on the hash computation if the hash ends up being needed (which is only if [hash] is included in --entry-names=, and potentially --chunk-names= if it's relevant). This is a performance improvement because --entry-names= does not include [hash] in the default case, so bundling time no longer always includes hashing time.

    2. The hashing algorithm has been changed from SHA1 to xxHash (specifically this Go implementation) which means the hashing step is around 6x faster than before. Thanks to @​Jarred-Sumner for the suggestion.

  • Disable tree shaking annotations when code splitting is active (#1070, #1081)

    Support for Webpack's "sideEffects": false annotation in package.json is now disabled when code splitting is enabled and there is more than one entry point. This avoids a bug that could cause generated chunks to reference each other in some cases. Now all chunks generated by code splitting should be acyclic.

0.11.4

  • Avoid name collisions with TypeScript helper functions (#1102)

    Helper functions are sometimes used when transforming newer JavaScript syntax for older browsers. For example, let {x, ...y} = {z} is transformed into let _a = {z}, {x} = _a, y = __rest(_a, ["x"]) which uses the __rest helper function. Many of esbuild's transforms were modeled after the transforms in the TypeScript compiler, so many of the helper functions use the same names as TypeScript's helper functions.

... (truncated)

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