Bump esbuild from 0.16.8 to 0.17.2

[dependabot[bot]]

Bumps esbuild from 0.16.8 to 0.17.2.

Release notes

Sourced from esbuild's releases.

v0.17.2

• Add onDispose to the plugin API (#2140, #2205)

  If your plugin wants to perform some cleanup after it's no longer going to be used, you can now use the onDispose API to register a callback for cleanup-related tasks. For example, if a plugin starts a long-running child process then it may want to terminate that process when the plugin is discarded. Previously there was no way to do this. Here's an example:

  let examplePlugin = {
    name: 'example',
    setup(build) {
      build.onDispose(() => {
        console.log('This plugin is no longer used')
      })
    },
  }
  

  These onDispose callbacks will be called after every build() call regardless of whether the build failed or not as well as after the first dispose() call on a given build context.

v0.17.1

• Make it possible to cancel a build (#2725)

  The context object introduced in version 0.17.0 has a new cancel() method. You can use it to cancel a long-running build so that you can start a new one without needing to wait for the previous one to finish. When this happens, the previous build should always have at least one error and have no output files (i.e. it will be a failed build).

  Using it might look something like this:

  • JS:

    let ctx = await esbuild.context({
      // ...
    })
    let rebuildWithTimeLimit = timeLimit => {
    let timeout = setTimeout(() => ctx.cancel(), timeLimit)
    return ctx.rebuild().finally(() => clearTimeout(timeout))
    }
    let build = await rebuildWithTimeLimit(500)
    

  • Go:

    ctx, err := api.Context(api.BuildOptions{
      // ...
    })
    if err != nil {
      return
    }
    

... (truncated)

Changelog

Sourced from esbuild's changelog.

Changelog: 2022

This changelog documents all esbuild versions published in the year 2022 (versions 0.14.11 through 0.16.12).

0.16.12

• Loader defaults to js for extensionless files (#2776)

  Certain packages contain files without an extension. For example, the yargs package contains the file yargs/yargs which has no extension. Node, Webpack, and Parcel can all understand code that imports yargs/yargs because they assume that the file is JavaScript. However, esbuild was previously unable to understand this code because it relies on the file extension to tell it how to interpret the file. With this release, esbuild will now assume files without an extension are JavaScript files. This can be customized by setting the loader for "" (the empty string, representing files without an extension) to another loader. For example, if you want files without an extension to be treated as CSS instead, you can do that like this:

  • CLI:

    esbuild --bundle --loader:=css
    

  • JS:

    esbuild.build({
      bundle: true,
      loader: { '': 'css' },
    })
    

  • Go:

    api.Build(api.BuildOptions{
      Bundle: true,
      Loader: map[string]api.Loader{"": api.LoaderCSS},
    })
    

  In addition, the "type" field in package.json files now only applies to files with an explicit .js, .jsx, .ts, or .tsx extension. Previously it was incorrectly applied by esbuild to all files that had an extension other than .mjs, .mts, .cjs, or .cts including extensionless files. So for example an extensionless file in a "type": "module" package is now treated as CommonJS instead of ESM.

0.16.11

• Avoid a syntax error in the presence of direct eval (#2761)

  The behavior of nested function declarations in JavaScript depends on whether the code is run in strict mode or not. It would be problematic if esbuild preserved nested function declarations in its output because then the behavior would depend on whether the output was run in strict mode or not instead of respecting the strict mode behavior of the original source code. To avoid this, esbuild transforms nested function declarations to preserve the intended behavior of the original source code regardless of whether the output is run in strict mode or not:

  // Original code
  if (true) {
    function foo() {}
    console.log(!!foo)
    foo = null
    console.log(!!foo)
  }
  

... (truncated)

Commits

• a98870a publish 0.17.2 to npm
• 2163bf6 attempt to work around a ci-only problem
• 1d9e158 attempt to make cancel + rebuild more robust
• 7ba9504 rename waitGroup to disposeWaitGroup
• f0bff33 optimization: skip on-end packet when not needed
• 345ac51 test coverage for js watch output to stdout
• a691c04 test coverage for native watch output to stdout
• a3d3369 semantic change: always run onStart callbacks
• 8ffa1b7 fix rebuildCancel test flakes
• 462b286 add timeout for js tests for debugging ci
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #186.