build: bump esbuild from 0.14.17 to 0.14.18

[dependabot]

Bumps esbuild from 0.14.17 to 0.14.18.

Release notes

Sourced from esbuild's releases.

v0.14.18

• Add the --mangle-cache= feature (#1977)

  This release adds a cache API for the newly-released --mangle-props= feature. When enabled, all mangled property renamings are recorded in the cache during the initial build. Subsequent builds reuse the renamings stored in the cache and add additional renamings for any newly-added properties. This has a few consequences:

  • You can customize what mangled properties are renamed to by editing the cache before passing it to esbuild (the cache is a map of the original name to the mangled name).

  • The cache serves as a list of all properties that were mangled. You can easily scan it to see if there are any unexpected property renamings.

  • You can disable mangling for individual properties by setting the renamed value to false instead of to a string. This is similar to the --reserve-props= setting but on a per-property basis.

  • You can ensure consistent renaming between builds (e.g. a main-thread file and a web worker, or a library and a plugin). Without this feature, each build would do an independent renaming operation and the mangled property names likely wouldn't be consistent.

  Here's how to use it:

  • CLI

    $ esbuild example.ts --mangle-props=_$ --mangle-cache=cache.json

  • JS API

    let result = await esbuild.build({
      entryPoints: ['example.ts'],
      mangleProps: /_$/,
      mangleCache: {
        customRenaming_: '__c',
        disabledRenaming_: false,
      },
    })
    let updatedMangleCache = result.mangleCache

  • Go API

    result := api.Build(api.BuildOptions{
      EntryPoints: []string{"example.ts"},
      MangleProps: "_$",
      MangleCache: map[string]interface{}{
        "customRenaming_":   "__c",
        "disabledRenaming_": false,
      },
    })
    updatedMangleCache := result.MangleCache

  The above code would do something like the following:

... (truncated)

Changelog

Sourced from esbuild's changelog.

0.14.18

• Add the --mangle-cache= feature (#1977)

  This release adds a cache API for the newly-released --mangle-props= feature. When enabled, all mangled property renamings are recorded in the cache during the initial build. Subsequent builds reuse the renamings stored in the cache and add additional renamings for any newly-added properties. This has a few consequences:

  • You can customize what mangled properties are renamed to by editing the cache before passing it to esbuild (the cache is a map of the original name to the mangled name).

  • The cache serves as a list of all properties that were mangled. You can easily scan it to see if there are any unexpected property renamings.

  • You can disable mangling for individual properties by setting the renamed value to false instead of to a string. This is similar to the --reserve-props= setting but on a per-property basis.

  • You can ensure consistent renaming between builds (e.g. a main-thread file and a web worker, or a library and a plugin). Without this feature, each build would do an independent renaming operation and the mangled property names likely wouldn't be consistent.

  Here's how to use it:

  • CLI

    $ esbuild example.ts --mangle-props=_$ --mangle-cache=cache.json

  • JS API

    let result = await esbuild.build({
      entryPoints: ['example.ts'],
      mangleProps: /_$/,
      mangleCache: {
        customRenaming_: '__c',
        disabledRenaming_: false,
      },
    })
    let updatedMangleCache = result.mangleCache

  • Go API

    result := api.Build(api.BuildOptions{
      EntryPoints: []string{"example.ts"},
      MangleProps: "_$",
      MangleCache: map[string]interface{}{
        "customRenaming_":   "__c",
        "disabledRenaming_": false,
      },
    })
    updatedMangleCache := result.MangleCache

... (truncated)

Commits

• 049e765 publish 0.14.18 to npm
• 81215bc minify undefined checks to typeof x < u
• 3108405 add ie to browser feature table
• fdb3e9d add opera to browser feature table
• 8e81f43 update from go 1.17.5 to go 1.17.6
• 02894dc fix #1977: add the --mangle-cache= feature
• fc45394 cli: clean up extra return value code
• eba56ee internal minify flags now match external flags
• See full diff in compare view

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