Bump github.com/tetratelabs/wazero from 1.3.1 to 1.4.0

[dependabot]

Bumps github.com/tetratelabs/wazero from 1.3.1 to 1.4.0.

Release notes

Sourced from github.com/tetratelabs/wazero's releases.

v1.4.0

This release is hot 🔥 like a torrid summer sun! 🏖️

Let us all rejoyce: Go 1.21 is out!! We are now promoting the existing CI tests against the Go development branch to tests against the 1.21 stable release (#1616).

As you know may already know, we follow the Go support policy: i.e., we support each major Go release until there are two newer major releases: this means starting with the next release we will drop support for 1.18!

In case you missed it, WasmCon 2023 is taking place in Bellevue, 5-6 September so if you happen to be there, you might bump into @​evacchi, who will be there to deliver a talk on your favorite zero-dependency Wasm runtime for Go (yes, that's wazero).

If you won't be there, don't forget we always hang out in the gophers slack #wazero channel. Note: You may need an invite to join gophers. Regardless, if you like what we are doing, remember to star our repo because that's what the cool kids do 😎

In the meantime, let's take a look at what is new with this release. We have the usual influx of fixes and improvements and a major feature in experimental state: enter the Virtual File System API!

Virtual File System API

Thanks to a final spike before the release @​codefromthecrypt, with a lil' help from @​evacchi, completed this long-awaited feature, closing issue #1013.

It is now possible to configure a virtual file system using a lower-level API under experimental/sysfs, experimental/sys. In order to configure a custom file system you can type:

import(
	"github.com/tetratelabs/wazero/experimental/sys"
	"github.com/tetratelabs/wazero/experimental/sysfs"
)
...
cfg := wazero.NewModuleConfig().
	WithFSConfig(wazero.NewFSConfig().(sysfs.FSConfig).
		WithSysFSMount(<experimentalsys.FS>, <guestPath>))

This lower-level API gives a higher degree of control over lower-level FS operations, as compared to fs.FS, and ensure cross-platform portability. It handles experimentalsys.File instances (instead fs.File or os.File) and returns experimentalsys.Errno in case of error.

For instance, sysfs.DirFS is equivalent to os.DirFS and may be instantiated with:

      fs := sysfs.DirFS("/some/path")

AdaptFS adapts an fs.FS:

		adapted = &sysfs.AdaptFS{FS: fs}

You can also embed most of these types in your struct to provide default behavior to your own implemementation; for instance ReadFS provides a read-only view over a file system; there is also an experimentalsys.UnimplementedFS (returning experimentalsys.ENOSYS for most operations) that should be always embedded in your own implementation for forward compatibility. You can find examples under experimental/sysfs.

... (truncated)

Commits

• 352b7e2 ci: use the latest Go 1.21 (#1616)
• 009ee70 Re-introduces internal fsapi.File with non-blocking methods (#1613)
• 2922b0e Adds support for build on GOOS=js (#1614)
• edb7bc2 wasi: add more test cases to poll_oneoff, cleanup impl (#1612)
• 90f58bc compiler: fix compiledModule leak (#1608)
• 2f2b6a9 sysfs: Makes ReadFS and AdaptFS embeddable (#1607)
• 1f8c908 Exposes writeable filesystem as experimentalsys.FS (#1605)
• d88286b sysfs: restore check for EINTR in poll test, fix Windows tests (#1604)
• 6607078 Supports compilation with GOOS=plan9 (#1603)
• 2382bbf sysfs: decouples FS and File from the syscall package (#1602)
• Additional commits viewable in compare view

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[codecov-commenter]

Codecov Report

Merging #91 (80d2bc2) into main (b7dc25d) will not change coverage.
Report is 2 commits behind head on main.
The diff coverage is n/a.

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@@           Coverage Diff           @@
##             main      #91   +/-   ##
=======================================
  Coverage   75.41%   75.41%           
=======================================
  Files         110      110           
  Lines       24371    24371           
=======================================
  Hits        18380    18380           
  Misses       4239     4239           
  Partials     1752     1752           

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