mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-01 07:21:05 -05:00
33c0938cd5
While very useful on its own (and combined with the passthrough render hooks), this also serves as a proof of concept of using WASI (WebAssembly System Interface) modules in Hugo. This will be marked _experimental_ in the documentation. Not because it will be removed or changed in a dramatic way, but we need to think a little more how to best set up/configure similar services, define where these WASM files gets stored, maybe we can allow user provided WASM files plugins via Hugo Modules mounts etc. See these issues for more context: * https://github.com/gohugoio/hugo/issues/12736 * https://github.com/gohugoio/hugo/issues/12737 See #11927
113 lines
2.7 KiB
Go
113 lines
2.7 KiB
Go
// Copyright 2018 The Hugo Authors. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package hugio
|
|
|
|
import (
|
|
"io"
|
|
)
|
|
|
|
// As implemented by strings.Builder.
|
|
type FlexiWriter interface {
|
|
io.Writer
|
|
io.ByteWriter
|
|
WriteString(s string) (int, error)
|
|
WriteRune(r rune) (int, error)
|
|
}
|
|
|
|
type multiWriteCloser struct {
|
|
io.Writer
|
|
closers []io.WriteCloser
|
|
}
|
|
|
|
func (m multiWriteCloser) Close() error {
|
|
var err error
|
|
for _, c := range m.closers {
|
|
if closeErr := c.Close(); closeErr != nil {
|
|
err = closeErr
|
|
}
|
|
}
|
|
return err
|
|
}
|
|
|
|
// NewMultiWriteCloser creates a new io.WriteCloser that duplicates its writes to all the
|
|
// provided writers.
|
|
func NewMultiWriteCloser(writeClosers ...io.WriteCloser) io.WriteCloser {
|
|
writers := make([]io.Writer, len(writeClosers))
|
|
for i, w := range writeClosers {
|
|
writers[i] = w
|
|
}
|
|
return multiWriteCloser{Writer: io.MultiWriter(writers...), closers: writeClosers}
|
|
}
|
|
|
|
// ToWriteCloser creates an io.WriteCloser from the given io.Writer.
|
|
// If it's not already, one will be created with a Close method that does nothing.
|
|
func ToWriteCloser(w io.Writer) io.WriteCloser {
|
|
if rw, ok := w.(io.WriteCloser); ok {
|
|
return rw
|
|
}
|
|
|
|
return struct {
|
|
io.Writer
|
|
io.Closer
|
|
}{
|
|
w,
|
|
io.NopCloser(nil),
|
|
}
|
|
}
|
|
|
|
// ToReadCloser creates an io.ReadCloser from the given io.Reader.
|
|
// If it's not already, one will be created with a Close method that does nothing.
|
|
func ToReadCloser(r io.Reader) io.ReadCloser {
|
|
if rc, ok := r.(io.ReadCloser); ok {
|
|
return rc
|
|
}
|
|
|
|
return struct {
|
|
io.Reader
|
|
io.Closer
|
|
}{
|
|
r,
|
|
io.NopCloser(nil),
|
|
}
|
|
}
|
|
|
|
type ReadWriteCloser interface {
|
|
io.Reader
|
|
io.Writer
|
|
io.Closer
|
|
}
|
|
|
|
// PipeReadWriteCloser is a convenience type to create a pipe with a ReadCloser and a WriteCloser.
|
|
type PipeReadWriteCloser struct {
|
|
*io.PipeReader
|
|
*io.PipeWriter
|
|
}
|
|
|
|
// NewPipeReadWriteCloser creates a new PipeReadWriteCloser.
|
|
func NewPipeReadWriteCloser() PipeReadWriteCloser {
|
|
pr, pw := io.Pipe()
|
|
return PipeReadWriteCloser{pr, pw}
|
|
}
|
|
|
|
func (c PipeReadWriteCloser) Close() (err error) {
|
|
if err = c.PipeReader.Close(); err != nil {
|
|
return
|
|
}
|
|
err = c.PipeWriter.Close()
|
|
return
|
|
}
|
|
|
|
func (c PipeReadWriteCloser) WriteString(s string) (int, error) {
|
|
return c.PipeWriter.Write([]byte(s))
|
|
}
|