mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-29 23:53:32 -05:00
146 lines
3.4 KiB
Go
146 lines
3.4 KiB
Go
// Copyright 2020 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package js
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"strings"
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"github.com/gohugoio/hugo/hugofs"
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"github.com/spf13/afero"
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"github.com/gohugoio/hugo/common/herrors"
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"github.com/gohugoio/hugo/hugolib/filesystems"
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"github.com/gohugoio/hugo/media"
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"github.com/gohugoio/hugo/resources/internal"
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"github.com/evanw/esbuild/pkg/api"
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"github.com/gohugoio/hugo/resources"
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"github.com/gohugoio/hugo/resources/resource"
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)
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// Client context for ESBuild.
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type Client struct {
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rs *resources.Spec
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sfs *filesystems.SourceFilesystem
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}
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// New creates a new client context.
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func New(fs *filesystems.SourceFilesystem, rs *resources.Spec) *Client {
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return &Client{
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rs: rs,
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sfs: fs,
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}
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}
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type buildTransformation struct {
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optsm map[string]interface{}
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c *Client
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}
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func (t *buildTransformation) Key() internal.ResourceTransformationKey {
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return internal.NewResourceTransformationKey("jsbuild", t.optsm)
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}
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func (t *buildTransformation) Transform(ctx *resources.ResourceTransformationCtx) error {
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ctx.OutMediaType = media.JavascriptType
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opts, err := decodeOptions(t.optsm)
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if err != nil {
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return err
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}
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if opts.TargetPath != "" {
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ctx.OutPath = opts.TargetPath
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} else {
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ctx.ReplaceOutPathExtension(".js")
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}
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src, err := ioutil.ReadAll(ctx.From)
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if err != nil {
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return err
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}
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sdir, _ := path.Split(ctx.SourcePath)
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opts.sourcefile = ctx.SourcePath
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opts.resolveDir = t.c.sfs.RealFilename(sdir)
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opts.workDir = t.c.rs.WorkingDir
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opts.contents = string(src)
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opts.mediaType = ctx.InMediaType
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buildOptions, err := toBuildOptions(opts)
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if err != nil {
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return err
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}
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buildOptions.Plugins, err = createBuildPlugins(t.c, opts)
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if err != nil {
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return err
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}
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result := api.Build(buildOptions)
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if len(result.Errors) > 0 {
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first := result.Errors[0]
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loc := first.Location
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path := loc.File
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var err error
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var f afero.File
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var filename string
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if !strings.HasPrefix(path, "..") {
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// Try first in the assets fs
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var fi os.FileInfo
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fi, err = t.c.rs.BaseFs.Assets.Fs.Stat(path)
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if err == nil {
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m := fi.(hugofs.FileMetaInfo).Meta()
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filename = m.Filename()
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f, err = m.Open()
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}
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}
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if f == nil {
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path = filepath.Join(t.c.rs.WorkingDir, path)
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filename = path
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f, err = t.c.rs.Fs.Os.Open(path)
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}
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if err == nil {
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fe := herrors.NewFileError("js", 0, loc.Line, loc.Column, errors.New(first.Text))
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err, _ := herrors.WithFileContext(fe, filename, f, herrors.SimpleLineMatcher)
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f.Close()
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return err
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}
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return fmt.Errorf("%s", result.Errors[0].Text)
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}
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ctx.To.Write(result.OutputFiles[0].Contents)
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return nil
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}
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// Process process esbuild transform
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func (c *Client) Process(res resources.ResourceTransformer, opts map[string]interface{}) (resource.Resource, error) {
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return res.Transform(
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&buildTransformation{c: c, optsm: opts},
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)
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}
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