mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-14 20:37:55 -05:00
109 lines
3.1 KiB
Go
109 lines
3.1 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 scss
|
|
|
|
import (
|
|
"github.com/bep/go-tocss/scss"
|
|
"github.com/gohugoio/hugo/helpers"
|
|
"github.com/gohugoio/hugo/hugolib/filesystems"
|
|
"github.com/gohugoio/hugo/resource"
|
|
"github.com/mitchellh/mapstructure"
|
|
)
|
|
|
|
type Client struct {
|
|
rs *resource.Spec
|
|
sfs *filesystems.SourceFilesystem
|
|
workFs *filesystems.SourceFilesystem
|
|
}
|
|
|
|
func New(fs *filesystems.SourceFilesystem, rs *resource.Spec) (*Client, error) {
|
|
return &Client{sfs: fs, workFs: rs.BaseFs.Work, rs: rs}, nil
|
|
}
|
|
|
|
type Options struct {
|
|
|
|
// Hugo, will by default, just replace the extension of the source
|
|
// to .css, e.g. "scss/main.scss" becomes "scss/main.css". You can
|
|
// control this by setting this, e.g. "styles/main.css" will create
|
|
// a Resource with that as a base for RelPermalink etc.
|
|
TargetPath string
|
|
|
|
// Hugo automatically adds the entry directories (where the main.scss lives)
|
|
// for project and themes to the list of include paths sent to LibSASS.
|
|
// Any paths set in this setting will be appended. Note that these will be
|
|
// treated as relative to the working dir, i.e. no include paths outside the
|
|
// project/themes.
|
|
IncludePaths []string
|
|
|
|
// Default is nested.
|
|
// One of nested, expanded, compact, compressed.
|
|
OutputStyle string
|
|
|
|
// Precision of floating point math.
|
|
Precision int
|
|
|
|
// When enabled, Hugo will generate a source map.
|
|
EnableSourceMap bool
|
|
}
|
|
|
|
type options struct {
|
|
// The options we receive from the end user.
|
|
from Options
|
|
|
|
// The options we send to the SCSS library.
|
|
to scss.Options
|
|
}
|
|
|
|
func (c *Client) ToCSS(res resource.Resource, opts Options) (resource.Resource, error) {
|
|
internalOptions := options{
|
|
from: opts,
|
|
}
|
|
|
|
// Transfer values from client.
|
|
internalOptions.to.Precision = opts.Precision
|
|
internalOptions.to.OutputStyle = scss.OutputStyleFromString(opts.OutputStyle)
|
|
|
|
if internalOptions.to.Precision == 0 {
|
|
// bootstrap-sass requires 8 digits precision. The libsass default is 5.
|
|
// https://github.com/twbs/bootstrap-sass/blob/master/README.md#sass-number-precision
|
|
internalOptions.to.Precision = 8
|
|
}
|
|
|
|
return c.rs.Transform(
|
|
res,
|
|
&toCSSTransformation{c: c, options: internalOptions},
|
|
)
|
|
}
|
|
|
|
type toCSSTransformation struct {
|
|
c *Client
|
|
options options
|
|
}
|
|
|
|
func (t *toCSSTransformation) Key() resource.ResourceTransformationKey {
|
|
return resource.NewResourceTransformationKey("tocss", t.options.from)
|
|
}
|
|
|
|
func DecodeOptions(m map[string]interface{}) (opts Options, err error) {
|
|
if m == nil {
|
|
return
|
|
}
|
|
err = mapstructure.WeakDecode(m, &opts)
|
|
|
|
if opts.TargetPath != "" {
|
|
opts.TargetPath = helpers.ToSlashTrimLeading(opts.TargetPath)
|
|
}
|
|
|
|
return
|
|
}
|