mirror of
https://github.com/gohugoio/hugo.git
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91 lines
2.7 KiB
Go
91 lines
2.7 KiB
Go
// Copyright 2018 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 scss
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import (
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"regexp"
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"github.com/gohugoio/hugo/helpers"
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"github.com/gohugoio/hugo/hugolib/filesystems"
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"github.com/gohugoio/hugo/resources"
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"github.com/spf13/afero"
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"github.com/mitchellh/mapstructure"
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)
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const transformationName = "tocss"
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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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workFs afero.Fs
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}
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func New(fs *filesystems.SourceFilesystem, rs *resources.Spec) (*Client, error) {
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return &Client{sfs: fs, workFs: rs.BaseFs.Work, rs: rs}, nil
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}
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type Options struct {
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// Hugo, will by default, just replace the extension of the source
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// to .css, e.g. "scss/main.scss" becomes "scss/main.css". You can
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// control this by setting this, e.g. "styles/main.css" will create
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// a Resource with that as a base for RelPermalink etc.
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TargetPath string
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// Hugo automatically adds the entry directories (where the main.scss lives)
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// for project and themes to the list of include paths sent to LibSASS.
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// Any paths set in this setting will be appended. Note that these will be
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// treated as relative to the working dir, i.e. no include paths outside the
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// project/themes.
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IncludePaths []string
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// Default is nested.
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// One of nested, expanded, compact, compressed.
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OutputStyle string
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// Precision of floating point math.
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Precision int
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// When enabled, Hugo will generate a source map.
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EnableSourceMap bool
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}
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func DecodeOptions(m map[string]any) (opts Options, err error) {
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if m == nil {
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return
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}
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err = mapstructure.WeakDecode(m, &opts)
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if opts.TargetPath != "" {
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opts.TargetPath = helpers.ToSlashTrimLeading(opts.TargetPath)
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}
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return
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}
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var (
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regularCSSImportTo = regexp.MustCompile(`.*(@import "(.*\.css)";).*`)
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regularCSSImportFrom = regexp.MustCompile(`.*(\/\* HUGO_IMPORT_START (.*) HUGO_IMPORT_END \*\/).*`)
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)
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func replaceRegularImportsIn(s string) (string, bool) {
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replaced := regularCSSImportTo.ReplaceAllString(s, "/* HUGO_IMPORT_START $2 HUGO_IMPORT_END */")
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return replaced, s != replaced
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}
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func replaceRegularImportsOut(s string) string {
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return regularCSSImportFrom.ReplaceAllString(s, "@import \"$2\";")
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}
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