github.com/graemephi/kahugo@v0.62.3-0.20211121071557-d78c0423784d/resources/resource_transformers/tocss/scss/client_extended.go (about)

     1  // Copyright 2018 The Hugo Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  // +build extended
    15  
    16  package scss
    17  
    18  import (
    19  	"github.com/bep/golibsass/libsass"
    20  	"github.com/gohugoio/hugo/resources"
    21  	"github.com/gohugoio/hugo/resources/internal"
    22  	"github.com/gohugoio/hugo/resources/resource"
    23  )
    24  
    25  type options struct {
    26  	// The options we receive from the end user.
    27  	from Options
    28  
    29  	// The options we send to the SCSS library.
    30  	to libsass.Options
    31  }
    32  
    33  func (c *Client) ToCSS(res resources.ResourceTransformer, opts Options) (resource.Resource, error) {
    34  	internalOptions := options{
    35  		from: opts,
    36  	}
    37  
    38  	// Transfer values from client.
    39  	internalOptions.to.Precision = opts.Precision
    40  	internalOptions.to.OutputStyle = libsass.ParseOutputStyle(opts.OutputStyle)
    41  
    42  	if internalOptions.to.Precision == 0 {
    43  		// bootstrap-sass requires 8 digits precision. The libsass default is 5.
    44  		// https://github.com/twbs/bootstrap-sass/blob/master/README.md#sass-number-precision
    45  		internalOptions.to.Precision = 8
    46  	}
    47  
    48  	return res.Transform(&toCSSTransformation{c: c, options: internalOptions})
    49  }
    50  
    51  type toCSSTransformation struct {
    52  	c       *Client
    53  	options options
    54  }
    55  
    56  func (t *toCSSTransformation) Key() internal.ResourceTransformationKey {
    57  	return internal.NewResourceTransformationKey(transformationName, t.options.from)
    58  }