github.com/neohugo/neohugo@v0.123.8/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  //go:build extended
    15  // +build extended
    16  
    17  package scss
    18  
    19  import (
    20  	"github.com/bep/golibsass/libsass"
    21  	"github.com/neohugo/neohugo/resources"
    22  	"github.com/neohugo/neohugo/resources/internal"
    23  	"github.com/neohugo/neohugo/resources/resource"
    24  )
    25  
    26  type options struct {
    27  	// The options we receive from the end user.
    28  	from Options
    29  
    30  	// The options we send to the SCSS library.
    31  	to libsass.Options
    32  }
    33  
    34  func (c *Client) ToCSS(res resources.ResourceTransformer, opts Options) (resource.Resource, error) {
    35  	internalOptions := options{
    36  		from: opts,
    37  	}
    38  
    39  	// Transfer values from client.
    40  	internalOptions.to.Precision = opts.Precision
    41  	internalOptions.to.OutputStyle = libsass.ParseOutputStyle(opts.OutputStyle)
    42  
    43  	if internalOptions.to.Precision == 0 {
    44  		// bootstrap-sass requires 8 digits precision. The libsass default is 5.
    45  		// https://github.com/twbs/bootstrap-sass/blob/master/README.md#sass-number-precision
    46  		internalOptions.to.Precision = 8
    47  	}
    48  
    49  	return res.Transform(&toCSSTransformation{c: c, options: internalOptions})
    50  }
    51  
    52  type toCSSTransformation struct {
    53  	c       *Client
    54  	options options
    55  }
    56  
    57  func (t *toCSSTransformation) Key() internal.ResourceTransformationKey {
    58  	return internal.NewResourceTransformationKey(transformationName, t.options.from)
    59  }