较少未定义的方法错误 [英] less undefined method error

问题描述

我有以下较少的编译错误。

  undefined_methodError：错误评估函数`darken`：Object＃< Object>在/Users/anderskitson/Sites/mrskitson.ca/wp-content/themes/wordpress-bootstrap/library/less/variables.less:164:34中没有方法'toHSL'
 163 @navbarBackground：.. /images/nav.png; 
 164 @navbarBorder：darken（@navbarBackground，12％）; 
 165 
 
（此操作是通过更改navbar.less触发的）
  

减少文件

  @navbarBackground：../images/nav.png; 
 background：url（{@ navbarBackground}）; 
   
 
解决方案
从精细手动：
 
 
  darken  
 
 
 
减少颜色的亮度绝对量。
 
 
 
参数： / p> 
 
 
 
 
  color ：彩色物件。
 
 
  amount ：百分比0-100％。
 
 
 
 
 
 c $ c> color  
 
 
  darken 函数想要一个颜色，但您的 @navbarBackground 是背景图像的URL。您收到关于 toHSL 的投诉，因为LESS正尝试将颜色转换为HSL格式，以使更暗的计算更容易。
 
 
 
我不知道有什么办法通过LESS变暗图像，你可能需要手动变暗图像，并根据需要在它们之间切换。
 
I have the following less compile error. My less is below not sure what is causing this.
undefined_methodError: error evaluating function `darken`: Object #<Object> has no method 'toHSL' in /Users/anderskitson/Sites/mrskitson.ca/wp-content/themes/wordpress-bootstrap/library/less/variables.less:164:34
163 @navbarBackground:                "../images/nav.png";
164 @navbarBorder:                    darken(@navbarBackground, 12%);
165

(This action was triggered by a change to navbar.less)
Less File
@navbarBackground: "../images/nav.png";
background: url("{@navbarBackground}");

解决方案
From the fine manual:

  
darken
  
  
Decrease the lightness of a color by an absolute amount.
  
  
Parameters:
  
  

  
color: A color object.
  
amount: A percentage 0-100%.
  
  
  
Returns: color
The darken function wants a color but your @navbarBackground is a URL for a background image. You're getting a complaint about toHSL because LESS is trying to convert the color to the HSL format to make the darkening computation easier.

I don't know of any way to darken an image through LESS, you might need to manually darken the image and switch between them as needed.

                        
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