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POModifying Watched LESS Variables in Bootstrap
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  1. POModifying Watched LESS Variables in Bootstrap
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    copied!<p>I am using bootstrap that defines many less variables, take<code>@body-bg</code> as an example. I created a color theme that defines <code>@background</code>. To glue the two together I do the following:</p> <pre class="lang-css prettyprint-override"><code>@body-bg: @background </code></pre> <p>Now, I want to be able to switch between color themes. So I use less' watch feature to change <code>@background</code>, but less doesn't appear to propagate this to the @body-bg and it actually switches to the bootstrap default.</p> <p>I don't want to do either of the following</p> <ul> <li><code>less.modifyVars({ '@body-bg': '#FFFF00' })</code></li> <li><code>less.modifyVars({ '@background': '#FFFF00', '@body-bg': '@background' })</code></li> </ul> <p>because there are many other variables that are defined from <code>@background</code>.</p> <p>Here are some test pages.</p> <p><strong>Problem.htm</strong></p> <pre class="lang-html prettyprint-override"><code>&lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt; &lt;link rel="stylesheet/less" type="text/css" href="problem.less" /&gt; &lt;script src="//cdnjs.cloudflare.com/ajax/libs/less.js/1.4.1/less.min.js#!watch" type="text/javascript"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;a href="#" onclick="less.modifyVars({ '@background': '#FF0000' })"&gt;Apple Style!&lt;/a&gt; &lt;a href="#" onclick="less.modifyVars({ '@background': '#FFFF00' })"&gt;Banana Style!&lt;/a&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p><strong>problem.less</strong></p> <pre class="lang-css prettyprint-override"><code>@background: #FF0000; @import "bootstrap/bootstrap.less"; @body-bg: @background; </code></pre>
 

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