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    <h1 class="page-title">Source: checks/prefixVarsWithDollar.js</h1>

    



    
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            <pre class="prettyprint source linenums"><code>'use strict'

var dollaRe = /\$[\-_]*\w/
var eqEndRe = /=$|=\s$/
var ignoreRe = /(\[.+\])|if|for|else|return|@require|@import|@media|@block|vendor-prefixes|calc|(=|= )$|{$/ // 3


/**
 * @description check that $ is used when declaring vars
 * @param  {string} [line] curr line being linted
 * @return {boolean} true if in order, false if not
 */
var prefixVarsWithDollar = function( line ) {
    if ( this.state.hashOrCSS || ignoreRe.test( line ) ) { return }

    var hasDolla = true

    // if line has a mixin, we need check each param for missing $
    // else we just check if = is present &amp;&amp; $ is prefixing something
    if ( this.state.conf === 'always' ) {
        if ( line.indexOf( '=' ) !== -1 &amp;&amp;
            line.indexOf( '@block' ) === -1 &amp;&amp;
            !eqEndRe.test( line ) ) {

            if ( !dollaRe.test( line ) ) {
                hasDolla = false
            }
        }
    }
    // the never check is easier, since any $ means it fails
    else if ( this.state.conf === 'never' &amp;&amp; !dollaRe.test( line ) ) {
        hasDolla = false
    }

    if ( this.state.conf === 'always' &amp;&amp; hasDolla === false ) {
        this.msg( 'variables and parameters must be prefixed with the $ sign', 0 )
    }
    else if ( this.state.conf === 'never' &amp;&amp; hasDolla === true ) {
        this.msg( '$ sign is disallowed for variables and parameters', 0 )
    }

    return hasDolla
}

module.exports = prefixVarsWithDollar
</code></pre>
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