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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 && $ is prefixing something
if ( this.state.conf === 'always' ) {
if ( line.indexOf( '=' ) !== -1 &&
line.indexOf( '@block' ) === -1 &&
!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' && !dollaRe.test( line ) ) {
hasDolla = false
}
if ( this.state.conf === 'always' && hasDolla === false ) {
this.msg( 'variables and parameters must be prefixed with the $ sign', 0 )
}
else if ( this.state.conf === 'never' && hasDolla === true ) {
this.msg( '$ sign is disallowed for variables and parameters', 0 )
}
return hasDolla
}
module.exports = prefixVarsWithDollar
</code></pre>
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