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

    



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

var parensRe = /\(.+\)/
var parensBeginWithSpaceRe = /\(\s+/
var parensEndWithSpaceRe = /\s+\)+/
var parensBeginWithNoSpaceRe = /\(\S+/
var parensEndWithNoSpaceRe = /\S+\)+/


/**
 * @description checks for extra space when using parens
 * @param {string} [line] curr line being linted
 * @param {string} [origLine] curr line before being stripped
 * @return {boolean} true if placeholder used, false if not
 */
var parenSpace = function( line, origLine ) {
    if ( !parensRe.test( origLine ) ) { return }

    var hasStartSpace = parensBeginWithSpaceRe.exec( origLine )
    var hasEndSpace = parensEndWithSpaceRe.exec( origLine )
    var index
    var missingStartSpace
    var missingEndSpace

    if ( this.state.conf === 'always' &amp;&amp; ( !hasStartSpace || !hasEndSpace ) ) {
        missingStartSpace = parensBeginWithNoSpaceRe.exec( origLine )
        missingEndSpace = parensEndWithNoSpaceRe.exec( origLine )
        index = missingStartSpace &amp;&amp; missingStartSpace.index

        if ( !index &amp;&amp; missingEndSpace ) {
            index = missingEndSpace.index
        }

        this.msg( '( param1, param2 ) is preferred over (param1, param2)', index )
    }
    else if ( this.state.conf === 'never' &amp;&amp; ( hasStartSpace || hasEndSpace ) ) {
        index = hasStartSpace &amp;&amp; hasStartSpace.index

        if ( !index &amp;&amp; hasEndSpace ) {
            index = hasEndSpace.index
        }

        this.msg( '(param1, param2) is preferred over ( param1, param2 )', index )
    }

    return hasStartSpace &amp;&amp; hasEndSpace
}

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