SimenB/stylint

'use strict'

var validJSON = require( '../data/valid.json' )
// we only want to check colons on properties/values
var ignoreRe = /( ^[&$=#>.]|\.[a-zA-Z]|#[a-zA-Z]| \+ | , | = | ~ | > | &| {|}|\(|if|for(?!\w)|else|return|@block|@media|@import|@extend|@require|,$)/m


/**
 * @description check for colons
 * @param {string} [line] curr line being linted
 * @returns {boolean} true if colon found, false if not
 */
var colons = function( line ) {
    if ( ignoreRe.test( line ) || this.state.context === 0 ) { return }

    var colon
    var hasPseudo = false
    var hasScope = false
    var arr = this.splitAndStrip( new RegExp( /\s/ ), line )

    if ( this.state.conf === 'always' &&
        arr.length > 1 &&
        arr[0].indexOf( ':' ) === -1 &&
        arr[0].indexOf( ',' ) === -1 ) {
        colon = false
    }
    // : is allowed in hashes
    else if ( !this.state.hash &&
        this.state.conf === 'never' &&
        line.indexOf( ':' ) !== -1 ) {

        // check for pseudo selector
        hasPseudo = validJSON.pseudo.some( function( val ) {
            return line.indexOf( val ) !== -1
        } )

        // check for scope selector
        hasScope = validJSON.scope.some( function( val ) {
            return line.indexOf( val ) !== -1
        } )

        if ( !hasPseudo && !hasScope ) {
            colon = true
        }
    }

    if ( this.state.conf === 'always' && colon === false ) {
        this.msg( 'missing colon between property and value', arr[0].length )
    }
    else if ( this.state.conf === 'never' && colon === true ) {
        this.msg( 'unnecessary colon found', line.indexOf( ':' ) )
    }

    return colon
}

module.exports = colons