SimenB/stylint

'use strict'

var eqEndRe = /=$|=\s$/


/**
 * @description depending on settings, enforce of disallow @block when defining block vars
 * @param {string} [line] curr line being linted
 * @returns {boolean | undefined} true if @block found, false if not, undefined if we skip
 */
var blocks = function( line ) {
    if ( line.indexOf( '=' ) === -1 ) { return }

    var block
    var index = line.indexOf( '@block' )

    // if = ends the line and not a block var or hash
    if ( index === -1 && eqEndRe.test( line ) ) {
        block = false
    }
    else if ( index !== -1 ) {
        block = true
    }

    if ( this.state.conf === 'always' && block === false ) {
        this.msg( 'block variables must include @block', line.length )
    }
    else if ( this.state.conf === 'never' && block === true ) {
        this.msg( '@block is not allowed', index )
    }

    return block
}

module.exports = blocks