FED1ZIndexShouldInRange.js

var base = require('../base')
var ERROR_LEVEL = base.ERROR_LEVEL
var Class = base.Class
var RuleChecker = base.RuleChecker
var helper = require('./helper');

module.exports = global.FEDZIndexShouldInRange = new Class(RuleChecker, function() {
    this.__init__ = function(self) {
        self.id = 'z-index-in-range'
        self.errorLevel = ERROR_LEVEL.ERROR
        self.errorMsg = 'value of "z-index" is not correct in "${selector}"'
    }

    this.check = function(self, rule, config) {
        if (rule.name != 'z-index')
            return true

        var zIndex = parseInt(rule.value, 10);

        if (zIndex < -1 || zIndex > 2100)
            return false

        return true 
    }

    this.__doc__ = {
        "summary":"z-index取值应符合范围要求",
        "desc":"<code>z-index</code> 的取值如果混乱，则会造成层之间的相互覆盖，\
            因此 <code>z-index</code> 取值必须符合一定的范围要求，具体要求请参见人人FED CSS编码规范"
    }
})