formatting rumus salary component

sortedKeys: function() {
        let sorted = {}
        Object.keys(this.rumusKomponen)
            .sort()
            .forEach(key => {
                sorted[key] = this.rumusKomponen[key]
            })
        let values = Object.values(sorted)
        let translatedValues = values.map(v => {
            if(v != null) {
                return '['+this.translateTable(this.translateColumn(v))+']'
            }
        })
        return translatedValues.join('')
    },
    sortedKeysIf: function() {
        let sorted = {}
        Object.keys(this.rumusKondisi)
            .sort()
            .forEach(key => {
                sorted[key] = this.rumusKondisi[key]
            })
        let values = Object.values(sorted)
        let translatedValues = values.map(v => {
            if(v != null) {
                return '['+this.translateTable(this.translateColumn(v))+']'
            }
        })
        return translatedValues.join('')
    }