vendor/kinetic-v5.1.0.js
function() {
            return this.attrs.height === AUTO ? (this.getTextHeight() * this.textArr.length * this.getLineHeight()) + this.getPadding() * 2 : this.attrs.height;
        }
function() {
            return this.attrs.height === AUTO ? (this.getTextHeight() * this.textArr.length * this.getLineHeight()) + this.getPadding() * 2 : this.attrs.height;
        }
function ( ) { return this . attrs . height === AUTO ? ( this . getTextHeight ( ) * this . textArr . length * this . getLineHeight ( ) ) + this . getPadding ( ) * 2 : this . attrs . height ; }
get the height of the text area, which takes into account multi-line text, line heights, and padding
@method
@memberof Kinetic.Text.prototype
@returns {Number}
get the height of the text area which takes into account multi - line text line heights and padding