Remove unused code for proHeading, fix custom class for proScrollToTo…

…pButton

elements/proHeading/proHeading/component.js

@@ -4,16 +4,6 @@ import vcCake from 'vc-cake'
 const vcvAPI = vcCake.getService('api')
 
 export default class ProHeadingElement extends vcvAPI.elementComponent {
-  validateSize (value) {
-    let units = [ 'px', 'em', 'rem', '%', 'vw', 'vh' ]
-    let re = new RegExp('^-?\\d*(\\.\\d{0,9})?(' + units.join('|') + ')?$')
-    if (value === '' || value.match(re)) {
-      return value
-    } else {
-      return null
-    }
-  }
-
   render () {
     let { id, atts, editor } = this.props
     let { text, elementTag, font, devicesSettings, alignment, lineHeight, letterSpacing, link, colorType, customClass, metaCustomId } = atts
@@ -48,23 +38,6 @@ export default class ProHeadingElement extends vcvAPI.elementComponent {
       classes += ' ' + customClass
     }
 
-    if (lineHeight) {
-      lineHeight = this.validateSize(lineHeight)
-
-      if (lineHeight) {
-        innerCustomProps.style.lineHeight = lineHeight
-      }
-    }
-
-    if (letterSpacing) {
-      letterSpacing = this.validateSize(letterSpacing)
-
-      if (letterSpacing) {
-        letterSpacing = /^\d+$/.test(letterSpacing) ? letterSpacing + 'px' : letterSpacing
-        innerCustomProps.style.letterSpacing = letterSpacing
-      }
-    }
-
     let mixinData = this.getMixinData('textColor')
 
     if (mixinData) {

elements/proScrollToTopButton/proScrollToTopButton/component.js

@@ -11,7 +11,7 @@ export default class ProScrollToTopButton extends vcvAPI.elementComponent {
     let customProps = {}
 
     if (customClass) {
-      containerClasses =+ ` ${customClass}`
+      containerClasses += ` ${customClass}`
     }
 
     if (metaCustomId) {