add new-line spacing to match original code style

Since not everyone uses a custom line-height in the editor instead of inserting line breaks for clarity.

Author: pryley

lib/plugin.js

@@ -18,9 +18,11 @@ const hasParentRule = (rule) => {
   if (!rule.parent) {
     return false
   }
+
   if (rule.parent.type === 'rule') {
     return true
   }
+
   return hasParentRule(rule.parent)
 }
 
@@ -48,6 +50,7 @@ const parentIsAllowedAtRule = (rule) => {
  */
 const regexpToGlobalRegexp = (regexp) => {
   let source = regexp instanceof RegExp ? regexp.source : regexp
+
   return new RegExp(source, 'g')
 }
 
@@ -59,43 +62,56 @@ module.exports = (options = {}) => {
     ignoreRoot = true,
     dropRoot = true,
   } = options
+
   selfSelector = regexpToGlobalRegexp(selfSelector)
+
   const namespaceSelector = (selector, computedNamespace) => {
     if (hasSelfSelector(selector)) {
       return computedNamespace.split(',').map(namespace => selector.replace(selfSelector, namespace)).join(',');
     }
+
     if (hasRootSelector(selector)) {
       return dropRootSelector(selector)
     }
+
     return computedNamespace.split(',').map(namespace => `${namespace} ${selector}`).join(',');
   }
+
   const hasSelfSelector = (selector) => {
     selfSelector.lastIndex = 0
+
     return selfSelector.test(selector)
   }
+
   const hasRootSelector = (selector) => {
     return ignoreRoot && selector.search(rootSelector) === 0
   }
+
   const dropRootSelector = (selector) => {
     if (dropRoot) {
       return selector.replace(rootSelector, '').trim() || selector
     }
+
     return selector
   }
+
   return {
     postcssPlugin: 'postcss-selector-namespaces',
     Once (root, { result }) {
       const computedNamespace =
         typeof namespace === 'string'
           ? namespace
           : namespace(root.source.input.file)
+
       if (!computedNamespace) {
         return
       }
+
       root.walkRules(rule => {
         if (canNamespaceSelectors(rule)) {
           return
         }
+
         rule.selectors = rule.selectors.map(selector =>
           namespaceSelector(selector, computedNamespace),
         )