fixed methods not returning this and missing methods on List

5 files changed, 14 insertions, 3 deletions

diff --git a/src/modules/optional/arrange.js b/src/modules/optional/arrange.js
index f06509a..7c9d994 100644
--- a/src/modules/optional/arrange.js
+++ b/src/modules/optional/arrange.js
@@ -99,11 +99,13 @@ export function after (element) {
 export function insertBefore (element) {
   element = makeInstance(element)
   element.before(this)
+  return this
 }
 
 export function insertAfter (element) {
   element = makeInstance(element)
   element.after(this)
+  return this
 }
 
 registerMethods('Dom', {
diff --git a/src/modules/optional/sugar.js b/src/modules/optional/sugar.js
index 18f3e78..d4255c3 100644
--- a/src/modules/optional/sugar.js
+++ b/src/modules/optional/sugar.js
@@ -96,7 +96,7 @@ registerMethods([ 'Element', 'Runner' ], {
       : (direction === 'y') ? [ 0, around ]
       : isFinite(direction) ? [ direction, direction ]
       : [ 0, 0 ]
-    this.transform({ flip: directionString, origin: origin }, true)
+    return this.transform({ flip: directionString, origin: origin }, true)
   },
 
   // Opacity
diff --git a/src/types/List.js b/src/types/List.js
index ccdf11d..44f0fed 100644
--- a/src/types/List.js
+++ b/src/types/List.js
@@ -30,8 +30,17 @@ extend(List, {
   }
 })
 
+const reserved = ['toArray', 'constructor', 'each']
+
 List.extend = function (methods) {
   methods = methods.reduce((obj, name) => {
+    // Don't overwrite own methods
+    if (reserved.includes(name)) return obj
+
+    // Don't add private methods
+    if (name[0] === '_') return obj
+
+    // Relay every call to each()
     obj[name] = function (...attrs) {
       return this.each(name, ...attrs)
     }
diff --git a/src/utils/adopter.js b/src/utils/adopter.js
index 34b853e..f091c96 100644
--- a/src/utils/adopter.js
+++ b/src/utils/adopter.js
@@ -75,7 +75,7 @@ export function register (element, name = element.name, asRoot = false) {
   elements[name] = element
   if (asRoot) elements[root] = element
 
-  addMethodNames(Object.keys(element.prototype))
+  addMethodNames(Object.getOwnPropertyNames(element.prototype))
 
   return element
 }
diff --git a/src/utils/methods.js b/src/utils/methods.js
index bc05a70..e957213 100644
--- a/src/utils/methods.js
+++ b/src/utils/methods.js
@@ -16,7 +16,7 @@ export function registerMethods (name, m) {
     return
   }
 
-  addMethodNames(Object.keys(m))
+  addMethodNames(Object.getOwnPropertyNames(m))
   methods[name] = Object.assign(methods[name] || {}, m)
 }