From ac5dcf2884d55b745d012e339ec095fdbb0d425d Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Tue, 1 Sep 2015 05:00:38 +0100
Subject: [PATCH] add support for eslint colons in visitors

---
 packages/babel-traverse/src/visitors.js | 48 +++++++++----------------
 1 file changed, 16 insertions(+), 32 deletions(-)

diff --git a/packages/babel-traverse/src/visitors.js b/packages/babel-traverse/src/visitors.js
index 9fc5624793..4e33b083f0 100644
--- a/packages/babel-traverse/src/visitors.js
+++ b/packages/babel-traverse/src/visitors.js
@@ -3,10 +3,6 @@ import * as messages from "babel-messages";
 import * as t from "babel-types";
 import clone from "lodash/lang/clone";
 
-/**
- * [Please add a description.]
- */
-
 export function explode(visitor) {
   if (visitor._exploded) return visitor;
   visitor._exploded = true;
@@ -26,6 +22,22 @@ export function explode(visitor) {
     }
   }
 
+  // normalise colons
+  for (let nodeType in visitor) {
+    if (shouldIgnoreKey(nodeType)) continue;
+
+    let parts = nodeType.split(":");
+    if (parts.length === 1) continue;
+
+    let fns = visitor[nodeType];
+    delete visitor[nodeType];
+
+    nodeType = parts[0];
+
+    visitor[nodeType] = visitor[nodeType] || {};
+    visitor[nodeType][parts[1]] = fns;
+  }
+
   // verify data structure
   verify(visitor);
 
@@ -100,10 +112,6 @@ export function explode(visitor) {
   return visitor;
 }
 
-/**
- * [Please add a description.]
- */
-
 export function verify(visitor) {
   if (visitor._verified) return;
 
@@ -130,10 +138,6 @@ export function verify(visitor) {
   visitor._verified = true;
 }
 
-/**
- * [Please add a description.]
- */
-
 export function merge(visitors) {
   var rootVisitor = {};
 
@@ -149,10 +153,6 @@ export function merge(visitors) {
   return rootVisitor;
 }
 
-/**
- * [Please add a description.]
- */
-
 function ensureEntranceObjects(obj) {
   for (let key in obj) {
     if (shouldIgnoreKey(key)) continue;
@@ -164,19 +164,11 @@ function ensureEntranceObjects(obj) {
   }
 }
 
-/**
- * [Please add a description.]
- */
-
 function ensureCallbackArrays(obj){
   if (obj.enter && !Array.isArray(obj.enter)) obj.enter = [obj.enter];
   if (obj.exit && !Array.isArray(obj.exit)) obj.exit = [obj.exit];
 }
 
-/**
- * [Please add a description.]
- */
-
 function wrapCheck(wrapper, fn) {
   return function () {
     if (wrapper.checkPath(this)) {
@@ -185,10 +177,6 @@ function wrapCheck(wrapper, fn) {
   };
 }
 
-/**
- * [Please add a description.]
- */
-
 function shouldIgnoreKey(key) {
   // internal/hidden key
   if (key[0] === "_") return true;
@@ -202,10 +190,6 @@ function shouldIgnoreKey(key) {
   return false;
 }
 
-/**
- * [Please add a description.]
- */
-
 function mergePair(dest, src) {
   for (var key in src) {
     dest[key] = [].concat(dest[key] || [], src[key]);