rename t.getIds to t.getDeclarations and remove dead code

lib/6to5/transformation/modules/_default.js

@@ -45,7 +45,7 @@ var exportsVisitor = {
       formatter.hasLocalImports = true;
 
       if (declar && t.isStatement(declar)) {
-        extend(formatter.localExports, t.getIds(declar, true));
+        extend(formatter.localExports, t.getDeclarations(declar));
       }
 
       if (!node.default) {
@@ -67,7 +67,7 @@ var importsVisitor = {
   enter: function (node, parent, scope, context, formatter) {
     if (t.isImportDeclaration(node)) {
       formatter.hasLocalImports = true;
-      extend(formatter.localImports, t.getIds(node, true));
+      extend(formatter.localImports, t.getDeclarations(node));
       formatter.bumpImportOccurences(node);
     }
   }

lib/6to5/transformation/transformers/es6/block-scoping.js

@@ -259,7 +259,7 @@ LetScoping.prototype.getLetReferences = function () {
   //
   for (var i = 0; i < declarators.length; i++) {
     declar = declarators[i];
-    extend(this.outsideLetReferences, t.getIds(declar, true));
+    extend(this.outsideLetReferences, t.getDeclarations(declar));
   }
 
   //
@@ -275,7 +275,7 @@ LetScoping.prototype.getLetReferences = function () {
   //
   for (i = 0; i < declarators.length; i++) {
     declar = declarators[i];
-    var keys = t.getIds(declar, true);
+    var keys = t.getDeclarations(declar);
     extend(this.letReferences, keys);
     this.hasLetReferences = true;
   }

lib/6to5/transformation/transformers/es6/constants.js

@@ -6,7 +6,7 @@ var t        = require("../../../types");
 var visitor = {
   enter: function (node, parent, scope, context, state) {
     if (t.isDeclaration(node) || t.isAssignmentExpression(node)) {
-      var ids = t.getIds(node, true);
+      var ids = t.getDeclarations(node);
 
       for (var key in ids) {
         var id = ids[key];

lib/6to5/traverse/scope.js

@@ -42,7 +42,7 @@ Scope.defaultDeclarations = flatten([globals.builtin, globals.browser, globals.n
 Scope.prototype._add = function (node, references, throwOnDuplicate) {
   if (!node) return;
 
-  var ids = t.getIds(node, true);
+  var ids = t.getDeclarations(node);
 
   for (var key in ids) {
     var id = ids[key];

lib/6to5/types/index.js

@@ -502,12 +502,10 @@ t.toBlock = function (node, parent) {
  * declaration then it's assumed to be an assignable.
  *
  * @param {Object} node
- * @param {Boolean} [map]
- * @param {Array} [ignoreTypes]
  * @returns {Array|Object}
  */
 
-t.getIds = function (node, map, ignoreTypes) {
+t.getDeclarations = function (node) {
   var search = [].concat(node);
   var ids    = object();
 
@@ -515,11 +513,8 @@ t.getIds = function (node, map, ignoreTypes) {
     var id = search.shift();
     if (!id) continue;
 
-    // blacklist types
+    var nodeKeys = t.getDeclarations.nodes[id.type];
-    if (ignoreTypes && ignoreTypes.indexOf(id.type) >= 0) continue;
+    var arrKeys  = t.getDeclarations.arrays[id.type];
-
-    var nodeKeys = t.getIds.nodes[id.type];
-    var arrKeys  = t.getIds.arrays[id.type];
 
     var i, key;
 
@@ -545,11 +540,10 @@ t.getIds = function (node, map, ignoreTypes) {
     }
   }
 
-  if (!map) ids = keys(ids);
   return ids;
 };
 
-t.getIds.nodes = {
+t.getDeclarations.nodes = {
   AssignmentExpression: ["left"],
   ImportBatchSpecifier: ["name"],
   ImportSpecifier: ["name", "id"],
@@ -565,7 +559,7 @@ t.getIds.nodes = {
   AssignmentPattern: ["left"]
 };
 
-t.getIds.arrays = {
+t.getDeclarations.arrays = {
   PrivateDeclaration: ["declarations"],
   ComprehensionExpression: ["blocks"],
   ImportDeclaration: ["specifiers"],