Rename parameter in algorithm

Author: wooorm

index.js

@@ -10,7 +10,6 @@ Index.prototype.add = add
 Index.prototype.remove = remove
 
 function Index(tree, filter, prop) {
-  var key
   var self
 
   if (!(this instanceof Index)) {
@@ -29,10 +28,9 @@ function Index(tree, filter, prop) {
   }
 
   self = this
-  key = typeof prop === 'string' ? pluck : prop
 
   this.index = new Map()
-  this.keyfn = key
+  this.keyfn = typeof prop === 'string' ? pluck : prop
 
   if (tree) {
     visit(tree, filter, add)

test.js

@@ -17,7 +17,7 @@ test('Index', function(t) {
   t.deepEqual(
     [instance instanceof Index, instance.get(1)],
     [true, [node]],
-    'index(key)'
+    'index(prop)'
   )
 
   instance = new Index('id')
@@ -26,7 +26,7 @@ test('Index', function(t) {
   t.deepEqual(
     [instance instanceof Index, instance.get(1)],
     [true, [node]],
-    'new Index(key)'
+    'new Index(prop)'
   )
 
   instance = index(keyFn)
@@ -52,31 +52,31 @@ test('Index', function(t) {
   t.deepEqual(
     [instance instanceof Index, instance.get(1)],
     [true, [node, alt]],
-    'index(tree, key)'
+    'index(tree, prop)'
   )
 
-  instance = new Index(tree, keyFn)
+  instance = new Index(tree, 'id')
 
   t.deepEqual(
     [instance instanceof Index, instance.get(1)],
     [true, [node, alt]],
-    'new Index(tree, key)'
+    'new Index(tree, prop)'
   )
 
   instance = index(tree, filter, 'id')
 
   t.deepEqual(
     [instance instanceof Index, instance.get(1)],
     [true, [node]],
-    'index(tree, filter, key)'
+    'index(tree, filter, prop)'
   )
 
-  instance = new Index(tree, filter, keyFn)
+  instance = new Index(tree, filter, 'id')
 
   t.deepEqual(
     [instance instanceof Index, instance.get(1)],
     [true, [node]],
-    'new Index(tree, filter, key)'
+    'new Index(tree, filter, prop)'
   )
 
   t.end()