reference-map - npm Package Compare versions

Comparing version 1.2.0 to 1.2.1

index.js

@@ -6,2 +6,3 @@ module.exports = class ReferanceMap {
   constructor () {
+    this.intRefProp = Symbol('int')
     this._map = []
@@ -18,3 +19,8 @@ }
   add (obj, type) {
-    return this._map.push({obj, type}) - 1
+    let ref = obj[this.intRefProp]
+    if (ref === undefined) {
+      ref = this._map.push({obj, type}) - 1
+      obj[this.intRefProp] = ref
+    }
+    return ref
   }
@@ -21,0 +27,0 @@

package.json

 {
   "name": "reference-map",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "This is a simple determinstic map that maps POJOs to an integer",
@@ -5,0 +5,0 @@ "main": "index.js",

tests/index.js

@@ -5,3 +5,3 @@ const tape = require('tape')
 tape('referance mapping', t => {
-  t.plan(11)
+  t.plan(12)
   const referanceMap = new ReferanceMap()
@@ -25,2 +25,6 @@ const obj1 = {}
 
+  const dupRef = referanceMap.add(obj2)
+
+  t.equals(dupRef, ref2, 'detect duplicate refs')
+
   referanceMap.delete(ref1)
@@ -27,0 +31,0 @@ try {

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Improved metrics

Total package byte prevSize

63777

increased by0.39%

Lines of code

522

increased by1.56%

No dependency changes