chore: adds object-identity as known alternative

Author: maraisr

compare.js

@@ -13,22 +13,29 @@ const stringifyPackages = {
   'faster-stable-stringify': true,
   'json-stringify-deterministic': true,
   'fast-safe-stringify': 'stable',
+  'object-identity': import('object-identity').then(m => m.identify),
   'safe-stable-stringify': require('.')
 }
 
-for (const name in stringifyPackages) {
-  let fn
-  if (typeof stringifyPackages[name] === 'function') {
-    fn = stringifyPackages[name]
-  } else if (typeof stringifyPackages[name] === 'string') {
-    fn = require(name)[stringifyPackages[name]]
-  } else {
-    fn = require(name)
-  }
+async function main () {
+  for (const name in stringifyPackages) {
+    let fn
+    if (typeof stringifyPackages[name] === 'function') {
+      fn = stringifyPackages[name]
+    } else if (typeof stringifyPackages[name] === 'string') {
+      fn = require(name)[stringifyPackages[name]]
+    } else if (typeof stringifyPackages[name].then === 'function') {
+      fn = await stringifyPackages[name]
+    } else {
+      fn = require(name)
+    }
 
-  suite.add(name, function () {
-    fn(testData)
-  })
+    suite.add(name, function () {
+      fn(testData)
+    })
+  }
 }
 
-suite.run()
+main().then(function (){
+	suite.run()
+})

package.json

@@ -49,6 +49,7 @@
     "json-stable-stringify": "^1.3.0",
     "json-stringify-deterministic": "^1.0.12",
     "json-stringify-safe": "^5.0.1",
+    "object-identity": "^0.2.1",
     "bench-node": "^0.14.0",
     "standard": "^17.1.2",
     "tap": "^16.3.10",

readme.md

@@ -162,13 +162,15 @@ indentation:   deep circular x 16,443 ops/sec ±0.40% (97 runs sampled)
 Comparing `safe-stable-stringify` with known alternatives:
 
 ```md
-fast-json-stable-stringify x 18,765 ops/sec ±0.71% (94 runs sampled)
-json-stable-stringify x 13,870 ops/sec ±0.72% (94 runs sampled)
-fast-stable-stringify x 21,343 ops/sec ±0.33% (95 runs sampled)
-faster-stable-stringify x 17,707 ops/sec ±0.44% (97 runs sampled)
-json-stringify-deterministic x 11,208 ops/sec ±0.57% (98 runs sampled)
-fast-safe-stringify x 21,460 ops/sec ±0.75% (99 runs sampled)
-this x 30,367 ops/sec ±0.39% (96 runs sampled)
+fastest-stable-stringify x 53,720 ops/sec (11 runs sampled)
+fast-json-stable-stringify x 48,530 ops/sec (11 runs sampled)
+json-stable-stringify x 38,123 ops/sec (11 runs sampled)
+fast-stable-stringify x 54,064 ops/sec (12 runs sampled)
+faster-stable-stringify x 47,958 ops/sec (10 runs sampled)
+json-stringify-deterministic x 35,306 ops/sec (10 runs sampled)
+fast-safe-stringify x 44,133 ops/sec (10 runs sampled)
+object-identity x 103,553 ops/sec (13 runs sampled)
+this x 48,175 ops/sec (11 runs sampled)
 
 The fastest is this
 ```