From 594843af5081b9c9d14c2cc26100cfe9d4c110f4 Mon Sep 17 00:00:00 2001
From: Adam Eisenreich <akxe@seznam.cz>
Date: Fri, 27 Oct 2023 23:50:23 +0200
Subject: [PATCH] feat: Add native JSON to benchmark

---
 benchmark/index.js                 | 15 ++++++++-
 benchmark/native-json/index.js     |  2 ++
 benchmark/native-json/parser.js    | 33 ++++++++++++++++++++
 benchmark/native-json/stringify.js | 50 ++++++++++++++++++++++++++++++
 4 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 benchmark/native-json/index.js
 create mode 100644 benchmark/native-json/parser.js
 create mode 100644 benchmark/native-json/stringify.js

diff --git a/benchmark/index.js b/benchmark/index.js
index 5c20cbb..38bae45 100644
--- a/benchmark/index.js
+++ b/benchmark/index.js
@@ -7,11 +7,13 @@ import * as superjson from "superjson";
 import { createTson, tsonDate, tsonRegExp, tsonSet } from "tupleson";
 import { gzipSync } from "zlib";
 
+import { nativeJSONParse, nativeJSONStringify } from './native-json/index.js';
+
 const obj = {
 	array: [{ foo: 1 }, { bar: 2 }, { baz: 3 }],
 	date: new Date(),
 	number: 42,
-	regex: /the quick brown fox/,
+	regex: /the quick brown fox/i,
 	set: new Set([1, 2, 3]),
 	xss: '</script><script>alert("XSS")</script>',
 };
@@ -25,6 +27,17 @@ const tson = createTson({
 });
 
 const testingMethods = [
+	{
+		name: 'native',
+		parse: str => nativeJSONParse(str),
+		results: {
+			parse: 0,
+			size: 0,
+			sizeGZipped: 0,
+			stringify: 0,
+		},
+		stringify: () => nativeJSONStringify(obj),
+	},
 	{
 		name: 'superJSON',
 		parse: str => superjson.parse(str),
diff --git a/benchmark/native-json/index.js b/benchmark/native-json/index.js
new file mode 100644
index 0000000..383a6f9
--- /dev/null
+++ b/benchmark/native-json/index.js
@@ -0,0 +1,2 @@
+export * from './stringify.js';
+export * from './parser.js';
diff --git a/benchmark/native-json/parser.js b/benchmark/native-json/parser.js
new file mode 100644
index 0000000..a45c01e
--- /dev/null
+++ b/benchmark/native-json/parser.js
@@ -0,0 +1,33 @@
+export function nativeJSONParse(value) {
+	return JSON.parse(value, reviver);
+}
+
+function dateReviver(value) {
+	return new Date(value.iso);
+}
+
+function regExpReviver(value) {
+	return new RegExp(value.source, value.flags);
+}
+
+function setReviver(value) {
+	return new Set(value.values);
+}
+
+function reviver(key, value) {
+	if (typeof value === 'object' && value !== null) {
+		if ('__type' in value) {
+			switch (value.__type) {
+				case 'Date':
+					return dateReviver(value);
+				case 'RegExp':
+					return regExpReviver(value);
+				case 'Set':
+					return setReviver(value);
+			}
+		}
+	}
+
+	// For primitives, use native function
+	return value;
+}
diff --git a/benchmark/native-json/stringify.js b/benchmark/native-json/stringify.js
new file mode 100644
index 0000000..6d61009
--- /dev/null
+++ b/benchmark/native-json/stringify.js
@@ -0,0 +1,50 @@
+export function nativeJSONStringify(value) {
+	return JSON.stringify(value, replacer);
+}
+
+function dateReplacer(value) {
+	return {
+		__type: 'Date',
+		iso: value.toISOString(),
+	};
+}
+
+function regExpReplacer(value) {
+	return {
+		__type: 'RegExp',
+		flags: value.flags,
+		source: value.source,
+	};
+}
+
+function setReplacer(value) {
+	return {
+		__type: 'Set',
+		values: Array.from(value),
+	};
+}
+
+function replacer(key, value) {
+	if (typeof value === 'bigint') {
+		return value.toString();
+	} else if (typeof value === 'symbol') {
+		return value.toString();
+	} else if (typeof value === 'object') {
+		if (value instanceof Date) {
+			return dateReplacer(value);
+		} else if (value instanceof RegExp) {
+			return regExpReplacer(value);
+		} else if (value instanceof Set) {
+			return setReplacer(value);
+		}
+
+		return value;
+	} else if (typeof value === 'string') {
+		if (this[key] instanceof Date) {
+			return dateReplacer(this[key]);
+		}
+	}
+
+	// For primitives, use native function
+	return value;
+}