impl #1

1 files changed, 86 insertions, 0 deletions

diff --git a/bench/snippets/escapeHTML.js b/bench/snippets/escapeHTML.js
new file mode 100644
index 000000000..61bb74c7d
--- /dev/null
+++ b/bench/snippets/escapeHTML.js
@@ -0,0 +1,86 @@
+import { group } from "mitata";
+import { bench, run } from "mitata";
+
+var bunEscapeHTML = Bun.escapeHTML;
+
+const matchHtmlRegExp = /["'&<>]/;
+
+/**
+ * Escapes special characters and HTML entities in a given html string.
+ *
+ * @param  {string} string HTML string to escape for later insertion
+ * @return {string}
+ * @public
+ */
+
+function reactEscapeHtml(string) {
+  const str = "" + string;
+  const match = matchHtmlRegExp.exec(str);
+
+  if (!match) {
+    return str;
+  }
+
+  let escape;
+  let html = "";
+  let index;
+  let lastIndex = 0;
+
+  for (index = match.index; index < str.length; index++) {
+    switch (str.charCodeAt(index)) {
+      case 34: // "
+        escape = "&quot;";
+        break;
+      case 38: // &
+        escape = "&amp;";
+        break;
+      case 39: // '
+        escape = "&#x27;"; // modified from escape-html; used to be '&#39'
+        break;
+      case 60: // <
+        escape = "&lt;";
+        break;
+      case 62: // >
+        escape = "&gt;";
+        break;
+      default:
+        continue;
+    }
+
+    if (lastIndex !== index) {
+      html += str.substring(lastIndex, index);
+    }
+
+    lastIndex = index + 1;
+    html += escape;
+  }
+
+  return lastIndex !== index ? html + str.substring(lastIndex, index) : html;
+}
+
+const long = ("lalala" + "<script>alert(1)</script>" + "lalala").repeat(9000);
+const short = "lalala" + "<script>alert(1)</script>" + "lalala";
+const middle =
+  "lalala".repeat(2000) + "<script>alert(1)</script>" + "lalala".repeat(2000);
+const nothing = "lalala".repeat(9999);
+group(`long (${long.length})`, () => {
+  bench("react's escapeHTML", () => reactEscapeHtml(long));
+  bench("bun's escapeHTML", () => bunEscapeHTML(long));
+});
+
+group(`short (${short.length})`, () => {
+  bench("react's escapeHTML", () => reactEscapeHtml(short));
+  bench("bun's escapeHTML", () => bunEscapeHTML(short));
+});
+
+group(`middle (${middle.length})`, () => {
+  bench("react's escapeHTML", () => reactEscapeHtml(middle));
+  bench("bun's escapeHTML", () => bunEscapeHTML(middle));
+});
+
+group(`nothing (${nothing.length})`, () => {
+  bench("react's escapeHTML", () => reactEscapeHtml(nothing));
+  bench("bun's escapeHTML", () => bunEscapeHTML(nothing));
+});
+
+await run();