init commit

shared/components/src/utils/sanitize-html/browser.ts

@@ -0,0 +1,26 @@
+// Browser ONLY logic. Must have the same exports as server.ts
+// See: docs/isomorphic-imports.md
+
+import { type SanitizeHtmlOptions, sanitizeDocument } from './common';
+
+export { type SanitizeHtmlOptions, DEFAULT_SAFE_TAGS } from './common';
+
+// Shared DOMParser instance (avoids creating a new one for each sanitization)
+let parser = null;
+
+export function sanitizeHtml(
+    input: string,
+    options: SanitizeHtmlOptions = {},
+): string {
+    if (!input) {
+        return input;
+    }
+
+    if (!parser) {
+        parser = new DOMParser();
+    }
+
+    const unsafeDocument = parser.parseFromString(`${input}`, 'text/html');
+    const unsafeNode = unsafeDocument.body;
+    return sanitizeDocument(unsafeDocument, unsafeNode, options);
+}