Initial commit

src/transport/url.ts

@@ -0,0 +1,23 @@
+/**
+ * URL utility helpers for encoding and query string construction.
+ */
+
+/** URL-encodes a single value for use in path/query segments. */
+export function encodeUrl(value: string): string {
+  return encodeURIComponent(value);
+}
+
+/**
+ * Builds a query string from an array of key-value pairs.
+ * Null/undefined/empty values are skipped.
+ * Returns an empty string if no valid params, or a leading `?` followed by the query.
+ */
+export function buildQuery(params: Array<[string, string | null | undefined]>): string {
+  const parts: string[] = [];
+  for (const [key, value] of params) {
+    if (value != null && value !== '') {
+      parts.push(`${encodeURIComponent(key)}=${encodeURIComponent(value)}`);
+    }
+  }
+  return parts.length === 0 ? '' : `?${parts.join('&')}`;
+}