Add exit api

server/parse_form.ts

@@ -0,0 +1,14 @@
+export async function parse_bool<T extends boolean | null>(
+    value: FormDataEntryValue | null,
+    def: T,
+): Promise<boolean | T> {
+    if (value === null) return def;
+    const nv = typeof value === "string" ? value : await value.text();
+    const v = nv.toLowerCase();
+    const n = parseInt(v);
+    if (isNaN(n)) {
+        return v === "true";
+    } else {
+        return n !== 0;
+    }
+}