Function normalizeKey

packages/fresh/src/runtime/server/preact_hooks.ts:206–210

(key: unknown)

const PATCHED = new WeakSet<VNode>();

function normalizeKey(key: unknown): string {
  const value = key ?? "";
  const s = (typeof value !== "string") ? String(value) : value;
  return s.replaceAll(":", "_");
}

const oldDiff = options[OptionsType.DIFF];
options[OptionsType.DIFF] = (vnode) => {