Method loadReplayModule

packages/sdks/web/src/index.ts:151–189

* Load the replay recorder module. * * - **IIFE build (op1.js)**: `__OPENPANEL_REPLAY_URL__` is replaced at * build time with a CDN URL (e.g. `https://openpanel.dev/op1-replay.js`). * The user can also override it via `sessionReplay.scriptUrl`. * We load the IIFE replay script v

()

   *   bundler resolves and code-splits from the package source.
   */
  private async loadReplayModule(): Promise<typeof import('./replay') | null> {
    try {
      // typeof check avoids a ReferenceError when the constant is not
      // defined (library build). tsup replaces the constant with a
      // string literal only in the IIFE build, so this branch is
      // dead-code-eliminated in the library build.
      if (typeof __OPENPANEL_REPLAY_URL__ !== 'undefined') {
        const scriptEl = _replayScriptRef;
        const url =
          this.options.sessionReplay?.scriptUrl ||
          scriptEl?.src?.replace('.js', '-replay.js') ||
          'https://openpanel.dev/op1-replay.js';

        // Already loaded (e.g. user included the script manually)
        if ((window as any).__openpanel_replay) {
          return (window as any).__openpanel_replay;
        }

        // Load via classic <script> tag — no CORS restrictions
        return new Promise((resolve) => {
          const script = document.createElement('script');
          script.src = url;
          script.onload = () => {
            resolve((window as any).__openpanel_replay ?? null);
          };
          script.onerror = () => {
            console.warn('[OpenPanel] Failed to load replay script from', url);
            resolve(null);
          };
          document.head.appendChild(script);
        });
      }
      // Library / bundler context — resolved by the bundler
      return await import('./replay');
    } catch (e) {
      console.warn('[OpenPanel] Failed to load replay module', e);
      return null;
    }
  }

  private debounce(func: () => void, delay: number) {
    clearTimeout(this.debounceTimer);