Function initNativeBridge

core/native-bridge.ts:921–1143

(win: WindowCapacitor)

  };

  function initNativeBridge(win: WindowCapacitor) {
    const cap = win.Capacitor || ({} as CapacitorInstance);

    // keep a collection of callbacks for native response data
    const callbacks = new Map();

    const webviewServerUrl = typeof win.WEBVIEW_SERVER_URL === 'string' ? win.WEBVIEW_SERVER_URL : '';
    cap.getServerUrl = () => webviewServerUrl;
    cap.convertFileSrc = (filePath) => convertFileSrcServerUrl(webviewServerUrl, filePath);

    // Counter of callback ids, randomized to avoid
    // any issues during reloads if a call comes back with
    // an existing callback id from an old session
    let callbackIdCount = Math.floor(Math.random() * 134217728);

    let postToNative: (data: CallData) => void | null = null;

    const isNativePlatform = () => true;
    const getPlatform = () => getPlatformId(win);

    cap.getPlatform = getPlatform;
    cap.isPluginAvailable = (name) => Object.prototype.hasOwnProperty.call(cap.Plugins, name);
    cap.isNativePlatform = isNativePlatform;

    // create the postToNative() fn if needed
    if (getPlatformId(win) === 'android') {
      // android platform
      postToNative = (data) => {
        try {
          win.androidBridge.postMessage(JSON.stringify(data));
        } catch (e) {
          win?.console?.error(e);
        }
      };
    } else if (getPlatformId(win) === 'ios') {
      // ios platform
      postToNative = (data) => {
        try {
          data.type = data.type ? data.type : 'message';
          win.webkit.messageHandlers.bridge.postMessage(data);
        } catch (e) {
          win?.console?.error(e);
        }
      };
    }

    cap.handleWindowError = (msg, url, lineNo, columnNo, err) => {
      const str = (msg as string).toLowerCase();

      if (str.indexOf('script error') > -1) {
        // Some IE issue?
      } else {
        const errObj: ErrorCallData = {
          type: 'js.error',
          error: {
            message: msg as string,
            url: url,
            line: lineNo,