@trezor/connect-web/lib/index.js

High-level javascript interface for Trezor hardware wallet in web environment.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
const tslib_1 = require("tslib");
const factory_1 = require("@trezor/connect/lib/factory");
const dynamic_1 = require("@trezor/connect/lib/impl/dynamic");
const connectSettings_1 = require("./connectSettings");
const core_in_iframe_1 = require("./impl/core-in-iframe");
const core_in_popup_1 = require("./impl/core-in-popup");
const core_in_suite_desktop_1 = require("./impl/core-in-suite-desktop");
const core_in_suite_web_1 = require("./impl/core-in-suite-web");
const IFRAME_ERRORS = ['Init_IframeBlocked', 'Init_IframeTimeout', 'Transport_Missing'];
const impl = new dynamic_1.TrezorConnectDynamic({
  implementations: [{
    type: 'iframe',
    impl: new core_in_iframe_1.CoreInIframe()
  }, {
    type: 'core-in-popup',
    impl: new core_in_popup_1.CoreInPopup()
  }, {
    type: 'core-in-suite-desktop',
    impl: new core_in_suite_desktop_1.CoreInSuiteDesktop()
  }, {
    type: 'core-in-suite-web',
    impl: new core_in_suite_web_1.CoreInSuiteWeb()
  }],
  getInitTarget: settings => {
    if (settings.coreMode === 'iframe') {
      return 'iframe';
    } else if (settings.coreMode === 'popup') {
      return 'core-in-popup';
    } else if (settings.coreMode === 'suite-desktop') {
      return 'core-in-suite-desktop';
    } else if (settings.coreMode === 'suite-web') {
      return 'core-in-suite-web';
    } else {
      if (settings.coreMode && settings.coreMode !== 'auto') {
        console.warn(`Invalid coreMode: ${settings.coreMode}`);
      }
      return 'iframe';
    }
  },
  handleBeforeCall: async () => {
    const isCoreModeDesktop = impl.lastSettings?.coreMode === 'suite-desktop';
    const isCoreModeAuto = impl.lastSettings?.coreMode === 'auto' || impl.lastSettings?.coreMode === undefined;
    if (isCoreModeDesktop || isCoreModeAuto) {
      await impl.switchTarget('core-in-suite-desktop');
    }
  },
  handleErrorFallback: async errorCode => {
    const env = (0, connectSettings_1.getEnv)();
    const isCoreModeDisabled = impl.lastSettings?.popup === false || env === 'webextension';
    const isCoreModeAuto = impl.lastSettings?.coreMode === 'auto' || impl.lastSettings?.coreMode === undefined;
    if (impl.getTargetType() === 'core-in-suite-desktop' && (errorCode === 'Desktop_ConnectionMissing' || errorCode === 'Method_Unsupported')) {
      await impl.switchTarget('iframe');
      return true;
    }
    if (!isCoreModeDisabled && isCoreModeAuto && IFRAME_ERRORS.includes(errorCode)) {
      const webUsbUnavailableInBrowser = !navigator?.usb;
      const webUsbDisabledInSettings = impl.lastSettings?.transports?.includes('WebUsbTransport') === false;
      if (errorCode === 'Transport_Missing' && (webUsbUnavailableInBrowser || webUsbDisabledInSettings)) {
        return false;
      }
      await impl.switchTarget('core-in-popup');
      return true;
    }
    return false;
  }
});
const TrezorConnect = (0, factory_1.factory)({
  eventEmitter: impl.eventEmitter,
  init: impl.init.bind(impl),
  call: impl.call.bind(impl),
  setTransports: impl.setTransports.bind(impl),
  manifest: impl.manifest.bind(impl),
  uiResponse: impl.uiResponse.bind(impl),
  cancel: impl.cancel.bind(impl),
  dispose: impl.dispose.bind(impl)
}, {
  renderWebUSBButton: impl.getTarget().renderWebUSBButton.bind(impl),
  disableWebUSB: impl.getTarget().disableWebUSB.bind(impl),
  requestWebUSBDevice: impl.getTarget().requestWebUSBDevice.bind(impl)
});
exports.default = TrezorConnect;
tslib_1.__exportStar(require("@trezor/connect/lib/exports"), exports);
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