fis_lib_measure/lib/utils/js_utils.dart

import 'dart:js' as js;

final ifCurEnvIsShell = js.context.hasProperty('FisShellApi');
final _shellApi = ifCurEnvIsShell
    ? js.context['FisShellApi'] as js.JsObject
    : js.JsObject(js.context['Object']);

js.JsObject callShellMethod(String method, List<dynamic>? args) {
  if (ifCurEnvIsShell) {
    return _shellApi.callMethod(method, args ?? []);
  } else {
    return js.JsObject(js.context['Object']);
  }
}

/// JS call Shell 方法，触发 Shell 的切割面计算，会返回一个 Promise 对象回到 JS 上下文，再触发 threejs 内的切割事件
js.JsObject callShellGetClipPlaneData(msg) {
  // debugPrint('webview 触发 Dart_getClipPlaneData :$msg');
  return callShellMethod('getClipPlaneData', [msg]);
}

/// JS call Shell 方法，获取 AI 切割面
js.JsObject callShellGetVesselClipPlanePoints(msg) {
  return callShellMethod('getVesselClipPlanePoints', []);
}

/// JS call Shell 方法，切换测量模式 即转 颈动脉 2D 测量
js.JsObject callShellSwitchMeasureMode(res, imageAdjustPara) =>
    callShellMethod("switchMeasureMode", [res, imageAdjustPara.toJson()]);