consortium-hmi-webkit 0.2.0

// Copyright 2026 Ethan Wu
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0

window.__BRIDGE__ = (() => {
  let _seq = 0
  const _pending = {}
  return {
    invoke(cmd, payload) {
      return new Promise((resolve) => {
        const id = _seq++
        _pending[id] = resolve
        window.webkit.messageHandlers.bridge.postMessage(
          JSON.stringify({ id, cmd, payload: payload ?? null }),
        )
      })
    },
    _resolve(id, result) {
      const cb = _pending[id]
      if (cb) {
        delete _pending[id]
        cb(result)
      }
    },
  }
})()