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packages/dev-middleware/src/inspector-proxy/CustomMessageHandler.js
54 строки
2 KB
Cedric van Putten
feature(dev-middleware): add custom message handlers to extend CDP capabilities (#43291)
12 мар 2024, 19:58
12 мар 2024, 19:58
3f41fb5
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/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @flow strict-local * @format */ import type {JSONSerializable, Page} from './types'; type ExposedDevice = $ReadOnly<{ appId: string, id: string, name: string, sendMessage: (message: JSONSerializable) => void, }>; type ExposedDebugger = $ReadOnly<{ userAgent: string | null, sendMessage: (message: JSONSerializable) => void, }>; export type CustomMessageHandlerConnection = $ReadOnly<{ page: Page, device: ExposedDevice, debugger: ExposedDebugger, }>; export type CreateCustomMessageHandlerFn = ( connection: CustomMessageHandlerConnection, ) => ?CustomMessageHandler; /** * The device message middleware allows implementers to handle unsupported CDP messages. * It is instantiated per device and may contain state that is specific to that device. * The middleware can also mark messages from the device or debugger as handled, which stops propagating. */ export interface CustomMessageHandler { /** * Handle a CDP message coming from the device. * This is invoked before the message is sent to the debugger. * When returning true, the message is considered handled and will not be sent to the debugger. */ handleDeviceMessage(message: JSONSerializable): true | void; /** * Handle a CDP message coming from the debugger. * This is invoked before the message is sent to the device. * When returning true, the message is considered handled and will not be sent to the device. */ handleDebuggerMessage(message: JSONSerializable): true | void; }