game_cocos_2c/assets/scripts/platform/FaceBook/FBH5Impl.ts

import AppConfig from "@scripts/app/AppConfig";
import { FacebookImpl, IFBLoginRes } from "./FacebookImpl";

export class FBH5Impl extends FacebookImpl {
    private _isLogined = false;

    init() {
        //@ts-ignore
        window.fbAsyncInit = () => {
            //@ts-ignore
            FB.init({
                appId: AppConfig.FBAppID,
                cookie: true,
                xfbml: true,
                version: 'v26.0'
            })

            //@ts-ignore
            FB.AppEvents.logPageView();
            console.log("fb sdk init!!!");

            this.getLoginStatus();
            this.onInited();
        };

        const script = document.createElement('script');
        script.id = 'facebook-jssdk';
        script.async = true;
        script.defer = true;
        script.crossOrigin = 'anonymous';
        script.src = 'https://connect.facebook.net/en_US/sdk.js';

        script.onerror = () => {
            console.log(new Error('Facebook JavaScript SDK 下载失败'));
        };
        document.head.appendChild(script);
        this._isLogined = false;
    }

    private async getLoginStatus() {
        return new Promise<boolean>((resolve, reject) => {
            //@ts-ignore
            FB.getLoginStatus(response => {
                console.log('[Facebook] login status:', response);
                this._isLogined = response?.status === 'connected';
                resolve(response?.status === 'connected');
            });
        })
    }

    protected async onLogin() {
        if (this._isLogined) {
            await this.logOut();
        }

        return new Promise<IFBLoginRes>((resolve, reject) => {
            //@ts-ignore
            FB.login(response => {
                console.log('[Facebook] login response: ', response);
                const res: IFBLoginRes = {
                    accessToken: "",
                    isCancel: false
                }

                if (response.authResponse) {

                    res.accessToken = response.authResponse?.accessToken || "";
                }

                this._isLogined = !!res.accessToken;
                if (!res.accessToken) {
                    res.isCancel = true;
                }

                resolve(res);
            })
        });
    }

    async logOut() {
        if (!this._isLogined) return true;

        return new Promise<boolean>((resolve, reject) => {
            //@ts-ignore
            FB.logout(response => {
                this._isLogined = false;
                console.log('[Facebook] logout: ', response);
                resolve(true);
            })
        })
    }
}