Merge pull request #49 from liziwl/copy

function post_to_wx() {

    var obj = {

        'msgType': "heartbeat",

        'shareTitle': document.title,

        'shareURL': document.URL,

        'scrollTop': document.documentElement.scrollTop,

        'time': (new Date()).valueOf()

    }

    };

    wx.miniProgram.postMessage({

        data: obj

    })

    });

    wx.miniProgram.getEnv(function (res) {

        window.is_miniprogram = res.miniprogram;

    });

}

setInterval(post_to_wx, 1000);

function handleOutURL(url) {

    wx.miniProgram.navigateTo({

        url: '/pages/index/redirect?outURL=' + encodeURIComponent(url),

    });

}

function override_onclick(event) {

    let url = event.currentTarget.getAttribute('href');

    let domain = new URL(url);

    domain = domain.hostname;

    let whitelist = new Set();

    whitelist.add("mirrors.sustech.edu.cn");

    whitelist.add("bus.sustcra.com");

    whitelist.add("sustech.online");

    if (whitelist.has(domain)) {

        return;

    }

    if (window.is_miniprogram) {

        event.preventDefault();

        console.log("小程序环境，拦截外部链接。");

        handleOutURL(url);

        // return false;

    }

    // ------------

    // else {

    //     return true;

    // }

}

window.onload = function () {

    var anchors = document.getElementsByTagName('a');

    for (var i = 0; i < anchors.length; i++) {

        var anchor = anchors[i];

        anchor.onclick = function () {

            override_onclick(event);

        }

    }

}