gxb-js-sdk/index.js

GXB JS-SDK is a web development kit based on BlockCity for web developers.

let methods = {};
let methodID = 0;

window.nativeCallback = function (mId) {
    var args = Array.prototype.slice.call(arguments, 1);
    typeof methods[mId] === 'function' && methods[mId].apply(this, args);
};

export default {
    callBridge: function (schema, method, params = {}, callback) {
        var mId = methodID++;
        var url_params = '';
        methods[mId] = function () {
            typeof callback === 'function' && callback.apply(this, arguments);
            if (methods[mId]) {
                try {
                    delete methods[mId];
                } catch (err) {
                    methods[mId] = null;
                }
            }
        };
        params._mId = mId;
        for (var k in params) {
            url_params += ((url_params.indexOf('=') != -1) ? '&' : '') + k + '=' + encodeURI(params[k]);
        }
        var url = schema + '://' + method + '?' + url_params;
        var iFrame;
        iFrame = document.createElement('iframe');
        iFrame.setAttribute('src', url);
        iFrame.setAttribute('style', 'display:none;');
        iFrame.setAttribute('height', '0px');
        iFrame.setAttribute('width', '0px');
        iFrame.setAttribute('frameborder', '0');
        document.body.appendChild(iFrame);
        iFrame.parentNode.removeChild(iFrame);
        iFrame = null;
    },
    callNative: function (method, params, callback) {
        this.callBridge('native', method, params, callback);
    },
    exit: function () {
        this.callNative('exit');
    },
    openExplorer: function (url) {
        this.callNative('openurl', {url: url});
    },
    qrScan: function (callback) {
        if (!callback) {
            callback = function () {
            };
        }
        this.callNative('qrscan', {
        }, function (result) {
            callback && callback(result);
        });
    },
    shareConfig: function (config = {}, callback) {
        if (!callback) {
            callback = function () {
            };
        }
        this.callNative('shareConfig', {
            title: config.title || '',
            shareDes: config.shareDes || '',
            url: config.url || '',
            thumbUrl: config.thumbUrl || ''
        }, function (result) {
            callback && callback(result);
        });
    }
};