DPlayer/src/option.js

const defaultApiBackend = require('./api.js');

module.exports = (option) => {
    const isMobile = /mobile/i.test(window.navigator.userAgent);
    // compatibility: some mobile browsers don't suppose autoplay
    if (isMobile) {
        option.autoplay = false;
    }

    // default options
    const defaultOption = {
        element: document.getElementsByClassName('dplayer')[0],
        autoplay: false,
        theme: '#b7daff',
        loop: false,
        lang: navigator.language.indexOf('zh') !== -1 ? 'zh' : 'en',
        screenshot: false,
        hotkey: true,
        preload: 'auto',
        apiBackend: defaultApiBackend
    };
    for (let defaultKey in defaultOption) {
        if (defaultOption.hasOwnProperty(defaultKey) && !option.hasOwnProperty(defaultKey)) {
            option[defaultKey] = defaultOption[defaultKey];
        }
    }
    if (option.video && !option.video.hasOwnProperty('type')) {
        option.video.type = 'auto';
    }
    if (option.danmaku && !option.danmaku.hasOwnProperty('user')) {
        option.danmaku.user = 'DIYgod';
    }

    return option;
};