cocos-enhance-kit/adapters/platforms/wechat/res/game.js

require('adapter-js-path');
__globalAdapter.init();
require('cocos2d-js-path');
require('physics-js-path');
__globalAdapter.adaptEngine();
require('./ccRequire');

require('./src/settings');
// Introduce Cocos Service here
require('./main');  // TODO: move to common

// Adjust devicePixelRatio
cc.view._maxPixelRatio = 4;

if (cc.sys.platform !== cc.sys.WECHAT_GAME_SUB) {
    // Release Image objects after uploaded gl texture
    cc.macro.CLEANUP_IMAGE_CACHE = true;
}

__globalAdapter.onInited(() => {
    window.boot();
});