vue require.context()动态文件引入

const requireComponent = require.context(‘.‘, false, /\.vue$/);
const install = (Vue) => {
    if (install.installed) return;
    install.installed;
    requireComponent.keys().forEach(fileName => {
        const config = requireComponent(fileName);
        const componentName = config.default.name;
        Vue.component(componentName, config.default || config);
    })
}
if (typeof window !== ‘undefined‘ && window.Vue) {
    install(window.Vue);
}
export default {
    install
}