enhanceApp.js

export default ({
    Vue, // the version of Vue being used in the VuePress app
    options, // the options for the root Vue instance
    router, // the router instance for the app
    siteData // site metadata
}) => {
    Vue.prototype.$getPosts = (maxPosts = 10) => {
        let posts = siteData.pages
            .filter(page =>
                page.frontmatter.layout == 'Post' &&
                page.path.startsWith('/articles/') &&
                !page.frontmatter.hidden
            )
            .sort((a,b) => new Date(a.frontmatter.published) - new Date(b.frontmatter.published))
            .reverse()
        if (maxPosts == -1) return posts
        return posts.slice(0, maxPosts)
    }
    Vue.mixin({
        computed: {
            $title() {
                return `${this.$page.title} | ${this.$siteTitle}`
            }
        }
    })
}

Hi,
Thank you for the information.
I would like to know the basics and power of enhanceApp.js in VuePress.
I would like to add Vue components inside my VuePress pages besides my static content.
My work: https://hemasthoughts.com/dynamic/

It would be great if you share more about enhanceApp.js OR some good links to learn.

Thanks a lot in advance.