Why Use fastn for Your Next Front-end?
Instead of React/Angular or JavaScript, you can use
fastn as the frontend of your next webapp or website.Easy To Learn
fastn is designed to be easy to learn for people who have very little to no prior frontend development experience. Backend developers, designers can easily learn it for building their web projects.
-- import: fastn-community.github.io/bling/quote -- quote.charcoal: Amit Upadhyay label: Creator of FTD avatar: $fastn-assets.files.images.amitu.jpg logo: $fastn-assets.files.images.logo-fifthtry.svg The web has lost some of the exuberance from the early 2000s, and it makes me a little sad.
Lang:
ftd
The language to author content and the language to build the components is the same and one can gradually learn
fastn by first only using ready made components, and then slowly learning to build components.-- component toggle-text: boolean $current: false caption title: -- ftd.text: $toggle-text.title align-self: center text-align: center color if { toggle-text.current }: #D42D42 color: $inherited.colors.cta-primary.text background.solid: $inherited.colors.cta-primary.base $on-click$: $ftd.toggle($a = $toggle-text.current) border-radius.px: 5 -- end: toggle-text
Lang:
ftd
Easy To Author - Great For Content Sites
fastn is optimised for people to author web content using the same language in which the reusable web components are built. If you are using React etc, you would want to use mdx for this. The mdx is a mix of, very easy to author markdown,Semantic Content
Markdown has concepts like headings and paragraphs. Everything in markdown is just headings of different levels. There is no semantic to headings. With
ftd you use components by name, with rich type system etc, eg if you want to talk about your team, in markdown you will say:# Team ## Jack Smith Jack is our lead designer. He joined us on 20th Feb 2022. He loves to cook and swim, and is often found walking his husky. 
Lang:
md
Where as with
fastn you say something like.-- lib.team: -- lib.member: Jack Smith joined-on: 20th Feb 2022 title: Lead Designer mugshot: $assets.files.team.jack.jpg Jack loves to cook and swim, and is often found walking his husky. -- end: lib.team
Lang:
ftd
The information content is captured in fields. The fields have types, so there is no invalid data. There is a separation of markup from content, as in this case of markdown the image will always come after the paragraph, but in the case of
fastn, the image can be placed anywhere, decided by the lib.member component.Data Driven
The data in the
fastn files can be trivially extracted, converted to JSON, whereas in case of markdown you have to write fragile parser to extract the data locked in markdown text blobs.Rust Code To Extract Data
#[derive(serde::Deserialize)] struct Member { name: String, #[rename("joined-on")] joined_on: String, title: Option<String>, mugshot: Option<String>, bio: String, } let doc = fastn::Document::from("some/id", source)?; let members: Vec<Member> = doc.invocations("lib.member")?;
Lang:
rs
Soon we will support json conversion on
fastn CLI as well, fastn json-dump team.ftd --invocations=lib.member will return:json returned by
fastn json-dump[ { "name": "Jack Smith", "joined-on": "20th Feb 2022", "title": "Lead Designer", "mugshot": "/team/jack.jpg", "bio": "Jack loves to cook and swim, and is often found walking his husky." } ]
Lang:
json
Good Design System
fastn comes with integrated design system. Instead of specifying font sizes or colors, you specify typography and color roles to UI elements. The roles are well defined, so within the fastn ecosystem they are well known, and a lot of color scheme and typography packages available, which you can install and you can then change entire typography or color scheme in a few lines of change.
Responsive
fastn has built in supprot for reponsive, every where you specify a length, you can specify a “responsive length”, and fastn will automatically use the right length based on mobile or desktop devices.Getting Help
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