Docs: more examples and docs

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Jonathan Kelley committed 2021-06-24 11:09:38 -04:00
1 parent 100a78f321
commit 7fbaf69cab
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@@ -2,13 +2,7 @@
use dioxus_core::prelude::*;
fn main() {
Some(10)
.map(|f| f * 5)
.map(|f| f / 3)
.map(|f| f * 5)
.map(|f| f / 3);
}
fn main() {}
static Example: FC<()> = |ctx| {
let (name, set_name) = use_state(&ctx, || "...?");
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@@ -5,10 +5,6 @@
//!
//! A full in-depth reference guide is available at: https://www.notion.so/rsx-macro-basics-ef6e367dec124f4784e736d91b0d0b19
//!
//! ## Topics
//!
//!
//!
//! ### Elements
//! - Create any element from its tag
//! - Accept compile-safe attributes for each tag
@@ -46,23 +42,119 @@ fn main() {
dioxus::webview::launch(Example);
}
/// When trying to return "nothing" to Dioxus, you'll need to specify the type parameter or Rust will be sad.
/// This type alias specifices the type for you so you don't need to write "None as Option<()>"
const NONE_ELEMENT: Option<()> = None;
use baller::Baller;
use dioxus_core::prelude::*;
static Example: FC<()> = |ctx| {
ctx.render(rsx! {
static Example: FC<()> = |cx| {
let formatting = "formatting!";
let formatting_tuple = ("a", "b");
let lazy_fmt = format_args!("lazily formatted text");
cx.render(rsx! {
div {
// Elements
div {}
h1 {"Some text"}
h1 {"Some text with {formatting}"}
h1 {"Formatting basic expressions {formatting_tuple.0} and {formatting_tuple.1}"}
h2 {
"Multiple"
"Text"
"Blocks"
"Use comments as separators in html"
}
div {
h1 {"multiple"}
h2 {"nested"}
h3 {"elements"}
}
div {
class: "my special div"
h1 {"Headers and attributes!"}
}
div {
// pass simple rust expressions in
class: lazy_fmt,
id: format_args!("attributes can be passed lazily with std::fmt::Arguments"),
div {
class: {
const WORD: &str = "expressions";
format_args!("Arguments can be passed in through curly braces for complex {}", WORD)
}
}
}
// Expressions can be used in element position too:
{rsx!(p { "More templating!" })}
{html!(<p>"Even HTML templating!!"</p>)}
// Iterators
{(0..10).map(|i| rsx!(li { "{i}" }))}
{{
let data = std::collections::HashMap::<&'static str, &'static str>::new();
// Iterators *should* have keys when you can provide them.
// Keys make your app run faster. Make sure your keys are stable, unique, and predictable.
// Using an "ID" associated with your data is a good idea.
data.into_iter().map(|(k, v)| rsx!(li { key: "{k}" "{v}" }))
}}
// Matching
// Matching will throw a Rust error about "no two closures are the same type"
// To fix this, call "render" method or use the "in" syntax to produce VNodes.
// There's nothing we can do about it, sorry :/ (unless you want *really* unhygenic macros)
{match true {
true => rsx!(in cx, h1 {"Top text"}),
false => cx.render(rsx!( h1 {"Bottom text"}))
}}
// ==============
// Components
// ==============
// Conditional rendering
// Dioxus conditional rendering is based around None/Some. We have no special syntax for conditionals.
// You can convert a bool condition to rsx! with .then and .or
{true.then(|| rsx!(div {}))}
// True conditions need to be rendered (same reasons as matching)
{if true {
rsx!(in cx, h1 {"Top text"})
} else {
cx.render(rsx!( h1 {"Bottom text"}))
}}
// returning "None" is a bit noisy... but rare in practice
{None as Option<()>}
// Use the Dioxus type-alias for less noise
{NONE_ELEMENT}
// can also just use empty fragments
Fragment {}
// Fragments let you insert groups of nodes without a parent.
// This lets you make components that insert elements as siblings without a container.
div {"A"}
Fragment {
div {"B"}
div {"C"}
Fragment {
"D"
Fragment {
"heavily nested fragments is an antipattern"
"they cause Dioxus to do unnecessary work"
"don't use them carelessly if you can help it"
}
}
}
// Components
// Can accept any paths
crate::baller::Baller {}
// Notice how you still get syntax highlighting and IDE support :)
Baller {}
baller::Baller { }
crate::baller::Baller {}
// Can take properties
Taller { a: "asd" }
@@ -71,10 +163,14 @@ static Example: FC<()> = |ctx| {
Taller { a: "asd" }
// Can pass in props directly
Taller { a: "asd" /* ..{props}*/ }
{{
todo!("this neesd to be implemented");
let props = TallerProps {a: "hello"};
rsx!(Taller {a: "a"})
}}
// Can take children
Taller { a: "asd", div {} }
Taller { a: "asd", div {"hello world!"} }
}
})
};
@@ -83,7 +179,8 @@ mod baller {
use super::*;
pub struct BallerProps {}
pub fn Baller(ctx: Context<()>) -> VNode {
/// This component totally balls
pub fn Baller(cx: Context<()>) -> VNode {
todo!()
}
}
@@ -93,6 +190,7 @@ pub struct TallerProps {
a: &'static str,
}
/// This component is taller than most :)
pub fn Taller(ctx: Context<TallerProps>) -> VNode {
let b = true;
todo!()
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@@ -6,22 +6,26 @@
//! Under the hood, the dioxus_webview crate bridges a native Dioxus VirtualDom with a custom prebuit application running
//! in the webview runtime. Custom handlers are provided for the webview instance to consume patches and emit user events
//! into the native VDom instance.
//!
//! Currently, NodeRefs won't work properly, but all other event functionality will.
use dioxus::prelude::*;
fn main() {
dioxus::webview::launch(|ctx| {
let (count, set_count) = use_state(&ctx, || 0);
ctx.render(rsx! {
div {
h1 { "Dioxus Desktop Demo" }
p { "Count is {count}" }
button {
"Click to increment"
onclick: |_| set_count(count + 1)
}
}
})
});
dioxus::webview::launch(App);
}
static App: FC<()> = |cx| {
let (count, set_count) = use_state(&cx, || 0);
cx.render(rsx! {
div {
h1 { "Dioxus Desktop Demo" }
p { "Count is {count}" }
button {
"Click to increment"
onclick: move |_| set_count(count + 1)
}
}
})
};