Fix rsx_usage example

This commit is contained in:
Jonathan Kelley committed 2024-02-14 14:00:07 -08:00
1 parent cdae3d67f7
commit 72bef223cd
1 file changed
+222 -219
+222 -219
View File
@@ -39,263 +39,266 @@
//! - Allow top-level fragments
fn main() {
todo!()
//launch_desktop(App);
launch(app)
}
// use core::{fmt, str::FromStr};
// use std::fmt::Display;
use core::{fmt, str::FromStr};
use std::fmt::Display;
// use baller::Baller;
// use dioxus::prelude::*;
use baller::Baller;
use dioxus::prelude::*;
// #[component]
// fn App() -> Element {
// let formatting = "formatting!";
// let formatting_tuple = ("a", "b");
// let lazy_fmt = format_args!("lazily formatted text");
// let asd = 123;
// rsx! {
// div {
// // Elements
// div {}
// h1 {"Some text"}
// h1 {"Some text with {formatting}"}
// h1 {"Formatting basic expressions {formatting_tuple.0} and {formatting_tuple.1}"}
// h1 {"Formatting without interpolation " {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"),
// class: "asd",
// class: "{asd}",
// // if statements can be used to conditionally render attributes
// class: if formatting.contains("form") { "{asd}" },
// div {
// class: {
// const WORD: &str = "expressions";
// format_args!("Arguments can be passed in through curly braces for complex {WORD}")
// }
// }
// }
fn app() -> Element {
let formatting = "formatting!";
let formatting_tuple = ("a", "b");
let lazy_fmt = format_args!("lazily formatted text");
let asd = 123;
// // Expressions can be used in element position too:
// {rsx!(p { "More templating!" })},
rsx! {
div {
// Elements
div {}
h1 {"Some text"}
h1 {"Some text with {formatting}"}
h1 {"Formatting basic expressions {formatting_tuple.0} and {formatting_tuple.1}"}
h1 {"Formatting without interpolation " {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"),
class: "asd",
class: "{asd}",
// if statements can be used to conditionally render attributes
class: if formatting.contains("form") { "{asd}" },
div {
class: {
const WORD: &str = "expressions";
format_args!("Arguments can be passed in through curly braces for complex {WORD}")
}
}
}
// // Iterators
// {(0..10).map(|i| rsx!(li { "{i}" }))},
// Expressions can be used in element position too:
{rsx!(p { "More templating!" })},
// // Iterators within expressions
// {
// 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}" }))
// }
// Iterators
{(0..10).map(|i| rsx!(li { "{i}" }))},
// // Matching
// match true {
// true => rsx!( h1 {"Top text"}),
// false => rsx!( h1 {"Bottom text"})
// }
// Iterators within expressions
{
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}" }))
}
// // 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 {}))},
// Matching
match true {
true => rsx!( h1 {"Top text"}),
false => rsx!( h1 {"Bottom text"})
}
// // Alternatively, you can use the "if" syntax - but both branches must be resolve to Element
// if false {
// h1 {"Top text"}
// } else {
// h1 {"Bottom text"}
// }
// 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 {}))},
// // Using optionals for diverging branches
// // Note that since this is wrapped in curlies, it's interpreted as an expression
// {if true {
// Some(rsx!(h1 {"Top text"}))
// } else {
// None
// }}
// Alternatively, you can use the "if" syntax - but both branches must be resolve to Element
if false {
h1 {"Top text"}
} else {
h1 {"Bottom text"}
}
// // returning "None" without a diverging branch is a bit noisy... but rare in practice
// {None as Option<()>},
// Using optionals for diverging branches
// Note that since this is wrapped in curlies, it's interpreted as an expression
{if true {
Some(rsx!(h1 {"Top text"}))
} else {
None
}}
// // can also just use empty fragments
// Fragment {}
// returning "None" without a diverging branch is a bit noisy... but rare in practice
{None as Option<()>},
// // 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 {
// "E"
// "F"
// }
// }
// }
// can also just use empty fragments
Fragment {}
// // Components
// // Can accept any paths
// // Notice how you still get syntax highlighting and IDE support :)
// Baller {}
// baller::Baller {}
// crate::baller::Baller {}
// 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 {
"E"
"F"
}
}
}
// // Can take properties
// Taller { a: "asd" }
// Components
// Can accept any paths
// Notice how you still get syntax highlighting and IDE support :)
Baller {}
baller::Baller {}
crate::baller::Baller {}
// // Can take optional properties
// Taller { a: "asd" }
// Can take properties
Taller { a: "asd" }
// // Can pass in props directly as an expression
// {
// let props = TallerProps {a: "hello", children: None };
// rsx!(Taller { ..props })
// }
// Can take optional properties
Taller { a: "asd" }
// // Spreading can also be overridden manually
// Taller {
// ..TallerProps { a: "ballin!", children: None },
// a: "not ballin!"
// }
// Can pass in props directly as an expression
{
let props = TallerProps {a: "hello", children: None };
rsx!(Taller { ..props })
}
// // Can take children too!
// Taller { a: "asd", div {"hello world!"} }
// Spreading can also be overridden manually
Taller {
..TallerProps { a: "ballin!", children: None },
a: "not ballin!"
}
// // This component's props are defined *inline* with the `inline_props` macro
// WithInline { text: "using functionc all syntax" }
// Can take children too!
Taller { a: "asd", div {"hello world!"} }
// // Components can be generic too
// // This component takes i32 type to give you typed input
// TypedInput::<i32> {}
// This component's props are defined *inline* with the `inline_props` macro
WithInline { text: "using functionc all syntax" }
// // Type inference can be used too
// TypedInput { initial: 10.0 }
// Components can be generic too
// This component takes i32 type to give you typed input
TypedInput::<i32> {}
// // geneircs with the `inline_props` macro
// Label { text: "hello geneirc world!" }
// Label { text: 99.9 }
// Type inference can be used too
TypedInput { initial: 10.0 }
// // Lowercase components work too, as long as they are access using a path
// baller::lowercase_component {}
// geneircs with the `inline_props` macro
Label { text: "hello geneirc world!" }
Label { text: 99.9 }
// // For in-scope lowercase components, use the `self` keyword
// self::lowercase_helper {}
// Lowercase components work too, as long as they are access using a path
baller::lowercase_component {}
// // helper functions
// // Anything that implements IntoVnode can be dropped directly into Rsx
// {helper("hello world!")}
// For in-scope lowercase components, use the `self` keyword
self::lowercase_helper {}
// // Strings can be supplied directly
// {String::from("Hello world!")}
// helper functions
// Anything that implements IntoVnode can be dropped directly into Rsx
{helper("hello world!")}
// // So can format_args
// {format_args!("Hello {}!", "world")}
// Strings can be supplied directly
{String::from("Hello world!")}
// // Or we can shell out to a helper function
// {format_dollars(10, 50)}
// }
// }
// }
// So can format_args
{format_args!("Hello {}!", "world")}
// fn format_dollars(dollars: u32, cents: u32) -> String {
// format!("${dollars}.{cents:02}")
// }
// Or we can shell out to a helper function
{format_dollars(10, 50)}
}
}
}
// fn helper<'a>(cx: &'a ScopeState, text: &'a str) -> Element {
// rsx! {
// p { "{text}" }
// }
// }
fn format_dollars(dollars: u32, cents: u32) -> String {
format!("${dollars}.{cents:02}")
}
// // no_case_check disables PascalCase checking if you *really* want a snake_case component.
// // This will likely be deprecated/removed in a future update that will introduce a more polished linting system,
// // something like Clippy.
// #[component(no_case_check)]
// fn lowercase_helper() -> Element {
// rsx! {
// "asd"
// }
// }
fn helper(text: &str) -> Element {
rsx! {
p { "{text}" }
}
}
// mod baller {
// use super::*;
// no_case_check disables PascalCase checking if you *really* want a snake_case component.
// This will likely be deprecated/removed in a future update that will introduce a more polished linting system,
// something like Clippy.
#[component(no_case_check)]
fn lowercase_helper() -> Element {
rsx! {
"asd"
}
}
// #[component]
// /// This component totally balls
// pub fn Baller() -> Element {
// todo!()
// }
mod baller {
use super::*;
// // no_case_check disables PascalCase checking if you *really* want a snake_case component.
// // This will likely be deprecated/removed in a future update that will introduce a more polished linting system,
// // something like Clippy.
// #[component(no_case_check)]
// pub fn lowercase_component() -> Element {
// rsx! { "look ma, no uppercase" }
// }
// }
#[component]
/// This component totally balls
pub fn Baller() -> Element {
rsx! { "ballin'" }
}
// /// Documention for this component is visible within the rsx macro
// #[component]
// pub fn Taller(
// /// Fields are documented and accessible in rsx!
// a: &'static str,
// children: Element,
// ) -> Element {
// rsx! { {&children} }
// }
// no_case_check disables PascalCase checking if you *really* want a snake_case component.
// This will likely be deprecated/removed in a future update that will introduce a more polished linting system,
// something like Clippy.
#[component(no_case_check)]
pub fn lowercase_component() -> Element {
rsx! { "look ma, no uppercase" }
}
}
// #[derive(Props, PartialEq, Eq)]
// pub struct TypedInputProps<T> {
// #[props(optional, default)]
// initial: Option<T>,
// }
/// Documention for this component is visible within the rsx macro
#[component]
pub fn Taller(
/// Fields are documented and accessible in rsx!
a: &'static str,
children: Element,
) -> Element {
rsx! { {&children} }
}
// #[allow(non_snake_case)]
// pub fn TypedInput<T>(_: Scope<TypedInputProps<T>>) -> Element
// where
// T: FromStr + fmt::Display,
// <T as FromStr>::Err: std::fmt::Display,
// {
// todo!()
// }
#[derive(Props, Clone, PartialEq, Eq)]
pub struct TypedInputProps<T: 'static + Clone + PartialEq> {
#[props(optional, default)]
initial: Option<T>,
}
// #[component]
// fn WithInline(cx: Scope<'a>, text: &'a str) -> Element {
// rsx! {
// p { "{text}" }
// }
// }
#[allow(non_snake_case)]
pub fn TypedInput<T>(props: TypedInputProps<T>) -> Element
where
T: FromStr + fmt::Display + PartialEq + Clone + 'static,
<T as FromStr>::Err: std::fmt::Display,
{
if let Some(props) = props.initial {
return rsx! { "{props}" };
}
// #[component]
// fn Label<T: Clone + PartialEq>(text: T) -> Element
// where
// T: Display,
// {
// rsx! {
// p { "{text}" }
// }
// }
None
}
#[component]
fn WithInline(text: String) -> Element {
rsx! {
p { "{text}" }
}
}
#[component]
fn Label<T: Clone + PartialEq + 'static>(text: T) -> Element
where
T: Display,
{
rsx! {
p { "{text}" }
}
}