Feat: Add prefers-reduced-motion API implementation

Implemented the `use_prefers_reduced_motion` function to create a
reactive interface for detecting the user's reduced motion preference
via the `prefers-reduced-motion` media query.
This commit is contained in:
Hector Candelaria 2024-08-18 17:17:06 -04:00
parent 8324c70742
commit 6d57bdf7f5
15 changed files with 535 additions and 0 deletions

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@ -3,6 +3,12 @@
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased] -
### New Functions 🚀
- `use_prefers_reduced_motion`
## [0.12.0] - 2024-08-14 ## [0.12.0] - 2024-08-14
> Make sure you also update `cargo-leptos` to the latest version if you use that. > Make sure you also update `cargo-leptos` to the latest version if you use that.

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@ -48,6 +48,7 @@
- [use_permission](browser/use_permission.md) - [use_permission](browser/use_permission.md)
- [use_preferred_contrast](browser/use_preferred_contrast.md) - [use_preferred_contrast](browser/use_preferred_contrast.md)
- [use_preferred_dark](browser/use_preferred_dark.md) - [use_preferred_dark](browser/use_preferred_dark.md)
- [use_prefers_reduced_motion](browser/use_prefers_reduced_motion.md)
- [use_service_worker](browser/use_service_worker.md) - [use_service_worker](browser/use_service_worker.md)
- [use_user_media](browser/use_user_media.md) - [use_user_media](browser/use_user_media.md)
- [use_web_notification](browser/use_web_notification.md) - [use_web_notification](browser/use_web_notification.md)

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# use_prefers_reduced_motion
<!-- cmdrun python3 ../extract_doc_comment.py use_prefers_reduced_motion -->

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@ -47,6 +47,7 @@ members = [
"use_not", "use_not",
"use_or", "use_or",
"use_permission", "use_permission",
"use_prefers_reduced_motion",
"use_raf_fn", "use_raf_fn",
"use_resize_observer", "use_resize_observer",
"use_round", "use_round",

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@ -0,0 +1,16 @@
[package]
name = "use_prefers_reduced_motion"
version = "0.1.0"
edition = "2021"
[dependencies]
leptos = { version = "0.6", features = ["nightly", "csr"] }
console_error_panic_hook = "0.1"
console_log = "1"
log = "0.4"
leptos-use = { path = "../..", features = ["docs"] }
web-sys = "0.3"
[dev-dependencies]
wasm-bindgen = "0.2"
wasm-bindgen-test = "0.3.0"

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A simple example for `use_prefers_reduced_motion`.
If you don't have it installed already, install [Trunk](https://trunkrs.dev/) and [Tailwind](https://tailwindcss.com/docs/installation)
as well as the nightly toolchain for Rust and the wasm32-unknown-unknown target:
```bash
cargo install trunk
npm install -D tailwindcss @tailwindcss/forms
rustup toolchain install nightly
rustup target add wasm32-unknown-unknown
```
Then, open two terminals. In the first one, run:
```
npx tailwindcss -i ./input.css -o ./style/output.css --watch
```
In the second one, run:
```bash
trunk serve --open
```

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@ -0,0 +1,2 @@
[build]
public_url = "/demo/"

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@ -0,0 +1,7 @@
<!DOCTYPE html>
<html>
<head>
<link data-trunk rel="css" href="style/output.css">
</head>
<body></body>
</html>

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@ -0,0 +1,3 @@
@tailwind base;
@tailwind components;
@tailwind utilities;

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[toolchain]
channel = "nightly"

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use leptos::*;
use leptos_use::docs::{demo_or_body, BooleanDisplay};
use leptos_use::use_prefers_reduced_motion;
#[component]
fn Demo() -> impl IntoView {
let is_reduced_motion_preferred = use_prefers_reduced_motion();
view! {
<div>
<p>Prefers reduced motions: <BooleanDisplay value=is_reduced_motion_preferred/></p>
<p>
Update reduce motion preference
<a href="https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-reduced-motion#user_preferences">
documentation.
</a>
</p>
</div>
}
}
fn main() {
_ = console_log::init_with_level(log::Level::Debug);
console_error_panic_hook::set_once();
mount_to(demo_or_body(), || {
view! { <Demo/> }
})
}

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@ -0,0 +1,326 @@
[type='text'],input:where(:not([type])),[type='email'],[type='url'],[type='password'],[type='number'],[type='date'],[type='datetime-local'],[type='month'],[type='search'],[type='tel'],[type='time'],[type='week'],[multiple],textarea,select {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
background-color: #fff;
border-color: #6b7280;
border-width: 1px;
border-radius: 0px;
padding-top: 0.5rem;
padding-right: 0.75rem;
padding-bottom: 0.5rem;
padding-left: 0.75rem;
font-size: 1rem;
line-height: 1.5rem;
--tw-shadow: 0 0 #0000;
}
[type='text']:focus, input:where(:not([type])):focus, [type='email']:focus, [type='url']:focus, [type='password']:focus, [type='number']:focus, [type='date']:focus, [type='datetime-local']:focus, [type='month']:focus, [type='search']:focus, [type='tel']:focus, [type='time']:focus, [type='week']:focus, [multiple]:focus, textarea:focus, select:focus {
outline: 2px solid transparent;
outline-offset: 2px;
--tw-ring-inset: var(--tw-empty,/*!*/ /*!*/);
--tw-ring-offset-width: 0px;
--tw-ring-offset-color: #fff;
--tw-ring-color: #2563eb;
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
border-color: #2563eb;
}
input::-moz-placeholder, textarea::-moz-placeholder {
color: #6b7280;
opacity: 1;
}
input::placeholder,textarea::placeholder {
color: #6b7280;
opacity: 1;
}
::-webkit-datetime-edit-fields-wrapper {
padding: 0;
}
::-webkit-date-and-time-value {
min-height: 1.5em;
text-align: inherit;
}
::-webkit-datetime-edit {
display: inline-flex;
}
::-webkit-datetime-edit,::-webkit-datetime-edit-year-field,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute-field,::-webkit-datetime-edit-second-field,::-webkit-datetime-edit-millisecond-field,::-webkit-datetime-edit-meridiem-field {
padding-top: 0;
padding-bottom: 0;
}
select {
background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
background-position: right 0.5rem center;
background-repeat: no-repeat;
background-size: 1.5em 1.5em;
padding-right: 2.5rem;
-webkit-print-color-adjust: exact;
print-color-adjust: exact;
}
[multiple],[size]:where(select:not([size="1"])) {
background-image: initial;
background-position: initial;
background-repeat: unset;
background-size: initial;
padding-right: 0.75rem;
-webkit-print-color-adjust: unset;
print-color-adjust: unset;
}
[type='checkbox'],[type='radio'] {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
padding: 0;
-webkit-print-color-adjust: exact;
print-color-adjust: exact;
display: inline-block;
vertical-align: middle;
background-origin: border-box;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
flex-shrink: 0;
height: 1rem;
width: 1rem;
color: #2563eb;
background-color: #fff;
border-color: #6b7280;
border-width: 1px;
--tw-shadow: 0 0 #0000;
}
[type='checkbox'] {
border-radius: 0px;
}
[type='radio'] {
border-radius: 100%;
}
[type='checkbox']:focus,[type='radio']:focus {
outline: 2px solid transparent;
outline-offset: 2px;
--tw-ring-inset: var(--tw-empty,/*!*/ /*!*/);
--tw-ring-offset-width: 2px;
--tw-ring-offset-color: #fff;
--tw-ring-color: #2563eb;
--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
}
[type='checkbox']:checked,[type='radio']:checked {
border-color: transparent;
background-color: currentColor;
background-size: 100% 100%;
background-position: center;
background-repeat: no-repeat;
}
[type='checkbox']:checked {
background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
}
@media (forced-colors: active) {
[type='checkbox']:checked {
-webkit-appearance: auto;
-moz-appearance: auto;
appearance: auto;
}
}
[type='radio']:checked {
background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3ccircle cx='8' cy='8' r='3'/%3e%3c/svg%3e");
}
@media (forced-colors: active) {
[type='radio']:checked {
-webkit-appearance: auto;
-moz-appearance: auto;
appearance: auto;
}
}
[type='checkbox']:checked:hover,[type='checkbox']:checked:focus,[type='radio']:checked:hover,[type='radio']:checked:focus {
border-color: transparent;
background-color: currentColor;
}
[type='checkbox']:indeterminate {
background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 16 16'%3e%3cpath stroke='white' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 8h8'/%3e%3c/svg%3e");
border-color: transparent;
background-color: currentColor;
background-size: 100% 100%;
background-position: center;
background-repeat: no-repeat;
}
@media (forced-colors: active) {
[type='checkbox']:indeterminate {
-webkit-appearance: auto;
-moz-appearance: auto;
appearance: auto;
}
}
[type='checkbox']:indeterminate:hover,[type='checkbox']:indeterminate:focus {
border-color: transparent;
background-color: currentColor;
}
[type='file'] {
background: unset;
border-color: inherit;
border-width: 0;
border-radius: 0;
padding: 0;
font-size: unset;
line-height: inherit;
}
[type='file']:focus {
outline: 1px solid ButtonText;
outline: 1px auto -webkit-focus-ring-color;
}
*, ::before, ::after {
--tw-border-spacing-x: 0;
--tw-border-spacing-y: 0;
--tw-translate-x: 0;
--tw-translate-y: 0;
--tw-rotate: 0;
--tw-skew-x: 0;
--tw-skew-y: 0;
--tw-scale-x: 1;
--tw-scale-y: 1;
--tw-pan-x: ;
--tw-pan-y: ;
--tw-pinch-zoom: ;
--tw-scroll-snap-strictness: proximity;
--tw-gradient-from-position: ;
--tw-gradient-via-position: ;
--tw-gradient-to-position: ;
--tw-ordinal: ;
--tw-slashed-zero: ;
--tw-numeric-figure: ;
--tw-numeric-spacing: ;
--tw-numeric-fraction: ;
--tw-ring-inset: ;
--tw-ring-offset-width: 0px;
--tw-ring-offset-color: #fff;
--tw-ring-color: rgb(59 130 246 / 0.5);
--tw-ring-offset-shadow: 0 0 #0000;
--tw-ring-shadow: 0 0 #0000;
--tw-shadow: 0 0 #0000;
--tw-shadow-colored: 0 0 #0000;
--tw-blur: ;
--tw-brightness: ;
--tw-contrast: ;
--tw-grayscale: ;
--tw-hue-rotate: ;
--tw-invert: ;
--tw-saturate: ;
--tw-sepia: ;
--tw-drop-shadow: ;
--tw-backdrop-blur: ;
--tw-backdrop-brightness: ;
--tw-backdrop-contrast: ;
--tw-backdrop-grayscale: ;
--tw-backdrop-hue-rotate: ;
--tw-backdrop-invert: ;
--tw-backdrop-opacity: ;
--tw-backdrop-saturate: ;
--tw-backdrop-sepia: ;
--tw-contain-size: ;
--tw-contain-layout: ;
--tw-contain-paint: ;
--tw-contain-style: ;
}
::backdrop {
--tw-border-spacing-x: 0;
--tw-border-spacing-y: 0;
--tw-translate-x: 0;
--tw-translate-y: 0;
--tw-rotate: 0;
--tw-skew-x: 0;
--tw-skew-y: 0;
--tw-scale-x: 1;
--tw-scale-y: 1;
--tw-pan-x: ;
--tw-pan-y: ;
--tw-pinch-zoom: ;
--tw-scroll-snap-strictness: proximity;
--tw-gradient-from-position: ;
--tw-gradient-via-position: ;
--tw-gradient-to-position: ;
--tw-ordinal: ;
--tw-slashed-zero: ;
--tw-numeric-figure: ;
--tw-numeric-spacing: ;
--tw-numeric-fraction: ;
--tw-ring-inset: ;
--tw-ring-offset-width: 0px;
--tw-ring-offset-color: #fff;
--tw-ring-color: rgb(59 130 246 / 0.5);
--tw-ring-offset-shadow: 0 0 #0000;
--tw-ring-shadow: 0 0 #0000;
--tw-shadow: 0 0 #0000;
--tw-shadow-colored: 0 0 #0000;
--tw-blur: ;
--tw-brightness: ;
--tw-contrast: ;
--tw-grayscale: ;
--tw-hue-rotate: ;
--tw-invert: ;
--tw-saturate: ;
--tw-sepia: ;
--tw-drop-shadow: ;
--tw-backdrop-blur: ;
--tw-backdrop-brightness: ;
--tw-backdrop-contrast: ;
--tw-backdrop-grayscale: ;
--tw-backdrop-hue-rotate: ;
--tw-backdrop-invert: ;
--tw-backdrop-opacity: ;
--tw-backdrop-saturate: ;
--tw-backdrop-sepia: ;
--tw-contain-size: ;
--tw-contain-layout: ;
--tw-contain-paint: ;
--tw-contain-style: ;
}
.static {
position: static;
}
.text-\[--brand-color\] {
color: var(--brand-color);
}
.text-green-600 {
--tw-text-opacity: 1;
color: rgb(22 163 74 / var(--tw-text-opacity));
}
.opacity-75 {
opacity: 0.75;
}
@media (prefers-color-scheme: dark) {
.dark\:text-green-500 {
--tw-text-opacity: 1;
color: rgb(34 197 94 / var(--tw-text-opacity));
}
}

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/** @type {import('tailwindcss').Config} */
module.exports = {
content: {
files: ["*.html", "./src/**/*.rs", "../../src/docs/**/*.rs"],
},
theme: {
extend: {},
},
corePlugins: {
preflight: false,
},
plugins: [
require('@tailwindcss/forms'),
],
}

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@ -62,6 +62,7 @@ mod use_mutation_observer;
mod use_permission; mod use_permission;
mod use_preferred_contrast; mod use_preferred_contrast;
mod use_preferred_dark; mod use_preferred_dark;
mod use_prefers_reduced_motion;
mod use_raf_fn; mod use_raf_fn;
mod use_resize_observer; mod use_resize_observer;
mod use_scroll; mod use_scroll;
@ -131,6 +132,7 @@ pub use use_mutation_observer::*;
pub use use_permission::*; pub use use_permission::*;
pub use use_preferred_contrast::*; pub use use_preferred_contrast::*;
pub use use_preferred_dark::*; pub use use_preferred_dark::*;
pub use use_prefers_reduced_motion::*;
pub use use_raf_fn::*; pub use use_raf_fn::*;
pub use use_resize_observer::*; pub use use_resize_observer::*;
pub use use_scroll::*; pub use use_scroll::*;

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use crate::utils::get_header;
use default_struct_builder::DefaultBuilder;
use leptos::*;
use std::rc::Rc;
/// Reactive [reduced motions preference](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-reduced-motion).
///
/// ## Demo
///
/// [Link to Demo](https://github.com/Synphonyte/leptos-use/tree/main/examples/use_prefers_reduced_motion)
///
/// ## Usage
///
/// ```
/// # use leptos::*;
/// # use leptos_use::use_prefers_reduced_motion;
/// #
/// # #[component]
/// # fn Demo() -> impl IntoView {
/// let is_reduced_motion_preferred = use_prefers_reduced_motion();
///
/// view! {
/// <div>
/// <p>Prefers reduced motions: <BooleanDisplay value=is_reduced_motion_preferred/></p>
/// <p>
/// Update reduce motion preference
/// <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-reduced-motion#user_preferences">
/// documentation.
/// </a>
/// </p>
/// </div>
/// }
/// # }
/// ```
///
/// ## Server-Side Rendering
///
/// On the server this will try to read the
/// [`Sec-CH-Prefers-Reduced-Motion` header](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Motion)
/// to indicate the preference for animations to be displayed with reduced motion.
/// Please have a look at the linked documentation above to see browser support
/// as well as potential serve requirements.
///
/// > If you're using `axum` you have to enable the `"axum"` feature in your Cargo.toml.
/// > In case it's `actix-web` enable the feature `"actix"`, for `spin` enable `"spin"`.
///
/// ### Bring your own header
///
/// In case you're neither using Axum, Actix nor Spin, or the default implementation is not to your
/// liking, you can provide your own way of reading the reduced motion header value using the option
/// [`crate::UsePrefersReducedMotionOptions::ssr_motion_header_getter`].
///
/// ## See also
///
/// * [`fn@crate::use_media_query`]
/// * [`fn@crate::use_preferred_contrast`]
/// * [`fn@crate::use_preferred_dark`]
pub fn use_prefers_reduced_motion() -> Signal<bool> {
use_prefers_reduced_motion_with_options(UsePrefersReducedMotionOptions::default())
}
/// Version of [`fn@crate::use_prefers_reduced_motion`] that takes a `UsePrefersReducedMotionOptions`. See [`fn@crate::use_prefers_reduced_motion`] for how to use.
pub fn use_prefers_reduced_motion_with_options(options: UsePrefersReducedMotionOptions) -> Signal<bool> {
#[cfg(not(feature = "ssr"))]
{
let _ = options;
crate::use_media_query("(prefers-reduced-motion: reduce)")
}
#[cfg(feature = "ssr")]
{
Signal::derive(move || (options.ssr_motion_header_getter)() == Some("reduce".to_string()))
}
}
/// Options for [`fn@crate::use_prefers_reduced_motion_with_options`].
#[derive(DefaultBuilder)]
pub struct UsePrefersReducedMotionOptions {
/// Getter function to return the string value of the
/// [`Sec-CH-Prefers-Reduced-Motion`](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Motion)
/// header.
/// When you use one of the features `"axum"`, `"actix"` or `"spin"` there's a valid default
/// implementation provided.
#[allow(dead_code)]
pub(crate) ssr_motion_header_getter: Rc<dyn Fn() -> Option<String>>,
}
impl Default for UsePrefersReducedMotionOptions {
fn default() -> Self {
Self {
ssr_motion_header_getter: Rc::new(move || {
get_header!(
HeaderName::from_static("sec-ch-prefers-reduced-motion"),
use_locale,
ssr_motion_header_getter
)
}),
}
}
}