mirror of
https://github.com/adoyle0/leptos-use.git
synced 2025-01-23 09:09:21 -05:00
added use_css_var
This commit is contained in:
Maccesch
parent
dd5cdfdcfa
commit
2e02df3cfc
18 changed files with 665 additions and 0 deletions
1
.idea/leptos-use.iml
generated
1
.idea/leptos-use.iml
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@ -33,6 +33,7 @@
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<sourceFolder url="file://$MODULE_DIR$/examples/use_abs/src" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/examples/use_abs/src" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/examples/use_interval_fn/src" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/examples/use_interval_fn/src" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/examples/use_interval/src" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/examples/use_interval/src" isTestSource="false" />
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<sourceFolder url="file://$MODULE_DIR$/examples/use_css_var/src" isTestSource="false" />
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<excludeFolder url="file://$MODULE_DIR$/examples/use_event_listener/target" />
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<excludeFolder url="file://$MODULE_DIR$/examples/use_event_listener/target" />
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<excludeFolder url="file://$MODULE_DIR$/target" />
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<excludeFolder url="file://$MODULE_DIR$/target" />
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<excludeFolder url="file://$MODULE_DIR$/docs/book/book" />
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<excludeFolder url="file://$MODULE_DIR$/docs/book/book" />
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@ -3,6 +3,12 @@
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [Unreleased]
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### New Functions 🚀
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- `use_css_var`
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## [0.3.1] - 2023-06-15
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## [0.3.1] - 2023-06-15
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### New Functions 🚀
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### New Functions 🚀
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@ -32,6 +32,7 @@ features = [
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"CustomEventInit",
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"CustomEventInit",
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"DomRectReadOnly",
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"DomRectReadOnly",
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"Element",
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"Element",
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"HtmlElement",
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"HtmlLinkElement",
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"HtmlLinkElement",
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"IntersectionObserver",
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"IntersectionObserver",
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"IntersectionObserverInit",
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"IntersectionObserverInit",
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@ -22,6 +22,7 @@
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# Browser
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# Browser
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- [use_breakpoints](browser/use_breakpoints.md)
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- [use_breakpoints](browser/use_breakpoints.md)
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- [use_css_var](browser/use_css_var.md)
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- [use_event_listener](browser/use_event_listener.md)
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- [use_event_listener](browser/use_event_listener.md)
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- [use_favicon](browser/use_favicon.md)
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- [use_favicon](browser/use_favicon.md)
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- [use_media_query](browser/use_media_query.md)
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- [use_media_query](browser/use_media_query.md)
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3
docs/book/src/browser/use_css_var.md
Normal file
3
docs/book/src/browser/use_css_var.md
Normal file
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@ -0,0 +1,3 @@
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# use_css_var
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<!-- cmdrun python3 ../extract_doc_comment.py use_css_var -->
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@ -5,6 +5,7 @@ members = [
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"use_abs",
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"use_abs",
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"use_breakpoints",
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"use_breakpoints",
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"use_ceil",
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"use_ceil",
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"use_css_var",
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"use_debounce_fn",
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"use_debounce_fn",
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"use_element_size",
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"use_element_size",
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"use_element_visibility",
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"use_element_visibility",
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16
examples/use_css_var/Cargo.toml
Normal file
16
examples/use_css_var/Cargo.toml
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@ -0,0 +1,16 @@
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[package]
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name = "use_css_var"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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leptos = "0.3"
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console_error_panic_hook = "0.1"
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console_log = "1"
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log = "0.4"
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leptos-use = { path = "../..", features = ["docs"] }
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web-sys = "0.3"
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[dev-dependencies]
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wasm-bindgen = "0.2"
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wasm-bindgen-test = "0.3.0"
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23
examples/use_css_var/README.md
Normal file
23
examples/use_css_var/README.md
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@ -0,0 +1,23 @@
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A simple example for `use_css_var`.
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If you don't have it installed already, install [Trunk](https://trunkrs.dev/) and [Tailwind](https://tailwindcss.com/docs/installation)
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as well as the nightly toolchain for Rust and the wasm32-unknown-unknown target:
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```bash
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cargo install trunk
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npm install -D tailwindcss @tailwindcss/forms
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rustup toolchain install nightly
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rustup target add wasm32-unknown-unknown
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```
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Then, open two terminals. In the first one, run:
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```
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npx tailwindcss -i ./input.css -o ./style/output.css --watch
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```
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In the second one, run:
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```bash
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trunk serve --open
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```
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2
examples/use_css_var/Trunk.toml
Normal file
2
examples/use_css_var/Trunk.toml
Normal file
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@ -0,0 +1,2 @@
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[build]
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public_url = "/demo/"
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7
examples/use_css_var/index.html
Normal file
7
examples/use_css_var/index.html
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@ -0,0 +1,7 @@
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<!DOCTYPE html>
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<html>
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<head>
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<link data-trunk rel="css" href="style/output.css">
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</head>
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<body></body>
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</html>
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3
examples/use_css_var/input.css
Normal file
3
examples/use_css_var/input.css
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@ -0,0 +1,3 @@
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@tailwind base;
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@tailwind components;
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@tailwind utilities;
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2
examples/use_css_var/rust-toolchain.toml
Normal file
2
examples/use_css_var/rust-toolchain.toml
Normal file
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@ -0,0 +1,2 @@
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[toolchain]
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channel = "nightly"
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59
examples/use_css_var/src/main.rs
Normal file
59
examples/use_css_var/src/main.rs
Normal file
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@ -0,0 +1,59 @@
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use leptos::*;
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use leptos_use::docs::demo_or_body;
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use leptos_use::{use_css_var_with_options, UseCssVarOptions};
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#[component]
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fn Demo(cx: Scope) -> impl IntoView {
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let el = create_node_ref(cx);
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let (color, set_color) =
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use_css_var_with_options(cx, "--color", UseCssVarOptions::default().target(el));
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let switch_color = move |_| {
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if color() == "#df8543" {
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set_color("#7fa998".to_string());
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} else {
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set_color("#df8543".to_string());
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}
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};
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let elv = create_node_ref(cx);
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let (key, set_key) = create_signal(cx, "--color".to_string());
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let (color_val, _) = use_css_var_with_options(cx, key, UseCssVarOptions::default().target(elv));
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let change_var = move |_| {
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if key() == "--color" {
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set_key("--color-one".to_string());
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} else {
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set_key("--color".to_string());
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}
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};
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let style = move || {
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format!(
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"--color: #7fa998; --color-one: #df8543; color: {}",
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color_val()
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)
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};
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view! { cx,
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<div>
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<div node_ref=el style="--color: #7fa998; color: var(--color)">
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"Sample text, " {color}
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</div>
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<button on:click=switch_color>"Change color value"</button>
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</div>
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<div>
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<div node_ref=elv style=style class="mt-4">
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"Sample text, " {key} ": " {color_val}
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</div>
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<button on:click=change_var>"Change color variable"</button>
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</div>
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}
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}
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fn main() {
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_ = console_log::init_with_level(log::Level::Debug);
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console_error_panic_hook::set_once();
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mount_to(demo_or_body(), |cx| {
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view! { cx, <Demo /> }
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})
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}
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293
examples/use_css_var/style/output.css
Normal file
293
examples/use_css_var/style/output.css
Normal file
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@ -0,0 +1,293 @@
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[type='text'],[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 {
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-webkit-appearance: none;
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-moz-appearance: none;
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appearance: none;
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background-color: #fff;
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border-color: #6b7280;
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border-width: 1px;
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border-radius: 0px;
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padding-top: 0.5rem;
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padding-right: 0.75rem;
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padding-bottom: 0.5rem;
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padding-left: 0.75rem;
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font-size: 1rem;
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line-height: 1.5rem;
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--tw-shadow: 0 0 #0000;
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}
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[type='text']: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 {
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outline: 2px solid transparent;
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outline-offset: 2px;
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--tw-ring-inset: var(--tw-empty,/*!*/ /*!*/);
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--tw-ring-offset-width: 0px;
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--tw-ring-offset-color: #fff;
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--tw-ring-color: #2563eb;
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--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
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--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color);
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box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
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border-color: #2563eb;
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}
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input::-moz-placeholder, textarea::-moz-placeholder {
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color: #6b7280;
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opacity: 1;
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}
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input::placeholder,textarea::placeholder {
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color: #6b7280;
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opacity: 1;
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}
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::-webkit-datetime-edit-fields-wrapper {
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padding: 0;
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}
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::-webkit-date-and-time-value {
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min-height: 1.5em;
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}
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::-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 {
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padding-top: 0;
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padding-bottom: 0;
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}
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select {
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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");
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background-position: right 0.5rem center;
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background-repeat: no-repeat;
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background-size: 1.5em 1.5em;
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padding-right: 2.5rem;
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-webkit-print-color-adjust: exact;
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print-color-adjust: exact;
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}
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[multiple] {
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background-image: initial;
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background-position: initial;
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background-repeat: unset;
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background-size: initial;
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padding-right: 0.75rem;
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-webkit-print-color-adjust: unset;
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print-color-adjust: unset;
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}
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|
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[type='checkbox'],[type='radio'] {
|
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|
-webkit-appearance: none;
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|
-moz-appearance: none;
|
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|
appearance: none;
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padding: 0;
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|
-webkit-print-color-adjust: exact;
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print-color-adjust: exact;
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display: inline-block;
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vertical-align: middle;
|
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background-origin: border-box;
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-webkit-user-select: none;
|
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-moz-user-select: none;
|
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user-select: none;
|
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flex-shrink: 0;
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height: 1rem;
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width: 1rem;
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|
color: #2563eb;
|
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|
background-color: #fff;
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|
border-color: #6b7280;
|
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border-width: 1px;
|
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--tw-shadow: 0 0 #0000;
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|
}
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|
|
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|
[type='checkbox'] {
|
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|
border-radius: 0px;
|
||||||
|
}
|
||||||
|
|
||||||
|
[type='radio'] {
|
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|
border-radius: 100%;
|
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|
}
|
||||||
|
|
||||||
|
[type='checkbox']:focus,[type='radio']:focus {
|
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|
outline: 2px solid transparent;
|
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|
outline-offset: 2px;
|
||||||
|
--tw-ring-inset: var(--tw-empty,/*!*/ /*!*/);
|
||||||
|
--tw-ring-offset-width: 2px;
|
||||||
|
--tw-ring-offset-color: #fff;
|
||||||
|
--tw-ring-color: #2563eb;
|
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--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
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--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);
|
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|
box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
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|
}
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|
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[type='checkbox']:checked,[type='radio']:checked {
|
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|
border-color: transparent;
|
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|
background-color: currentColor;
|
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|
background-size: 100% 100%;
|
||||||
|
background-position: center;
|
||||||
|
background-repeat: no-repeat;
|
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|
}
|
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|
|
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|
[type='checkbox']:checked {
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|
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");
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}
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|
|
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|
[type='radio']:checked {
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|
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");
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|
}
|
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|
|
||||||
|
[type='checkbox']:checked:hover,[type='checkbox']:checked:focus,[type='radio']:checked:hover,[type='radio']:checked:focus {
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||||||
|
border-color: transparent;
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|
background-color: currentColor;
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||||||
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}
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||||||
|
|
||||||
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[type='checkbox']:indeterminate {
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||||||
|
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;
|
||||||
|
}
|
||||||
|
|
||||||
|
[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: ;
|
||||||
|
}
|
||||||
|
|
||||||
|
::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: ;
|
||||||
|
}
|
||||||
|
|
||||||
|
.static {
|
||||||
|
position: static;
|
||||||
|
}
|
||||||
|
|
||||||
|
.mt-4 {
|
||||||
|
margin-top: 1rem;
|
||||||
|
}
|
||||||
|
|
||||||
|
.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));
|
||||||
|
}
|
||||||
|
}
|
||||||
15
examples/use_css_var/tailwind.config.js
Normal file
15
examples/use_css_var/tailwind.config.js
Normal file
|
|
@ -0,0 +1,15 @@
|
||||||
|
/** @type {import('tailwindcss').Config} */
|
||||||
|
module.exports = {
|
||||||
|
content: {
|
||||||
|
files: ["*.html", "./src/**/*.rs", "../../src/docs/**/*.rs"],
|
||||||
|
},
|
||||||
|
theme: {
|
||||||
|
extend: {},
|
||||||
|
},
|
||||||
|
corePlugins: {
|
||||||
|
preflight: false,
|
||||||
|
},
|
||||||
|
plugins: [
|
||||||
|
require('@tailwindcss/forms'),
|
||||||
|
],
|
||||||
|
}
|
||||||
|
|
@ -42,6 +42,7 @@ mod watch_debounced;
|
||||||
mod watch_pausable;
|
mod watch_pausable;
|
||||||
mod watch_throttled;
|
mod watch_throttled;
|
||||||
mod whenever;
|
mod whenever;
|
||||||
|
mod use_css_var;
|
||||||
|
|
||||||
pub use on_click_outside::*;
|
pub use on_click_outside::*;
|
||||||
pub use use_breakpoints::*;
|
pub use use_breakpoints::*;
|
||||||
|
|
@ -65,3 +66,4 @@ pub use watch_debounced::*;
|
||||||
pub use watch_pausable::*;
|
pub use watch_pausable::*;
|
||||||
pub use watch_throttled::*;
|
pub use watch_throttled::*;
|
||||||
pub use whenever::*;
|
pub use whenever::*;
|
||||||
|
pub use use_css_var::*;
|
||||||
199
src/use_css_var.rs
Normal file
199
src/use_css_var.rs
Normal file
|
|
@ -0,0 +1,199 @@
|
||||||
|
use crate::core::ElementMaybeSignal;
|
||||||
|
use crate::{use_mutation_observer_with_options, watch, watch_with_options, WatchOptions};
|
||||||
|
use default_struct_builder::DefaultBuilder;
|
||||||
|
use leptos::*;
|
||||||
|
use std::marker::PhantomData;
|
||||||
|
use std::time::Duration;
|
||||||
|
use wasm_bindgen::{JsCast, JsValue};
|
||||||
|
|
||||||
|
/// Manipulate CSS variables.
|
||||||
|
///
|
||||||
|
/// ## Demo
|
||||||
|
///
|
||||||
|
/// [Link to Demo](https://github.com/Synphonyte/leptos-use/tree/main/examples/use_css_var)
|
||||||
|
///
|
||||||
|
/// ## Usage
|
||||||
|
///
|
||||||
|
/// ```
|
||||||
|
/// # use leptos::*;
|
||||||
|
/// # use leptos_use::use_css_var;
|
||||||
|
/// #
|
||||||
|
/// # #[component]
|
||||||
|
/// # fn Demo(cx: Scope) -> impl IntoView {
|
||||||
|
/// let (color, set_color) = use_css_var(cx, "--color");
|
||||||
|
///
|
||||||
|
/// set_color("red".to_string());
|
||||||
|
/// #
|
||||||
|
/// # view! { cx, }
|
||||||
|
/// # }
|
||||||
|
/// ```
|
||||||
|
///
|
||||||
|
/// The variable name itself can be a `Signal`.
|
||||||
|
///
|
||||||
|
/// ```
|
||||||
|
/// # use leptos::*;
|
||||||
|
/// # use leptos_use::use_css_var;
|
||||||
|
/// #
|
||||||
|
/// # #[component]
|
||||||
|
/// # fn Demo(cx: Scope) -> impl IntoView {
|
||||||
|
/// let (key, set_key) = create_signal(cx, "--color".to_string());
|
||||||
|
/// let (color, set_color) = use_css_var(cx, key);
|
||||||
|
/// #
|
||||||
|
/// # view! { cx, }
|
||||||
|
/// # }
|
||||||
|
/// ```
|
||||||
|
///
|
||||||
|
/// You can specify the element that the variable is applied to as well as an initial value in case
|
||||||
|
/// the variable is not set yet. The option to listen for changes to the variable is also available.
|
||||||
|
///
|
||||||
|
/// ```
|
||||||
|
/// # use leptos::*;
|
||||||
|
/// # use leptos_use::{use_css_var_with_options, UseCssVarOptions};
|
||||||
|
/// #
|
||||||
|
/// # #[component]
|
||||||
|
/// # fn Demo(cx: Scope) -> impl IntoView {
|
||||||
|
/// let el = create_node_ref(cx);
|
||||||
|
///
|
||||||
|
/// let (color, set_color) = use_css_var_with_options(
|
||||||
|
/// cx,
|
||||||
|
/// "--color",
|
||||||
|
/// UseCssVarOptions::default()
|
||||||
|
/// .target(el)
|
||||||
|
/// .initial_value("#eee")
|
||||||
|
/// .observe(true),
|
||||||
|
/// );
|
||||||
|
///
|
||||||
|
/// view! { cx,
|
||||||
|
/// <div node_ref=el>"..."</div>
|
||||||
|
/// }
|
||||||
|
/// # }
|
||||||
|
/// ```
|
||||||
|
|
||||||
|
pub fn use_css_var(
|
||||||
|
cx: Scope,
|
||||||
|
prop: impl Into<MaybeSignal<String>>,
|
||||||
|
) -> (ReadSignal<String>, WriteSignal<String>) {
|
||||||
|
use_css_var_with_options(cx, prop, UseCssVarOptions::default())
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Version of [`use_css_var`] that takes a `UseCssVarOptions`. See [`use_css_var`] for how to use.
|
||||||
|
pub fn use_css_var_with_options<P, El, T>(
|
||||||
|
cx: Scope,
|
||||||
|
prop: P,
|
||||||
|
options: UseCssVarOptions<El, T>,
|
||||||
|
) -> (ReadSignal<String>, WriteSignal<String>)
|
||||||
|
where
|
||||||
|
P: Into<MaybeSignal<String>>,
|
||||||
|
El: Clone,
|
||||||
|
(Scope, El): Into<ElementMaybeSignal<T, web_sys::Element>>,
|
||||||
|
T: Into<web_sys::Element> + Clone + 'static,
|
||||||
|
{
|
||||||
|
let UseCssVarOptions {
|
||||||
|
target,
|
||||||
|
initial_value,
|
||||||
|
observe,
|
||||||
|
..
|
||||||
|
} = options;
|
||||||
|
|
||||||
|
let (variable, set_variable) = create_signal(cx, initial_value.clone());
|
||||||
|
|
||||||
|
let el_signal = (cx, target).into();
|
||||||
|
let prop = prop.into();
|
||||||
|
|
||||||
|
let update_css_var = {
|
||||||
|
let prop = prop.clone();
|
||||||
|
let el_signal = el_signal.clone();
|
||||||
|
|
||||||
|
move || {
|
||||||
|
let key = prop.get_untracked();
|
||||||
|
|
||||||
|
if let Some(el) = el_signal.get_untracked() {
|
||||||
|
if let Ok(Some(style)) = window().get_computed_style(&el.into()) {
|
||||||
|
if let Ok(value) = style.get_property_value(&key) {
|
||||||
|
set_variable.update(|var| *var = value.trim().to_string());
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
let initial_value = initial_value.clone();
|
||||||
|
set_variable.update(|var| *var = initial_value);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
if observe {
|
||||||
|
let mut init = web_sys::MutationObserverInit::new();
|
||||||
|
let update_css_var = update_css_var.clone();
|
||||||
|
let el_signal = el_signal.clone();
|
||||||
|
|
||||||
|
init.attribute_filter(&js_sys::Array::from_iter(
|
||||||
|
vec![JsValue::from_str("style")].into_iter(),
|
||||||
|
));
|
||||||
|
use_mutation_observer_with_options::<ElementMaybeSignal<T, web_sys::Element>, T, _>(
|
||||||
|
cx,
|
||||||
|
el_signal,
|
||||||
|
move |_, _| update_css_var(),
|
||||||
|
init,
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
// To get around style attributes on node_refs that are not applied after the first render
|
||||||
|
set_timeout(update_css_var.clone(), Duration::ZERO);
|
||||||
|
|
||||||
|
{
|
||||||
|
let el_signal = el_signal.clone();
|
||||||
|
let prop = prop.clone();
|
||||||
|
|
||||||
|
let _ = watch_with_options(
|
||||||
|
cx,
|
||||||
|
move || (el_signal.get(), prop.get()),
|
||||||
|
move |_, _, _| update_css_var(),
|
||||||
|
WatchOptions::default().immediate(true),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
let _ = watch(cx, variable, move |val, _, _| {
|
||||||
|
if let Some(el) = el_signal.get() {
|
||||||
|
let el = el.into().unchecked_into::<web_sys::HtmlElement>();
|
||||||
|
let style = el.style();
|
||||||
|
let _ = style.set_property(&prop.get_untracked(), val);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
(variable, set_variable)
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Options for [`use_css_var_with_options`].
|
||||||
|
#[derive(DefaultBuilder)]
|
||||||
|
pub struct UseCssVarOptions<El, T>
|
||||||
|
where
|
||||||
|
El: Clone,
|
||||||
|
(Scope, El): Into<ElementMaybeSignal<T, web_sys::Element>>,
|
||||||
|
T: Into<web_sys::Element> + Clone + 'static,
|
||||||
|
{
|
||||||
|
/// The target element to read the variable from and set the variable on.
|
||||||
|
/// Defaults to the `document.documentElement`.
|
||||||
|
target: El,
|
||||||
|
|
||||||
|
/// The initial value of the variable before it is read. Also the default value
|
||||||
|
/// if the variable isn't defined on the target. Defaults to "".
|
||||||
|
#[builder(into)]
|
||||||
|
initial_value: String,
|
||||||
|
|
||||||
|
/// If `true` use a `MutationObserver` to monitor variable changes. Defaults to `false`.
|
||||||
|
observe: bool,
|
||||||
|
|
||||||
|
#[builder(skip)]
|
||||||
|
_marker: PhantomData<T>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for UseCssVarOptions<web_sys::Element, web_sys::Element> {
|
||||||
|
fn default() -> Self {
|
||||||
|
Self {
|
||||||
|
target: document().document_element().expect("No document element"),
|
||||||
|
initial_value: "".into(),
|
||||||
|
observe: false,
|
||||||
|
_marker: PhantomData,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -136,3 +136,34 @@ impl<Arg> Debug for Box<dyn CloneableFnMutWithArg<Arg>> {
|
||||||
)
|
)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
pub trait CloneableFnMut: FnMut() {
|
||||||
|
fn clone_box(&self) -> Box<dyn CloneableFnMut>;
|
||||||
|
}
|
||||||
|
|
||||||
|
impl<F> CloneableFnMut for F
|
||||||
|
where
|
||||||
|
F: FnMut() + Clone + 'static,
|
||||||
|
{
|
||||||
|
fn clone_box(&self) -> Box<dyn CloneableFnMut> {
|
||||||
|
Box::new(self.clone())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Clone for Box<dyn CloneableFnMut> {
|
||||||
|
fn clone(&self) -> Self {
|
||||||
|
(**self).clone_box()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Default for Box<dyn CloneableFnMut> {
|
||||||
|
fn default() -> Self {
|
||||||
|
Box::new(|| {})
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Debug for Box<dyn CloneableFnMut> {
|
||||||
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||||
|
write!(f, "Box<dyn CloneableFnMut>",)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue