Jonathan Kelley
4f1d039bad
* clear away prelude on dioxus * clippy * wip - drop prelude from dioxus-html * docs clippy * wip * more fixe * delete all preludes * doc... * better export * merge some imports * fewer global imports * global incremental renderer * fix cargo doc
88 lines
2.5 KiB
Rust
88 lines
2.5 KiB
Rust
use super::*;
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use crate::document;
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use dioxus_core::{use_hook, VNode};
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use dioxus_html as dioxus_elements;
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#[non_exhaustive]
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/// Props for the [`Meta`] component
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#[derive(Clone, Props, PartialEq)]
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pub struct MetaProps {
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pub property: Option<String>,
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pub name: Option<String>,
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pub charset: Option<String>,
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pub http_equiv: Option<String>,
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pub content: Option<String>,
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pub data: Option<String>,
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#[props(extends = meta, extends = GlobalAttributes)]
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pub additional_attributes: Vec<Attribute>,
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}
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impl MetaProps {
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/// Get all the attributes for the meta tag
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pub fn attributes(&self) -> Vec<(&'static str, String)> {
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let mut attributes = Vec::new();
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extend_attributes(&mut attributes, &self.additional_attributes);
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if let Some(property) = &self.property {
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attributes.push(("property", property.clone()));
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}
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if let Some(name) = &self.name {
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attributes.push(("name", name.clone()));
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}
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if let Some(charset) = &self.charset {
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attributes.push(("charset", charset.clone()));
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}
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if let Some(http_equiv) = &self.http_equiv {
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attributes.push(("http-equiv", http_equiv.clone()));
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}
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if let Some(content) = &self.content {
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attributes.push(("content", content.clone()));
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}
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if let Some(data) = &self.data {
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attributes.push(("data", data.clone()));
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}
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attributes
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}
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}
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/// Render a [`<meta>`](https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/meta) tag into the head of the page.
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///
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/// # Example
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///
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/// ```rust, no_run
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/// # use dioxus::prelude::*;
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/// fn RedirectToDioxusHomepageWithoutJS() -> Element {
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/// rsx! {
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/// // You can use the meta component to render a meta tag into the head of the page
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/// // This meta tag will redirect the user to the dioxuslabs homepage in 10 seconds
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/// document::Meta {
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/// http_equiv: "refresh",
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/// content: "10;url=https://dioxuslabs.com",
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/// }
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/// }
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/// }
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/// ```
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///
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/// <div class="warning">
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///
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/// Any updates to the props after the first render will not be reflected in the head.
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///
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/// </div>
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#[component]
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#[doc(alias = "<meta>")]
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pub fn Meta(props: MetaProps) -> Element {
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use_update_warning(&props, "Meta {}");
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use_hook(|| {
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let document = document();
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let insert_link = document.create_head_component();
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if !insert_link {
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return;
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}
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document.create_meta(props);
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});
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VNode::empty()
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}
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