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add storage event listener to use_local_storage #11

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merged 1 commit into from
May 3, 2022
Merged

add storage event listener to use_local_storage #11

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1 change: 1 addition & 0 deletions crates/yew-hooks/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@ features = [
"HtmlLinkElement",
"HtmlCollection",
"Blob",
"StorageEvent",
]

[dev-dependencies]
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15 changes: 15 additions & 0 deletions crates/yew-hooks/src/hooks/use_local_storage.rs
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Expand Up @@ -3,8 +3,11 @@ use std::rc::Rc;

use gloo::storage::{LocalStorage, Storage};
use serde::{Deserialize, Serialize};
use web_sys::StorageEvent;
use yew::prelude::*;

use super::use_event_with_window;

/// State handle for the [`use_local_storage`] hook.
pub struct UseLocalStorageHandle<T> {
inner: UseStateHandle<Option<T>>,
Expand Down Expand Up @@ -103,5 +106,17 @@ where
use_state(|| LocalStorage::get(&key).unwrap_or_default());
let key = use_ref(|| key);

{
let key = key.clone();
let inner = inner.clone();
use_event_with_window("storage", move |e: StorageEvent| {
if let Some(k) = e.key() {
if k == *key {
inner.set(LocalStorage::get(&*key).unwrap_or_default())
}
}
});
}

UseLocalStorageHandle { inner, key }
}