svelte/store#readable JavaScript Examples
The following examples show how to use
svelte/store#readable.
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Example #1
Source File: time.js From ethernal with MIT License | 6 votes |
time = readable(new Date(), function start(set) {
const interval = setInterval(() => {
set(new Date());
}, 1000);
return function stop() {
clearInterval(interval);
};
})
Example #2
Source File: keyNavArray.js From untab with MIT License | 6 votes |
/**
* Up and Down Keyboard navigation over an array
* @param {Array} items Items for navigation
* @param {number} initial Initial selected index
* @returns {Readable<number>} returns a readable for the active index
*/
export default function(items, initial = 0) {
let activeIdx = initial;
return readable(activeIdx, (set) => {
const handleKeyNav = (e) => {
switch (e.key) {
case 'ArrowDown':
e.preventDefault();
activeIdx = (activeIdx + 1) % items.length;
break;
case 'ArrowUp':
e.preventDefault();
activeIdx = (items.length + activeIdx - 1) % items.length;
break;
default:
break;
}
set(activeIdx);
};
window.addEventListener('keydown', handleKeyNav);
return () => window.removeEventListener('keydown', handleKeyNav);
});
}
Example #3
Source File: States.js From svelte-simple-datatables with MIT License | 6 votes |
createId(identifier = null)
{
const id = identifier ?? 'ssd-' + (Math.random() + 1).toString(36).substring(5)
const { subscribe } = readable(id)
return {
subscribe,
get: () => { return id }
}
}
Example #4
Source File: store.js From readr-coverages with MIT License | 5 votes |
rawData = readable([], async function start(set) {
const data = await loadData()
set(data)
})
Example #5
Source File: render.js From kit with MIT License | 5 votes |
updated = {
...readable(false),
check: () => false
}