Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | 2x 2x 2x 2x 2x 2x 2x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | import { effect, teardown } from '../../../reactivity/effects.js';
/**
* Resize observer singleton.
* One listener per element only!
* https://groups.google.com/a/chromium.org/g/blink-dev/c/z6ienONUb5A/m/F5-VcUZtBAAJ
*/
class ResizeObserverSingleton {
/** */
#listeners = new WeakMap();
/** @type {ResizeObserver | undefined} */
#observer;
/** @type {ResizeObserverOptions} */
#options;
/** @static */
static entries = new WeakMap();
/** @param {ResizeObserverOptions} options */
constructor(options) {
this.#options = options;
}
/**
* @param {Element} element
* @param {(entry: ResizeObserverEntry) => any} listener
*/
observe(element, listener) {
var listeners = this.#listeners.get(element) || new Set();
listeners.add(listener);
this.#listeners.set(element, listeners);
this.#getObserver().observe(element, this.#options);
return () => {
var listeners = this.#listeners.get(element);
listeners.delete(listener);
if (listeners.size === 0) {
this.#listeners.delete(element);
/** @type {ResizeObserver} */ (this.#observer).unobserve(element);
}
};
}
#getObserver() {
return (
this.#observer ??
(this.#observer = new ResizeObserver(
/** @param {any} entries */ (entries) => {
for (var entry of entries) {
ResizeObserverSingleton.entries.set(entry.target, entry);
for (var listener of this.#listeners.get(entry.target) || []) {
listener(entry);
}
}
}
))
);
}
}
var resize_observer_content_box = /* @__PURE__ */ new ResizeObserverSingleton({
box: 'content-box'
});
var resize_observer_border_box = /* @__PURE__ */ new ResizeObserverSingleton({
box: 'border-box'
});
var resize_observer_device_pixel_content_box = /* @__PURE__ */ new ResizeObserverSingleton({
box: 'device-pixel-content-box'
});
/**
* @param {Element} element
* @param {'contentRect' | 'contentBoxSize' | 'borderBoxSize' | 'devicePixelContentBoxSize'} type
* @param {(entry: keyof ResizeObserverEntry) => void} update
*/
export function bind_resize_observer(element, type, update) {
var observer =
type === 'contentRect' || type === 'contentBoxSize'
? resize_observer_content_box
: type === 'borderBoxSize'
? resize_observer_border_box
: resize_observer_device_pixel_content_box;
var unsub = observer.observe(element, /** @param {any} entry */ (entry) => update(entry[type]));
teardown(unsub);
}
/**
* @param {HTMLElement} element
* @param {'clientWidth' | 'clientHeight' | 'offsetWidth' | 'offsetHeight'} type
* @param {(size: number) => void} update
*/
export function bind_element_size(element, type, update) {
var unsub = resize_observer_border_box.observe(element, () => update(element[type]));
effect(() => {
update(element[type]);
return unsub;
});
}
|