@zhsz/cool-design-dv
Version:
38 lines (37 loc) • 1.12 kB
JavaScript
;
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const lodashEs = require("lodash-es");
const isServer = typeof window === "undefined";
const resizeHandler = function(entries) {
for (const entry of entries) {
const listeners = entry.target.__resizeListeners__ || [];
if (listeners.length) {
listeners.forEach((fn) => {
fn();
});
}
}
};
const addResizeListener = function(element, fn) {
if (isServer)
return;
if (!element.__resizeListeners__) {
element.__resizeListeners__ = [];
element.__ro__ = new ResizeObserver(lodashEs.debounce(resizeHandler, 16));
element.__ro__.observe(element);
}
element.__resizeListeners__.push(fn);
};
const removeResizeListener = function(element, fn) {
if (!element || !element.__resizeListeners__)
return;
element.__resizeListeners__.splice(
element.__resizeListeners__.indexOf(fn),
1
);
if (!element.__resizeListeners__.length) {
element.__ro__.disconnect();
}
};
exports.addResizeListener = addResizeListener;
exports.removeResizeListener = removeResizeListener;