element-plus
Version:
> TODO: description
42 lines (41 loc) • 1.54 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.removeResizeListener = exports.addResizeListener = void 0;
const resize_observer_polyfill_1 = __importDefault(require("resize-observer-polyfill"));
const isServer_1 = __importDefault(require("./isServer"));
/* istanbul ignore next */
const resizeHandler = function (entries) {
for (const entry of entries) {
const listeners = entry.target.__resizeListeners__ || [];
if (listeners.length) {
listeners.forEach(fn => {
fn();
});
}
}
};
/* istanbul ignore next */
const addResizeListener = function (element, fn) {
if (isServer_1.default || !element)
return;
if (!element.__resizeListeners__) {
element.__resizeListeners__ = [];
element.__ro__ = new resize_observer_polyfill_1.default(resizeHandler);
element.__ro__.observe(element);
}
element.__resizeListeners__.push(fn);
};
exports.addResizeListener = addResizeListener;
/* istanbul ignore next */
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.removeResizeListener = removeResizeListener;