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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 | 7x 7x 648x 648x 648x 648x 648x | import ResizeObserver from 'resize-observer-polyfill'; const resizeHandler = function (entries) { for (const entry of entries) { const listeners = entry.target.__resizeListeners__ || []; listeners.forEach((listener) => listener()); } }; export const addResizeListener = function (element, listener) { Eif (!element.__resizeListeners__) { element.__resizeListeners__ = []; element.__ro__ = new ResizeObserver(resizeHandler); element.__ro__.observe(element); } element.__resizeListeners__.push(listener); }; /* istanbul ignore next */ export const removeResizeListener = function (element, listener) { if (!element || !element.__resizeListeners__) return; element.__resizeListeners__.splice(element.__resizeListeners__.indexOf(listener), 1); if (!element.__resizeListeners__.length) { element.__ro__.disconnect(); } }; |