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31 lines
835 B
Plaintext
31 lines
835 B
Plaintext
const windowCallbacks = new Set();
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let windowResizeHandler;
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function createWindowResizeHandler() {
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windowResizeHandler = () => {
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const size = {
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width: window.innerWidth,
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height: window.innerHeight,
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};
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const info = {
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target: window,
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size,
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contentSize: size,
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};
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windowCallbacks.forEach((callback) => callback(info));
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};
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window.addEventListener("resize", windowResizeHandler);
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}
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function resizeWindow(callback) {
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windowCallbacks.add(callback);
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if (!windowResizeHandler)
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createWindowResizeHandler();
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return () => {
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windowCallbacks.delete(callback);
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if (!windowCallbacks.size && windowResizeHandler) {
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windowResizeHandler = undefined;
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}
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};
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}
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export { resizeWindow };
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