46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
const root = document.documentElement;
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/* animation */
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const setScroll = () => {
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root.style.setProperty("--animate", window.scrollY / window.innerHeight);
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};
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setScroll();
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window.addEventListener("scroll", setScroll); // debounce this in production
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/* page aspect ratio */
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const setWindowSize = () => {
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const aspectRatio = window.innerWidth / window.innerHeight;
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root.style.setProperty(
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"--windowHeightScalar",
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aspectRatio > 1 ? 1 : 1 / aspectRatio
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);
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root.style.setProperty(
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"--windowWidthScalar",
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aspectRatio < 1 ? 1 : aspectRatio
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);
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};
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setWindowSize();
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window.addEventListener("resize", setWindowSize); // debounce this in production
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/* drag n drop */
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const upload = document.getElementById("upload");
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const uploadMask = document.getElementById("upload-mask");
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upload.addEventListener("input", (e) => {
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uploadMask.style.opacity = 0;
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const input = e.target;
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if (input.files && input.files[0]) {
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const reader = new FileReader();
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reader.onload = (readerE) => {
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document
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.getElementById("image")
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.setAttribute("xlink:href", readerE.target.result);
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};
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reader.readAsDataURL(input.files[0]);
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}
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});
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upload.addEventListener("dragenter", () => {
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uploadMask.style.opacity = 1;
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});
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upload.addEventListener("dragleave", () => {
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uploadMask.style.opacity = 0;
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}); |