react-theme-switch-animation
Version:
React Theme Switch Animation for ReactJS, NextJS App Router
177 lines (176 loc) • 12.3 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import { useEffect, useRef, useState } from 'react';
import { flushSync } from 'react-dom';
var isBrowser = typeof window !== 'undefined';
// Inject base CSS for view transitions
var injectBaseStyles = function () {
if (isBrowser) {
var styleId = 'theme-switch-base-style';
if (!document.getElementById(styleId)) {
var style = document.createElement('style');
style.id = styleId;
var isHighResolution = window.innerWidth >= 3000 || window.innerHeight >= 2000;
style.textContent = "\n ::view-transition-old(root),\n ::view-transition-new(root) {\n animation: none;\n mix-blend-mode: normal;\n ".concat(isHighResolution ? 'transform: translateZ(0);' : '', "\n }\n \n ").concat(isHighResolution
? "\n ::view-transition-group(root),\n ::view-transition-image-pair(root),\n ::view-transition-old(root),\n ::view-transition-new(root) {\n backface-visibility: hidden;\n perspective: 1000px;\n transform: translate3d(0, 0, 0);\n }\n "
: '', "\n ");
document.head.appendChild(style);
}
}
};
export var ThemeAnimationType;
(function (ThemeAnimationType) {
ThemeAnimationType["CIRCLE"] = "circle";
ThemeAnimationType["BLUR_CIRCLE"] = "blur-circle";
})(ThemeAnimationType || (ThemeAnimationType = {}));
export var useModeAnimation = function (props) {
var _a = props || {}, _b = _a.duration, propsDuration = _b === void 0 ? 750 : _b, _c = _a.easing, easing = _c === void 0 ? 'ease-in-out' : _c, _d = _a.pseudoElement, pseudoElement = _d === void 0 ? '::view-transition-new(root)' : _d, _e = _a.globalClassName, globalClassName = _e === void 0 ? 'dark' : _e, _f = _a.animationType, animationType = _f === void 0 ? ThemeAnimationType.CIRCLE : _f, _g = _a.blurAmount, blurAmount = _g === void 0 ? 2 : _g, _h = _a.styleId, styleId = _h === void 0 ? 'theme-switch-style' : _h, externalDarkMode = _a.isDarkMode, onDarkModeChange = _a.onDarkModeChange;
var isHighResolution = typeof window !== 'undefined' && (window.innerWidth >= 3000 || window.innerHeight >= 2000);
var duration = isHighResolution ? Math.max(propsDuration * 0.8, 500) : propsDuration;
// Inject base styles when the hook is initialized
useEffect(function () {
injectBaseStyles();
}, []);
var _j = useState(isBrowser ? localStorage.getItem('theme') === 'dark' : false), internalDarkMode = _j[0], setInternalDarkMode = _j[1];
var isDarkMode = externalDarkMode !== null && externalDarkMode !== void 0 ? externalDarkMode : internalDarkMode;
var setIsDarkMode = function (value) {
var newValue = typeof value === 'function' ? value(isDarkMode) : value;
if (onDarkModeChange) {
onDarkModeChange(newValue);
}
else {
setInternalDarkMode(newValue);
}
};
var ref = useRef(null);
var createBlurCircleMask = function (blur) {
// Using a larger viewBox and centered circle for better scaling
var isHighResolution = typeof window !== 'undefined' && (window.innerWidth >= 3000 || window.innerHeight >= 2000);
var blurFilter = isHighResolution
? "<filter id=\"blur\"><feGaussianBlur stdDeviation=\"".concat(blur, "\" /></filter>")
: "<filter id=\"blur\"><feGaussianBlur stdDeviation=\"".concat(blur, "\" /></filter>");
var circleRadius = isHighResolution ? 20 : 25;
return "url('data:image/svg+xml,<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"-50 -50 100 100\"><defs>".concat(blurFilter, "</defs><circle cx=\"0\" cy=\"0\" r=\"").concat(circleRadius, "\" fill=\"white\" filter=\"url(%23blur)\"/></svg>')");
};
var toggleSwitchTheme = function () { return __awaiter(void 0, void 0, void 0, function () {
var existingStyle, _a, top, left, width, height, x, y, right, bottom, maxRadius, viewportSize, isHighResolution, scaleFactor, optimalMaskSize, finalMaskPosition, styleElement;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!ref.current ||
!document.startViewTransition ||
window.matchMedia('(prefers-reduced-motion: reduce)').matches) {
setIsDarkMode(function (isDarkMode) { return !isDarkMode; });
return [2 /*return*/];
}
existingStyle = document.getElementById(styleId);
if (existingStyle) {
existingStyle.remove();
}
_a = ref.current.getBoundingClientRect(), top = _a.top, left = _a.left, width = _a.width, height = _a.height;
x = left + width / 2;
y = top + height / 2;
right = window.innerWidth - left;
bottom = window.innerHeight - top;
maxRadius = Math.hypot(Math.max(left, right), Math.max(top, bottom));
viewportSize = Math.max(window.innerWidth, window.innerHeight);
isHighResolution = window.innerWidth >= 3000 || window.innerHeight >= 2000;
scaleFactor = isHighResolution ? 2.5 : 4;
optimalMaskSize = isHighResolution ? Math.min(viewportSize * scaleFactor, 5000) : viewportSize * scaleFactor;
finalMaskPosition = {
x: x - optimalMaskSize / 2,
y: y - optimalMaskSize / 2,
};
if (animationType === ThemeAnimationType.BLUR_CIRCLE) {
styleElement = document.createElement('style');
styleElement.id = styleId;
styleElement.textContent = "\n ::view-transition-group(root) {\n animation-duration: ".concat(duration, "ms;\n animation-timing-function: ").concat(isHighResolution
? 'cubic-bezier(0.2, 0, 0.2, 1)'
: 'linear(' +
'0 0%, 0.2342 12.49%, 0.4374 24.99%,' +
'0.6093 37.49%, 0.6835 43.74%,' +
'0.7499 49.99%, 0.8086 56.25%,' +
'0.8593 62.5%, 0.9023 68.75%, 0.9375 75%,' +
'0.9648 81.25%, 0.9844 87.5%,' +
'0.9961 93.75%, 1 100%' +
')', ";\n will-change: transform;\n }\n \n ::view-transition-new(root) {\n mask: ").concat(createBlurCircleMask(blurAmount), " 0 0 / 100% 100% no-repeat;\n mask-position: ").concat(x, "px ").concat(y, "px;\n animation: maskScale ").concat(duration, "ms ").concat(easing, ";\n transform-origin: ").concat(x, "px ").concat(y, "px;\n will-change: mask-size, mask-position;\n }\n \n ::view-transition-old(root),\n .dark::view-transition-old(root) {\n animation: maskScale ").concat(duration, "ms ").concat(easing, ";\n transform-origin: ").concat(x, "px ").concat(y, "px;\n z-index: -1;\n will-change: mask-size, mask-position;\n }\n \n @keyframes maskScale {\n 0% {\n mask-size: 0px;\n mask-position: ").concat(x, "px ").concat(y, "px;\n }\n 100% {\n mask-size: ").concat(optimalMaskSize, "px;\n mask-position: ").concat(finalMaskPosition.x, "px ").concat(finalMaskPosition.y, "px;\n }\n }\n ");
document.head.appendChild(styleElement);
}
return [4 /*yield*/, document.startViewTransition(function () {
flushSync(function () {
setIsDarkMode(function (isDarkMode) { return !isDarkMode; });
});
}).ready];
case 1:
_b.sent();
if (animationType === ThemeAnimationType.CIRCLE) {
document.documentElement.animate({
clipPath: ["circle(0px at ".concat(x, "px ").concat(y, "px)"), "circle(".concat(maxRadius, "px at ").concat(x, "px ").concat(y, "px)")],
}, {
duration: duration,
easing: easing,
pseudoElement: pseudoElement,
});
}
if (animationType === ThemeAnimationType.BLUR_CIRCLE) {
setTimeout(function () {
var styleElement = document.getElementById(styleId);
if (styleElement) {
styleElement.remove();
}
}, duration);
}
return [2 /*return*/];
}
});
}); };
useEffect(function () {
if (isDarkMode) {
document.documentElement.classList.add(globalClassName);
localStorage.theme = 'dark';
}
else {
document.documentElement.classList.remove(globalClassName);
localStorage.theme = 'light';
}
}, [isDarkMode, globalClassName]);
return {
ref: ref,
toggleSwitchTheme: toggleSwitchTheme,
isDarkMode: isDarkMode,
};
};