reactjs-image-zoom
Version:
A react image component which zoom the image in the viewport of the website.
79 lines • 3.41 kB
JavaScript
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Zoom = void 0;
const react_1 = __importStar(require("react"));
const react_2 = require("react");
const DEFAULT = {
height: 400,
width: 100,
maxwidth: 400,
repeat: "no-repeat",
position: "center",
size: 100,
bgsize: "cover",
cursor: "zoom-in",
borderpixel: 1,
bordercolor: "#ddd",
imagesrc: "https://res.cloudinary.com/dacp0r5b7/image/upload/v1662844267/icons/github/Screenshot_63_ll09rf.png"
};
const Zoom = (props) => {
var _a;
const { className, height, borderpixel, bordercolor, maxwidth, width, repeat, position, size, bgsize, cursor, imagesrc } = (0, react_2.useMemo)(() => (Object.assign(Object.assign({}, DEFAULT), props)), [props]);
const customstlyes = (_a = props.style) !== null && _a !== void 0 ? _a : null;
const divref = (0, react_2.useRef)();
const [isHovering, setIsHovering] = (0, react_1.useState)(false);
const [pos, setPos] = (0, react_1.useState)("");
const handleMouseEnter = () => {
setIsHovering(true);
};
const handleMouseLeave = () => {
setIsHovering(false);
};
const handleMouseMove = (e) => {
const { left, top, width, height } = e.target.getBoundingClientRect();
const x = ((e.pageX - left) / width) * 100;
const y = ((e.pageY - top) / height) * 100;
setPos(`${x}% ${y}%`);
};
const handleMouseOut = (e) => {
divref.current.style.backgroundPosition = "center";
handleMouseLeave();
};
const styles = {
backgroundImage: `url(${imagesrc})`,
height: `${height}px`,
maxWidth: `${maxwidth}px`,
width: `${width}%`,
backgroundRepeat: `${repeat}`,
cursor: `${cursor}`,
backgroundPosition: isHovering ? `${pos}` : `${position}`,
backgroundSize: isHovering ? `${size}%` : `${bgsize}`,
border: isHovering ? `${borderpixel}px solid ${bordercolor}` : ""
};
return react_1.default.createElement("div", { ref: divref, onMouseEnter: handleMouseEnter, onMouseLeave: handleMouseOut, onMouseMove: handleMouseMove, className: className, style: Object.assign(Object.assign({}, styles), customstlyes) });
};
exports.Zoom = Zoom;
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