magic-img
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422 lines (421 loc) • 14.8 kB
JavaScript
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var __export = function(target, all) {
for(var name in all)__defProp(target, name, {
get: all[name],
enumerable: true
});
};
var __copyProps = function(to, from, except, desc) {
if (from && typeof from === "object" || typeof from === "function") {
var _iteratorNormalCompletion = true, _didIteratorError = false, _iteratorError = undefined;
try {
var _loop = function() {
var key = _step.value;
if (!__hasOwnProp.call(to, key) && key !== except) __defProp(to, key, {
get: function() {
return from[key];
},
enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable
});
};
for(var _iterator = __getOwnPropNames(from)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true)_loop();
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
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}
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}
}
return to;
};
var __toCommonJS = function(mod) {
return __copyProps(__defProp({}, "__esModule", {
value: true
}), mod);
};
// src/frameWork/react/index.tsx
var react_exports = {};
__export(react_exports, {
default: function() {
return MagicImg;
}
});
module.exports = __toCommonJS(react_exports);
var import_react = require("react");
// src/magic.ts
var imgPlaceholder = [
"lqip",
"blurhash"
];
// src/frameWork/react/index.tsx
var import_jsx_runtime = require("react/jsx-runtime");
function MagicImg(_param) {
var src = _param.src, reset = _objectWithoutProperties(_param, [
"src"
]);
var magicImage = (0, import_react.useRef)(null);
var data = JSON.parse(src);
var _ref = _slicedToArray((0, import_react.useState)(""), 2), placeholderStatus = _ref[0], setPlaceholderStatus = _ref[1];
var _ref1 = _slicedToArray((0, import_react.useState)(""), 2), targetStatus = _ref1[0], setTargetStatus = _ref1[1];
var _ref2 = _slicedToArray((0, import_react.useState)(""), 2), realSrc = _ref2[0], setRealSrc = _ref2[1];
var start = function() {
setPlaceholderStatus("from");
setTargetStatus("from");
var start2 = performance.now();
var img = new Image();
img.onload = function() {
return requestAnimationFrame(function() {
var status = performance.now() - start2 > 100 ? "to" : "noPrevice";
setRealSrc(data.src);
setPlaceholderStatus(status);
setTargetStatus(status);
});
};
img.src = data.src;
};
(0, import_react.useEffect)(function() {
var intersection = new IntersectionObserver(function() {
var _ref = _asyncToGenerator(function(entrys) {
var _iteratorNormalCompletion, _didIteratorError, _iteratorError, _iterator, _step, isIntersecting;
return __generator(this, function(_state) {
_iteratorNormalCompletion = true, _didIteratorError = false, _iteratorError = undefined;
try {
for(_iterator = entrys[Symbol.iterator](); !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true){
isIntersecting = _step.value.isIntersecting;
if (isIntersecting) {
start();
intersection.disconnect();
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally{
try {
if (!_iteratorNormalCompletion && _iterator.return != null) {
_iterator.return();
}
} finally{
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return [
2
];
});
});
return function(entrys) {
return _ref.apply(this, arguments);
};
}());
intersection.observe(magicImage.current);
return function() {
intersection.disconnect();
};
}, [
src
]);
return /* @__PURE__ */ (0, import_jsx_runtime.jsxs)("div", _objectSpreadProps(_objectSpread({
ref: magicImage,
"magic-img": "true"
}, _objectSpread({
magic: data.magic
}, reset)), {
children: [
!imgPlaceholder.includes(data.magic) ? /* @__PURE__ */ (0, import_jsx_runtime.jsx)("svg", _objectSpreadProps(_objectSpread({
className: "magic-placeholder"
}, {
status: placeholderStatus
}), {
preserveAspectRatio: "none",
dangerouslySetInnerHTML: {
__html: data.content
},
width: data.width,
height: data.height,
viewBox: "0 0 ".concat(data.width_ || data.width, " ").concat(data.height_ || data.height)
})) : /* @__PURE__ */ (0, import_jsx_runtime.jsx)("img", _objectSpreadProps(_objectSpread({
className: "magic-placeholder"
}, {
status: placeholderStatus
}), {
src: data.content,
width: data.width,
height: data.height,
alt: ""
})),
/* @__PURE__ */ (0, import_jsx_runtime.jsx)("img", _objectSpreadProps(_objectSpread({
className: "magic-target"
}, {
status: targetStatus
}), {
src: realSrc,
alt: ""
}))
]
}));
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {});