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 王天杨
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.useIsomorphicLayoutEffect = exports.fromEntries = exports.setRef = exports.safeInvoke = exports.unwrapArray = void 0;
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
/**
* Takes an argument and if it's an array, returns the first item in the array,
* otherwise returns the argument. Used for Preact compatibility.
*/
var unwrapArray = function unwrapArray(arg) {
return Array.isArray(arg) ? arg[0] : arg;
};
/**
* Takes a maybe-undefined function and arbitrary args and invokes the function
* only if it is defined.
*/
exports.unwrapArray = unwrapArray;
var safeInvoke = function safeInvoke(fn) {
if (typeof fn === 'function') {
for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
return fn.apply(void 0, args);
}
};
/**
* Sets a ref using either a ref callback or a ref object
*/
exports.safeInvoke = safeInvoke;
var setRef = function setRef(ref, node) {
// if its a function call it
if (typeof ref === 'function') {
return safeInvoke(ref, node);
} // otherwise we should treat it as a ref object
else if (ref != null) {
ref.current = node;
}
};
/**
* Simple ponyfill for Object.fromEntries
*/
exports.setRef = setRef;
var fromEntries = function fromEntries(entries) {
return entries.reduce(function (acc, _ref) {
var key = _ref[0],
value = _ref[1];
acc[key] = value;
return acc;
}, {});
};
/**
* Small wrapper around `useLayoutEffect` to get rid of the warning on SSR envs
*/
exports.fromEntries = fromEntries;
var useIsomorphicLayoutEffect = typeof window !== 'undefined' && window.document && window.document.createElement ? React.useLayoutEffect : React.useEffect;
exports.useIsomorphicLayoutEffect = useIsomorphicLayoutEffect;
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