36 lines
925 B
Plaintext
36 lines
925 B
Plaintext
'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var React = require('react');
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function _interopDefault (e) { return e && e.__esModule ? e : { 'default': e }; }
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var React__default = /*#__PURE__*/_interopDefault(React);
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// basically Exclude<React.ClassAttributes<T>["ref"], string>
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var updateRef = function updateRef(ref, value) {
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if (typeof ref === 'function') {
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ref(value);
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return;
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}
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ref.current = value;
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};
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var useComposedRef = function useComposedRef(libRef, userRef) {
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var prevUserRef = React__default["default"].useRef();
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return React__default["default"].useCallback(function (instance) {
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libRef.current = instance;
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if (prevUserRef.current) {
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updateRef(prevUserRef.current, null);
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}
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prevUserRef.current = userRef;
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if (!userRef) {
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return;
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}
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updateRef(userRef, instance);
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}, [userRef]);
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};
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exports["default"] = useComposedRef;
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