60 lines
1.3 KiB
JavaScript
60 lines
1.3 KiB
JavaScript
var __read = this && this.__read || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o),
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r,
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ar = [],
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e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) {
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ar.push(r.value);
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}
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} catch (error) {
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e = {
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error: error
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};
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} finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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} finally {
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if (e) throw e.error;
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}
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}
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return ar;
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};
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import { useState, useCallback, useRef } from 'react';
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function useEventTarget(options) {
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var _a = options || {},
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initialValue = _a.initialValue,
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transformer = _a.transformer;
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var _b = __read(useState(initialValue), 2),
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value = _b[0],
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setValue = _b[1];
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var reset = useCallback(function () {
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return setValue(initialValue);
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}, []);
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var transformerRef = useRef(transformer);
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transformerRef.current = transformer;
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var onChange = useCallback(function (e) {
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var _value = e.target.value;
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if (typeof transformerRef.current === 'function') {
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return setValue(transformerRef.current(_value));
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} // no transformer => U and T should be the same
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return setValue(_value);
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}, []);
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return [value, {
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onChange: onChange,
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reset: reset
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}];
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}
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export default useEventTarget; |