Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | 27x | import { useCallback, useEffect, useState } from 'react';
import { useHistory, useLocation } from 'react-router-dom';
import queryString from 'query-string';
import isEqual from 'lodash/isEqual';
const useHelperApp = (helpers) => {
const history = useHistory();
const location = useLocation();
const [helperObject, setHelperObject] = useState({});
const [helperToggleFunctions, setHelperToggleFunctions] = useState({});
const query = queryString.parse(location.search);
const [currentHelper, setCurrentHelper] = useState(query?.helper);
const handleToggleHelper = useCallback((helper) => {
setCurrentHelper(helper !== currentHelper ? helper : undefined);
}, [currentHelper]);
const isOpen = (hlp) => {
return currentHelper === hlp;
};
useEffect(() => {
if (!isEqual(Object.keys(helperObject), Object.keys(helpers))) {
setHelperObject(helpers);
}
const newHelperToggleFunctions = {};
Object.keys(helperObject).forEach(h => {
newHelperToggleFunctions[h] = () => handleToggleHelper(h);
});
if (!isEqual(Object.keys(helperToggleFunctions), Object.keys(newHelperToggleFunctions))) {
// This makes sure adding/removing helpers changes the functions
setHelperToggleFunctions(newHelperToggleFunctions);
}
if (currentHelper !== query?.helper) {
const newQuery = {
...query,
helper: currentHelper
};
history.push({
pathname: location.pathname,
search: `?${queryString.stringify(newQuery)}`
});
// When helper changes, reset helperToggleFunctions
setHelperToggleFunctions(newHelperToggleFunctions);
}
}, [currentHelper, handleToggleHelper, helperObject, helperToggleFunctions, helpers, history, location, query]);
// Set the HelperComponent
const HelperComponent = useCallback((props) => {
if (!query?.helper) return null;
let Component = null;
Component = helperObject[query?.helper];
if (!Component) return null;
return (
<Component
onToggle={() => handleToggleHelper(query?.helper)}
{...props}
/>
);
}, [handleToggleHelper, helperObject, query?.helper]);
return { currentHelper, HelperComponent, helperToggleFunctions, isOpen };
};
export default useHelperApp;
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