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Created custom react hook that can be used to handle toggles

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This commit is contained in:
Alejandro Celaya
2019-03-17 18:35:47 +01:00
parent 977e143b4e
commit ce0f036bef
2 changed files with 10 additions and 3 deletions
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7
src/utils/utils.js
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@@ -3,6 +3,7 @@ import marker2x from 'leaflet/dist/images/marker-icon-2x.png';
import marker from 'leaflet/dist/images/marker-icon.png';
import markerShadow from 'leaflet/dist/images/marker-shadow.png';
import { range } from 'ramda';
import { useState } from 'react';
const TEN_ROUNDING_NUMBER = 10;
const DEFAULT_TIMEOUT_DELAY = 2000;
@@ -44,3 +45,9 @@ export const fixLeafletIcons = () => {
export const rangeOf = (size, mappingFn, startAt = 1) => range(startAt, size + 1).map(mappingFn);
export const roundTen = (number) => ceil(number / TEN_ROUNDING_NUMBER) * TEN_ROUNDING_NUMBER;
export const useToggle = (initialValue = false) => {
const [ flag, setFlag ] = useState(initialValue);
return [ flag, () => setFlag(!flag) ];
};