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Created rangeOf helper function which does a range + map

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This commit is contained in:
Alejandro Celaya
2019-03-09 12:19:33 +01:00
parent 60576388c5
commit 83704ca4b5
6 changed files with 45 additions and 11 deletions
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8
src/utils/services/ColorGenerator.js
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@@ -1,15 +1,11 @@
import { range } from 'ramda';
import PropTypes from 'prop-types';
import { rangeOf } from '../utils';
const HEX_COLOR_LENGTH = 6;
const { floor, random } = Math;
const letters = '0123456789ABCDEF';
const buildRandomColor = () =>
`#${
range(0, HEX_COLOR_LENGTH)
.map(() => letters[floor(random() * letters.length)])
.join('')
}`;
`#${rangeOf(HEX_COLOR_LENGTH, () => letters[floor(random() * letters.length)]).join('')}`;
const normalizeKey = (key) => key.toLowerCase().trim();
export default class ColorGenerator {

3
src/utils/utils.js
View File

@@ -2,6 +2,7 @@ import L from 'leaflet';
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';
const DEFAULT_TIMEOUT_DELAY = 2000;
@@ -37,3 +38,5 @@ export const fixLeafletIcons = () => {
shadowUrl: markerShadow,
});
};
export const rangeOf = (size, mappingFn, startAt = 1) => range(startAt, size + 1).map(mappingFn);