| 1 | import PropTypes from 'prop-types';
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| 2 | import { and } from 'airbnb-prop-types';
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| 3 |
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| 4 | export default and([
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| 5 | PropTypes.instanceOf(Set),
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| 6 | function modifiers(props, propName, ...rest) {
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| 7 | const { [propName]: propValue } = props;
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| 8 | let firstError;
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| 9 | [...propValue].some((v, i) => {
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| 10 | const fakePropName = `${propName}: index ${i}`;
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| 11 | firstError = PropTypes.string.isRequired(
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| 12 | { [fakePropName]: v },
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| 13 | fakePropName,
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| 14 | ...rest,
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| 15 | );
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| 16 | return firstError != null;
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| 17 | });
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| 18 | return firstError == null ? null : firstError;
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| 19 | },
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| 20 | ], 'Modifiers (Set of Strings)');
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