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- // @flow strict
- declare function isInteger(value: mixed): boolean %checks(typeof value ===
- 'number');
- /* eslint-disable no-redeclare */
- // $FlowFixMe workaround for: https://github.com/facebook/flow/issues/4441
- const isInteger =
- Number.isInteger ||
- function(value) {
- return (
- typeof value === 'number' &&
- isFinite(value) &&
- Math.floor(value) === value
- );
- };
- export default isInteger;
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