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| import assertString from './util/assertString';
| var defaultOptions = {
| loose: false
| };
| var strictBooleans = ['true', 'false', '1', '0'];
| var looseBooleans = [].concat(strictBooleans, ['yes', 'no']);
| export default function isBoolean(str) {
| var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : defaultOptions;
| assertString(str);
| if (options.loose) {
| return looseBooleans.includes(str.toLowerCase());
| }
| return strictBooleans.includes(str);
| }
|
|
