source: imaps-frontend/node_modules/is-bigint/index.js@ 79a0317

'use strict';

var hasBigInts = require('has-bigints')();

if (hasBigInts) {
        var bigIntValueOf = BigInt.prototype.valueOf;
        /** @type {(value: object) => value is BigInt} */
        var tryBigInt = function tryBigIntObject(value) {
                try {
                        bigIntValueOf.call(value);
                        return true;
                } catch (e) {
                }
                return false;
        };

        /** @type {import('.')} */
        module.exports = function isBigInt(value) {
                if (
                        value === null
                        || typeof value === 'undefined'
                        || typeof value === 'boolean'
                        || typeof value === 'string'
                        || typeof value === 'number'
                        || typeof value === 'symbol'
                        || typeof value === 'function'
                ) {
                        return false;
                }
                if (typeof value === 'bigint') {
                        return true;
                }

                return tryBigInt(value);
        };
} else {
        /** @type {import('.')} */
        module.exports = function isBigInt(value) {
                return false && value;
        };
}