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musix-oss/node_modules/is-bigint/index.js
2020-03-03 22:30:50 +02:00

37 lines
747 B
JavaScript

'use strict';
if (typeof BigInt === 'function') {
var bigIntValueOf = BigInt.prototype.valueOf;
var tryBigInt = function tryBigIntObject(value) {
try {
bigIntValueOf.call(value);
return true;
} catch (e) {
}
return false;
};
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') { // eslint-disable-line valid-typeof
return true;
}
return tryBigInt(value);
};
} else {
module.exports = function isBigInt(value) {
return false && value;
};
}