utils.ts 1018 B

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  1. export function isAnyArrayBuffer(value: unknown): value is ArrayBuffer {
  2. return ['[object ArrayBuffer]', '[object SharedArrayBuffer]'].includes(
  3. Object.prototype.toString.call(value)
  4. );
  5. }
  6. export function isUint8Array(value: unknown): value is Uint8Array {
  7. return Object.prototype.toString.call(value) === '[object Uint8Array]';
  8. }
  9. export function isBigInt64Array(value: unknown): value is BigInt64Array {
  10. return Object.prototype.toString.call(value) === '[object BigInt64Array]';
  11. }
  12. export function isBigUInt64Array(value: unknown): value is BigUint64Array {
  13. return Object.prototype.toString.call(value) === '[object BigUint64Array]';
  14. }
  15. export function isRegExp(d: unknown): d is RegExp {
  16. return Object.prototype.toString.call(d) === '[object RegExp]';
  17. }
  18. export function isMap(d: unknown): d is Map<unknown, unknown> {
  19. return Object.prototype.toString.call(d) === '[object Map]';
  20. }
  21. export function isDate(d: unknown): d is Date {
  22. return Object.prototype.toString.call(d) === '[object Date]';
  23. }