{"version":3,"sources":["../src/isPromise.ts"],"sourcesContent":["/**\n * A type guard to check if an object is a Promise (or a \"thenable\"). It checks\n * if the object is not null, is an object, and has a callable .then method.\n *\n * Note that if the Promise expects a certain type like `Promise<T>`, there is\n * no way to validate the type of T unless we resolve the promise. This function\n * does not attempt to typecheck for T in any way.\n */\nexport function isPromise(obj: unknown): obj is Promise<unknown> {\n  // Check if the object is defined and not null.\n  if (!obj || (typeof obj !== \"object\" && typeof obj !== \"function\")) {\n    return false;\n  }\n\n  // Check if the .then property is a function (callable).\n  return \"then\" in obj && typeof obj.then === \"function\";\n}\n\n/**\n * A type guard to check if an object is a native Promise.\n *\n * Note that if the Promise expects a certain type like `Promise<T>`, there is\n * no way to validate the type of T unless we resolve the promise. This function\n * does not attempt to typecheck for T in any way.\n */\nexport function isNativePromise(obj: unknown): obj is Promise<unknown> {\n  return obj instanceof Promise;\n}\n"],"mappings":"yaAAA,IAAAA,EAAA,GAAAC,EAAAD,EAAA,qBAAAE,EAAA,cAAAC,IAAA,eAAAC,EAAAJ,GAQO,SAASG,EAAUE,EAAuC,CAE/D,MAAI,CAACA,GAAQ,OAAOA,GAAQ,UAAY,OAAOA,GAAQ,WAC9C,GAIF,SAAUA,GAAO,OAAOA,EAAI,MAAS,UAC9C,CASO,SAASH,EAAgBG,EAAuC,CACrE,OAAOA,aAAe,OACxB","names":["isPromise_exports","__export","isNativePromise","isPromise","__toCommonJS","obj"]}