node:util/types
#Import
import util_types from "nstdlib/util/types";Note
Its behavior matches Node.js.
#Runtime support
| Where it runs | Status | Export coverage | Details |
|---|---|---|---|
| nstd | ⚠️ some support | – | 12/28 of Node's own eligible tests pass under nstd (filed under util, the parent module). |
| Browser | ❔ not tested | 100% of Node.js | It imports with the small process shim. 43/43 Node.js exports are available. No module-specific behavior test ran. |
| Node.js (host) | ✅ works | 100% of Node.js | 43/43 exports. |
#Exports (43 of 43)
Each cell shows what happens when code reads an export:
- ✅ Available through every import style. A named error also counts.
- ⚠️ Available through only some import styles.
- ❔ The export exists but has no value.
- ❌ The export does not exist.
- – This environment was not measured.
Show all 43 exports
| Export | Node.js | nstdlib | browser |
|---|---|---|---|
isAnyArrayBuffer | ✅ | ✅ | ✅ |
isArgumentsObject | ✅ | ✅ | ✅ |
isArrayBuffer | ✅ | ✅ | ✅ |
isArrayBufferView | ✅ | ✅ | ✅ |
isAsyncFunction | ✅ | ✅ | ✅ |
isBigInt64Array | ✅ | ✅ | ✅ |
isBigIntObject | ✅ | ✅ | ✅ |
isBigUint64Array | ✅ | ✅ | ✅ |
isBooleanObject | ✅ | ✅ | ✅ |
isBoxedPrimitive | ✅ | ✅ | ✅ |
isCryptoKey | ✅ | ✅ | ✅ |
isDataView | ✅ | ✅ | ✅ |
isDate | ✅ | ✅ | ✅ |
isExternal | ✅ | ✅ | ✅ |
isFloat16Array | ✅ | ✅ | ✅ |
isFloat32Array | ✅ | ✅ | ✅ |
isFloat64Array | ✅ | ✅ | ✅ |
isGeneratorFunction | ✅ | ✅ | ✅ |
isGeneratorObject | ✅ | ✅ | ✅ |
isInt16Array | ✅ | ✅ | ✅ |
isInt32Array | ✅ | ✅ | ✅ |
isInt8Array | ✅ | ✅ | ✅ |
isKeyObject | ✅ | ✅ | ✅ |
isMap | ✅ | ✅ | ✅ |
isMapIterator | ✅ | ✅ | ✅ |
isModuleNamespaceObject | ✅ | ✅ | ✅ |
isNativeError | ✅ | ✅ | ✅ |
isNumberObject | ✅ | ✅ | ✅ |
isPromise | ✅ | ✅ | ✅ |
isProxy | ✅ | ✅ | ✅ |
isRegExp | ✅ | ✅ | ✅ |
isSet | ✅ | ✅ | ✅ |
isSetIterator | ✅ | ✅ | ✅ |
isSharedArrayBuffer | ✅ | ✅ | ✅ |
isStringObject | ✅ | ✅ | ✅ |
isSymbolObject | ✅ | ✅ | ✅ |
isTypedArray | ✅ | ✅ | ✅ |
isUint16Array | ✅ | ✅ | ✅ |
isUint32Array | ✅ | ✅ | ✅ |
isUint8Array | ✅ | ✅ | ✅ |
isUint8ClampedArray | ✅ | ✅ | ✅ |
isWeakMap | ✅ | ✅ | ✅ |
isWeakSet | ✅ | ✅ | ✅ |