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Fast.Utils API ​

Use this index to locate public entries and module references, not as a second installation or configuration tutorial. Start with the usage guide; see the export inventory for all members and types.

Imports ​

Import named APIs from @fast-china/utils and use import type for types. Internal source and dist paths are not public entries.

Storage ​

Local, Session, configureStorage, base64StorageCodec

Signatures, parameters, returns and examples

Identity ​

installationIdentity, configureInstallationIdentity, getOrCreateInstallationId

Signatures, parameters, returns and examples

Logger ​

Logger, logger, configureLogger, createLogger

Signatures, parameters, returns and examples

Base64 ​

DecodedText, decodeBase64, decodeBase64Url, decodeLatin1Base64, decodeSecureBase64, encodeSecureBase64

Signatures, parameters, returns and examples

Crypto ​

GenerateRandomBytes, FixedTimeEquals, MD5Encrypt, SHA1Encrypt, SHA256Bytes, SHA256Encrypt, SHA384Bytes, SHA384Encrypt, SHA512Bytes, SHA512Encrypt, HMACSHA256Encrypt, HMACSHA384Encrypt, HMACSHA512Encrypt, PBKDF2SHA256, HashPasswordPBKDF2SHA256, VerifyPasswordPBKDF2SHA256, HKDFSHA256, AESEncrypt, AESDecrypt, AESEncryptAuthenticated, AESDecryptAuthenticated, AESEncryptWithPassword, AESDecryptWithPassword, GenerateRSAKeyPair, RSAEncryptOAEP, RSADecryptOAEP, RSASignPSS, RSAVerifyPSS, GenerateECDSAKeyPair, ECDSASign, ECDSAVerify, GenerateECDHKeyPair, DeriveECDHSecret, DeriveECDHKeySHA256

Signatures, parameters, returns and examples

Array ​

chunk, removeNullishValues, unique, uniqueBy, groupBy, partition, difference, intersection, symmetricDifference, hasDuplicatesBy, allEqualBy

Signatures, parameters, returns and examples

Async ​

sleep, withTimeout, retry, mapConcurrent, debounce, throttle

Signatures, parameters, returns and examples

Number ​

formatBytes, randomInt

Signatures, parameters, returns and examples

Function ​

once

Signatures, parameters, returns and examples

String ​

copy, generateUuidV4, randomString

Signatures, parameters, returns and examples

Vue ​

useBreakpoints, useElementSize, useEventListener, useNow, useResizeObserver, useWindowSize

Signatures, parameters, returns and examples

Modules ​

Other modules: Color, Date, DOM, Environment, and Object.

Clipboard ​

See the copy-text guide for the workflow and String API for the copy contract.

Security and limitations ​

The runtime contract describes platform and entry-point boundaries; the cryptography guide explains algorithm selection. Base64, SecureBase64 and Storage crypto are encodings, not encryption. Installation identifiers are not authentication credentials.

Errors and compatibility ​

Each reference defines its own invalid-input, empty-value, exception and cancellation behavior. See the runtime contract for compatibility boundaries.