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@ethersproject/strings
Advanced tools
@ethersproject/strings is a utility library for handling and manipulating strings in the context of Ethereum and blockchain development. It provides functions for UTF-8 encoding/decoding, hex string manipulation, and other string-related operations that are commonly needed when working with Ethereum smart contracts and transactions.
UTF-8 Encoding and Decoding
This feature allows you to convert a string to its UTF-8 byte representation and vice versa. This is useful for encoding data to be sent over the network or stored in smart contracts.
const { toUtf8Bytes, toUtf8String } = require('@ethersproject/strings');
const utf8Bytes = toUtf8Bytes('Hello, Ethereum!');
console.log(utf8Bytes); // Uint8Array of UTF-8 bytes
const utf8String = toUtf8String(utf8Bytes);
console.log(utf8String); // 'Hello, Ethereum!'
Hex String Manipulation
This feature provides utilities for working with hexadecimal strings, such as converting byte arrays to hex strings and validating hex strings. This is particularly useful for handling Ethereum addresses and transaction data.
const { hexlify, isHexString } = require('@ethersproject/strings');
const hexString = hexlify([0x12, 0x34, 0x56]);
console.log(hexString); // '0x123456'
const isValidHex = isHexString(hexString);
console.log(isValidHex); // true
Base64 Encoding and Decoding
This feature allows you to encode and decode strings to and from Base64 format. This can be useful for encoding binary data as a string for storage or transmission.
const { toBase64, fromBase64 } = require('@ethersproject/strings');
const base64String = toBase64('Hello, Ethereum!');
console.log(base64String); // 'SGVsbG8sIEV0aGVyZXVtIQ=='
const originalString = fromBase64(base64String);
console.log(originalString); // 'Hello, Ethereum!'
The 'utf8' package provides utilities for encoding and decoding UTF-8 strings. It is similar to the UTF-8 encoding/decoding functionality in @ethersproject/strings but does not include other features like hex string manipulation or Base64 encoding.
The 'hex-encoding' package focuses on converting data to and from hexadecimal strings. It is similar to the hex string manipulation features in @ethersproject/strings but does not offer UTF-8 or Base64 utilities.
The 'base64-js' package provides methods for encoding and decoding Base64 strings. It is similar to the Base64 encoding/decoding functionality in @ethersproject/strings but does not include UTF-8 or hex string utilities.
FAQs
String utility functions.
The npm package @ethersproject/strings receives a total of 680,670 weekly downloads. As such, @ethersproject/strings popularity was classified as popular.
We found that @ethersproject/strings demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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