Just Shorten

A tiny utility to shorten strings and Ethereum addresses in a readable way.

Installation

npm install just-shorten
# or
yarn add just-shorten

Usage

shortenString

Shortens a string by keeping the first and last few characters, inserting a joiner in the middle.

import { shortenString } from "just-shorten";

shortenString("qwertyuiop");           // "qwe...iop"
shortenString("abcdef", 2, "-");       // "ab---ef"
shortenString("hi");                    // "hi" (too short, returned as is)

shortenAddress

Shortens an Ethereum address (or any string). If the string starts with 0x, it keeps the 0x prefix.

import { shortenAddress } from "just-shorten";

shortenAddress("0x123456789abcdef"); // "0x123...def"
shortenAddress("abcdef");            // "abc...def"
shortenAddress("0x12");              // "0x12" (too short, returned as is)
shortenAddress("0x");                // "0x"

Parameters:

• value: string – the string to shorten.
• charsCount: number = 3 – how many characters to keep on each side.
• joiner: string = "." – the string to insert in the middle (repeated 3 times by default).

Edge Cases

• Empty strings are returned as-is.
• Strings shorter than charsCount * 2 are returned as-is.
• Negative or non-finite charsCount will return the original string.