crypto-shortener/_esm/index.js

Shorten crypto hashes, addresses with ellipsis

function shortenWith(str, options = {}) {
    const { length = 4, prefixes = [] } = options;
    const prefix = prefixes.find((p) => str.startsWith(p)) || "";
    const head = str.slice(prefix.length, prefix.length + length);
    const tail = str.slice(-length);
    return `${prefix}${head}...${tail}`;
}
export function shorten(arg, options) {
    if (typeof arg === "string") {
        return shortenWith(arg, options);
    }
    if (typeof arg === "object" && arg !== null) {
        return (str) => shortenWith(str, arg);
    }
    throw new TypeError("Argument is not string or an options object");
}
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