check-ethereum-scanner
Version:
Safety checks for new Ethereum tokens
15 lines (12 loc) • 359 B
JavaScript
var isHexPrefixed = require('is-hex-prefixed');
/**
* Removes '0x' from a given `String` is present
* @param {String} str the string value
* @return {String|Optional} a string by pass if necessary
*/
module.exports = function stripHexPrefix(str) {
if (typeof str !== 'string') {
return str;
}
return isHexPrefixed(str) ? str.slice(2) : str;
}