ethereumjs-util
Version:
A collection of utility functions for Ethereum
49 lines • 1.61 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.assertIsString = exports.assertIsArray = exports.assertIsBuffer = exports.assertIsHexString = void 0;
const internal_1 = require("./internal");
/**
* Throws if a string is not hex prefixed
* @param {string} input string to check hex prefix of
*/
const assertIsHexString = function (input) {
if (!(0, internal_1.isHexString)(input)) {
const msg = `This method only supports 0x-prefixed hex strings but input was: ${input}`;
throw new Error(msg);
}
};
exports.assertIsHexString = assertIsHexString;
/**
* Throws if input is not a buffer
* @param {Buffer} input value to check
*/
const assertIsBuffer = function (input) {
if (!Buffer.isBuffer(input)) {
const msg = `This method only supports Buffer but input was: ${input}`;
throw new Error(msg);
}
};
exports.assertIsBuffer = assertIsBuffer;
/**
* Throws if input is not an array
* @param {number[]} input value to check
*/
const assertIsArray = function (input) {
if (!Array.isArray(input)) {
const msg = `This method only supports number arrays but input was: ${input}`;
throw new Error(msg);
}
};
exports.assertIsArray = assertIsArray;
/**
* Throws if input is not a string
* @param {string} input value to check
*/
const assertIsString = function (input) {
if (typeof input !== 'string') {
const msg = `This method only supports strings but input was: ${input}`;
throw new Error(msg);
}
};
exports.assertIsString = assertIsString;
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