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metamask-extension/shared/modules/buffer-utils.js
Mark Stacey 3732c5f71e
Add JSDoc ESLint rules (#12112)
ESLint rules have been added to enforce our JSDoc conventions. These
rules were introduced by updating `@metamask/eslint-config` to v9.

Some of the rules have been disabled because the effort to fix all lint
errors was too high. It might be easiest to enable these rules one
directory at a time, or one rule at a time.

Most of the changes in this PR were a result of running
`yarn lint:fix`. There were a handful of manual changes that seemed
obvious and simple to make. Anything beyond that and the rule was left
disabled.
2022-01-07 12:27:33 -03:30

18 lines
642 B
JavaScript

import { toBuffer as ethUtilToBuffer, isHexString } from 'ethereumjs-util';
/**
* Returns a buffer from the provided input, via ethereumjs-util.toBuffer but
* additionally handling non hex strings. This is a failsafe as in most cases
* we should be primarily dealing with hex prefixed strings with this utility
* but we do not want to break the extension for users.
*
* @param {import('ethereumjs-util').ToBufferInputTypes | string} input
* @returns {Buffer}
*/
export function toBuffer(input) {
if (typeof input === 'string' && isHexString(input) === false) {
return Buffer.from(input);
}
return ethUtilToBuffer(input);
}