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json-rpc-safe

fork of safe-event-emitter

An EventEmitter that isolates the emitter from errors in handlers. If an error is thrown in a handler it is caught and re-thrown inside of a setTimeout so as to not interrupt the emitter's code flow.

The API is the same as a core EventEmitter.

Install

npm i json-rpc-safe

Usage

import SafeEventEmitter from 'json-rpc-safe';

const ee = new SafeEventEmitter();
ee.on('boom', () => { throw new Error(); });
ee.emit('boom'); // No error here

// Error is thrown after setTimeout

Release & Publishing

The project follows the same release process as the other libraries in the MetaMask organization:

  1. Create a release branch
    • For a typical release, this would be based on master
    • To update an older maintained major version, base the release branch on the major version branch (e.g. 1.x)
  2. Update the changelog
  3. Update version in package.json file (e.g. yarn version --minor --no-git-tag-version)
  4. Create a pull request targeting the base branch (e.g. master or 1.x)
  5. Code review and QA
  6. Once approved, the PR is squashed & merged
  7. The commit on the base branch is tagged
  8. The tag can be published as needed