Lerna is a tool for managing JavaScript projects with multiple packages. It allows you to manage the dependencies of and between packages in your project. This tutorial shows you how to add dependencies to a single package in a Lerna-managed project. {{outline}} Install Dependency to Specific Package With Lerna Lerna …

GitHub Actions provide a convenient way to test your project. Typically, you’ll trigger test runs and builds through push or pull request events. When testing lerna monorepos, there’s a nuance that you must keep in mind: the CI environment! This tutorial shows you how to configure lerna to …

In Linux, you can display a list of files and directories using the ls command. By default, ls prints the contents of a directory (files and folders) alphabetically in a column-like layout: $ ls CHANGELOG.md README.md lerna-debug.log node_modules package.json test LICENSE jest.config.js lerna.json …

When using oh-my-zsh, it’s infrequently asking to update itself. If you’re like me, you’re typing command right away when opening a new tab in iTerm. Unless your command starts with y or n, you’re ignoring the update. Oh-my-zsh comes with its own command-line utility omz. You …

When working with strings in JavaScript, you may want to check if a given string contains all values from a list of candidates. JavaScript comes with a String#includes(needle) determining whether the string contains the given needle. You can combine the existing method with array methods to check whether …

When working with arrays in JavaScript, a typical task is to determine whether a given values exists in the array. For example, you may want to ensure that a list of objects contains only items with unique names. This tutorial shows you how to determine whether a JavaScript array includes …

Sometimes you want to display the content in the same format as typed in a textarea. For example, a text from a textarea may contain line breaks or empty lines. The white-space CSS property is helpful displaying the text in the same way it’s provided by the user. No …

Sequelize is a Node.js ORM for all SQL databases, like MySQL, MariaDB, PostgreSQL, SQLite, and Microsoft SQL Server. By default, it logs all SQL queries to the console. This is helpful during development, but also noisy because your terminal is flooded with SQL statements. This tutorial shows you how …