eslintrc.js config file:Ĭ:\Users\kenri\projects\foobarbazreact\badcode.jsģ:1 error Unexpected console statement no-consoleĤ:10 error 'q' is already defined no-redeclareĥ:3 error Unexpected console statement no-console ![]() ![]() …which outputs something kind of like this (your errors may vary based on how you edited the file and what you did with the. ![]() We can execute the linter against it like this: Given this suitably horrible fragment of JavaScript: ? What format do you want your config file to be in? JavaScript ? What quotes do you use for strings? Single ? What style of indentation do you use? Spaces ? Are you using ECMAScript 6 features? Yes (picked: Answer questions about your style) ? How would you like to configure ESLint? This can be created (and plugins configured) using:ĮSLint then asks several questions. eslintrc.js (the file can also be formatted using YAML or JSON). Linting rules are defined via a configuration file. It can be installed in an npm project with: One of the more popular linters for JavaScript is ESLint. Eventually interpreted languages came to the fore, and linters became useful tools in build processes, able to spot errors that would normally be caught only at runtime, in the browser. Linters were originally created when compilation tasks took minutes or hours, as a way to run the syntax checking up front. syntax checking of source code, has been around forever. As part of some updates to our React and Friends course, we began looking at tooling again, with an eye toward making it easy for the beginner in React to find syntax errors in JSX code. ![]() Around here a few of us are really starting to dig working with Visual Studio Code for our JavaScript development.
0 Comments
Leave a Reply. |