#Eslint webstorm code
Thanks for reading and happy coding! Voir le code source (Stack: Next.WebStorm comes with the function of Reformat Code, but it conflicts with the rules of ESLint and Prettier, so you must configure ESLint in WebStorm to use its code hint and Prettier to use its format function. Official Next.js TypeScript documentation:
#Eslint webstorm install
If you clone this repository, don't forget to run yarn husky install to enable husky That's all folks! You can have a look at the end result here: You are now ready to write beautiful TypeScript code without having to worry about committing anything dirty! :) and only prettier will run on commit! Good job reading this far! git reset # un-add files echo "Hello!" > README.md # Edit README.md On commit, you will see that only the prettier script will be run, and not the other ones. Now try editing and committing the README.md file. git add test.ts # Add a file with TypeScript errors. If it contains errors, you won't be able to commit it. Try committing the test.ts file from earlier. Yarn lint-staged # Replace the last line with "yarn lint-staged"
Now we need to change our pre-commit hook (in the. We have to separate prettier format of TS files and other files, because we don't want ESLint to fix errors in TS files and at the same time having Prettier format the files: that would results in conflicts.įor the TypeScript ( tsc) command, we don't pass filenames as TypeScript cannot be run on isolated files. We have separated TypeScript checks and ESLint checks into 2 matchers so that they can be run in parallel. As property values, you have the command(s) that will be run against the changed files.Įach matcher will be run in parallel, but the array values will be run in sequence. eslintrc.json file with: `,Īs property names, you have the file matchers. To have a nice set of eslint rules, I suggest you install the package yarn add -dev you can replace your. vscode which contains the settings.json file. Also double check that you did not forget the leading dot for the folder. If it did not work, try closing and reopening VSCode. Try saving the file: VSCode should automatically convert the let into a const. Now, create a test.ts file containing: export let APP_VERSION = "v1.0.0"
Let's try if it worked! Add the prefer-const rule to the. vscode/settings.json file with the following content: //. I also recommend you tell VSCode to auto-fix eslint errors on save. To make eslint errors visible in VSCode, you need to install the ESLint plugin. You can run eslint with the following command: yarn eslint. cd my-appĮslint is installed by default (you should see the dependency in package.json). Jump to the generated source code and open up VSCode. This will create a bunch of boilerplate files which help you get started, including a basic. The easiest and recommended way to get started is to use create-next-app: yarn create next-app -typescript Note: we will use yarn instead of npm throughout this post. Note: you can have a look at the end result here: /paulintrognon/next-typescript
#Eslint webstorm how to
In this post, we will learn how to configure ESLint to make it work with Prettier within a Next.js app, and finally how to integrate this tooling with Visual Studio Code.
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