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Converts your TSLint configuration to the closest reasonable ESLint equivalent. The tslint-to-eslint-config command reads in any existing linter, TypeScript, and package configuration files, then creates an .eslintrc.js result based on them. For any TSLint rules with corresponding ESLint equivalents, those equivalents will be used in the new configuration. TSLint rules without ESLint equivalents will be wrapped with eslint-plugin-tslint. If passed without arguments, respects the excludes,...

ESLint plugin for Jest. If you installed ESLint globally then you must also install eslint-plugin-jest globally. Add jest to the plugins section of your .eslintrc configuration file. You can omit the eslint-plugin- prefix. The rules provided by this plugin assume that the files they are checking are test-related. This means it's generally not suitable to include them in your top-level configuration as that applies to all files being linted which can include source files. Since we cache the automatically determined version, if you're linting sub-folders that have different versions of Jest, you may find that the wrong version of Jest is considered when linting. ...

...You can find detailed guides for migrating eslint-plugin-testing-library in the migration guide docs. Add testing-library to the plugins section of your .eslintrc configuration file. You can omit the eslint-plugin- prefix. With the default setup mentioned before, eslint-plugin-testing-library will be run against your whole codebase. You can run this plugin only against your tests files. One way of restricting ESLint config by file patterns is by using ESLint overrides. Another approach for customizing ESLint config by paths is through ESLint Cascading and Hierarchy. ...

...Speeds up TypeScript type checking (by moving it to a separate process). Supports modern TypeScript features like project references and incremental mode. Supports Vue Single File Component. Displays nice error messages with the code frame formatted. This plugin requires Node.js >=12.13.0+, Webpack ^5.11.0, TypeScript ^3.6.0. It's very important to be aware that this plugin uses TypeScript's, not webpack's modules resolution. It means that you have to setup tsconfig.json correctly. Options passed to the plugin constructor will overwrite options from the cosmiconfig (using deepmerge). ...

Monorepo for all the tooling which enables ESLint to lint Angular projects. Follow the latest Getting Started guide on angular.io in order to install the Angular CLI. Create a new Angular CLI workspace in the normal way, optionally using any of the supported command line arguments and following the interactive prompts. As well as installing all relevant dependencies, the ng add command will automatically detect that you have a workspace with a single project in it, which does not have a...

...This gives us server-side rendering, routing, bundle splitting, hot reloading, and much more. However, in development when you visit a page it must first be loaded from the file system and transpiled and bundled by the server, served to the client, and then executed. This means there can be a small delay when loading a web page for the first time in development. In production, this delay should be vastly smaller, and can be eliminated with pre-fetching.

Manually adding types to your codebase can be a daunting task, especially given how much room there is for errors. It’s true that in some cases, the types will be obvious by just reading the code. But when I was adding types to a big project I inherited recently, I found myself actually running the code and setting a breakpoint inside a function to figure out the types that were being passed to it. This gave me an idea: build a tool that does this automatically and much faster, and then call...