app code and test code should have different global variables). Inside the project, we use Project References to ensure correct types for code running in different environments (e.g. The base config is abstracted in the package. Projects scaffolded via create-vue include pre-configured tsconfig.json.
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Other JetBrains IDEs support them too, either out of the box or via a free plugin. WebStorm also provides out-of-the-box support for both TypeScript and Vue. TypeScript Vue Plugin is also needed to get type support for *.vue imports in TS files. If you have Vetur currently installed, make sure to disable it in Vue 3 projects. Volar replaces Vetur, our previous official VSCode extension for Vue 2. Volar is the official VSCode extension that provides TypeScript support inside Vue SFCs, along with many other great features. Visual Studio Code (VSCode) is strongly recommended for its great out-of-the-box support for TypeScript. Vue CLI also provides TypeScript support, but is no longer recommended. You can run vue-tsc in watch mode in parallel to the Vite dev server, or use a Vite plugin like vite-plugin-checker which runs the checks in a separate worker thread. It works largely the same as tsc except that it supports Vue SFCs in addition to TypeScript files. vue-tsc is a wrapper around tsc, TypeScript's own command line interface. If using SFCs, use the vue-tsc utility for command line type checking and type declaration generation. This ensures the Vite dev server stays blazing fast even when using TypeScript.ĭuring development, we recommend relying on a good IDE setup for instant feedback on type errors.
With a Vite-based setup, the dev server and the bundler are transpilation-only and do not perform any type-checking.
Project Setup Ĭreate-vue, the official project scaffolding tool, offers the options to scaffold a Vite-powered, TypeScript-ready Vue project. All official Vue packages come with bundled type declarations that should work out-of-the-box. Vue is written in TypeScript itself and provides first-class TypeScript support. TypeScript also improves developer ergonomics via type-based auto-completion in IDEs. This reduces the chance of runtime errors in production, and also allows us to more confidently refactor code in large-scale applications. This version is helpful in the production environment because the file size is significantly smaller.A type system like TypeScript can detect many common errors via static analysis at build time. If you added the minified, choose Release. This version is helpful in the development environment, especially for debugging. In the Type field, specify which version you have downloaded and are going to add. WebStorm returns to the New Library dialog box where the Name read-only field shows the name of the selected files or folder. Select the Angular.js or, or an entire directory in the dialog box that opens. In the New Library dialog box that opens, specify the name of the library.Ĭlick the Add button add next to the list of library files and choose Attach Files or Attach Directory on the context menu, depending of whether you need separate files or an entire folder. In the Libraries area, click the Add button. Open the Settings dialog box, and click JavaScript Libraries.
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Configure AngularJS as a WebStorm JavaScript library, to let WebStorm recognize AngularJS-specific structures and provide full coding assistance:
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