To open the Problems tool window, click the Inspections widget in the upper-right corner of the editor.Īlternatively select View | Tool windows | Problems from the main menu or press Alt+6.

IntelliJ IDEA shows a tooltip with a description of the problem.Īpply the suggested quick-fix or click More actions and select the relevant one from the list.Īlternatively open the File tab of the Problems tool window Alt+6, where you can view problem descriptions, apply quick-fixes, navigate to the fragments in the source code where errors occurred, as well as fix them in the Editor Preview pane without leaving the tool window. In the editor, hover over the highlighted problem.

To open the tool window, click the Inspection widget in the upper-right corner of the editor:įor more information, refer to View problems and apply quick-fixes in the editor and Problems tool window. IntelliJ IDEA verifies TypeScript code mainly based on the data from the TypeScript Language Service which also compiles TypeScript into JavaScript.ĭescriptions of the errors detected in the current file and quick-fixes for them are available from the editor and from the File tab of the Problems tool window.Įrrors across the entire project and quick-fixes for them are shown in the Project Errors tab of the Problems tool window. Projects created from the Welcome screen or via File | New | Project as described in are automatically considered trusted. That means the project is initialized, project's plugins are resolved, dependencies are added, and all IntelliJ IDEA features are available.ĭon't Open: in this case, IntelliJ IDEA doesn't open the project. Trust Project: in this case, IntelliJ IDEA opens and loads a project. IntelliJ IDEA displays a notification on top of the editor area, and you can click the Trust project… link and load your project at any time. It means that you can browse the project's sources but you cannot run tasks and script or run/debug your project. Preview in Safe Mode: in this case, IntelliJ IDEA opens the project in a preview mode. When you open a project that was created outside IntelliJ IDEA and was imported into it, IntelliJ IDEA displays a dialog where you can decide how to handle this project with unfamiliar source code. For more information, refer to Check out a project (clone). In the dialog that opens, select your version control system from the list and specify the repository to check out the application sources from. Instead of Git in the main menu, you may see any other Version Control System that is associated with your project. In the dialog that opens, select the folder where your sources are stored.Ĭheck out the application sources from your version controlĬlick Get from VCS on the Welcome screen.Īlternatively, select File | New | Project from Version Control or Git | Clone… from the main menu. Open the application sources that are already on your machineĬlick Open or Import on the Welcome screen or select File | Open from the main menu. Optionally download the required npm dependencies. If you are going to continue developing an existing TypeScript application, just open it in IntelliJ IDEA. Start with an existing TypeScript application

Name the new project and change its location if necessary, then click Create. In the right-hand pane, select JavaScript in the Language area. In the New Project dialog, select New Project in the left-hand pane. Select File | New | Project from the main menu or click the New Project button on the Welcome screen. For more information about plugins, refer to Managing plugins. In the search field, type JavaScript and TypeScript. Press Control+Alt+S to open the IDE settings and then select Plugins. Make sure the JavaScript and TypeScript plugin is enabled in the settings. Learn more from Compiling TypeScript into JavaScript. IntelliJ IDEA also verifies TypeScript code on the fly and shows errors in a dedicated Problems tool window.Ĭompilation errors are reported in the TypeScript tool window. TypeScript-aware coding assistance includes completion for keywords, labels, variables, parameters, and functions, error and syntax highlighting, formatting, numerous code inspections and quick-fixes, as well as common and TypeScript-specific refactoring. TypeScript files are marked with the icon. tsx files and provides full range of coding assistance for editing them without any additional steps from your side. IntelliJ IDEA supports developing, running, and debugging TypeScript source code.

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