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Blogs » Use Vim as a TypeScript IDE

This is a general guide for using SpaceVim as a TypeScript IDE, including layer configuration and usage. Each of the following sections will be covered:

Enable language layer

By default lang#typescript layer is not loaded. To add TypeScript language support in SpaceVim, you need to enable the lang#typescript layer. Press SPC f v d to open SpaceVim configuration file, and add following configuration:

[[layers]]
  name = "lang#typescript"

for more info, you can read the lang#typescript layer documentation.

Code completion

lang#typescript layer will load the typescript plugins automatically, unless overriden in your init.toml. The completion menu will be opened as you type.

ts

Syntax linting

The checkers layer is enabled by default. This layer provides asynchronous syntax linting via neomake. It will run tslint asynchronously.

To install eslint, just run following command in terminal.

npm install -g tslint

Jump to test file

SpaceVim use built-in plugin to manage the files in a project, you can add a .project_alt.json to the root of your project with following content:

{
  "src/*.ts": {"alternate": "test/{}.ts"},
  "test/*.ts": {"alternate": "src/{}.ts"}
}

with this configuration, you can jump between the source code and test file via command :A.

running code

To run code in current buffer, you can press SPC l r, and a split window will be opened, the output will be shown in this window. It is running asynchronously, and will not block your vim.

tsrunner

Code formatting

The format layer is also enabled by default, with this layer you can use key binding SPC b f to format current buffer. Before using this feature, please install the command line tool tsfmt.

npm install -g typescript-formatter

REPL support

Start a ts-node -i inferior REPL process with SPC l s i. After the REPL process has been started, you can send code to inferior process, all key bindings begins with SPC l s prefix, including sending line, sending selection or even send whole buffer.

NOTE: repl support for typescript has not be implemented, because the ts-node -i do not fflush stdout, see ts-node #1013.

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