How VSCode automatically completes js code
vscode originally only had the es native api with automatic completion function, but if you use node .js or its require-related functions are relatively pitiful.
vscode can recognize typings, so typings can be used as a plug-in to expand the functions of vscode.
The specific usage method is as follows:
1. Configure jsconfig.json
Before using typings, you need to configure it in vscode Configure the file named jsconfig.json. The configuration method is very simple. Just select a js file and a small green light bulb will pop up in the lower right corner of vscode, as shown in the picture:
2. Configure jsconfig. json
Click in and the top will prompt
“Create a jsconfig.json to enable richer IntelliSense and code navigation across the entire workspace.”
Select create, vscode will create a jsconfig.json file, the content is roughly as follows:
{ // See https://go.microsoft.com/fwlink/?LinkId=759670 // for the documentation about the jsconfig.json format "compilerOptions": { "target": "es6", "module": "commonjs", "allowSyntheticDefaultImports": true }, "exclude": [ "node_modules", "bower_components", "jspm_packages", "tmp", "temp" ] }
All required The parameters will be set for us. At this time, I am using the jsconfig generated by vscode v1.2.0. The configuration automatically generated by the lower version may be a little less than the one inside, but it does not affect it.
2. Install typings
Use npm to install typings globally
npm install -g typings
3. Install the syntax plug-in
Take installing node.js automatic completion as an example. Use bash or cmd in the project root directory and enter
typings install dt~node --global
where "dt~" means using the DefinitelyTyped type definition. vscode can recognize this definition.
After that, you can see that a new folder "typings" has appeared in the project directory
Now enter process and it will be automatically completed~window You may need to restart vscode to see the effect of auto-completion.
Recommended related articles and tutorials: vscode tutorial
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