Hey, I'm currently working on a project and in the tsconfig.json file, there's this line:
lib:["2016", "DOM"]
Do you know what its purpose is?
I did some research and came across this information:
This setting specifies the library files to include in the compilation. It requires TypeScript version 2.0 or higher.
Can you give me more details about what this means exactly?
This new feature in Typescript 2 is still in need of proper documentation, but you can find information about it on the Typescript 2.0 update:
By using the --lib flag, you are able to specify which built-in API declaration groups should be included in your project. For example, if you anticipate that your runtime environment will support Map, Set, and Promise (common in modern browsers), simply include --lib es2015.collection,es2015.promise. Conversely, you can exclude specific declarations by using --lib es5,es6 for a node project that does not require DOM support.
The link also provides a list of supported API groups along with a brief example.
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