globals declarations with TypeScript -


does following style of declaration in typescript files?

/* globals console define require react async */

or there different way typescript?

no has no effect on typescript compiler.

what globals in scope typically selected choosing 1 of predefined library settings in typescript compiler options, example command line

tsc --lib es5,dom

brings global scope declared in files lib.es5.d.ts , lib.dom.d.ts supplied compiler.

if lib.dom.d.ts can see how example window declared there:

declare var window: window;

window interface defined earlier in file.

you can same own global variables - can create own .d.ts file containing declare var @ top level, , include file in compilation either on command line or adding files in tsconfig.json.

everything installed in node_modules/@types included in compilation default, every global declared these typings in scope, unless limit setting "typeroots" or "types" in tsconfid.json.

also, if use library import, add globals declared in library type declaration file (and in type declaration files dependencies referenced import or /// reference directive).


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