What are the .map files used for in angular-cli and can ng build not create these files?

Question

ng build of angular-cli creates 3 files:

inline.bundle.js
vendor.bundle.js
main.bundle.js

and also a map file for each own. What for?

I

Answer 1

@Madhu's answers disables it for any ng build command. If you want to conditionally or temporarily disable it from your builds run:

Angular 8

ng build --watch --source-map=true/false

Angular 7

ng build --watch --sourcemaps=true/false

Angular 6

ng build --watch --no-sourcemap