ng lint command - How can I execute it on only one typescript file?

Question

I am using "ng lint" command from the latest 'angular cli'.

Is it possible to run this command on only one typescript file instead of running on all the typescript files in the entire project ?

Thanks Adam

Manu Janardhanan · Answer 1 · 2022-02-17T06:28:40.343

26

For 10.1.7+ versions of angular cli use --lint-file-patterns

ng lint --lint-file-patterns src/app/app.component.ts

edited Feb 17 '22 at 06:28

answered Dec 03 '21 at 11:52

Manu Janardhanan

To clarify, this is for v10.1.7. and above. I am still on version 10.1.1 and had to use the `--files` switch as per one of the other answers. – James Wiseman Feb 16 '22 at 12:07
You can lint all files in a specified folder using e.g. `ng lint --lint-file-patterns src/app/` – Chris Halcrow May 02 '23 at 08:22

score 23 · Answer 2 · answered Oct 20 '19 at 12:55

23

As of Angular CLI version 8, you can lint a single file with

ng lint --files src/app/app.component.ts

answered Oct 20 '19 at 12:55

Eonasdan

15

Not sure when and if `--files` option was removed from angular cli. I'm using cli v10.1.7, and the option is no longer available. Instead I used `--lint-file-patterns` – philip yoo May 12 '21 at 17:53
2

I agree with @philipyoo, --files are not working with angular cli latest versions like 11 or 12. – Manu Janardhanan Dec 03 '21 at 11:48
Yeah, this answer is still valid for my current version (10.1.1) – James Wiseman Feb 16 '22 at 12:08

score 1 · Answer 3 · answered Apr 04 '18 at 11:22

1

An easy workaround: ng lint | grep nameofyourfile?

answered Apr 04 '18 at 11:22

millerf

3

OP just wants a single file linted, while this still lints the entire project – Nicholas Smith Nov 10 '21 at 20:45

score -1 · Answer 4 · answered Sep 11 '18 at 05:17

I know I am late to the party but someone else could benefit from this. We face the same issue and to solve this I have created a package

It is fairly simple package - you just need to pass command
lintone file name <file-name>

and it will display lint error associated to that file

4 Answers4