I have this at the end of my .emacs:
(setq-default indent-tabs-mode nil)
(setq tab-stop-list (number-sequence 2 120 2))
It works fine in other modes – whenever I tab, it adds two spaces. But in js2-mode, it adds 4.
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43
You can set js2-basic-offset to 2.
M-x customize-variable- Enter
js2-basic-offset - Set the value to 2
Then Apply and Save button in the customize option buffer. This will add an item to set the variable into .emacs or init.el file.
ntalbs
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I have this set, and in some cases uses 2, but in other cases it uses 4. – Ashnur Mar 27 '16 at 11:11
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When I do this, anything at two levels of indentation becomes a tab, instead of four spaces. How do I prevent that? – Dan Jones Aug 25 '17 at 18:35
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I think setting `indent-tabs-mode` to `nil` will help you. – ntalbs Aug 25 '17 at 22:57
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Thanks! But it would sure be nice if every mode in emacs would use the same name to set index or something close with a mode specific prefix. – Samantha Atkins Mar 19 '18 at 22:19
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Little late here, but if you're like me and keep configurations for major modes in separate files, you can add the following line and it works as well.
(add-hook 'js2-mode-hook (lambda () (setq js2-basic-offset 2)))
Rigotti
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For me js2-basic-offset is an alias to js-indent-level, so I had to change the latter to make it work.
Thomas Fankhauser
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2I haven't tried changing `js2-basic-offset` as a user customized variable as the accepted answer suggest, but to change it as a simple `setq` in a `.emacs`, yours should be the answer, because setting `js2-basic-offset` didn't work to me either. Using `setq-default` for `js2-basic-offset` works as well. – ABu Feb 28 '19 at 17:43
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1Everything else that was recommended seemed to fail. `js2-indent-level` works fine! – Mapsy Jul 07 '19 at 17:30
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@Mapsy, if I don't mistake it should be `js-indent-level`, not `js2-indent-level`. – Andrii Tykhonov Aug 24 '21 at 20:24