Vim noremap seems to have no effect

[kanreki]

I tried mapping 'jk' to <Esc> in insert mode, using the noremap() method; but it didn't seem to have any effect. (The 'jk' trick is a popular substitution for exiting insert mode: example.)

If I instead use the map() method it does work, but I'm in the habit of using "non-recursive" mapping whenever possible, as suggested here.

I wrote a jsbin to demonstrate it: https://jsbin.com/higabaj/edit

I was using Chrome version 85.0.4183.59 on a Chromebook. And CodeMirror version 5.56.0.

[benhormann]

CodeMirror.Vim.mapCommand('jk', 'action', 'exitInsertMode', {}, { context: 'insert' });

If you also want to use jk to get out of visual mode, do the same using exitVisualMode.

Explanation: <Esc> has special handling, it isn't in the key map. (noremap here is not exactly like in Vim). If you noremap to <C-[> or <C-c> instead, it would actually add it to the key map (actually that wouldn't work because they are keyToKey type mappings and that type is excluded, along with ex mappings).

[JianqiaoLu]

please try this:
CodeMirror.Vim.map("jk", "", "insert");

[kanreki]

That didn't work for me. Did you try it on the jsbin demo that I mentioned?

[kanreki]

I'm afraid I don't understand what you're trying to tell me. I'm not using Jupyter. I'm just trying to use CodeMirror on a plain web page, just like in the example I wrote previously: https://jsbin.com/higabaj/edit

…

On Wed, Jan 27, 2021 at 9:27 PM tjlujianqiao ***@***.***> wrote: step 2, means that you need paste the content into the custom.js moreover, only "CodeMirror.Vim.map("jk", "<Esc>", "insert")" matters, you can delete the left two please remember :wq Jianqiao Lu ***@***.***> 于2021年1月28日周四 下午1:24写道： > you can follow the step and set "jk" as <esc> in insert mode in vim/Jupyter > 1.vi ~/.jupyter/custom/custom.js > 2. require([ > 'nbextensions/vim_binding/vim_binding', // depends your installation > ], function() { > // Map jj to <Esc> > CodeMirror.Vim.map("jk", "<Esc>", "insert"); > CodeMirror.Vim.map("jk", "<S-Esc>", "normal"); > CodeMirror.Vim.mapCommand('jk', 'action', 'exitVisualMode', {}, { > context: 'insert' }); > // Swap j/k and gj/gk (Note that <Plug> mappings) > }); > kanreki ***@***.***> 于2021年1月28日周四 下午1:02写道： > >> That didn't work for me. Did you try it on the jsbin demo that I >> mentioned? >> >> — >> You are receiving this because you commented. >> Reply to this email directly, view it on GitHub >> < #6386 (comment) >, >> or unsubscribe >> < https://github.com/notifications/unsubscribe-auth/ANWQNL57ARJE6N5AF3PZGV3S4DVVBANCNFSM4QEEUGIA > >> . >> > — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#6386 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AHXQWYIPHEBGWJ6452DM2PDS4DYSRANCNFSM4QEEUGIA> .

[benhormann]

@tjlujianqiao The markdown formatter allows HTML tags so you need to encode the < symbol as <. Or simply surround code with ` (backticks / grave accent).

I can confirm :imap jk <Esc> works.

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Here noremap is effectively a shorthand for mapCommand; it copies a mapped command. So for keys that are not mapped to a command (e.g. <Esc>), it does nothing. It should throw an error upon failure, would be more helpful.

[kanreki]

Thank you, @benhormann.

My evil twin previously claimed that the CodeMirror.Vim.mapCommand() call that you suggested did not work. However, I see that it actually does work (not sure what was going wrong before).

Also, :imap jk <Esc> as well.