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doc: document readline keybindings #20825

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doc: document readline keybindings #20825

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13ecfa3
doc: adds handeled tty write keybindings
shobhitchittora May 18, 2018
60165b7
doc: add the keybindings to readline doc. Also -
shobhitchittora May 21, 2018
c39f8b6
doc: fixes as per review comments
shobhitchittora May 24, 2018
2faec19
doc: highlighting code + capital case description
shobhitchittora May 24, 2018
e3d38dd
doc: fixes typo
shobhitchittora May 24, 2018
76d462c
doc: adds description for ctrl+z
shobhitchittora May 26, 2018
67e3d92
doc: fixes line warnings + removes nbsp;
shobhitchittora May 27, 2018
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105 changes: 104 additions & 1 deletion doc/api/readline.md
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Expand Up @@ -287,7 +287,8 @@ added: v0.1.98

The `rl.write()` method will write either `data` or a key sequence identified
by `key` to the `output`. The `key` argument is supported only if `output` is
a [TTY][] text terminal.
a [TTY][] text terminal. See [`TTY keybindings`][] for a list of key
combinations.

If `key` is specified, `data` is ignored.

Expand Down Expand Up @@ -527,6 +528,107 @@ rl.on('line', (line) => {
});
```

## TTY keybindings

<table>
<tr>
<th>Keybindings</th>
<th>Description</th>
</tr>
<tr>
<td><code>ctrl+shift+backspace</code></td>
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Suggestion: add whitespace between the individual commands and maybe also only highlight the keys, not the plus. As in: <code>ctrl</code> + <code>shift</code> + <code>backspace</code>

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Any reason these are wrapped in <code> and not <kbd>?

<td>delete line left</td>
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Not a must but I personally would prefer the descriptions all to start with a upper case character.

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done.

</tr>
<tr>
<td><code>ctrl+shift+delete</code></td>
<td>delete line right</td>
</tr>
<tr>
<td><code>ctrl+c</code></td>
<td>emits SIGINT</td>
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emits -> emit for consistency with other cells?

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done

</tr>
<tr>
<td><code>ctrl+h</code></td>
<td>delete left</td>
</tr>
<tr>
<td><code>ctrl+d</code></td>
<td>delete right or EOF</td>
</tr>
<tr>
<td><code>ctrl+u</code></td>
<td>delete from current to line start</td>
</tr>
<tr>
<td><code>ctrl+k</code></td>
<td>delete from current to end of line</td>
</tr>
<tr>
<td><code>ctrl+a</code></td>
<td>goto start of line</td>
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goto -> go to?

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done

</tr>
<tr>
<td><code>ctrl+e</code></td>
<td>goto to end of line</td>
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goto to -> go to?

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done

</tr>
<tr>
<td><code>ctrl+b</code></td>
<td>back one character</td>
</tr>
<tr>
<td><code>ctrl+f</code></td>
<td>forward one character</td>
</tr>
<tr>
<td><code>ctrl+l</code></td>
<td>clear screen </td>
</tr>
<tr>
<td><code>ctrl+n</code></td>
<td>next history item</td>
</tr>
<tr>
<td><code>ctrl+p</code></td>
<td>prev history item </td>
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prev -> previous for more formal style?

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done.

</tr>
<tr>
<td><code>ctrl+z</code></td>
<td>(need clarification)</td>
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@shobhitchittora shobhitchittora May 24, 2018 •
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Hey team.
Need clarification on this keybinding. I cannot think of a description for this. Can someone help with this?

cc @BridgeAR @vsemozhetbyt

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I do not know, sorry(

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@BridgeAR I found this for ctrl + z -
https://nodejs.org/api/readline.html#readline_event_sigtstp

If it's fine we can either ref to this or take the first paragraph and add here.

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Please document it as e.g.: Moves running process into background. Type 'fg' and press 'enter' to return..

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done.

</tr>
<tr>
<td><code>ctrl+w</code> or <code>ctrl+backspace</code></td>
<td>delete backwards to a word boundary</td>
</tr>
<tr>
<td><code>ctrl+delete</code></td>
<td>delete forward to a word boundary</td>
</tr>
<tr>
<td><code>ctrl+left</code></td>
<td>word left </td>
</tr>
<tr>
<td><code>ctrl+right</code></td>
<td>word right</td>
</tr>
<tr>
<td><code>meta+b</code></td>
<td>word left</td>
</tr>
<tr>
<td><code>meta+f</code></td>
<td>word right</td>
</tr>
<tr>
<td><code>meta+d</code> or <code>meta+delete</code></td>
<td>delete word right</td>
</tr>
<tr>
<td><code>meta+backspace</code></td>
<td>delete word left </td>
</tr>
</table>

[`'SIGCONT'`]: readline.html#readline_event_sigcont
[`'SIGTSTP'`]: readline.html#readline_event_sigtstp
[`process.stdin`]: process.html#process_process_stdin
Expand All @@ -535,3 +637,4 @@ rl.on('line', (line) => {
[TTY]: tty.html
[Writable]: stream.html#stream_writable_streams
[reading files]: #readline_example_read_file_stream_line_by_line
[`TTY keybindings`]: #readline_tty_keybindings
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It seems we do not need backticks in this case (this is not a code fragment). So this should be [TTY keybindings] and go after the [TTY]: (as per ASCII sorting we use in reference lists).

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done

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We need the same fix in the text)

3 changes: 3 additions & 0 deletions doc/api/repl.md
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Expand Up @@ -67,6 +67,8 @@ The following key combinations in the REPL have these special effects:
variables. When pressed while entering other input, displays relevant
autocompletion options.

For a full list of special keys, refer [`TTY keybindings`][].
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refer -> refer to?

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done


### Default Evaluation

By default, all instances of `repl.REPLServer` use an evaluation function that
Expand Down Expand Up @@ -634,3 +636,4 @@ For an example of running a REPL instance over [curl(1)][], see:
[`util.inspect()`]: util.html#util_util_inspect_object_options
[curl(1)]: https://curl.haxx.se/docs/manpage.html
[stream]: stream.html
[`TTY keybindings`]: readline.html#readline_tty_keybindings
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It seems we do not need backticks in this case (this is not a code fragment). So this should be [TTY keybindings] and go before the [curl(1)]: (as per ASCII sorting we use in reference lists).

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done.

2 changes: 1 addition & 1 deletion doc/api/tty.md
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Expand Up @@ -161,4 +161,4 @@ integer.
[`net.Socket`]: net.html#net_class_net_socket
[`process.stdin`]: process.html#process_process_stdin
[`process.stdout`]: process.html#process_process_stdout
[`process.stderr`]: process.html#process_process_stderr
[`process.stderr`]: process.html#process_process_stderr
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Missing line break at the end of the file?

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done