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add signature information when get help on one command (#7079)

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* add signature information when help on one command

* tell user that one command support operated on cell paths

Also, make type output to be more friendly, like `record<>` should just be `record`

And the same to `table<>`, which should be `table`

* simplify code

* don't show signatures for parser keyword

* update comment

* output arg syntax shape as type, so it's the same as describe command

* fix string when no positional args

* update signature body

* update

* add help signature test

* fix arg output format for composed data type like list or record

* fix clippy

* add comment
This commit is contained in:
WindSoilder
2022-11-20 21:22:42 +08:00
committed by GitHub
parent a896892ac9
commit d01ccd5a54
29 changed files with 258 additions and 55 deletions
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6
crates/nu-cli/src/menus/help_completions.rs
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@ -17,7 +17,7 @@ impl NuHelpCompleter {
//Vec<(Signature, Vec<Example>, bool, bool)> {
let mut commands = full_commands
.iter()
.filter(|(sig, _, _, _)| {
.filter(|(sig, _, _, _, _)| {
sig.name.to_lowercase().contains(&line.to_lowercase())
|| sig.usage.to_lowercase().contains(&line.to_lowercase())
|| sig
@ -31,7 +31,7 @@ impl NuHelpCompleter {
})
.collect::<Vec<_>>();
commands.sort_by(|(a, _, _, _), (b, _, _, _)| {
commands.sort_by(|(a, _, _, _, _), (b, _, _, _, _)| {
let a_distance = levenshtein_distance(line, &a.name);
let b_distance = levenshtein_distance(line, &b.name);
a_distance.cmp(&b_distance)
@ -39,7 +39,7 @@ impl NuHelpCompleter {
commands
.into_iter()
.map(|(sig, examples, _, _)| {
.map(|(sig, examples, _, _, _)| {
let mut long_desc = String::new();
let usage = &sig.usage;