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did_you_mean without dependency (#2610)

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This commit is contained in:
Chris Gillespie
2020-09-28 20:32:29 -07:00
committed by GitHub
parent 18909ec14a
commit cf43b74f26
8 changed files with 109 additions and 104 deletions
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29
crates/nu-cli/src/evaluate/evaluator.rs
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@ -1,5 +1,6 @@
use crate::command_registry::CommandRegistry;
use crate::commands::classified::block::run_block;
use crate::did_you_mean;
use crate::evaluate::operator::apply_operator;
use crate::prelude::*;
use async_recursion::async_recursion;
@ -148,24 +149,18 @@ pub(crate) async fn evaluate_baseline_expr(
match next {
Err(err) => {
let possibilities = item.data_descriptors();
if let UnspannedPathMember::String(_name) = &member.unspanned {
let possible_matches = did_you_mean(&item, member.as_string());
if let UnspannedPathMember::String(name) = &member.unspanned {
let mut possible_matches: Vec<_> = possibilities
.iter()
.map(|x| (natural::distance::levenshtein_distance(x, &name), x))
.collect();
possible_matches.sort();
if !possible_matches.is_empty() {
return Err(ShellError::labeled_error(
"Unknown column",
format!("did you mean '{}'?", possible_matches[0].1),
&member.span,
));
} else {
return Err(err);
match possible_matches {
Some(p) => {
return Err(ShellError::labeled_error(
"Unknown column",
format!("did you mean '{}'?", p[0]),
&member.span,
));
}
None => return Err(err),
}
}
}