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feat(lsp): diagnostics for deno types and triple-slash refs (#10699)

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Fixes #9823
This commit is contained in:
Kitson Kelly 2021-05-25 12:34:01 +10:00 • committed by GitHub
parent 6044b037fb
commit cd4194a5e4
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 335 additions and 75 deletions
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54
cli/module_graph.rs
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@ -52,6 +52,9 @@ use std::result;
use std::sync::Arc;
use std::sync::Mutex;
use std::time::Instant;
use swc_common::comments::Comment;
use swc_common::BytePos;
use swc_common::Span;
lazy_static::lazy_static! {
/// Matched the `@deno-types` pragma.
@ -188,35 +191,48 @@ pub enum TypeScriptReference {
Types(String),
}
fn match_to_span(comment: &Comment, m: &regex::Match) -> Span {
Span {
lo: comment.span.lo + BytePos((m.start() + 1) as u32),
hi: comment.span.lo + BytePos((m.end() + 1) as u32),
ctxt: comment.span.ctxt,
}
}
/// Determine if a comment contains a triple slash reference and optionally
/// return its kind and value.
pub fn parse_ts_reference(comment: &str) -> Option<TypeScriptReference> {
if !TRIPLE_SLASH_REFERENCE_RE.is_match(comment) {
pub fn parse_ts_reference(
comment: &Comment,
) -> Option<(TypeScriptReference, Span)> {
if !TRIPLE_SLASH_REFERENCE_RE.is_match(&comment.text) {
None
} else if let Some(captures) = PATH_REFERENCE_RE.captures(comment) {
Some(TypeScriptReference::Path(
captures.get(1).unwrap().as_str().to_string(),
} else if let Some(captures) = PATH_REFERENCE_RE.captures(&comment.text) {
let m = captures.get(1).unwrap();
Some((
TypeScriptReference::Path(m.as_str().to_string()),
match_to_span(comment, &m),
))
} else {
TYPES_REFERENCE_RE.captures(comment).map(|captures| {
TypeScriptReference::Types(captures.get(1).unwrap().as_str().to_string())
TYPES_REFERENCE_RE.captures(&comment.text).map(|captures| {
let m = captures.get(1).unwrap();
(
TypeScriptReference::Types(m.as_str().to_string()),
match_to_span(comment, &m),
)
})
}
}
/// Determine if a comment contains a `@deno-types` pragma and optionally return
/// its value.
pub fn parse_deno_types(comment: &str) -> Option<String> {
if let Some(captures) = DENO_TYPES_RE.captures(comment) {
if let Some(m) = captures.get(1) {
Some(m.as_str().to_string())
} else if let Some(m) = captures.get(2) {
Some(m.as_str().to_string())
} else {
panic!("unreachable");
}
pub fn parse_deno_types(comment: &Comment) -> Option<(String, Span)> {
let captures = DENO_TYPES_RE.captures(&comment.text)?;
if let Some(m) = captures.get(1) {
Some((m.as_str().to_string(), match_to_span(comment, &m)))
} else if let Some(m) = captures.get(2) {
Some((m.as_str().to_string(), match_to_span(comment, &m)))
} else {
None
unreachable!();
}
}
@ -327,7 +343,7 @@ impl Module {
// parse out any triple slash references
for comment in parsed_module.get_leading_comments().iter() {
if let Some(ts_reference) = parse_ts_reference(&comment.text) {
if let Some((ts_reference, _)) = parse_ts_reference(&comment) {
let location = parsed_module.get_location(&comment.span);
match ts_reference {
TypeScriptReference::Path(import) => {
@ -392,7 +408,7 @@ impl Module {
// Parse out any `@deno-types` pragmas and modify dependency
let maybe_type = if !desc.leading_comments.is_empty() {
let comment = desc.leading_comments.last().unwrap();
if let Some(deno_types) = parse_deno_types(&comment.text).as_ref() {
if let Some((deno_types, _)) = parse_deno_types(&comment).as_ref() {
Some(self.resolve_import(deno_types, Some(location.clone()))?)
} else {
None