mirror of
https://github.com/denoland/deno
synced 2024-07-07 20:06:37 +00:00
e5e2c45998
* Uses diagnostics from deno_ast * Real fix for https://github.com/denoland/deno/pull/22310 * Moves `deno lint --json` code here * Upgrades swc Closes #22117 Closes #22109 Closes #21927 Closes #20993
107 lines
3.1 KiB
Rust
107 lines
3.1 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use std::borrow::Cow;
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use deno_ast::CjsAnalysis;
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use deno_ast::MediaType;
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use deno_ast::ModuleSpecifier;
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use deno_core::error::AnyError;
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use deno_runtime::deno_fs;
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use deno_runtime::deno_node::analyze::CjsAnalysis as ExtNodeCjsAnalysis;
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use deno_runtime::deno_node::analyze::CjsCodeAnalyzer;
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use deno_runtime::deno_node::analyze::NodeCodeTranslator;
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use crate::cache::NodeAnalysisCache;
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use crate::util::fs::canonicalize_path_maybe_not_exists;
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pub type CliNodeCodeTranslator = NodeCodeTranslator<CliCjsCodeAnalyzer>;
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/// Resolves a specifier that is pointing into a node_modules folder.
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///
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/// Note: This should be called whenever getting the specifier from
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/// a Module::External(module) reference because that module might
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/// not be fully resolved at the time deno_graph is analyzing it
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/// because the node_modules folder might not exist at that time.
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pub fn resolve_specifier_into_node_modules(
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specifier: &ModuleSpecifier,
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) -> ModuleSpecifier {
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specifier
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.to_file_path()
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.ok()
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// this path might not exist at the time the graph is being created
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// because the node_modules folder might not yet exist
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.and_then(|path| canonicalize_path_maybe_not_exists(&path).ok())
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.and_then(|path| ModuleSpecifier::from_file_path(path).ok())
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.unwrap_or_else(|| specifier.clone())
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}
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pub struct CliCjsCodeAnalyzer {
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cache: NodeAnalysisCache,
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fs: deno_fs::FileSystemRc,
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}
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impl CliCjsCodeAnalyzer {
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pub fn new(cache: NodeAnalysisCache, fs: deno_fs::FileSystemRc) -> Self {
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Self { cache, fs }
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}
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fn inner_cjs_analysis(
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&self,
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specifier: &ModuleSpecifier,
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source: &str,
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) -> Result<CjsAnalysis, AnyError> {
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let source_hash = NodeAnalysisCache::compute_source_hash(source);
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if let Some(analysis) = self
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.cache
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.get_cjs_analysis(specifier.as_str(), &source_hash)
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{
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return Ok(analysis);
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}
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let media_type = MediaType::from_specifier(specifier);
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if media_type == MediaType::Json {
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return Ok(CjsAnalysis {
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exports: vec![],
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reexports: vec![],
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});
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}
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let parsed_source = deno_ast::parse_script(deno_ast::ParseParams {
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specifier: specifier.clone(),
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text_info: deno_ast::SourceTextInfo::new(source.into()),
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media_type,
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capture_tokens: true,
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scope_analysis: false,
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maybe_syntax: None,
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})?;
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let analysis = parsed_source.analyze_cjs();
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self
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.cache
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.set_cjs_analysis(specifier.as_str(), &source_hash, &analysis);
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Ok(analysis)
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}
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}
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impl CjsCodeAnalyzer for CliCjsCodeAnalyzer {
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fn analyze_cjs(
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&self,
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specifier: &ModuleSpecifier,
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source: Option<&str>,
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) -> Result<ExtNodeCjsAnalysis, AnyError> {
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let source = match source {
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Some(source) => Cow::Borrowed(source),
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None => Cow::Owned(
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self
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.fs
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.read_text_file_sync(&specifier.to_file_path().unwrap())?,
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),
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};
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let analysis = self.inner_cjs_analysis(specifier, &source)?;
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Ok(ExtNodeCjsAnalysis {
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exports: analysis.exports,
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reexports: analysis.reexports,
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})
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}
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}
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