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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::serde_json;
use deno_runtime::deno_webstorage::rusqlite::params;
use crate::node::CliCjsAnalysis;
use super::cache_db::CacheDB;
use super::cache_db::CacheDBConfiguration;
use super::cache_db::CacheFailure;
use super::CacheDBHash;
pub static NODE_ANALYSIS_CACHE_DB: CacheDBConfiguration =
CacheDBConfiguration {
table_initializer: concat!(
"CREATE TABLE IF NOT EXISTS cjsanalysiscache (",
"specifier TEXT PRIMARY KEY,",
"source_hash INTEGER NOT NULL,",
"data TEXT NOT NULL",
");"
),
on_version_change: "DELETE FROM cjsanalysiscache;",
preheat_queries: &[],
on_failure: CacheFailure::InMemory,
};
#[derive(Clone)]
pub struct NodeAnalysisCache {
inner: NodeAnalysisCacheInner,
}
impl NodeAnalysisCache {
pub fn new(db: CacheDB) -> Self {
Self {
inner: NodeAnalysisCacheInner::new(db),
}
}
fn ensure_ok<T: Default>(res: Result<T, AnyError>) -> T {
match res {
Ok(x) => x,
Err(err) => {
// TODO(mmastrac): This behavior was inherited from before the refactoring but it probably makes sense to move it into the cache
// at some point.
// should never error here, but if it ever does don't fail
if cfg!(debug_assertions) {
panic!("Error using esm analysis: {err:#}");
} else {
log::debug!("Error using esm analysis: {:#}", err);
}
T::default()
}
}
}
pub fn get_cjs_analysis(
&self,
specifier: &str,
expected_source_hash: CacheDBHash,
) -> Option<CliCjsAnalysis> {
Self::ensure_ok(
self.inner.get_cjs_analysis(specifier, expected_source_hash),
)
}
pub fn set_cjs_analysis(
&self,
specifier: &str,
source_hash: CacheDBHash,
cjs_analysis: &CliCjsAnalysis,
) {
Self::ensure_ok(self.inner.set_cjs_analysis(
specifier,
source_hash,
cjs_analysis,
));
}
}
#[derive(Clone)]
struct NodeAnalysisCacheInner {
conn: CacheDB,
}
impl NodeAnalysisCacheInner {
pub fn new(conn: CacheDB) -> Self {
Self { conn }
}
pub fn get_cjs_analysis(
&self,
specifier: &str,
expected_source_hash: CacheDBHash,
) -> Result<Option<CliCjsAnalysis>, AnyError> {
let query = "
SELECT
data
FROM
cjsanalysiscache
WHERE
specifier=?1
AND source_hash=?2
LIMIT 1";
let res = self.conn.query_row(
query,
params![specifier, expected_source_hash],
|row| {
let analysis_info: String = row.get(0)?;
Ok(serde_json::from_str(&analysis_info)?)
},
)?;
Ok(res)
}
pub fn set_cjs_analysis(
&self,
specifier: &str,
source_hash: CacheDBHash,
cjs_analysis: &CliCjsAnalysis,
) -> Result<(), AnyError> {
let sql = "
INSERT OR REPLACE INTO
cjsanalysiscache (specifier, source_hash, data)
VALUES
(?1, ?2, ?3)";
self.conn.execute(
sql,
params![
specifier,
source_hash,
&serde_json::to_string(&cjs_analysis)?,
],
)?;
Ok(())
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
pub fn node_analysis_cache_general_use() {
let conn = CacheDB::in_memory(&NODE_ANALYSIS_CACHE_DB, "1.0.0");
let cache = NodeAnalysisCacheInner::new(conn);
assert!(cache
.get_cjs_analysis("file.js", CacheDBHash::new(2))
.unwrap()
.is_none());
let cjs_analysis = CliCjsAnalysis::Cjs {
exports: vec!["export1".to_string()],
reexports: vec!["re-export1".to_string()],
};
cache
.set_cjs_analysis("file.js", CacheDBHash::new(2), &cjs_analysis)
.unwrap();
assert!(cache
.get_cjs_analysis("file.js", CacheDBHash::new(3))
.unwrap()
.is_none()); // different hash
let actual_cjs_analysis = cache
.get_cjs_analysis("file.js", CacheDBHash::new(2))
.unwrap()
.unwrap();
assert_eq!(actual_cjs_analysis, cjs_analysis);
// adding when already exists should not cause issue
cache
.set_cjs_analysis("file.js", CacheDBHash::new(2), &cjs_analysis)
.unwrap();
// recreating with same cli version should still have it
let conn = cache.conn.recreate_with_version("1.0.0");
let cache = NodeAnalysisCacheInner::new(conn);
let actual_analysis = cache
.get_cjs_analysis("file.js", CacheDBHash::new(2))
.unwrap()
.unwrap();
assert_eq!(actual_analysis, cjs_analysis);
// now changing the cli version should clear it
let conn = cache.conn.recreate_with_version("2.0.0");
let cache = NodeAnalysisCacheInner::new(conn);
assert!(cache
.get_cjs_analysis("file.js", CacheDBHash::new(2))
.unwrap()
.is_none());
}
}
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