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correctly parse package.json to determine existing dependencies #1483

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correctly parse package.json to determine existing dependencies #1483

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11 changes: 7 additions & 4 deletions src/manifest/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -628,10 +628,13 @@ impl CrateData {
// Check if a `package.json` was already generated by wasm-bindgen, if so
// we merge the NPM dependencies already specified in it.
let existing_deps = if pkg_file_path.exists() {
// It's just a map of dependency names to versions
Some(serde_json::from_str::<HashMap<String, String>>(
&fs::read_to_string(&pkg_file_path)?,
)?)
#[derive(Deserialize)]
struct HasDependencies {
dependencies: HashMap<String, String>,
}
let package =
serde_json::from_str::<HasDependencies>(&fs::read_to_string(&pkg_file_path)?)?;
Some(package.dependencies)
} else {
None
};
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