Crate use_package_json 

use-package-json

package.json metadata primitives for RustUse.

Experimental

use-package-json is experimental while use-js remains below 0.3.0.

Example

use use_package_json::{DependencyKind, PackageJson, PackageName, PackageScript, PackageScriptName, PackageType, PackageVersion};

let manifest = PackageJson::new()
    .with_name(PackageName::new("@rustuse/example")?)
    .with_version(PackageVersion::new("0.1.0")?)
    .with_package_type(PackageType::Module)
    .with_script(PackageScriptName::new("test")?, PackageScript::new("vitest")?)
    .with_dependency(DependencyKind::Dependencies, PackageName::new("react")?, PackageVersion::new("^18")?);

assert!(manifest.name().is_some_and(PackageName::is_scoped));

Scope

• Lightweight package names, versions, scripts, dependency maps, and package type metadata.
• Optional serde derives behind the serde feature.

Non-goals

• Full npm registry validation.
• JSON parsing or formatting.
• Registry API behavior.

License

Licensed under either Apache-2.0 or MIT.

Structs

PackageJson

Partial practical package.json metadata.

PackageName

Validated package name metadata.

PackageScript

PackageScriptName

PackageVersion

Enums

DependencyKind

package.json dependency section kind.

PackageJsonTextError

Error returned when package metadata text is invalid.

PackageType

package.json package type metadata.

Type Aliases

DependencyMap

Dependency map keyed by package name.