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|
package npm
import (
"encoding/json"
"fmt"
"io"
"github.com/knqyf263/go-dep-parser/pkg/types"
)
type LockFile struct {
Dependencies map[string]Dependency
}
type Dependency struct {
Version string
Dev bool
Dependencies map[string]Dependency
}
func Parse(r io.Reader) ([]types.Library, error) {
var lockFile LockFile
decoder := json.NewDecoder(r)
err := decoder.Decode(&lockFile)
if err != nil {
return nil, err
}
unique := map[string]struct{}{}
var libs []types.Library
for pkgName, dependency := range lockFile.Dependencies {
dependencies := dependency.Dependencies
if dependencies == nil {
dependencies = map[string]Dependency{}
}
dependencies[pkgName] = dependency
for pkgName, dependency := range dependencies {
if dependency.Dev {
continue
}
symbol := fmt.Sprintf("%s@%s", pkgName, dependency.Version)
if _, ok := unique[symbol]; ok {
continue
}
libs = append(libs, types.Library{
Name: pkgName,
Version: dependency.Version,
})
unique[symbol] = struct{}{}
}
}
return libs, nil
}
|
