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parse-composer-lock.go
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/
parse-composer-lock.go
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package lockfile
import (
"encoding/json"
"fmt"
"os"
)
type ComposerPackage struct {
Name string `json:"name"`
Version string `json:"version"`
Dist struct {
Reference string `json:"reference"`
} `json:"dist"`
}
type ComposerLock struct {
Packages []ComposerPackage `json:"packages"`
PackagesDev []ComposerPackage `json:"packages-dev"`
}
const ComposerEcosystem Ecosystem = "Packagist"
func ParseComposerLock(pathToLockfile string) ([]PackageDetails, error) {
var parsedLockfile *ComposerLock
lockfileContents, err := os.ReadFile(pathToLockfile)
if err != nil {
return []PackageDetails{}, fmt.Errorf("could not read %s: %w", pathToLockfile, err)
}
err = json.Unmarshal(lockfileContents, &parsedLockfile)
if err != nil {
return []PackageDetails{}, fmt.Errorf("could not parse %s: %w", pathToLockfile, err)
}
packages := make(
[]PackageDetails,
0,
// len cannot return negative numbers, but the types can't reflect that
uint64(len(parsedLockfile.Packages))+uint64(len(parsedLockfile.PackagesDev)),
)
for _, composerPackage := range parsedLockfile.Packages {
packages = append(packages, PackageDetails{
Name: composerPackage.Name,
Version: composerPackage.Version,
Commit: composerPackage.Dist.Reference,
Ecosystem: ComposerEcosystem,
CompareAs: ComposerEcosystem,
})
}
for _, composerPackage := range parsedLockfile.PackagesDev {
packages = append(packages, PackageDetails{
Name: composerPackage.Name,
Version: composerPackage.Version,
Commit: composerPackage.Dist.Reference,
Ecosystem: ComposerEcosystem,
CompareAs: ComposerEcosystem,
})
}
return packages, nil
}