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licenses.ts
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licenses.ts
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import { PnpmError } from '@pnpm/error'
import { Lockfile } from '@pnpm/lockfile-file'
import {
DependenciesField,
IncludedDependencies,
ProjectManifest,
Registries,
} from '@pnpm/types'
import {
LicenseNode,
lockfileToLicenseNodeTree,
} from './lockfileToLicenseNodeTree'
export interface LicensePackage {
belongsTo: DependenciesField
version: string
name: string
license: string
licenseContents?: string
author?: string
homepage?: string
repository?: string
path?: string
}
/**
* @private
* Returns an array of LicensePackages from the given LicenseNode
* @param licenseNode the license node
* @returns LicensePackage[]
*/
function getDependenciesFromLicenseNode (
licenseNode: LicenseNode
): LicensePackage[] {
if (!licenseNode.dependencies) {
return []
}
let dependencies: LicensePackage[] = []
for (const dependencyName in licenseNode.dependencies) {
const dependencyNode = licenseNode.dependencies[dependencyName]
const dependenciesOfNode = getDependenciesFromLicenseNode(dependencyNode)
dependencies = [
...dependencies,
...dependenciesOfNode,
{
belongsTo: dependencyNode.dev ? 'devDependencies' : 'dependencies',
version: dependencyNode.version as string,
name: dependencyName,
license: dependencyNode.license as string,
licenseContents: dependencyNode.licenseContents,
author: dependencyNode.author as string,
homepage: dependencyNode.homepage as string,
repository: dependencyNode.repository as string,
path: dependencyNode.dir,
},
]
}
return dependencies
}
export async function findDependencyLicenses (opts: {
ignoreDependencies?: Set<string>
include?: IncludedDependencies
lockfileDir: string
manifest: ProjectManifest
storeDir: string
virtualStoreDir: string
modulesDir?: string
registries: Registries
wantedLockfile: Lockfile | null
}): Promise<LicensePackage[]> {
if (opts.wantedLockfile == null) {
throw new PnpmError(
'LICENSES_NO_LOCKFILE',
`No lockfile in directory "${opts.lockfileDir}". Run \`pnpm install\` to generate one.`
)
}
const licenseNodeTree = await lockfileToLicenseNodeTree(opts.wantedLockfile, {
dir: opts.lockfileDir,
modulesDir: opts.modulesDir,
storeDir: opts.storeDir,
virtualStoreDir: opts.virtualStoreDir,
include: opts.include,
registries: opts.registries,
})
const licensePackages = new Map<string, LicensePackage>()
for (const dependencyName in licenseNodeTree.dependencies) {
const licenseNode = licenseNodeTree.dependencies[dependencyName]
const dependenciesOfNode = getDependenciesFromLicenseNode(licenseNode)
dependenciesOfNode.forEach((dependencyNode) => {
licensePackages.set(dependencyNode.name, dependencyNode)
})
}
// Get all non-duplicate dependencies of the project
const projectDependencies = Array.from(licensePackages.values())
return Array.from(projectDependencies).sort((pkg1, pkg2) =>
pkg1.name.localeCompare(pkg2.name)
)
}