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inlineSpecifiersLockfileConverters.ts
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inlineSpecifiersLockfileConverters.ts
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import * as dp from '@pnpm/dependency-path'
import type { Lockfile, ProjectSnapshot, ResolvedDependencies } from '@pnpm/lockfile-types'
import {
INLINE_SPECIFIERS_FORMAT_LOCKFILE_VERSION_SUFFIX,
type InlineSpecifiersLockfile,
type InlineSpecifiersProjectSnapshot,
type InlineSpecifiersResolvedDependencies,
} from './InlineSpecifiersLockfile'
export function isExperimentalInlineSpecifiersFormat (
lockfile: InlineSpecifiersLockfile | Lockfile
): lockfile is InlineSpecifiersLockfile {
const { lockfileVersion } = lockfile
return lockfileVersion.toString().startsWith('6.') || typeof lockfileVersion === 'string' && lockfileVersion.endsWith(INLINE_SPECIFIERS_FORMAT_LOCKFILE_VERSION_SUFFIX)
}
export function convertToInlineSpecifiersFormat (lockfile: Lockfile): InlineSpecifiersLockfile {
let importers = lockfile.importers
let packages = lockfile.packages
if (lockfile.lockfileVersion.toString().startsWith('6.')) {
importers = Object.fromEntries(
Object.entries(lockfile.importers ?? {})
.map(([importerId, pkgSnapshot]: [string, ProjectSnapshot]) => {
const newSnapshot = { ...pkgSnapshot }
if (newSnapshot.dependencies != null) {
newSnapshot.dependencies = mapValues(newSnapshot.dependencies, convertOldRefToNewRef)
}
if (newSnapshot.optionalDependencies != null) {
newSnapshot.optionalDependencies = mapValues(newSnapshot.optionalDependencies, convertOldRefToNewRef)
}
if (newSnapshot.devDependencies != null) {
newSnapshot.devDependencies = mapValues(newSnapshot.devDependencies, convertOldRefToNewRef)
}
return [importerId, newSnapshot]
})
)
packages = Object.fromEntries(
Object.entries(lockfile.packages ?? {})
.map(([depPath, pkgSnapshot]) => {
const newSnapshot = { ...pkgSnapshot }
if (newSnapshot.dependencies != null) {
newSnapshot.dependencies = mapValues(newSnapshot.dependencies, convertOldRefToNewRef)
}
if (newSnapshot.optionalDependencies != null) {
newSnapshot.optionalDependencies = mapValues(newSnapshot.optionalDependencies, convertOldRefToNewRef)
}
return [convertOldDepPathToNewDepPath(depPath), newSnapshot]
})
)
}
const newLockfile = {
...lockfile,
packages,
lockfileVersion: lockfile.lockfileVersion.toString().startsWith('6.')
? lockfile.lockfileVersion.toString()
: (
lockfile.lockfileVersion.toString().endsWith(INLINE_SPECIFIERS_FORMAT_LOCKFILE_VERSION_SUFFIX)
? lockfile.lockfileVersion.toString()
: `${lockfile.lockfileVersion}${INLINE_SPECIFIERS_FORMAT_LOCKFILE_VERSION_SUFFIX}`
),
importers: mapValues(importers, convertProjectSnapshotToInlineSpecifiersFormat),
}
if (lockfile.lockfileVersion.toString().startsWith('6.') && newLockfile.time) {
newLockfile.time = Object.fromEntries(
Object.entries(newLockfile.time)
.map(([depPath, time]) => [convertOldDepPathToNewDepPath(depPath), time])
)
}
return newLockfile
}
function convertOldDepPathToNewDepPath (oldDepPath: string) {
const parsedDepPath = dp.parse(oldDepPath)
if (!parsedDepPath.name || !parsedDepPath.version) return oldDepPath
let newDepPath = `/${parsedDepPath.name}@${parsedDepPath.version}`
if (parsedDepPath.peersSuffix) {
if (parsedDepPath.peersSuffix.startsWith('(')) {
newDepPath += parsedDepPath.peersSuffix
} else {
newDepPath += `_${parsedDepPath.peersSuffix}`
}
}
if (parsedDepPath.host) {
newDepPath = `${parsedDepPath.host}${newDepPath}`
}
return newDepPath
}
function convertOldRefToNewRef (oldRef: string) {
if (oldRef.startsWith('link:') || oldRef.startsWith('file:')) {
return oldRef
}
if (oldRef.includes('/')) {
return convertOldDepPathToNewDepPath(oldRef)
}
return oldRef
}
export function revertFromInlineSpecifiersFormatIfNecessary (lockfile: Lockfile | InlineSpecifiersLockfile): Lockfile {
return isExperimentalInlineSpecifiersFormat(lockfile)
? revertFromInlineSpecifiersFormat(lockfile)
: lockfile
}
export function revertFromInlineSpecifiersFormat (lockfile: InlineSpecifiersLockfile): Lockfile {
const { lockfileVersion, importers, ...rest } = lockfile
const originalVersionStr = lockfileVersion.replace(INLINE_SPECIFIERS_FORMAT_LOCKFILE_VERSION_SUFFIX, '')
const originalVersion = Number(originalVersionStr)
if (isNaN(originalVersion)) {
throw new Error(`Unable to revert lockfile from inline specifiers format. Invalid version parsed: ${originalVersionStr}`)
}
let revertedImporters = mapValues(importers, revertProjectSnapshot)
let packages = lockfile.packages
if (originalVersionStr.startsWith('6.')) {
revertedImporters = Object.fromEntries(
Object.entries(revertedImporters ?? {})
.map(([importerId, pkgSnapshot]: [string, ProjectSnapshot]) => {
const newSnapshot = { ...pkgSnapshot }
if (newSnapshot.dependencies != null) {
newSnapshot.dependencies = mapValues(newSnapshot.dependencies, convertNewRefToOldRef)
}
if (newSnapshot.optionalDependencies != null) {
newSnapshot.optionalDependencies = mapValues(newSnapshot.optionalDependencies, convertNewRefToOldRef)
}
if (newSnapshot.devDependencies != null) {
newSnapshot.devDependencies = mapValues(newSnapshot.devDependencies, convertNewRefToOldRef)
}
return [importerId, newSnapshot]
})
)
packages = Object.fromEntries(
Object.entries(lockfile.packages ?? {})
.map(([depPath, pkgSnapshot]) => {
const newSnapshot = { ...pkgSnapshot }
if (newSnapshot.dependencies != null) {
newSnapshot.dependencies = mapValues(newSnapshot.dependencies, convertNewRefToOldRef)
}
if (newSnapshot.optionalDependencies != null) {
newSnapshot.optionalDependencies = mapValues(newSnapshot.optionalDependencies, convertNewRefToOldRef)
}
return [convertLockfileV6DepPathToV5DepPath(depPath), newSnapshot]
})
)
}
const newLockfile = {
...rest,
lockfileVersion: lockfileVersion.endsWith(INLINE_SPECIFIERS_FORMAT_LOCKFILE_VERSION_SUFFIX) ? originalVersion : lockfileVersion,
packages,
importers: revertedImporters,
}
if (originalVersionStr.startsWith('6.') && newLockfile.time) {
newLockfile.time = Object.fromEntries(
Object.entries(newLockfile.time)
.map(([depPath, time]) => [convertLockfileV6DepPathToV5DepPath(depPath), time])
)
}
return newLockfile
}
export function convertLockfileV6DepPathToV5DepPath (newDepPath: string) {
if (!newDepPath.includes('@', 2) || newDepPath.startsWith('file:')) return newDepPath
const index = newDepPath.indexOf('@', newDepPath.indexOf('/@') + 2)
if (newDepPath.includes('(') && index > dp.indexOfPeersSuffix(newDepPath)) return newDepPath
return `${newDepPath.substring(0, index)}/${newDepPath.substring(index + 1)}`
}
function convertNewRefToOldRef (oldRef: string) {
if (oldRef.startsWith('link:') || oldRef.startsWith('file:')) {
return oldRef
}
if (oldRef.includes('@')) {
return convertLockfileV6DepPathToV5DepPath(oldRef)
}
return oldRef
}
function convertProjectSnapshotToInlineSpecifiersFormat (
projectSnapshot: ProjectSnapshot
): InlineSpecifiersProjectSnapshot {
const { specifiers, ...rest } = projectSnapshot
const convertBlock = (block?: ResolvedDependencies) =>
block != null
? convertResolvedDependenciesToInlineSpecifiersFormat(block, { specifiers })
: block
return {
...rest,
dependencies: convertBlock(projectSnapshot.dependencies),
optionalDependencies: convertBlock(projectSnapshot.optionalDependencies),
devDependencies: convertBlock(projectSnapshot.devDependencies),
}
}
function convertResolvedDependenciesToInlineSpecifiersFormat (
resolvedDependencies: ResolvedDependencies,
{ specifiers }: { specifiers: ResolvedDependencies }
): InlineSpecifiersResolvedDependencies {
return mapValues(resolvedDependencies, (version, depName) => ({
specifier: specifiers[depName],
version,
}))
}
function revertProjectSnapshot (from: InlineSpecifiersProjectSnapshot): ProjectSnapshot {
const specifiers: ResolvedDependencies = {}
function moveSpecifiers (from: InlineSpecifiersResolvedDependencies): ResolvedDependencies {
const resolvedDependencies: ResolvedDependencies = {}
for (const [depName, { specifier, version }] of Object.entries(from)) {
const existingValue = specifiers[depName]
if (existingValue != null && existingValue !== specifier) {
throw new Error(`Project snapshot lists the same dependency more than once with conflicting versions: ${depName}`)
}
specifiers[depName] = specifier
resolvedDependencies[depName] = version
}
return resolvedDependencies
}
const dependencies = from.dependencies == null
? from.dependencies
: moveSpecifiers(from.dependencies)
const devDependencies = from.devDependencies == null
? from.devDependencies
: moveSpecifiers(from.devDependencies)
const optionalDependencies = from.optionalDependencies == null
? from.optionalDependencies
: moveSpecifiers(from.optionalDependencies)
return {
...from,
specifiers,
dependencies,
devDependencies,
optionalDependencies,
}
}
function mapValues<T, U> (obj: Record<string, T>, mapper: (val: T, key: string) => U): Record<string, U> {
const result: Record<string, U> = {}
for (const [key, value] of Object.entries(obj)) {
result[key] = mapper(value, key)
}
return result
}