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Use lockfiles to determine package resolutions.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| import { join, resolve } from "./path" | ||
| import { PackageDetails, getPatchDetailsFromCliString } from "./PackageDetails" | ||
| import { PackageManager, detectPackageManager } from "./detectPackageManager" | ||
| import { readFileSync } from "fs-extra" | ||
| import { parse as parseYarnLockFile } from "@yarnpkg/lockfile" | ||
|
|
||
| export function getPackageResolution({ | ||
| packageDetails, | ||
| packageManager, | ||
| appPath, | ||
| }: { | ||
| packageDetails: PackageDetails | ||
| packageManager: PackageManager | ||
| appPath: string | ||
| }) { | ||
| if (packageManager === "yarn") { | ||
| const appLockFile = parseYarnLockFile(readFileSync("yarn.lock").toString()) | ||
| if (appLockFile.type !== "success") { | ||
| throw new Error("Can't parse lock file") | ||
| } | ||
|
|
||
| const installedVersion = require(join( | ||
| resolve(appPath, packageDetails.path), | ||
| "package.json", | ||
| )).version as string | ||
|
|
||
| const entries = Object.entries(appLockFile.object).filter( | ||
| ([k, v]) => | ||
| k.startsWith(packageDetails.name + "@") && | ||
| v.version === installedVersion, | ||
| ) | ||
|
|
||
| const resolutions = entries.map(([_, v]) => { | ||
| return v.resolved | ||
| }) | ||
|
|
||
| if (resolutions.length === 0) { | ||
| throw new Error( | ||
| `Can't find lockfile entry for ${packageDetails.pathSpecifier}`, | ||
| ) | ||
| } | ||
|
|
||
| if (new Set(resolutions).size !== 1) { | ||
| console.warn( | ||
| `Ambigious lockfile entries for ${ | ||
| packageDetails.pathSpecifier | ||
| }. Using version ${installedVersion}`, | ||
| ) | ||
| return installedVersion | ||
| } | ||
|
|
||
| if (resolutions[0]) { | ||
| return resolutions[0] | ||
| } | ||
|
|
||
| const resolution = entries[0][0].slice(packageDetails.name.length + 1) | ||
|
|
||
| // resolve relative file path | ||
| if (resolution.startsWith("file:.")) { | ||
| return `file:${resolve(appPath, resolution.slice("file:".length))}` | ||
| } | ||
|
|
||
| return resolution | ||
| } else { | ||
| const lockfile = require(join( | ||
| appPath, | ||
| packageManager === "npm-shrinkwrap" | ||
| ? "npm-shrinkwrap.json" | ||
| : "package-lock.json", | ||
| )) | ||
| const lockFileStack = [lockfile] | ||
| for (const name of packageDetails.packageNames.slice(0, -1)) { | ||
| const child = lockFileStack[0].dependencies | ||
| if (child && name in child) { | ||
| lockFileStack.push(child[name]) | ||
| } | ||
| } | ||
| lockFileStack.reverse() | ||
| const relevantStackEntry = lockFileStack.find( | ||
| entry => entry.dependencies && packageDetails.name in entry.dependencies, | ||
| ) | ||
| return relevantStackEntry.dependencies[packageDetails.name].resolved | ||
| } | ||
| } | ||
|
|
||
| if (require.main === module) { | ||
| const packageDetails = getPatchDetailsFromCliString(process.argv[2]) | ||
| if (!packageDetails) { | ||
| console.error(`Can't find package ${process.argv[2]}`) | ||
| process.exit(1) | ||
| throw new Error() | ||
| } | ||
| console.log( | ||
| getPackageResolution({ | ||
| appPath: process.cwd(), | ||
| packageDetails, | ||
| packageManager: detectPackageManager(process.cwd(), null), | ||
| }), | ||
| ) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| declare module "@yarnpkg/lockfile" { | ||
| export function parse( | ||
| s: string, | ||
| ): { | ||
| type: "success" | "error" | ||
| object: { | ||
| [identifier: string]: { | ||
| resolved?: string | ||
| version: string | ||
| } | ||
| } | ||
| } | ||
| } |
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