mirror of
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124 lines
3.6 KiB
TypeScript
124 lines
3.6 KiB
TypeScript
import is from '@sindresorhus/is';
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import { miscUtils, structUtils } from '@yarnpkg/core';
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import { parseSyml } from '@yarnpkg/parsers';
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import { logger } from '../../../../logger';
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import {
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getSiblingFileName,
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localPathExists,
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readLocalFile,
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} from '../../../../util/fs';
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import type { LockFile } from './types';
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export async function getYarnLock(filePath: string): Promise<LockFile> {
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// TODO #22198
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const yarnLockRaw = (await readLocalFile(filePath, 'utf8'))!;
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try {
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const parsed = parseSyml(yarnLockRaw);
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const lockedVersions: Record<string, string> = {};
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let lockfileVersion: number | undefined;
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for (const [key, val] of Object.entries(parsed)) {
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if (key === '__metadata') {
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// yarn 2
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lockfileVersion = parseInt(val.cacheKey, 10);
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logger.once.debug(
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`yarn.lock ${filePath} has __metadata.cacheKey=${lockfileVersion}`,
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);
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} else {
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for (const entry of key.split(', ')) {
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try {
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const { scope, name, range } = structUtils.parseDescriptor(entry);
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const packageName = scope ? `@${scope}/${name}` : name;
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const { selector } = structUtils.parseRange(range);
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logger.trace({ entry, version: val.version });
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lockedVersions[packageName + '@' + selector] = parsed[key].version;
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} catch (err) {
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logger.debug(
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{ entry, err },
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'Invalid descriptor or range found in yarn.lock',
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);
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}
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}
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}
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}
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const isYarn1 = !('__metadata' in parsed);
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if (isYarn1) {
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logger.once.debug(
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`yarn.lock ${filePath} is has no __metadata so is yarn 1`,
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);
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} else {
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logger.once.debug(
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`yarn.lock ${filePath} is has __metadata so is yarn 2+`,
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);
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}
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return {
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isYarn1,
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lockfileVersion,
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lockedVersions,
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};
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} catch (err) {
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logger.debug({ filePath, err }, 'Warning: Exception parsing yarn.lock');
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return { isYarn1: true, lockedVersions: {} };
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}
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}
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export function getZeroInstallPaths(yarnrcYml: string): string[] {
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let conf: any;
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try {
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conf = parseSyml(yarnrcYml);
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} catch (err) /* istanbul ignore next */ {
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logger.warn({ err }, 'Error parsing .yarnrc.yml');
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}
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const paths = [
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conf?.cacheFolder || './.yarn/cache',
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'.pnp.cjs',
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'.pnp.js',
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'.pnp.loader.mjs',
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];
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if (
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conf &&
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miscUtils.tryParseOptionalBoolean(conf.pnpEnableInlining) === false
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) {
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paths.push(conf.pnpDataPath || './.pnp.data.json');
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}
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return paths;
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}
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export async function isZeroInstall(yarnrcYmlPath: string): Promise<boolean> {
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const yarnrcYml = await readLocalFile(yarnrcYmlPath, 'utf8');
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if (is.string(yarnrcYml)) {
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const paths = getZeroInstallPaths(yarnrcYml);
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for (const p of paths) {
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if (await localPathExists(getSiblingFileName(yarnrcYmlPath, p))) {
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logger.debug(`Detected Yarn zero-install in ${p}`);
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return true;
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}
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}
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}
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return false;
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}
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export function getYarnVersionFromLock(lockfile: LockFile): string {
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const { lockfileVersion, isYarn1 } = lockfile;
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if (isYarn1) {
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return '^1.22.18';
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}
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if (lockfileVersion && lockfileVersion >= 12) {
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// This will probably be v5
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return '>=4.0.0';
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}
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if (lockfileVersion && lockfileVersion >= 10) {
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return '^4.0.0';
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}
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if (lockfileVersion && lockfileVersion >= 8) {
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// https://github.com/yarnpkg/berry/commit/9bcd27ae34aee77a567dd104947407532fa179b3
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return '^3.0.0';
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} else if (lockfileVersion && lockfileVersion >= 6) {
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// https://github.com/yarnpkg/berry/commit/f753790380cbda5b55d028ea84b199445129f9ba
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return '^2.2.0';
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}
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return '^2.0.0';
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}
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