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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /** | ||
| * https://github.com/snyk/nodejs-lockfile-parser/blob/master/lib/parsers/yarn-utils.ts | ||
| */ | ||
| import { structUtils } from '@yarnpkg/core'; | ||
|
|
||
| const BUILTIN_PLACEHOLDER = 'builtin'; | ||
| const MULTIPLE_KEYS_REGEXP = / *, */g; | ||
|
|
||
| export type ParseDescriptor = typeof structUtils.parseDescriptor; | ||
| export type ParseRange = typeof structUtils.parseRange; | ||
|
|
||
| const keyNormalizer = ( | ||
| parseDescriptor: ParseDescriptor, | ||
| parseRange: ParseRange, | ||
| ) => (rawDescriptor: string): string[] => { | ||
| // See https://yarnpkg.com/features/protocols | ||
| const descriptors: string[] = [rawDescriptor]; | ||
| const descriptor = parseDescriptor(rawDescriptor); | ||
| const name = `${descriptor.scope ? '@' + descriptor.scope + '/' : ''}${ | ||
| descriptor.name | ||
| }`; | ||
| const range = parseRange(descriptor.range); | ||
| const protocol = range.protocol; | ||
| switch (protocol) { | ||
| case 'npm:': | ||
| case 'file:': | ||
| descriptors.push(`${name}@${range.selector}`); | ||
| descriptors.push(`${name}@${protocol}${range.selector}`); | ||
| break; | ||
| case 'git:': | ||
| case 'git+ssh:': | ||
| case 'git+http:': | ||
| case 'git+https:': | ||
| case 'github:': | ||
| if (range.source) { | ||
| descriptors.push( | ||
| `${name}@${protocol}${range.source}${ | ||
| range.selector ? '#' + range.selector : '' | ||
| }`, | ||
| ); | ||
| } else { | ||
| descriptors.push(`${name}@${protocol}${range.selector}`); | ||
| } | ||
| break; | ||
| case 'patch:': | ||
| if (range.source && range.selector.indexOf(BUILTIN_PLACEHOLDER) === 0) { | ||
| descriptors.push(range.source); | ||
| } else { | ||
| descriptors.push( | ||
| `${name}@${protocol}${range.source}${ | ||
| range.selector ? '#' + range.selector : '' | ||
| }`, | ||
| ); | ||
| } | ||
| break; | ||
| case null: | ||
| case undefined: | ||
| if (range.source) { | ||
| descriptors.push(`${name}@${range.source}#${range.selector}`); | ||
| } else { | ||
| descriptors.push(`${name}@${range.selector}`); | ||
| } | ||
| break; | ||
| case 'http:': | ||
| case 'https:': | ||
| case 'link:': | ||
| case 'portal:': | ||
| case 'exec:': | ||
| case 'workspace:': | ||
| case 'virtual:': | ||
| default: | ||
| // For user defined plugins | ||
| descriptors.push(`${name}@${protocol}${range.selector}`); | ||
| break; | ||
| } | ||
| return descriptors; | ||
| }; | ||
|
|
||
| export type YarnLockFileKeyNormalizer = (fullDescriptor: string) => Set<string>; | ||
|
|
||
| export const yarnLockFileKeyNormalizer = ( | ||
| parseDescriptor: ParseDescriptor, | ||
| parseRange: ParseRange, | ||
| ): YarnLockFileKeyNormalizer => (fullDescriptor: string) => { | ||
| const allKeys = fullDescriptor | ||
| .split(MULTIPLE_KEYS_REGEXP) | ||
| .map(keyNormalizer(parseDescriptor, parseRange)); | ||
| return new Set<string>(allKeys.flat(5)); | ||
| }; |
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