snyk-nodejs-lockfile-parser
Version:
Generate a dep tree given a lockfile
70 lines • 2.6 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.yarnLockFileKeyNormalizer = void 0;
const _flatMap = require("lodash.flatmap");
const BUILTIN_PLACEHOLDER = 'builtin';
const MULTIPLE_KEYS_REGEXP = / *, */g;
const keyNormalizer = (parseDescriptor, parseRange) => (rawDescriptor) => {
// See https://yarnpkg.com/features/protocols
const descriptors = [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;
};
const yarnLockFileKeyNormalizer = (parseDescriptor, parseRange) => (fullDescriptor) => {
const allKeys = fullDescriptor
.split(MULTIPLE_KEYS_REGEXP)
.map(keyNormalizer(parseDescriptor, parseRange));
return new Set(_flatMap(allKeys));
};
exports.yarnLockFileKeyNormalizer = yarnLockFileKeyNormalizer;
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