snyk-nodejs-lockfile-parser/dist/aliasesPreprocessors/yarn-lock-v1.js

Generate a dep tree given a lockfile

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.rewriteAliasesInYarnLockV1 = void 0;
const rewriteAliasesInYarnLockV1 = (lockfileContent) => {
    const regex = /^(\s*)"(.+?@npm:)([^"]+)":/gm;
    const matches = lockfileContent.matchAll(regex);
    // Step 1: Replace aliased top level deps
    let lockfilePreprocessed = lockfileContent.replace(regex, '$1"$3":');
    // Step 2: Replace aliased top level deps possible references in transitive deps
    for (const match of matches) {
        const localMatch = match[0]
            .replace(/\s/g, '')
            .replace(/"/, '')
            .replace(/@npm:/, ' "npm:')
            .replace(/:$/, '');
        let replacementValue = match[0]
            .replace(/\s/g, '')
            .replace(/"/g, '')
            .replace(/.+?@npm:/, '')
            .replace(/@(?!.*@)/, ' "')
            .replace(/:/g, '') + '"';
        if (replacementValue.startsWith('@')) {
            replacementValue = replacementValue
                .replace(/^@/, '"@')
                .replace(/ /, '" ');
        }
        lockfilePreprocessed = lockfilePreprocessed.replace(localMatch, replacementValue);
    }
    return lockfilePreprocessed;
};
exports.rewriteAliasesInYarnLockV1 = rewriteAliasesInYarnLockV1;
//# sourceMappingURL=yarn-lock-v1.js.map