logger.info(`Locating potential ${baseFilename} files:`);

}

let options: PackageManagerOptions = {};

let rcOptions: PackageManagerOptions = {};

for (const location of [...defaultConfigLocations, ...projectConfigLocations]) {

if (existsSync(location)) {

if (showPotentials) {

// See: https://github.com/npm/npm-registry-fetch/blob/ebddbe78a5f67118c1f7af2e02c8a22bcaf9e850/index.js#L99-L126

const rcConfig: PackageManagerOptions = yarn ? lockfile.parse(data) : ini.parse(data);

options = normalizeOptions(rcConfig, location);

rcOptions = normalizeOptions(rcConfig, location);

}

}

const envVariablesOptions: PackageManagerOptions = {};

for (const [key, value] of Object.entries(process.env)) {

if (!value || !key.toLowerCase().startsWith('npm_config_')) {

if (!value) {

continue;

}

const normalizedName = key

.substr(11)

.replace(/(?!^)_/g, '-') // don't replace _ at the start of the key

.toLowerCase();

options[normalizedName] = value;

}

let normalizedName = key.toLowerCase();

if (normalizedName.startsWith('npm_config_')) {

normalizedName = normalizedName.substring(11);

} else if (yarn && normalizedName.startsWith('yarn_')) {

normalizedName = normalizedName.substring(5);

} else {

continue;

}

options = normalizeOptions(options);

normalizedName = normalizedName.replace(/(?!^)_/g, '-'); // don't replace _ at the start of the key.s

envVariablesOptions[normalizedName] = value;

}

return options;

return {

...rcOptions,

...normalizeOptions(envVariablesOptions),

};

}

function normalizeOptions(

} = {},

): Promise<PackageManifest> {

const { usingYarn = false, verbose = false, registry } = options;

ensureNpmrc(logger, usingYarn, verbose);

const response = await pacote.manifest(name, {

}

const { usingYarn = false, verbose = false, registry } = options;

if (!npmrc) {

try {

npmrc = readOptions(logger, false, verbose);

} catch {}

if (usingYarn) {

try {

npmrc = { ...npmrc, ...readOptions(logger, true, verbose) };

} catch {}

}

}

ensureNpmrc(logger, usingYarn, verbose);

const resultPromise: Promise<NpmRepositoryPackageJson> = pacote.packument(packageName, {

fullMetadata: true,