veendor/lib/resolveLockfile.js

a tool for stroing your npm dependencies in arbitraty storage

'use strict';
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const util_1 = __importDefault(require("util"));
const fs_extra_1 = __importDefault(require("fs-extra"));
const path_1 = __importDefault(require("path"));
const logger_1 = require("./util/logger");
// add yarn.lock one day
const LOCKFILE_TYPES = ['npm-shrinkwrap.json', 'package-lock.json'];
function resolveLockfile() {
    const logger = logger_1.getLogger();
    logger.trace(`Looking for lockfiles: ${LOCKFILE_TYPES.join(', ')}`);
    const statPromises = LOCKFILE_TYPES.map(filename => fs_extra_1.default
        .stat(path_1.default.resolve(process.cwd(), filename))
        .catch(error => error)); // not letting Promise.all to reject early
    return Promise.all(statPromises).then(getLockfile);
}
exports.default = resolveLockfile;
function getLockfile(results) {
    const logger = logger_1.getLogger();
    for (let i = 0; i < LOCKFILE_TYPES.length; i++) {
        if (util_1.default.isError(results[i])) {
            const err = (results[i]);
            if (err.code && err.code === 'ENOENT') {
                continue;
            }
            throw err;
        }
        logger.info(`Found '${LOCKFILE_TYPES[i]}'. Using it to calculate bundle hashes.`);
        return LOCKFILE_TYPES[i];
    }
    return null;
}