identify-monorepo-root/build/identifyMonorepoRoot.js

Find the root directory of any given monorepo (works with npm, yarn, pnpm, turbo, etc.)

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.identifyMonorepoRoot = void 0;
var path = __importStar(require("path"));
var who_am_i_now_1 = require("who-am-i-now");
var identifyMonorepoRoot = function () {
    var who = (0, who_am_i_now_1.whoAmINow)();
    if (!who.isServerApp) {
        throw new Error("Library 'identify-monorepo-root' can only be used server side.");
    }
    var fs;
    try {
        fs = require("fs");
    }
    catch (e) {
        // do nothing
    }
    var isDirRoot = function (currentDir) {
        var files = fs.readdirSync(currentDir);
        // check for package manager lock files:
        var lockFile = files.find(function (f) {
            return f === "pnpm-lock.yaml" || f === "yarn.lock" || f === "package-lock.json";
        });
        if (lockFile) {
            return "true";
        }
        // check for a package.json file with certain properties:
        var packageJson = files.find(function (f) { return f === "package.json"; });
        if (packageJson) {
            var packageJsonFile = fs.readFileSync(path.resolve(currentDir, "package.json"), "utf-8");
            if (packageJsonFile.packageManager) {
                return "true";
            }
            return "maybe";
        }
        return "false";
    };
    var isRoot = "false";
    var lastPossibleRootDir;
    var currentDir = process.cwd() || __dirname;
    while (true) {
        isRoot = isDirRoot(currentDir);
        if (isRoot === "maybe") {
            lastPossibleRootDir = currentDir;
        }
        else if (isRoot === "true") {
            break;
        }
        if (currentDir === "/") {
            break;
        }
        currentDir = path.resolve(currentDir, "..");
    }
    if (isRoot === "true") {
        return currentDir;
    }
    else if (lastPossibleRootDir) {
        return lastPossibleRootDir;
    }
    else {
        return null;
    }
};
exports.identifyMonorepoRoot = identifyMonorepoRoot;