@iobroker/adapter-core/build/helpers.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.scanForPackage = exports.tryResolvePackage = void 0;
const fs = require("fs");
const path = require("path");
/**
 * Tries to resolve a package using Node.js resolution.
 * Directory names differing from the package name and alternate lookup paths can be passed.
 */
function tryResolvePackage(possiblePaths, lookupPaths) {
    for (const pkg of possiblePaths) {
        try {
            // package.json is guaranteed to be in the module root folder
            // so once that is resolved, take the dirname and we're done
            const possiblePath = require.resolve(`${pkg}/package.json`, (lookupPaths === null || lookupPaths === void 0 ? void 0 : lookupPaths.length) ? { paths: lookupPaths } : undefined);
            if (fs.existsSync(possiblePath)) {
                return path.dirname(possiblePath);
            }
        }
        catch (_a) {
            /* not found */
        }
    }
}
exports.tryResolvePackage = tryResolvePackage;
/**
 * Scans for a package by walking up the directory tree and inspecting package.json
 * Directory names differing from the package name and an alternate start dir can be passed.
 */
function scanForPackage(possiblePaths, startDir = __dirname) {
    // We start in the node_modules subfolder of adapter-core, which is the deepest we should be able to expect the controller
    let curDir = path.join(startDir, "../node_modules");
    while (true) {
        for (const pkg of possiblePaths) {
            const possiblePath = path.join(curDir, pkg, "package.json");
            try {
                // If package.json exists in the directory and its name field matches, we've found js-controller
                if (fs.existsSync(possiblePath) &&
                    JSON.parse(fs.readFileSync(possiblePath, "utf8")).name ===
                        pkg.toLowerCase()) {
                    return path.dirname(possiblePath);
                }
            }
            catch (_a) {
                // don't care
            }
        }
        // Nothing found here, go up one level
        const parentDir = path.dirname(curDir);
        if (parentDir === curDir) {
            // we've reached the root without finding js-controller
            break;
        }
        curDir = parentDir;
    }
}
exports.scanForPackage = scanForPackage;