find-workspace-root/lib/find-workspace-root.js

Find the root of a multi-package repo with Yarn workspaces

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const fs_extra_1 = __importDefault(require("fs-extra"));
const path_1 = __importDefault(require("path"));
const micromatch_1 = __importDefault(require("micromatch"));
const cwd = process.cwd();
const readPackageJson = async (cwd) => {
    const loc = path_1.default.join(cwd, 'package.json');
    if (await fs_extra_1.default.pathExists(loc)) {
        return fs_extra_1.default.readJSON(loc);
    }
    return null;
};
exports.default = async (initial = cwd) => {
    let previous = null;
    let current = path_1.default.normalize(initial);
    do {
        const pkgJson = await readPackageJson(current);
        if (pkgJson === null || pkgJson === void 0 ? void 0 : pkgJson.workspaces) {
            const relativePath = path_1.default.relative(current, initial);
            return relativePath === '' ||
                micromatch_1.default([relativePath], pkgJson.workspaces).length > 0
                ? current
                : null;
        }
        previous = current;
        current = path_1.default.dirname(current);
    } while (current !== previous);
    return null;
};
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