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import { statSync, promises } from 'node:fs';
import { resolve, join, normalize, isAbsolute, dirname } from 'pathe';
import { parseJSONC, stringifyJSONC, parseJSON, stringifyJSON } from 'confbox';
import { resolveModulePath } from 'exsolve';
import { fileURLToPath } from 'node:url';
import { readFile, writeFile } from 'node:fs/promises';
import { parseINI, stringifyINI } from 'confbox/ini';

const defaultFindOptions = {
  startingFrom: ".",
  rootPattern: /^node_modules$/,
  reverse: false,
  test: (filePath) => {
    try {
      if (statSync(filePath).isFile()) {
        return true;
      }
    } catch {
    }
  }
};
async function findFile(filename, _options = {}) {
  const filenames = Array.isArray(filename) ? filename : [filename];
  const options = { ...defaultFindOptions, ..._options };
  const basePath = resolve(options.startingFrom);
  const leadingSlash = basePath[0] === "/";
  const segments = basePath.split("/").filter(Boolean);
  if (filenames.includes(segments.at(-1)) && await options.test(basePath)) {
    return basePath;
  }
  if (leadingSlash) {
    segments[0] = "/" + segments[0];
  }
  let root = segments.findIndex((r) => r.match(options.rootPattern));
  if (root === -1) {
    root = 0;
  }
  if (options.reverse) {
    for (let index = root + 1; index <= segments.length; index++) {
      for (const filename2 of filenames) {
        const filePath = join(...segments.slice(0, index), filename2);
        if (await options.test(filePath)) {
          return filePath;
        }
      }
    }
  } else {
    for (let index = segments.length; index > root; index--) {
      for (const filename2 of filenames) {
        const filePath = join(...segments.slice(0, index), filename2);
        if (await options.test(filePath)) {
          return filePath;
        }
      }
    }
  }
  throw new Error(
    `Cannot find matching ${filename} in ${options.startingFrom} or parent directories`
  );
}
function findNearestFile(filename, options = {}) {
  return findFile(filename, options);
}
function findFarthestFile(filename, options = {}) {
  return findFile(filename, { ...options, reverse: true });
}

function _resolvePath(id, opts = {}) {
  if (id instanceof URL || id.startsWith("file://")) {
    return normalize(fileURLToPath(id));
  }
  if (isAbsolute(id)) {
    return normalize(id);
  }
  return resolveModulePath(id, {
    ...opts,
    from: opts.from || opts.parent || opts.url
  });
}

const FileCache$1 = /* @__PURE__ */ new Map();
function defineTSConfig(tsconfig) {
  return tsconfig;
}
async function readTSConfig(id, options = {}) {
  const resolvedPath = await resolveTSConfig(id, options);
  const cache = options.cache && typeof options.cache !== "boolean" ? options.cache : FileCache$1;
  if (options.cache && cache.has(resolvedPath)) {
    return cache.get(resolvedPath);
  }
  const text = await promises.readFile(resolvedPath, "utf8");
  const parsed = parseJSONC(text);
  cache.set(resolvedPath, parsed);
  return parsed;
}
async function writeTSConfig(path, tsconfig) {
  await promises.writeFile(path, stringifyJSONC(tsconfig));
}
async function resolveTSConfig(id = process.cwd(), options = {}) {
  return findNearestFile("tsconfig.json", {
    ...options,
    startingFrom: _resolvePath(id, options)
  });
}

const lockFiles = [
  "yarn.lock",
  "package-lock.json",
  "pnpm-lock.yaml",
  "npm-shrinkwrap.json",
  "bun.lockb",
  "bun.lock"
];
const workspaceFiles = [
  "pnpm-workspace.yaml",
  "lerna.json",
  "turbo.json",
  "rush.json"
];
const FileCache = /* @__PURE__ */ new Map();
function definePackageJSON(pkg) {
  return pkg;
}
async function readPackageJSON(id, options = {}) {
  const resolvedPath = await resolvePackageJSON(id, options);
  const cache = options.cache && typeof options.cache !== "boolean" ? options.cache : FileCache;
  if (options.cache && cache.has(resolvedPath)) {
    return cache.get(resolvedPath);
  }
  const blob = await promises.readFile(resolvedPath, "utf8");
  let parsed;
  try {
    parsed = parseJSON(blob);
  } catch {
    parsed = parseJSONC(blob);
  }
  cache.set(resolvedPath, parsed);
  return parsed;
}
async function writePackageJSON(path, pkg) {
  await promises.writeFile(path, stringifyJSON(pkg));
}
async function resolvePackageJSON(id = process.cwd(), options = {}) {
  return findNearestFile("package.json", {
    ...options,
    startingFrom: _resolvePath(id, options)
  });
}
async function resolveLockfile(id = process.cwd(), options = {}) {
  return findNearestFile(lockFiles, {
    ...options,
    startingFrom: _resolvePath(id, options)
  });
}
const workspaceTests = {
  workspaceFile: (opts) => findFile(workspaceFiles, opts).then((r) => dirname(r)),
  gitConfig: (opts) => findFile(".git/config", opts).then((r) => resolve(r, "../..")),
  lockFile: (opts) => findFile(lockFiles, opts).then((r) => dirname(r)),
  packageJson: (opts) => findFile("package.json", opts).then((r) => dirname(r))
};
async function findWorkspaceDir(id = process.cwd(), options = {}) {
  const startingFrom = _resolvePath(id, options);
  const tests = options.tests || ["workspaceFile", "gitConfig", "lockFile", "packageJson"];
  for (const testName of tests) {
    const test = workspaceTests[testName];
    if (options[testName] === false || !test) {
      continue;
    }
    const direction = options[testName] || (testName === "gitConfig" ? "closest" : "furthest");
    const detected = await test({
      ...options,
      startingFrom,
      reverse: direction === "furthest"
    }).catch(() => {
    });
    if (detected) {
      return detected;
    }
  }
  throw new Error(`Cannot detect workspace root from ${id}`);
}

function defineGitConfig(config) {
  return config;
}
async function resolveGitConfig(dir, opts) {
  return findNearestFile(".git/config", { ...opts, startingFrom: dir });
}
async function readGitConfig(dir, opts) {
  const path = await resolveGitConfig(dir, opts);
  const ini = await readFile(path, "utf8");
  return parseGitConfig(ini);
}
async function writeGitConfig(path, config) {
  await writeFile(path, stringifyGitConfig(config));
}
function parseGitConfig(ini) {
  return parseINI(ini.replaceAll(/^\[(\w+) "(.+)"\]$/gm, "[$1.$2]"));
}
function stringifyGitConfig(config) {
  return stringifyINI(config).replaceAll(/^\[(\w+)\.(\w+)\]$/gm, '[$1 "$2"]');
}

export { defineGitConfig, definePackageJSON, defineTSConfig, findFarthestFile, findFile, findNearestFile, findWorkspaceDir, parseGitConfig, readGitConfig, readPackageJSON, readTSConfig, resolveGitConfig, resolveLockfile, resolvePackageJSON, resolveTSConfig, stringifyGitConfig, writeGitConfig, writePackageJSON, writeTSConfig };

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