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# pkg-types

[![npm version](https://img.shields.io/npm/v/pkg-types?color=yellow)](https://npmjs.com/package/pkg-types)
[![npm downloads](https://img.shields.io/npm/dm/pkg-types?color=yellow)](https://npm.chart.dev/pkg-types)
[![codecov](https://img.shields.io/codecov/c/gh/unjs/pkg-types?color=yellow)](https://codecov.io/gh/unjs/pkg-types)

Node.js utilities and TypeScript definitions for `package.json` and `tsconfig.json`.

## Install

```sh
# ✨ Auto-detect
npx nypm install pkg-types

# npm
npm install pkg-types

# yarn
yarn add pkg-types

# pnpm
pnpm install pkg-types

# bun
bun install pkg-types

# deno
deno install pkg-types
```

## Usage

### `readPackageJSON`

```js
import { readPackageJSON } from "pkg-types";
const localPackageJson = await readPackageJSON();
// or
const packageJson = await readPackageJSON("/fully/resolved/path/to/folder");
```

### `writePackageJSON`

```js
import { writePackageJSON } from "pkg-types";

await writePackageJSON("path/to/package.json", pkg);
```

### `resolvePackageJSON`

```js
import { resolvePackageJSON } from "pkg-types";
const filename = await resolvePackageJSON();
// or
const packageJson = await resolvePackageJSON("/fully/resolved/path/to/folder");
```

### `readTSConfig`

```js
import { readTSConfig } from "pkg-types";
const tsconfig = await readTSConfig();
// or
const tsconfig2 = await readTSConfig("/fully/resolved/path/to/folder");
```

### `writeTSConfig`

```js
import { writeTSConfig } from "pkg-types";

await writeTSConfig("path/to/tsconfig.json", tsconfig);
```

### `resolveTSConfig`

```js
import { resolveTSConfig } from "pkg-types";
const filename = await resolveTSConfig();
// or
const tsconfig = await resolveTSConfig("/fully/resolved/path/to/folder");
```

### `resolveFile`

```js
import { resolveFile } from "pkg-types";
const filename = await resolveFile("README.md", {
  startingFrom: id,
  rootPattern: /^node_modules$/,
  matcher: (filename) => filename.endsWith(".md"),
});
```

### `resolveLockFile`

Find path to the lock file (`yarn.lock`, `package-lock.json`, `pnpm-lock.yaml`, `npm-shrinkwrap.json`) or throws an error.

```js
import { resolveLockFile } from "pkg-types";
const lockfile = await resolveLockFile(".");
```

### `findWorkspaceDir`

Try to detect workspace dir by in order:

1. Nearest `.git` directory
2. Farthest lockfile
3. Farthest `package.json` file

If fails, throws an error.

```js
import { findWorkspaceDir } from "pkg-types";
const workspaceDir = await findWorkspaceDir(".");
```

## Types

**Note:** In order to make types working, you need to install `typescript` as a devDependency.

You can directly use typed interfaces:

```ts
import type { TSConfig, PackageJSON } from "pkg-types";
```

You can also use define utils for type support for using in plain `.js` files and auto-complete in IDE.

```js
import type { definePackageJSON } from 'pkg-types'

const pkg = definePackageJSON({})
```

```js
import type { defineTSConfig } from 'pkg-types'

const pkg = defineTSConfig({})
```

## Alternatives

- [dominikg/tsconfck](https://github.com/dominikg/tsconfck)

## License

Published under the [MIT](https://github.com/unjs/pkg-types/blob/main/LICENSE) license.
Made by [@pi0](https://github.com/pi0), [@danielroe](https://github.com/danielroe) and [community](https://github.com/unjs/pkg-types/graphs/contributors) 💛
<br><br>
<a href="https://github.com/unjs/pkg-types/graphs/contributors">
<img src="https://contrib.rocks/image?repo=unjs/pkg-types" />
</a>

文件操作 - README.md

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