2025-09-05 14:59:21 +08:00

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# detab
[![Build][build-badge]][build]
[![Coverage][coverage-badge]][coverage]
[![Downloads][downloads-badge]][downloads]
[![Size][size-badge]][size]
Replace tabs with spaces.
## Contents
* [What is this?](#what-is-this)
* [When should I use this?](#when-should-i-use-this)
* [Install](#install)
* [Use](#use)
* [API](#api)
* [`detab(value[, size=4])`](#detabvalue-size4)
* [Types](#types)
* [Compatibility](#compatibility)
* [Contribute](#contribute)
* [Security](#security)
* [License](#license)
## What is this?
This package can turn a string with tabs into a string with spaces.
## When should I use this?
You can use this package if *you* want to define how big the tab size is.
## Install
This package is [ESM only][esm].
In Node.js (version 14.14+, 16.0+), install with [npm][]:
```sh
npm install detab
```
In Deno with [`esm.sh`][esmsh]:
```js
import {detab} from 'https://esm.sh/detab@3'
```
In browsers with [`esm.sh`][esmsh]:
```html
<script type="module">
import {detab} from 'https://esm.sh/detab@3?bundle'
</script>
```
## Use
```js
import {detab} from 'detab'
console.log(detab('\tfoo\nbar\tbaz'))
console.log(detab('\tfoo\nbar\tbaz', 2))
console.log(detab('\tfoo\nbar\tbaz', 8))
```
Yields:
```txt
foo
bar baz
```
```txt
foo
bar baz
```
```txt
foo
bar baz
```
## API
This package exports the identifier `detab`.
There is no default export.
### `detab(value[, size=4])`
Replace tabs with spaces in `value` (`string`), being smart about which column
the tab is at and which `size` (`number`, default: `4`) should be used.
## Types
This package is fully typed with [TypeScript][].
It exports no additional types.
## Compatibility
This package is at least compatible with all maintained versions of Node.js.
As of now, that is Node.js 14.14+ and 16.0+.
It also works in Deno and modern browsers.
## Contribute
Yes please!
See [How to Contribute to Open Source][contribute].
## Security
This package is safe.
## License
[MIT][license] © [Titus Wormer][author]
<!-- Definitions -->
[build-badge]: https://github.com/wooorm/detab/workflows/main/badge.svg
[build]: https://github.com/wooorm/detab/actions
[coverage-badge]: https://img.shields.io/codecov/c/github/wooorm/detab.svg
[coverage]: https://codecov.io/github/wooorm/detab
[downloads-badge]: https://img.shields.io/npm/dm/detab.svg
[downloads]: https://www.npmjs.com/package/detab
[size-badge]: https://img.shields.io/bundlephobia/minzip/detab.svg
[size]: https://bundlephobia.com/result?p=detab
[npm]: https://docs.npmjs.com/cli/install
[esm]: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c
[esmsh]: https://esm.sh
[typescript]: https://www.typescriptlang.org
[contribute]: https://opensource.guide/how-to-contribute/
[license]: license
[author]: https://wooorm.com