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+# boolean
+
+boolean converts lots of things to boolean.
+
+## Status
+
+| Category         | Status                                                                                                                                     |
+| ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------ |
+| Version          | [![npm](https://img.shields.io/npm/v/boolean)](https://www.npmjs.com/package/boolean)                                                      |
+| Dependencies     | ![David](https://img.shields.io/david/thenativeweb/boolean)                                                                                |
+| Dev dependencies | ![David](https://img.shields.io/david/dev/thenativeweb/boolean)                                                                            |
+| Build            | ![GitHub Actions](https://github.com/thenativeweb/boolean/workflows/Release/badge.svg?branch=main) |
+| License          | ![GitHub](https://img.shields.io/github/license/thenativeweb/boolean)                                                                      |
+
+## Installation
+
+```shell
+$ npm install boolean
+```
+
+## Quick start
+
+First you need to add a reference to boolean in your application:
+
+```javascript
+const { boolean, isBooleanable } = require('boolean');
+```
+
+If you use TypeScript, use the following code instead:
+
+```typescript
+import { boolean, isBooleanable } from 'boolean';
+```
+
+To verify a value for its boolean value, call the `boolean` function and provide the value in question as parameter:
+
+```javascript
+console.log(boolean('true')); // => true
+```
+
+The `boolean` function considers the following values to be equivalent to `true`:
+
+-   `true` (boolean)
+-   `'true'` (string)
+-   `'TRUE'` (string)
+-   `'t'` (string)
+-   `'T'` (string)
+-   `'yes'` (string)
+-   `'YES'` (string)
+-   `'y'` (string)
+-   `'Y'` (string)
+-   `'on'` (string)
+-   `'ON'` (string)
+-   `'1'` (string)
+-   `1` (number)
+
+In addition to the primitive types mentioned above, boolean also supports their object wrappers `Boolean`, `String`, and `Number`.
+
+_Please note that if you provide a `string` or a `String` object, it will be trimmed._
+
+All other values, including `undefined` and `null` are considered to be `false`.
+
+### Figuring out whether a value can be considered to be boolean
+
+From time to time, you may not want to directly convert a value to its boolean equivalent, but explicitly check whether it looks like a boolean. E.g., although `boolean('F')` returns `false`, the string `F` at least looks like a boolean, in contrast to something such as `123` (for which `boolean(123)` would also return `false`).
+
+To figure out whether a value can be considered to be a boolean, use the `isBooleanable` function:
+
+```javascript
+console.log(isBooleanable('true')); // => true
+```
+
+The `isBooleanable` function considers all of the above mentioned values to be reasonable boolean values, and additionally, also the following ones:
+
+-   `false` (boolean)
+-   `'false'` (string)
+-   `'FALSE'` (string)
+-   `'f'` (string)
+-   `'F'` (string)
+-   `'no'` (string)
+-   `'NO'` (string)
+-   `'n'` (string)
+-   `'N'` (string)
+-   `'off'` (string)
+-   `'OFF'` (string)
+-   `'0'` (string)
+-   `0` (number)
+
+## Running quality assurance
+
+To run quality assurance for this module use [roboter](https://www.npmjs.com/package/roboter):
+
+```shell
+$ npx roboter
+```