# ts-when

**Repository Path**: jamesfancy/ts-when

## Basic Information

- **Project Name**: ts-when
- **Description**: when expression for JavaScript/TypeScript
- **Primary Language**: Unknown
- **License**: MulanPSL-2.0
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2023-04-19
- **Last Updated**: 2023-04-19

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# when expression for JavaScript/TypeScript

## Example

```typescript
import { when } from "@jamesfancy/when";

function calcGrade(score: number) {
    return when(score)(
        [v => v >= 0 && v < 80, v => `B`],
        [v => v >= 80 && v < 100, v => `A`],
        [100, () => "S"],
        [_ => true, v => `D`],
    );
}
```