@antv/scale

Features

• Powerful: Ability to customize tickMethod are offered with abundant kinds of scales.
• High performance: Use different methods to cache some state of scales to improve performance.
• Fully embrace TypeScript: All code are written in TypeScript and complete type definition files are provided.

Installation

$ npm install @antv/scale

Getting Started

• Basic usage

import { Linear, LinearOptions } from '@antv/scale';

const options: LinearOptions = {
  domain: [0, 10],
  range: [0, 100],
};
const x = new Linear(options);

x.map(2); // 20
x.invert(20); // 2
x.getTicks(); // [0, 2.5, 5, 7.5, 10]

• Customize tickMethod

import { Linear } from '@antv/scale';

const x = new Linear({
  domain: [0, 10],
  range: [0, 100],
  tickCount: 3,
  tickMethod: () => [0, 5, 10],
});

x.getTicks(); // [0, 5, 10]

Links

• Introduction
• API Reference

Contribution

$ git clone git@github.com:antvis/scale.git

$ cd scale

$ npm i

$ npm t

Then send a pull request after coding.

License

MIT@AntV.