Awesome
Hashicon
Generates a beautiful representation of any hash.
Usage
Install with:
$ npm install @emeraldpay/hashicon --save
Something that you want to represent visually. For example ID of an object on the screen.
const hash = "9dddff8f-be81-4c27-80c8-099327865f3f";
Create a hashicon
with default params:
import { hashicon } from 'hashicon';
const icon = hashicon(hash); // icon is a <canvas> element
const icon = hashicon(hash, 80); // size 80px
Or, pass custom params:
const params = {...};
const icon = hashicon(hash, params);
Finally, append the newly created hashicon
to the HTML document:
document.body.appendChild(icon);
React
Install with:
$ npm install @emeraldpay/hashicon-react --save
And use the component:
import { Hashicon } from 'hashicon-react';
// something that you want to represent visually. For example ID of an object on the screen.
const value = "9dddff8f-be81-4c27-80c8-099327865f3f";
// icon is a <canvas> element
<Hashicon value={value}/>
// Same icon with 80px in size
<Hashicon value={value} size={89}/>
Params
See default params
HashIcon's values are extracted from the hash, and controlled with the following parameters to manipulate the possible visual output:
{
// size px (HiDPI/Retina aware)
size: 100,
// primary color range radius ( 0=red, 60=yellow, 120=green, ..., 360=red )
hue: { min: 0, max: 360 },
// saturation ( 0=grey, 100=colorfull )
saturation: { min: 70, max: 100 },
// lightness ( 0=extremlydark, 50=optimal, 100=extremlybright )
lightness: { min: 45, max: 65 },
// hue variation for individual triangles
variation: { min: 7, max: 14, enabled: true },
// color shift from primary hue to secondary hue ( the pattern )
shift: { min: 60, max: 300 },
// the pattern opacity
figurealpha: { min: .7, max: 1.2 }, // alpha
// simulate a 3d cube by different areas gets some more/less light applyed
light:{ top:10, right:-8, left:-4, enabled: true},
// Allows a custom canvas to be used to render into
createCanvas: (width, height) => HTMLCanvasElement
}
Development
- Install package dependencies locally:
$ yarn install
- Start development environment:
$ yarn workspace @emeraldpay/hashicon run storybook
A browser pointing to Storybook demo will start automatically. If not opened, see console for:
╭─────────────────────────────────────────────────────╮
│ │
│ Storybook 5.3.19 started │
│ 3.62 s for manager and 3.32 s for preview │
│ │
│ Local: http://localhost:60490/ │
│ On your network: http://192.168.0.100:60490/ │
│ │
╰─────────────────────────────────────────────────────╯
And open the local url (http://localhost:60490/ in the example above)
Build
$ yarn build
Builds package into
lib/
folder inside each package.
License
Apache 2
See LICENSE