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savyg

v1.2.4

Published

A savvy library to create svg elements and charts with ease

Downloads

24

Readme

savyg

npm

A savvy library to create svg elements and charts with ease.

SVG is awesome. But writing SVG on a low level can be tedious. This library is designed to make SVG coding more declarative and enjoyable.

This Typescript library also comes with built-in charts, you can tailor to your needs. It is lowely opinionated.

documentation

This project just started. The basic blocks are there. Many more charts are on the cards.

Installation

npm install savyg

yarn add savyg

pnpm add savyg

bun add savyg

charts

Making charts is easy. Here is how you can create a progression chart, with lines, bars and plots:

import { chartXy } from "savyg";

    chartXy({
        dataset: [
            {
                name: 'serie 1',
                values: [0, -1, -1, -2, -3, -5, -8.13, -13.54, -21, -34, -55, -89],
                type: "bar",
                rounding: 1,
                plotRadius: 0,
                gradientFrom: "#FF000033",
                gradientTo: "#0000FF33",
                rx: 3
            },
            {
                name: 'serie 2',
                values: [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89],
                type: "line",
                fill: "#FF000033"
            },
            {
                name: 'serie 3',
                values: [89, 55, 34, 21],
                type: "plot",
                plotRadius: 3
            },
        ],
        // The HTML element where the chart will be inserted:
        parent: document.querySelector('#myDiv'),
        options: {
            barSpacing: 2,
            showAxis: true,
            xAxisLabels: ["JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"],
            title: "Title",
        }
    })

check the docs

Here is how you can create a donut chart:

import { chartDonut } from "savyg";

chartDonut({
   dataset: [
      {
         name: "serie 1",
         value: 20,
      },
      {
         name: "serie 2",
         value: 10,
      },
      {
         name: "serie 3",
         value: 10,
      },
      {
         name: "serie 4",
         value: 20,
      },
   ],
   // The HTML element where the chart will be inserted:
   parent: document.querySelector('#myDiv'),
   options: {
      title: "Title",
   }
})

check the docs

Here is how you can create a gauge chart:

import { chartGauge } from "savyg";

chartGauge({
    value: 66.7,
    segments: [
        {
            from: -100,
            to: 0,
            color: "red"
        },
        {
            from: 0,
            to: 100,
            color: "green"
        }
    ],
    // The HTML element where the chart will be inserted:
    parent: document.querySelector('#myDiv'),
    options: {
        title: "Title",
        valueRounding: 1
    }
})

check the docs

Here is how you can create a sparkline chart:

import { chartSparkline } from "savyg";

chartSparkline({
    dataset : {
        name: 'Title',
        values: [1, 2, 3, 5, 8, 13],
        periods: ['JAN', 'FEB', 'MAR', 'APR', 'MAY', 'JUN']
    },
    // The HTML element where the chart will be inserted:
    parent: document.querySelector('#myDiv'),
    options: {
        titleFontSize: 8,
        showArea: true
    }
});

check the docs

SVG api

If you need to write SVG close to the metal but want to spare the hassle, this api is for you.

Need a circle ?

import { circle } from "savyg";

circle({
    options: {
        x: 10,
        y: 10,
        r: 5,
        fill: "red"
    },
    parent: document.querySelector('#mySvg')
})

...or a rectangle, to be used later ?

import { rect } from "savyg";

const myGreenRect = rect({
    options: {
        x: 0,
        y: 0,
        height: 10,
        width: 10,
        fill: "green"
    }
})

alreadyDeclaredSvg.appendChild(myGreenRect)

check detailed SVG api here

Headless

savyg does not ship css files.

To further customize your charts, css classes are exposed.