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scrubbable

v2.0.2

Published

Add Scrubbing functionality to your inputs

Downloads

13

Readme

Scrubbable

Live Demo

Lightweight library for creating scrubbable inputs to easily and precisely adjust values by taking advantage of Pointer Lock API.

Preview

image

Example

const canvas = document.getElementById('canvas_1');
const ctx = canvas.getContext('2d');

const inputRed = document.getElementById('input_red');

Scrubbable(inputRed, {
  min: 0,
  max: 255,
  step: 1,
  threshold: 16,
  onScrub: function (e) {
    const { width, height } = canvas;
    ctx.clearRect(0, 0, width, height);

    ctx.fillStyle = `rgb(${e.value}, 0, 0)`;
    ctx.fillRect(0, 0, width, height);
  },
});

Result:

image

Live

More examples in demo folder

Usage

Scrubbable(element, options)

Element: Any html element

Options :

  • min, max, step, and value. these values are inferred if input element is supplied. otherwise you must set this

  • decimals(default: auto): this value is supplied to Number.toFixed before calling update function. the default is depends on step value. you can turn it off by setting it to false.

  • width(default: 8) : If zone is not supplied. these values is used as the scrubbable area. you can set this value to "full" for full width or "padding" to use element padding

  • threshold(default: 14) : Number of pixels needed to adjust one step, useful for higher precision.

  • maxAcc(default: 2) : Limit the acceleration of mouse movement.

  • zone: set custom scrubbing area instead of input element. for example, you can set input labels as the scrubbing area.

  • location(default: left) : location of the scrubbing area if zone is not specified

  • update : set custom updater function. by default it will update value/textContent depends on element type.

  • onScrub(value, increment, config): called when scrubbing