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f1-dom

experimental

f1-dom wraps f1 to animate style's of dom elements. f1 is a UI animation library where you first define all the states of your UI and then by defining transitions between those states. For more information check out f1's documentation

chief is also exposed in the f1-dom module via require('f1-dom/chief'). For more information on chief see chief's documentation

Usage

NPM

See the example running here in Requirebin.com

var f1DOM = require('f1-dom');
var elButton;
var button;

// data-f1 defines an association with states
// which are later defined when creating an f1 instance
document.body.innerHTML = 
'<div data-f1="elButton">' +
  '<div data-f1="text">Im a button</div>' +
'</div>';

button = f1DOM({
  // define the container where your button lives
  el: document.body,
  
  // define what your button will look like in each state: out, idle
  states: {
    idle: {
      elButton: {
        style: {
          padding: 10, // padding: 10px
          margin: 10, // margin: 10px
          backgroundColor: [ 255, 0, 255 ], // rgb(255, 0, 255)
          cursor: 'pointer', // we can change this so why not
          alpha: 0, // Using alpha sets visbility: hidden when at 0 to prevent mouse events
          display: 'inline-block'
        }
      },

      text: {
        style: {
          color: [ 33, 33, 33 ], // rgb(33, 33, 33)
          rotate: [ 0, 0, 0 ] // transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg)
        }
      }
    },

    over: {
      elButton: {
        style: {
          padding: 20, // padding: 20px
          margin: 0, // margin: 0px
          backgroundColor: [ 255, 0, 0 ], // change the rgb values
          cursor: 'progress', // we can change this so why not
          alpha: 1, 
          display: 'inline-block'
        }
      },

      text: {
        style: {
          color: [ 255, 255, 255 ], // rgb(255, 255, 255)
          rotate: [ 0, 0, 15 ] // transform: rotateX(0deg) rotateY(0deg) rotateZ(15deg)
        }
      }
    }
  },

  // define transitions between states (for info on how to write
  // fancier animations check out f1's documentation)
  transitions: [
    { from: 'idle', to: 'over', bi: true }
  ]
})
.init('idle'); // initialize the button in the out state defined in states


elButton = document.querySelector('[data-f1]');

// `go` will tell the button to go to the state defined
elButton.onmouseover = function() { button.go('over'); };
elButton.onmouseout = function() { button.go('idle'); };

CSS Handling

f1-dom does a few things to make css properties more animatable.

Adds PX to the end of certain properties

If values for properties such as left, height, padding, margin, etc. are passed in as Numbers f1-dom will automatically add px to the end.

Color handling

In order to animate color's properties such as color and backgroundColor arrays can be passed instead which are converted to either rgb or rgba css values.

transform and transformOrigin

To animate transform just pass in arrays containing values for translate, scale, and rotate. For instance passing in translate: [100, 200, 300] this will be converted to:

transform: translateX(100px) translateY(200px) translateZ(300px)

transformOrigin can be passed as an array such as transformOrigin: [0, 1] which will be converted to:

transformOrigin: 0% 100%

alpha

Using the keyword alpha (or autoAlpha to mimic gsap) instead of opacity will tween the opacity as you would expect, but it will also set the visibility property. It will set visibility to hidden when opacity is set to 0 and visible all other times. This will ensure hidden elements will not respond to mouse events.

License

MIT, see LICENSE.md for details.

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