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attodom's Introduction

attodom

yet another small DOM component library, < 1kb

• Why](#why) • APILicense

Why

  • experimenting on different APIs to find the minimal helpers required for dynamic nodes, elements and lists with one way data flow from root component to child nodes

Features

  • no virtual DOM, all operations are done on actual nodes
  • multiple dynamic lists within the same parent
  • svg support
  • synthetic events available
  • < 1kb gzip, no dependencies
  • Designed for phones and/or older browsers:
    • very low memory requirement
    • no transpilation required, all ES5

Limitations

  • strictly DOM element creation and manipulations (no router, no store)

API

Elements and Nodes (hyperscript)

  • el(tagName|Element [, attributes [,children ]] ): HTMLElement
  • svg(tagName|Element [, attributes [,children ]] ): SVGElement

where

  • attributes: {name: value, update: updateFunction}
  • children: {number|string|Node|Array<children>}
  • updateFunction: (this:Node, value:* [, key:* [, object:*]]): void

Synthetic Events

Synthetic events are used when the first letter of the event name is capitalised

  • regular event: el('h1', {onclick: handler}, 'click me')
  • synthetic event: el('h1', {onClick: handler}, 'click me')

Lists

  • list(parent:Node, factory, options): List

where

  • factory: function(value:* [, key:* [, object:*]]): Node
  • options.before: Node
  • options.after: Node
  • options.key: string | function([*], [number], [Array]): string
  • List: {parent, before, after, factory, key, map:{key:Node}, update}
  • list.update: function([*], [number], [Array]): List

list creates a List object with an update method that can update the parent children to match a data Array

import {el, svg, list} from 'attodom'
var ol = el('ol'),
    bullets = list(ol, (v, i) => el('li', i + ':' + v))
bullets.update(['a', 'b'])
// <ol><li>1:a</li><li>2:b</li></ol>

License

MIT © Hugo Villeneuve

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