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misbehave's Introduction

misbehave

Turn Polymer v1 components into behaviors

Build Status

Usage

Misbehave adds a method element.toBehavior() to all Polymer components which exports a behavior definition that can be used to effectively extend a component. The misbehave library should be included as an HTML import after Polymer.

<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../misbehave/misbehave.html">
<link rel="import" href="base-component.html">

<script>

  Polymer({

    is: 'ext-component',

    // ext-component now effectively extends the Polymer component base-component
    behaviors: [
      document.createElement('base-component').toBehavior()
    ]

  });

</script>

misbehave's People

Contributors

devinivy avatar

Stargazers

avatar avatar Lucas Parzych avatar avatar Filip avatar Kevin Donahue avatar

Watchers

James Cloos avatar avatar avatar

Forkers

cstruter jaichandra kaseya

misbehave's Issues

Tests broken in extended components

Here's an example:
extend paper-button using misbehave:

<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../misbehave/misbehave.html">
<link rel="import" href="../paper-button/paper-button.html">

<dom-module id="nd-button">
    <template strip-whitespace>
        <style include="paper-material-shared-styles">
      :host {
        @apply(--layout-inline);
        @apply(--layout-center-center);
        position: relative;
        box-sizing: border-box;
        min-width: 5.14em;
        margin: 0 0.29em;
        background: transparent;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
        -webkit-tap-highlight-color: transparent;
        font: inherit;
        text-transform: uppercase;
        outline-width: 0;
        border-radius: 3px;
        -moz-user-select: none;
        -ms-user-select: none;
        -webkit-user-select: none;
        user-select: none;
        cursor: pointer;
        z-index: 0;
        padding: 0.7em 0.57em;
        @apply(--paper-font-common-base);
        @apply(--paper-button);
      }
      :host([hidden]) {
        display: none !important;
      }
      :host([raised].keyboard-focus) {
        font-weight: bold;
        @apply(--paper-button-raised-keyboard-focus);
      }
      :host(:not([raised]).keyboard-focus) {
        font-weight: bold;
        @apply(--paper-button-flat-keyboard-focus);
      }
      :host([disabled]) {
        background: #eaeaea;
        color: #a8a8a8;
        cursor: auto;
        pointer-events: none;
        @apply(--paper-button-disabled);
      }
      :host([animated]) {
        @apply(--shadow-transition);
      }
      paper-ripple {
        color: var(--paper-button-ink-color);
      }
    </style>
        <content></content>
    </template>

<script>
Polymer({
        is: 'nd-button',

        behaviors: [
            document.createElement('paper-button').toBehavior()
        ]
    });
</script>

</dom-module>

Now copy the paper-button tests from https://github.com/PolymerElements/paper-button/tree/master/test and replace paper-button with nd-button and run the tests.
You'll see the click event test fails with Error: done() called multiple times error.

I see that the keybindings array contains duplicate bindings

Check here:
iron-a11y-keys-behavior/iron-a11y-keys-behavior.html > _onKeyBindingEvent: function(keyBindings, event) - line # 455

Need help fixing this.

Extending custom elements that extend <template>

The toBehavior() method doesn't appear on any element that extends template:

>>> document.createElement("template", "dom-repeat").toBehavior();
TypeError: toBehavior is not a function.

>>> document.createElement("input", "iron-input").toBehavior();
[[Object], [Object]]

Custom elements that extend elements like input or 'div' appear to work fine, and newly defined extensions to template also do not work, suggesting that this is only the template element, though I have not exhaustively tested all non-template elements.

http://jsbin.com/bidamuw/edit?html,console

Enhance behavior tests

I experienced a weird thing, where properties within behaviors were not being used. Make sure we understand if this is misbehave's problem or not.

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