@polymer/iron-meta

Useful for sharing information across a DOM tree

3.0.0
Source
npm

Version published: 6 years ago

Weekly downloads: 33K; decreased by-7.94%

Maintainers: 11

Weekly downloads

Created: 9 years ago

Source

<iron-meta>

iron-meta is a generic element you can use for sharing information across the DOM tree.

See: Documentation, Demo.

Usage

Installation

npm install --save @polymer/iron-meta

In an HTML file

<html>
  <head>
    <script type="module">
      import '@polymer/iron-meta/iron-meta.js';
    </script>
  </head>
  <body>
    <iron-meta key="info" value="foo"></iron-meta>
    <!-- Other elements reading from the key 'info' see the value 'foo'. -->
  </body>
</html>

In a Polymer 3 element

import {PolymerElement} from '@polymer/polymer/polymer-element.js';
import {html} from '@polymer/polymer/lib/utils/html-tag.js';

import '@polymer/iron-meta/iron-meta.js';

class ExampleElement extends PolymerElement {
  static get properties() {
    return {
      prop: String,
    };
  }

  static get template() {
    return html`
      <iron-meta key="info" value="{{prop}}"></iron-meta>
      info: [[prop]]
    `;
  }
}

customElements.define('example-element', ExampleElement);

Contributing

If you want to send a PR to this element, here are the instructions for running the tests and demo locally:

Installation

git clone https://github.com/PolymerElements/iron-meta
cd iron-meta
npm install
npm install -g polymer-cli

Running the demo locally

polymer serve --npm
open http://127.0.0.1:<port>/demo/

Running the tests

polymer test --npm

Keywords

FAQs

What is @polymer/iron-meta?

Is @polymer/iron-meta popular?

Is @polymer/iron-meta well maintained?

Package last updated on 13 Sep 2018

Did you know?

Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.

Install