@polymer/iron-meta NPM

<iron-meta>

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

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

web-components polymer

@polymer/polymer

@infinitebrahmanuniverse/nolb-_pol @everything-registry/sub-chunk-731 spinner-element @anviltech/wuf-poly-paper-elements @api-components/authorization-panel @api-components/oauth-authorization @advanced-rest-client/validatable-mixin @advanced-rest-client/validator-mixin @aire-ux/aire-wizard @aire-ux/aire-overlay @aire-ux/aire-switch @advanced-rest-client/auth-methods @advanced-rest-client/authorization-panel @advanced-rest-client/oauth-authorization vaadin-flow-bom @haxtheweb/lrn-icon @lrnwebcomponents/lrn-icon @lrnwebcomponents/iconset-demo @lrnwebcomponents/paper-icon-picker @mkazlauskas/plastik-regex-validator @polymer/iron-validator-behavior @polymer/iron-icon @polymer/iron-iconset @polymer/iron-iconset-svg @polymer/iron-validatable-behavior @nuxeo/nuxeo-ui-elements plastic-map-marker-svg @vaadin/vaadin-core-shrinkwrap @vaadin/vaadin-shrinkwrap @vistro/iron-iconset-svg @xpertsea/sea-form

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