liquid-tether

components.v-tooltip.js

import TooltipsterComponent from 'ember-cli-tooltipster/components/tool-tipster';
import { computed } from '@ember/object';

export default TooltipsterComponent.extend({
  // define properties
  content: 'test',
  contentAsHTML: true,
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
});

styles.app.css

body {
  min-height: 100%;
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

.ember-application > [class=".ember-view"] {
  height: 100%;
  min-height: 100%;
}

.global-wrapper {
	overflow: hidden;
  height: 100%;
  display: flex;
	overflow: auto;
  position: relative;
  padding-bottom: 400px;
}

.ember-application {
  min-height: 100%;
}

.block {
  border: 1px solid #000;
	width: 200px;
  height: 200px;
  overflow-y: scroll;
}

.block__fixed_yes {
	position: fixed;
  left: 300px;
  top: 0;
}

.hello-world {
	background-color: blue;
}

.hello-world-button {
	background-color: red;
}

templates.application.hbs

<div class="global-wrapper">
	<div class="main-view">
  	<div class="block">1</div>
    <div class="block">2</div>
    <div class="block">1</div>
    <div class="block">2</div>
    <div class="block block__fixed_yes">
    	Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
			{{#v-tooltip as |tooltip|}}
      	{{#if (eq tooltip 'trigger')}}
        	test
        {{else if (eq tooltip 'htmlContent')}}
        	Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum
         {{/if}}
      {{/v-tooltip}}
    </div>
  </div>
</div>

templates.components.v-tooltip.hbs

{{#tool-tipster}}
	{{yield 'trigger'}}
{{/tool-tipster}}

twiddle.json

{
  "version": "0.15.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "2.18.2",
    "ember-template-compiler": "2.18.2",
    "ember-testing": "2.18.2"
  },
  "addons": {
    "ember-data": "2.18.2",
    "ember-truth-helpers": "2.0.0",
    "ember-cli-tooltipster": "0.9.1"
  }
}