ember-popperjs

A single <PopperJS> component with easy to use API for creating popovers, tooltips, etc.

Compatibility

• Ember.js v3.25 or above
• Ember CLI v3.25 or above
• Webpack v5 or above
• ember-auto-import v2 or above

Installation

ember install ember-popperjs

Usage

Example building a <Menu /> component

<PopperJS as |reference popover|>
  <button {{reference}} {{on "click" this.yourClickHandler}}>
    {{yield to="trigger"}}
  </button>

  {{#if this.yourVisibilityIndicator}}
    <div {{popover}}>
      This is a popover!
      {{yield to="default"}}
    </div>
  {{/if}}
</PopperJS>

Things <PopperJS> does not do:

• provide styles for making a popover
• provide click handlers for showing and hiding the popover

However, this addon pairs nicely with Tailwind CSS and HeadlessUI and a menu popover may look like:

<Menu as |menu|>
  <PopperJS as |reference popover|>
    <menu.Button
      {{reference}}
      class="
        text-black
        relative rounded-sm border border-gray-900 bg-white px-2 py-1 -my-1 text-left
        transition ease-in-out duration-150 sm:text-sm
        focus:ring-4 focus-visible:outline-none focus:outline-none
      "
      ...attributes
    >
      {{yield menu to="trigger"}}
    </menu.Button>

    <menu.Items
      {{popover}}
      class="absolute top-2 z-20 grid mt-1 rounded-sm bg-white shadow-lg min-w-max"
      as |items|
    >
      {{yield (component 'limber/menu/button' item=items.Item) to="options"}}
    </menu.Items>
  </PopperJS>
</Menu>

<Menu> provides the click handlers and visibility controls that make a popover behave as you would expect.

API

yield parameters

<PopperJS as |reference popover|>
  ...
</PopperJS>

• reference - modifier - sets up the target element for the popover element to position itself to
• popover - modifier - attaches to the element that is the container of the popover content

arguments

@placement

The default placement is "bottom-end", but any placement described by the Placement options on the popper.js site will work.

For example,

<PopperJS @placement="top" as |reference popover|>
  ...
</PopperJS>

@options

If the default options don't suit you, you may override them entirely. These options are not merged with any defaults, but allow straight pass-through, of the Popper.js Options object.

Additionally, some options require references to the reference element as well as the popover element, so if you need that level of flexibility, @options may also be a function with the following signature:

(reference: HTMLElement, popover: HTMLElement) => Partial<Options>;

Note that if using @options, @placement will be ignored.

Contributing

See the Contributing guide for details.

License

This project is licensed under the MIT License.