svelte-dialog/src/Dialog.html

Vanilla JS dialog services and components made with Svelte.

<Modal ref:modal>
  <div
    ref:dialog
    class="svelte-dialog"
    role="alertdialog"
    aria-labelledby="{{ ids.heading }}"
    aria-describedby="{{ ids.description }}"
  >
    <div class="dialog-container"> <!-- this element is here for the sake of restricting width -->

      <section class="dialog-main">
        <h1
          id="{{ ids.heading }}"
          class="dialog-heading"
        >{{ heading }}</h1>

        <p
          id="{{ ids.description }}"
          class="dialog-description"
        >{{ description || '' }}</p>
      </section>

      <div class="dialog-actions">
        <slot ref:actions name="actions"></slot>
      </div>

    </div>
  </div>
</Modal>

<script>
import Modal from 'svelte-modal'
import { forwardDataFrom, forwardEventsFrom, addMethodsFrom } from './lib/svelte-utils'

let id = -1

const DEFAULTS = Object.assign({}, Modal.DEFAULTS, {
  center: true,
  heading: `${location.host} says...`,
  description: 'Press "OK" to continue.',
  okText: 'OK'
})
const FIRES = Object.assign({}, Modal.FIRES, {
  dismiss: 'dismiss',
  close: 'close'
})
const ONS = Modal.ONS
;[ DEFAULTS, FIRES ].forEach(Object.freeze)

export default {
  setup (Dialog) {
    Object.assign(Dialog, { DEFAULTS, FIRES, ONS })
  },

  components: { Modal },

  data () {
    ++id

    return Object.assign({}, DEFAULTS, {
      ids: {
        heading: `svelte-dialog-heading-${id}`,
        description: `svelte-dialog-description-${id}`
      }
    })
  },

  oncreate () {
    forwardDataFrom(this, this.refs.modal, Modal.DEFAULTS)
    forwardEventsFrom(this.refs.modal, this, Modal.FIRES)
    addMethodsFrom(this.refs.modal, this, [ 'open', 'dismiss', 'close' ])
  }
}
</script>

<style>
.svelte-dialog {
  max-width: calc(100vw - 20px);
  background-color: white;
  box-shadow: 0 7px 8px -4px rgba(0,0,0,.2), 0 13px 19px 2px rgba(0,0,0,.14), 0 5px 24px 4px rgba(0,0,0,.12);
  border-radius: 4px;
  color: rgba(0,0,0,0.87);
  max-height: 100vh;
  overflow-y: auto;
}

.svelte-dialog:focus { /* when defaultAction is false, this gets initial focus */
  outline: 0;
}

.dialog-container {
  min-width: 275px;
  max-width: 400px;
}

@media (min-width: 960px) {
  .dialog-container {
    min-width: 360px;
    max-width: 440px;
  }
}

.dialog-main {
  padding: 24px;
}

.dialog-heading {
  font-size: 20px;
  font-weight: 500;
  margin: 0 0 10px 0;
}

.dialog-description {
  margin: 12px 0 24px 0;
  font-size: 16px;
  line-height: 1.6;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  margin: 0 24px 0 48px;
}

:global(.dialog-action) {
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  color: rgb(16,108,200);
  text-transform: uppercase;
  border: 0;
  background: none;
  padding: 10px;
  margin: 8px 0 8px 8px;
  box-sizing: border-box;
  min-width: 93px;
  cursor: pointer;
  transition: background-color 400ms cubic-bezier(.25, .8, .25, 1);
}

:global(.dialog-action:focus) {
  outline: none;
}

:global(.dialog-action:focus), :global(.dialog-action.emphasized) {
  background-color: rgba(158,158,158,0.2);
}
</style>