add submitter fields autocomplete

app/javascript/application.js

@@ -15,6 +15,7 @@ import DownloadButton from './elements/download_button'
 import SetOriginUrl from './elements/set_origin_url'
 import SetTimezone from './elements/set_timezone'
 import AutoresizeTextarea from './elements/autoresize_textarea'
+import SubmittersAutocomplete from './elements/submitter_autocomplete'
 
 import * as TurboInstantClick from './lib/turbo_instant_click'
 
@@ -43,6 +44,7 @@ window.customElements.define('download-button', DownloadButton)
 window.customElements.define('set-origin-url', SetOriginUrl)
 window.customElements.define('set-timezone', SetTimezone)
 window.customElements.define('autoresize-textarea', AutoresizeTextarea)
+window.customElements.define('submitters-autocomplete', SubmittersAutocomplete)
 
 document.addEventListener('turbo:before-fetch-request', encodeMethodIntoRequestBody)
 document.addEventListener('turbo:submit-end', async (event) => {

app/javascript/application.scss

@@ -91,3 +91,30 @@ button[disabled] .enabled {
   right: auto;
   bottom: auto;
 }
+
+.autocomplete {
+  background: white;
+  z-index: 1000;
+  font: 14px/22px "-apple-system", BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+  overflow: auto;
+  box-sizing: border-box;
+  @apply border border-base-300;
+}
+
+.autocomplete * {
+  font: inherit;
+}
+
+.autocomplete > div {
+  padding: 0 4px;
+}
+
+.autocomplete .group {
+  background: #eee;
+}
+
+.autocomplete > div:hover:not(.group),
+.autocomplete > div.selected {
+  @apply bg-base-300;
+  cursor: pointer;
+}

app/javascript/elements/submitter_autocomplete.js

@@ -0,0 +1,56 @@
+import autocomplete from 'autocompleter'
+
+export default class extends HTMLElement {
+  connectedCallback () {
+    autocomplete({
+      input: this.input,
+      preventSubmit: 1,
+      minLength: 1,
+      showOnFocus: true,
+      onSelect: this.onSelect,
+      render: this.render,
+      fetch: this.fetch
+    })
+  }
+
+  onSelect = (item) => {
+    const fields = ['email', 'name', 'phone']
+    const submitterItemEl = this.closest('submitter-item')
+
+    fields.forEach((field) => {
+      const input = submitterItemEl.querySelector(`submitters-autocomplete[data-field="${field}"] input`)
+
+      if (input && item[field]) {
+        input.value = item[field]
+      }
+    })
+  }
+
+  fetch = (text, resolve) => {
+    if (text) {
+      const queryParams = new URLSearchParams({ q: text, field: this.dataset.field })
+
+      fetch('/api/submitters_autocomplete?' + queryParams).then(async (resp) => {
+        const items = await resp.json()
+
+        resolve(items)
+      }).catch(() => {
+        resolve([])
+      })
+    } else {
+      resolve([])
+    }
+  }
+
+  render = (item) => {
+    const div = document.createElement('div')
+
+    div.textContent = item[this.dataset.field]
+
+    return div
+  }
+
+  get input () {
+    return this.querySelector('input')
+  }
+}