From 96f31716f94d0e7691b85ca90e7ea977ca3adb4d Mon Sep 17 00:00:00 2001
From: Henry Jameson <me@hjkos.com>
Date: Fri, 7 Jun 2019 00:17:49 +0300
Subject: slot-based emoji input/autocomplete component

---
 src/components/emoji-input/suggestor.js | 38 +++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/components/emoji-input/suggestor.js

(limited to 'src/components/emoji-input/suggestor.js')

diff --git a/src/components/emoji-input/suggestor.js b/src/components/emoji-input/suggestor.js
new file mode 100644
index 00000000..f1a0d0da
--- /dev/null
+++ b/src/components/emoji-input/suggestor.js
@@ -0,0 +1,38 @@
+export default function suggest (data) {
+  return input => {
+    const trimmed = input.trim()
+    const firstChar = trimmed[0]
+    console.log(`'${trimmed}'`, firstChar, firstChar === ':')
+    if (firstChar === ':' && data.emoji) {
+      return suggestEmoji(data.emoji)(trimmed)
+    }
+    if (firstChar === '@' && data.users) {
+      return suggestUsers(data.users)(trimmed)
+    }
+    return []
+  }
+}
+
+function suggestEmoji (emojis) {
+  return input => {
+    const shortcode = input.toLowerCase().substr(1)
+    console.log(shortcode)
+    return emojis.filter(emoji => emoji.shortcode.toLowerCase().startsWith(shortcode))
+  }
+}
+
+function suggestUsers (users) {
+  return input => {
+    const shortcode = input.toLowerCase().substr(1)
+    return users.filter(
+      user =>
+        user.screen_name.toLowerCase().startsWith('@' + shortcode) ||
+        user.name.toLowerCase().startsWith(shortcode)
+    ).map(({ screen_name, name, profile_image_url_original }) => ({
+      shortcode: screen_name,
+      detail: name,
+      image_url: profile_image_url_original,
+      replacement: '@' + screen_name
+    }))
+  }
+}
-- 
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