✨ Add WhatsApp integration beta test (#722)

Related to #401

packages/lib/computeTypingDuration.ts

@@ -0,0 +1,25 @@
+import {
+  TypingEmulation,
+  defaultSettings,
+} from '@typebot.io/schemas/features/typebot/settings'
+
+type Props = {
+  bubbleContent: string
+  typingSettings?: TypingEmulation
+}
+
+export const computeTypingDuration = ({
+  bubbleContent,
+  typingSettings = defaultSettings({ isBrandingEnabled: false })
+    .typingEmulation,
+}: Props) => {
+  let wordCount = bubbleContent.match(/(\w+)/g)?.length ?? 0
+  if (wordCount === 0) wordCount = bubbleContent.length
+  const typedWordsPerMinute = typingSettings.speed
+  let typingTimeout = typingSettings.enabled
+    ? (wordCount / typedWordsPerMinute) * 60000
+    : 0
+  if (typingTimeout > typingSettings.maxDelay * 1000)
+    typingTimeout = typingSettings.maxDelay * 1000
+  return typingTimeout
+}