♻️ Export bot-engine code into its own package

packages/bot-engine/variables/findUniqueVariableValue.ts

@@ -0,0 +1,12 @@
+import { Variable } from '@typebot.io/schemas'
+
+export const findUniqueVariableValue =
+  (variables: Variable[]) =>
+  (value: string | undefined): Variable['value'] => {
+    if (!value || !value.startsWith('{{') || !value.endsWith('}}')) return null
+    const variableName = value.slice(2, -2)
+    const variable = variables.find(
+      (variable) => variable.name === variableName
+    )
+    return variable?.value ?? null
+  }