♻️ Export bot-engine code into its own package

packages/bot-engine/variables/transformVariablesToList.ts

@@ -0,0 +1,26 @@
+import { isNotDefined } from '@typebot.io/lib/utils'
+import { Variable, VariableWithValue } from '@typebot.io/schemas'
+
+export const transformStringVariablesToList =
+  (variables: Variable[]) =>
+  (variableIds: string[]): VariableWithValue[] => {
+    const newVariables = variables.reduce<VariableWithValue[]>(
+      (variables, variable) => {
+        if (
+          !variableIds.includes(variable.id) ||
+          isNotDefined(variable.value) ||
+          typeof variable.value !== 'string'
+        )
+          return variables
+        return [
+          ...variables,
+          {
+            ...variable,
+            value: [variable.value],
+          },
+        ]
+      },
+      []
+    )
+    return newVariables
+  }