♻️ Export bot-engine code into its own package

packages/bot-engine/variables/injectVariablesFromExistingResult.ts

@@ -0,0 +1,17 @@
+import { Result, Variable } from '@typebot.io/schemas'
+
+export const injectVariablesFromExistingResult = (
+  variables: Variable[],
+  resultVariables: Result['variables']
+): Variable[] =>
+  variables.map((variable) => {
+    const resultVariable = resultVariables.find(
+      (resultVariable) =>
+        resultVariable.name === variable.name && !variable.value
+    )
+    if (!resultVariable) return variable
+    return {
+      ...variable,
+      value: resultVariable.value,
+    }
+  })