[expo-cli] check when field when prompting in noninteractive mode

packages/expo-cli/src/prompt.ts

@@ -11,8 +11,22 @@ export default function prompt(
   questions: CliQuestions,
   { nonInteractiveHelp }: { nonInteractiveHelp?: string } = {}
 ) {
-  const nQuestions = Array.isArray(questions) ? questions.length : 1;
-  if (program.nonInteractive && nQuestions !== 0) {
+  questions = Array.isArray(questions) ? questions : [questions];
+  const nQuestions = questions.length;
+  if (program.nonInteractive) {
+    const isAllWhenFalse =
+      questions.filter(question => {
+        if (!('when' in question)) {
+          return true;
+        } else if (typeof question.when === 'function') {
+          return question.when({});
+        } else {
+          return question.when;
+        }
+      }).length === 0;
+    if (nQuestions === 0 || isAllWhenFalse) {
+      return {} as any;
+    }
     let message = `Input is required, but Expo CLI is in non-interactive mode.\n`;
     if (nonInteractiveHelp) {
       message += nonInteractiveHelp;