feat: provide sensible default title/dashedName (#53269)

tools/challenge-helper-scripts/helpers/new-challenge-prompts.ts

@@ -1,11 +1,35 @@
 import { prompt } from 'inquirer';
 import { challengeTypes } from '../../../shared/config/challenge-types';
+import { getLastStep } from './get-last-step-file-number';
 
 export const newChallengePrompts = async (): Promise<{
   title: string;
   dashedName: string;
   challengeType: string;
 }> => {
+  const challengeType = await prompt<{ value: string }>({
+    name: 'value',
+    message: 'What type of challenge is this?',
+    type: 'list',
+    choices: Object.entries(challengeTypes).map(([key, value]) => ({
+      name: key,
+      value
+    }))
+  });
+
+  const lastStep = getLastStep().stepNum;
+  const challengeTypeNum = parseInt(challengeType.value, 10);
+  const isTaskStep =
+    challengeTypeNum === challengeTypes.fillInTheBlank ||
+    challengeTypeNum === challengeTypes.dialogue;
+
+  const defaultTitle = isTaskStep
+    ? `Task ${lastStep + 1}`
+    : `Step ${lastStep + 1}`;
+  const defaultDashedName = isTaskStep
+    ? `task-${lastStep + 1}`
+    : `step-${lastStep + 1}`;
+
   const dashedName = await prompt<{ value: string }>({
     name: 'value',
     message: 'What is the short name (in kebab-case) for this challenge?',
@@ -20,21 +44,13 @@ export const newChallengePrompts = async (): Promise<{
     },
     filter: (block: string) => {
       return block.toLowerCase();
-    }
+    },
+    default: defaultDashedName
   });
   const title = await prompt<{ value: string }>({
     name: 'value',
     message: 'What is the title of this challenge?',
-    default: (title: { value: string }) => title.value
-  });
-  const challengeType = await prompt<{ value: string }>({
-    name: 'value',
-    message: 'What type of challenge is this?',
-    type: 'list',
-    choices: Object.entries(challengeTypes).map(([key, value]) => ({
-      name: key,
-      value
-    }))
+    default: defaultTitle
   });
 
   return {