Initial Setup of fs-09 Objective

levels/tower_of_knowledge/level.json

@@ -12,6 +12,7 @@
     "fs-02-pwd",
     "fs-03-ls",
     "fs-04-cd",
-    "fs-05-mkdir"
+    "fs-05-mkdir",
+    "fs-09-cutlery"
   ]
 }

levels/tower_of_knowledge/objectives/fs-09-cutlery/description.md

@@ -0,0 +1,25 @@
+<% const isWindows = context.systemInfo.os === 'win32'; %>
+
+# Creating Our Own Directories
+
+<div class="aside">
+<h3>Requirements</h3>
+<ul>
+  <li>Step 1.</li>
+  <li>Step 2.</li>
+  <li>Step 3</li>
+  <li>Once you're done, press <em>HACK</em>.</li>
+</ul>
+</div>
+
+General content here...
+
+<% if(isWindows) { %>
+
+windows specific content
+
+<% } else { %>
+
+\*nix specific content
+
+<% } %>

levels/tower_of_knowledge/objectives/fs-09-cutlery/objective.json

@@ -0,0 +1,16 @@
+{
+  "title": "Finding the fork",
+  "description": "Given a directory tree representing a file system, find the path to the fork.",
+  "validation_fields": [
+    {
+      "name": "filePath",
+      "type": "text",
+      "placeholder": "/path/to/file",
+      "label": "What is the path to the \"fork\" file?"
+    }
+  ],
+  "show_ide": false,
+  "rewards": {
+    "xp": 100
+  }
+}

levels/tower_of_knowledge/objectives/fs-09-cutlery/validator.js

@@ -0,0 +1,35 @@
+const { existsSync } = require("fs");
+
+module.exports = async function (helper) {
+  const filePath = helper.getNormalizedInput("filePath", {
+    lowerCase: false,
+  });
+
+  try {
+    if (!filePath) {
+      helper.fail(
+        'You need to provide the path to the "fork" file in the Hack Interface!'
+      );
+      return;
+    }
+
+    if (!existsSync(filePath)) {
+      helper.fail(
+        `TwilioQuest could not find the "fork" file at the path you entered, "${newDirPath}".`
+      );
+      return;
+    }
+
+    // TODO: add checks for partial path, case sensitivity, and separators once the predefined path for this objective
+    // has been determined
+  } catch (err) {
+    helper.fail(`An error occurred while TwilioQuest was trying to validate the path to gave to the "fork" file.
+
+    ${err}`);
+    return;
+  }
+
+  helper.success(
+    'TwiloQuest was able to find the "fork" file at the path you provided! Good job!'
+  );
+};

levels/tower_of_knowledge/objectives/fs-09-cutlery/walkthrough.md

@@ -0,0 +1,3 @@
+# Walkthrough
+
+Content here...