update json example, add TODO

README.md

@@ -86,20 +86,19 @@ $ updates -j | jq
 {
   "results": {
     "dependencies": {
-      "string-width": {
-        "old": "2.1.1",
-        "new": "3.0.0",
-        "info": "https://github.com/sindresorhus/string-width"
-      },
+      "p-map": {
+        "old": "3.0.0",
+        "new": "4.0.0",
+        "info": "https://github.com/sindresorhus/p-map",
+        "age": "3 days"
+      }
+    },
+    "devDependencies": {
       "eslint": {
-        "old": "5.9.0",
-        "new": "5.10.0",
-        "info": "https://github.com/eslint/eslint"
-      },
-      "eslint-config-silverwind": {
-        "old": "2.0.11",
-        "new": "2.0.12",
-        "info": "https://github.com/silverwind/eslint-config-silverwind"
+        "old": "6.7.2",
+        "new": "6.8.0",
+        "info": "https://github.com/eslint/eslint",
+        "age": "3 months"
       }
     }
   }

updates.js

@@ -609,7 +609,7 @@ async function checkUrlDep([key, dep], {useGreatest} = {}) {
       const newRange = dep.old.replace(oldRef, newRef);
       return {key, newRange, user, repo, oldRef, newRef, newDate};
     }
-  } else {
+  } else { // TODO: newDate support
     const res = await fetch(`https://api.github.com/repos/${user}/${repo}/git/refs/tags`);
     if (!res || !res.ok) return;
     const data = await res.json();