From 34108d730f848b031346d20f8901e2184e9c04c4 Mon Sep 17 00:00:00 2001
From: Wes Todd <wes@wesleytodd.com>
Date: Thu, 11 Sep 2025 11:55:47 -0500
Subject: [PATCH] feat: add isSupported, isMaintenance, isSecurity, and modules

---
 index.d.ts      |  4 ++++
 index.js        | 44 +++++++++++++++++++++++++++++++++-----------
 index.test-d.ts |  4 ++++
 test/index.js   | 11 +++++++++++
 4 files changed, 52 insertions(+), 11 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index 4ebaaff..372edd0 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -19,6 +19,10 @@ interface VersionInfo {
   end?: Date;
   releaseDate: Date;
   isLts: boolean;
+  isSupported: boolean;
+  isMaintenance: boolean;
+  isSecurity: boolean;
+  modules: string;
   files: string[];
   dependencies: {
     npm: string,
diff --git a/index.js b/index.js
index 453ffdf..c2c8671 100644
--- a/index.js
+++ b/index.js
@@ -10,7 +10,11 @@ module.exports = async function (alias = 'lts_active', opts = {}) {
   const latestOfMajorOnly = opts.latestOfMajorOnly || false
 
   const a = Array.isArray(alias) ? alias : [alias]
-  const versions = await getLatestVersionsByCodename(now, cache, mirror)
+  const versions = await getLatestVersionsByCodename({
+    now,
+    cache,
+    mirror
+  })
 
   // Reduce to an object
   let m = a.reduce((m, a) => {
@@ -70,7 +74,7 @@ function getVersions (cache, mirror) {
   }).json()
 }
 
-async function getLatestVersionsByCodename (now, cache, mirror) {
+async function getLatestVersionsByCodename ({ now, cache, mirror }) {
   const schedule = await getSchedule(cache)
   const versions = await getVersions(cache, mirror)
 
@@ -102,6 +106,10 @@ async function getLatestVersionsByCodename (now, cache, mirror) {
       end: s && s.end && new Date(s.end),
       releaseDate: new Date(ver.date),
       isLts: false,
+      isSupported: false,
+      isMaintenance: false,
+      isSecurity: ver.security,
+      modules: ver.modules,
       files: ver.files || [],
       dependencies: {
         npm: ver.npm,
@@ -112,30 +120,38 @@ async function getLatestVersionsByCodename (now, cache, mirror) {
       }
     }
 
-    // All versions get added to all
-    obj.all.push(v)
+    // Is in any supported period
+    if (now > v.start && now < v.end) {
+      v.isSupported = true
 
-    // Add specific version references
-    obj[v.version] = obj[`v${v.version}`] = v
+      // Is in maintenence period
+      if (now > v.maintenance) {
+        v.isMaintenance = true
+      }
+
+      // Latest lts
+      if (now > v.lts) {
+        v.isLts = true
+      }
+    }
 
     // The new version is higher than the last stored version for this release line
     if (!obj[versionName] || semver.gt(ver.version, obj[versionName].version)) {
       // Version and codename alias
       obj[versionName] = obj[codename] = v
 
-      if (now > v.start && now < v.end) {
+      if (v.isSupported) {
         supported[versionName] = v
 
-        if (now < v.maintenance) {
+        if (!v.isMaintenance) {
           active[versionName] = v
         }
 
         // Latest lts
-        if (now > v.lts) {
+        if (v.isLts) {
           lts[versionName] = v
-          v.isLts = true
 
-          if (now < v.maintenance) {
+          if (!v.isMaintenance) {
             ltsActive[versionName] = v
           }
 
@@ -151,6 +167,12 @@ async function getLatestVersionsByCodename (now, cache, mirror) {
       }
     }
 
+    // All versions get added to all
+    obj.all.push(v)
+
+    // Add specific version references
+    obj[v.version] = obj[`v${v.version}`] = v
+
     return obj
   }, {
     all: []
diff --git a/index.test-d.ts b/index.test-d.ts
index f6d2b39..a8ce2ae 100644
--- a/index.test-d.ts
+++ b/index.test-d.ts
@@ -16,6 +16,10 @@ import assert from 'node:assert'
   assert(versions[0].end)
   assert(versions[0].releaseDate)
   assert(versions[0].isLts)
+  assert(versions[0].isSupported)
+  assert(versions[0].isMaintenance)
+  assert(versions[0].isSecurity)
+  assert(versions[0].modules)
   assert(versions[0].files)
   assert(versions[0].dependencies)
   assert(versions[0].dependencies.npm)
diff --git a/test/index.js b/test/index.js
index cba2ab0..516352c 100644
--- a/test/index.js
+++ b/test/index.js
@@ -22,6 +22,9 @@ suite('nv', () => {
     assert.strictEqual(versions[0].maintenance.toISOString(), '2020-05-19T00:00:00.000Z')
     assert.strictEqual(versions[0].end.toISOString(), '2021-04-30T00:00:00.000Z')
     assert.strictEqual(versions[0].isLts, true)
+    assert.strictEqual(versions[0].isSupported, true)
+    assert.strictEqual(versions[0].isMaintenance, false)
+    assert.strictEqual(versions[0].modules, '64')
     assert.deepStrictEqual(versions[0].files, [
       'aix-ppc64',
       'headers',
@@ -172,6 +175,14 @@ suite('nv', () => {
     assert.strictEqual(versions[0].major, 18)
   })
 
+  test('latestOfMajorOnly with an alias', async () => {
+    const versions = await nv('supported', { now, latestOfMajorOnly: true })
+    assert.strictEqual(versions.length, 3)
+    assert.strictEqual(versions[0].major, 8)
+    assert.strictEqual(versions[1].major, 10)
+    assert.strictEqual(versions[2].major, 12)
+  })
+
   test('isLts: false', async () => {
     const versions = await nv('0.8.0', { now })
     assert.strictEqual(versions[0].major, 0)