feat: resolve node versions

Author: dominykas

lib/travis.js

@@ -1,5 +1,6 @@
 'use strict';
 
+const Nv = require('@pkgjs/nv');
 const Yaml = require('js-yaml');
 
 
@@ -16,12 +17,12 @@ internals.toArray = (v) => {
 };
 
 
-internals.scan = (travisYaml) => {
+internals.scan = async (travisYaml) => {
 
-    const raw = new Set();
+    const rawSet = new Set();
 
     for (const v of internals.toArray(travisYaml.node_js)) {
-        raw.add(v);
+        rawSet.add(v);
     }
 
     if (travisYaml.env) {
@@ -31,7 +32,7 @@ internals.scan = (travisYaml) => {
             const matches = env.match(/(?:NODEJS_VER|TRAVIS_NODE_VERSION|NODE_VER)="?(node\/)?(?<version>[\w./*]+)"?/); /* hack syntax highlighter 🤦‍♂️ */
 
             if (matches) {
-                raw.add(matches.groups.version);
+                rawSet.add(matches.groups.version);
             }
         }
     }
@@ -41,16 +42,29 @@ internals.scan = (travisYaml) => {
         for (const include of internals.toArray(travisYaml.matrix.include)) {
 
             if (include.node_js) {
-                raw.add(include.node_js);
+                rawSet.add(include.node_js);
             }
         }
     }
 
-    if (travisYaml.language === 'node_js' && !raw.size) {
-        raw.add('latest');
+    if (travisYaml.language === 'node_js' && !rawSet.size) {
+        rawSet.add('latest');
     }
 
-    return { raw: [...raw] };
+    const raw = [...rawSet];
+    const resolved = [];
+
+    for (const version of raw) {
+        const nv = await Nv(version);
+
+        if (!nv.length) {
+            continue;
+        }
+
+        resolved.push(nv[nv.length - 1].version);
+    }
+
+    return { raw, resolved };
 };
 
 
@@ -65,6 +79,6 @@ exports.detect = async ({ loadFile }) => {
     const travisYaml = Yaml.safeLoad(buffer, { schema: Yaml.FAILSAFE_SCHEMA });
 
     return {
-        travis: internals.scan(travisYaml)
+        travis: await internals.scan(travisYaml)
     };
 };

package.json

@@ -31,6 +31,7 @@
   },
   "dependencies": {
     "@hapi/wreck": "^16.0.1",
+    "@pkgjs/nv": "0.0.3",
     "git-url-parse": "^11.1.2",
     "js-yaml": "^3.13.1",
     "pacote": "^10.3.1",