feat: unfurl presets

lib/github-actions/index.js

@@ -2,6 +2,7 @@
 
 const _ = require('lodash');
 const Nv = require('@pkgjs/nv');
+const Semver = require('semver');
 
 
 const internals = {};
@@ -53,6 +54,30 @@ internals.parseActionsSetupNode = function * (workflow, file) {
 };
 
 
+internals.resolveLjharbPreset = function * ({ preset }) {
+
+    // @todo: with has more options - resolve to precise versions here and yield the full list
+    // @todo: return preset as well as resolved version
+
+    if (preset === '0.x') {
+        yield * ['0.8', '0.10', '0.12'];
+        return;
+    }
+
+    if (preset === 'iojs') {
+        yield * ['1', '2', '3'];
+        return;
+    }
+
+    if (!Semver.validRange(preset)) {
+        yield preset;
+        return;
+    }
+
+    yield * internals.latestNodeVersions.filter(({ resolved }) => Semver.satisfies(resolved, preset)).map(({ major }) => major);
+};
+
+
 internals.parseLjharbActions = function * (workflow, file) {
 
     for (const job of Object.values(workflow.jobs)) {
@@ -114,8 +139,7 @@ internals.parseLjharbActions = function * (workflow, file) {
                         throw new Error(`Unrecognized action in ${needOutput} in ${file}`);
                     }
 
-                    // @todo: with has more options - resolve to precise versions here and yield the full list
-                    yield needStep.with.preset;
+                    yield * internals.resolveLjharbPreset(needStep.with);
                     continue;
                 }
 
@@ -130,6 +154,17 @@ internals.parseLjharbActions = function * (workflow, file) {
 
 exports.detect = async (meta) => {
 
+    if (!internals.latestNodeVersions) {
+        // @todo: unhardcode
+        const latest = [];
+        for (const v of ['4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16']) {
+            const resolved = await Nv(v);
+            latest.push({ major: v, resolved: resolved[resolved.length - 1].version });
+        }
+
+        internals.latestNodeVersions = latest;
+    }
+
     const files = await meta.loadFolder('.github/workflows');
     const rawSet = new Set();
     const byFileSets = {};

package.json

@@ -45,6 +45,7 @@
     "lodash": "^4.17.21",
     "minimist": "^1.2.5",
     "pacote": "^12.0.0",
+    "semver": "^7.3.5",
     "simple-git": "^3.0.0",
     "tmp": "^0.2.0"
   }