make sure uses URLs 2xx

scripts/data-validate.js

@@ -1,8 +1,15 @@
 import Joi from '@hapi/joi';
 import core from '@actions/core';
+import * as http from 'http';
+import * as https from 'https';
 import data from '../src/data.js';
 import flags from './flags.js';
 
+if (process.env.CI !== 'true') {
+  core.error = console.error;
+  core.setFailed = console.error;
+}
+
 const schema = Joi.object({
   name: Joi.string().required(),
   description: Joi.string().required(),
@@ -32,3 +39,47 @@ errors.forEach(e => {
 if (errors.length) {
   core.setFailed('Action failed with validation errors, see logs');
 }
+const REQUEST_TIMEOUT = 5000;
+
+function getStatusCode(url) {
+  const client = url.startsWith('https') ? https : http;
+  return new Promise((resolve, reject) => {
+    setTimeout(() => reject(new Error('Request timed out')), REQUEST_TIMEOUT);
+    client
+      .get(url, res => {
+        resolve(res.statusCode);
+      })
+      .on('error', err => {
+        reject(err);
+      });
+  });
+}
+
+async function isWorkingUrl(url) {
+  try {
+    const statusCode = await getStatusCode(url);
+    if (statusCode < 200 || statusCode >= 300) {
+      core.error(`URL: "${url}" failed with status: ${statusCode}`);
+      return false;
+    }
+    return true;
+  } catch (e) {
+    core.error(`URL: "${url}" failed with error: ${e}`);
+    return false;
+  }
+}
+
+(async () => {
+  // TODO: we might need to batch these in sets instead of requesting 100+ URLs
+  // at the same time
+  const areWorkingUrls = await Promise.all(
+    data.map(p => p.url).map(url => isWorkingUrl(url))
+  );
+  const failingUrls = areWorkingUrls.filter(a => !a);
+  if (failingUrls.length > 0) {
+    core.setFailed(
+      `Action failed with ${failingUrls.length} URL fetch failures, see logs`
+    );
+  }
+  process.exit(0);
+})();