added api for shields.io

.gitignore

@@ -5,4 +5,6 @@ _data/results/*
 _data/results-last-runs.json
 package-lock.json
 .env
-.cache
+.cache
+# Local Netlify folder
+.netlify

README.md

@@ -27,6 +27,10 @@ Speedlify will also save your data to `/results.zip` so that you can download la
 
 [![Netlify Status](https://api.netlify.com/api/v1/badges/7298a132-e366-460a-a4da-1ea352a4e790/deploy-status)](https://app.netlify.com/sites/speedlify/deploys)
 
+## Show off scores in README's
+
+![Custom badge](https://img.shields.io/endpoint?url=https%3A%2F%2F5feffb7d42d898fad979e6ef--cocky-engelbart-56fc92.netlify.app%2Fapi%2Fb2d9d426-shield.json)
+
 ## Known Limitations
 
 * If you change a URL to remove a redirect (to remove or add a `www.`, moved domains, etc), you probably want to delete the old URL’s data otherwise you’ll have two entries in the results list.

api.shild.11ty.js

@@ -0,0 +1,58 @@
+const getObjectKey = require("./utils/getObjectKey.js");
+
+class ApiEntry {
+        async data() {
+                return {
+                        layout: false,
+                        pagination: {
+                                size: 1,
+                                data: "urlsForApi",
+                                alias: "site"
+                        },
+                        permalink: function(data) {
+                                return `/api/${data.site.hash}-shield.json`;
+                        }
+                };
+        }
+        render(data) {
+                let resultSet = data.results[data.site.hash];
+                if(!resultSet) {
+                        // TODO better error message here, returns `false` string
+                        return {
+                                  "schemaVersion": 1,
+                                  "label": "SPEEDLIFY",
+                                  "message": "NO RESULTS FOUND",
+                                  "color": "red"
+                                };
+                }
+
+                let newestKey = getObjectKey(resultSet, ":newest");
+                if(!newestKey) {
+                        // TODO better error message here, returns `false` string
+                        return {
+                                  "schemaVersion": 1,
+                                  "label": "SPEEDLIFY",
+                                  "message": "NEWEST KEY NOT FOUND",
+                                  "color": "red"
+                                };
+                }
+
+                let secondNewestKey = getObjectKey(resultSet, ":secondnewest");
+                if(resultSet[secondNewestKey]) {
+                        resultSet[newestKey].previousRanks = resultSet[secondNewestKey].ranks;
+                }
+                let performance = resultSet[newestKey].lighthouse.performance*100;
+                let accessibility = resultSet[newestKey].lighthouse.accessibility*100;
+                let bestPractices = resultSet[newestKey].lighthouse.bestPractices*100;
+                let seo = resultSet[newestKey].lighthouse.seo*100;
+                // TODO set color based on results
+                return JSON.stringify({
+                        "schemaVersion": 1,
+                        "label": "SPEEDLIFY",
+                        "message": `${performance}-${accessibility}-${bestPractices}-${seo}`,
+                        "color": "green"
+                }, null, 2)
+        }
+}
+
+module.exports = ApiEntry;