Remove peerDependencies and move to internal plugin compatibility checks. See 11ty/eleventy#2001 (comment)

Author: zachleat

.eleventy.js

@@ -1,9 +1,16 @@
+const pkg = require("./package.json");
 const dateRfc3339 = require("./src/dateRfc3339");
 const absoluteUrl = require("./src/absoluteUrl");
 const convertHtmlToAbsoluteUrls = require("./src/htmlToAbsoluteUrls");
 const getNewestCollectionItemDate = require("./src/getNewestCollectionItemDate");
 
 module.exports = function(eleventyConfig, options = {}) {
+  try {
+    eleventyConfig.versionCheck(pkg["11ty"].compatibility);
+  } catch(e) {
+    console.log( `WARN: Eleventy Plugin (${pkg.name}) Compatibility: ${e.message}` );
+  }
+
   eleventyConfig.addNunjucksFilter("absoluteUrl", absoluteUrl);
 
   eleventyConfig.addNunjucksAsyncFilter("htmlToAbsoluteUrls", (htmlContent, base, callback) => {

package.json

@@ -32,8 +32,8 @@
     "url": "https://github.com/11ty/eleventy-plugin-rss/issues"
   },
   "homepage": "https://www.11ty.dev/docs/plugins/rss/",
-  "peerDependencies": {
-    "@11ty/eleventy": ">=0.11.0"
+  "11ty": {
+    "compatibility": ">=0.11"
   },
   "devDependencies": {
     "ava": "^3.15.0"