update

node_modules/@11ty/eleventy/config.js

@@ -0,0 +1,50 @@
+const urlFilter = require("./src/Filters/Url");
+const slugFilter = require("./src/Filters/Slug");
+
+module.exports = function(config) {
+  config.addFilter("slug", slugFilter);
+  config.addFilter("url", urlFilter);
+
+  return {
+    templateFormats: [
+      "liquid",
+      "ejs",
+      "md",
+      "hbs",
+      "mustache",
+      "haml",
+      "pug",
+      "njk",
+      "html",
+      "jstl",
+      "11ty.js"
+    ],
+    // if your site lives in a subdirectory, change this
+    pathPrefix: "/",
+    markdownTemplateEngine: "liquid",
+    htmlTemplateEngine: "liquid",
+    dataTemplateEngine: "liquid",
+    passthroughFileCopy: true,
+    htmlOutputSuffix: "-o",
+    jsDataFileSuffix: ".11tydata",
+    keys: {
+      package: "pkg",
+      layout: "layout",
+      permalink: "permalink",
+      permalinkRoot: "permalinkBypassOutputDir",
+      engineOverride: "templateEngineOverride"
+    },
+    dir: {
+      input: ".",
+      includes: "_includes",
+      data: "_data",
+      output: "_site"
+    },
+    // deprecated, use config.addTransform
+    filters: {},
+    // deprecated, use config.addHandlebarsHelper
+    handlebarsHelpers: {},
+    // deprecated, use config.addNunjucksFilter
+    nunjucksFilters: {}
+  };
+};