feat: User setup (#95)

* allow users to add plugins to setup markdown and eleventy

* comments on function

* added userSetup.js to plugin-info.json

.eleventy.js

@@ -7,6 +7,10 @@ const tocPlugin = require("eleventy-plugin-nesting-toc");
 const { parse } = require("node-html-parser");
 
 const { headerToId, namedHeadingsFilter } = require("./src/helpers/utils");
+const {
+  userMarkdownSetup,
+  userEleventySetup,
+} = require("./src/helpers/userSetup");
 
 const tagRegex = /(^|\s|\>)(#[^\s!@#$%^&*()=+\.,\[{\]};:'"?><]+)(?!([^<]*>))/g;
 
@@ -156,7 +160,8 @@ module.exports = function (eleventyConfig) {
 
         return prefix + n;
       };
-    });
+    })
+    .use(userMarkdownSetup);
 
   eleventyConfig.setLibrary("md", markdownLib);
 
@@ -320,6 +325,8 @@ module.exports = function (eleventyConfig) {
     return variable;
   });
 
+  userEleventySetup(eleventyConfig);
+
   return {
     dir: {
       input: "src/site",

plugin-info.json

@@ -12,7 +12,8 @@
         "src/site/img/tree-1.svg",
         "src/site/img/tree-2.svg",
         "src/site/img/tree-3.svg",
-        "src/helpers/userUtils.js"
+        "src/helpers/userUtils.js",
+        "src/helpers/userSetup.js"
     ],
     "filesToModify": [
         ".eleventy.js",

src/helpers/userSetup.js

@@ -0,0 +1,10 @@
+function userMarkdownSetup(md) {
+  // The md parameter stands for the markdown-it instance used throughout the site generator.
+  // Feel free to add any plugin you want here instead of /.eleventy.js
+}
+function userEleventySetup(eleventyConfig) {
+  // The eleventyConfig parameter stands for the the config instantiated in /.eleventy.js.
+  // Feel free to add any plugin you want here instead of /.eleventy.js
+}
+exports.userMarkdownSetup = userMarkdownSetup;
+exports.userEleventySetup = userEleventySetup;