Inital commit

packages/learn/plugins/fcc-source-challenges/extend-file-node.js

@@ -0,0 +1,45 @@
+const { GraphQLString } = require('graphql');
+const fs = require('fs-extra');
+const path = require('path');
+
+module.exports = ({ type, getNodeAndSavePathDependency, pathPrefix = '' }) => {
+  if (type.name !== 'File') {
+    return {};
+  }
+
+  return {
+    publicURL: {
+      type: GraphQLString,
+      args: {},
+      description: 'Copy file to static directory and return public url to it',
+      resolve: (file, fieldArgs, context) => {
+        const details = getNodeAndSavePathDependency(file.id, context.path);
+        const fileName = `${file.name}-${file.internal.contentDigest}${
+          details.ext
+        }`;
+
+        const publicPath = path.join(
+          process.cwd(),
+          'public',
+          'static',
+          fileName
+        );
+
+        if (!fs.existsSync(publicPath)) {
+          fs.copy(details.absolutePath, publicPath, err => {
+            if (err) {
+              console.error(
+                `error copying file from ${
+                  details.absolutePath
+                } to ${publicPath}`,
+                err
+              );
+            }
+          });
+        }
+
+        return `${pathPrefix}/static/${fileName}`;
+      }
+    }
+  };
+};