Backport to and test on Node 10 (#164)

Author: adamnovak

.github/workflows/test.yml

@@ -17,6 +17,10 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
+      - name: Use Ubuntu 20.04's nodejs
+        uses: actions/setup-node@v2
+        with:
+          node-version: 10.x
       - name: Install node modules
         run: npm install
       - name: Install latest vg release

.npmrc

@@ -0,0 +1,2 @@
+engine-strict=true
+

.nvmrc

@@ -0,0 +1 @@
+v10.24.1

package-lock.json

@@ -23,6 +23,7 @@
     "gh-pages": "^3.2.3",
     "multer": "^1.4.4",
     "path-is-inside": "^1.0.2",
+    "polyfill-object.fromentries": "^1.0.1",
     "prop-types": "^15.7.2",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
@@ -52,5 +53,8 @@
     "not dead",
     "not ie <= 11",
     "not op_mini all"
-  ]
+  ],
+  "engines": {
+    "node": ">=10.0.0"
+  }
 }

package.json

@@ -1,6 +1,9 @@
 import React, { Component } from "react";
 import PropTypes from "prop-types";
 import isEqual from "react-fast-compare";
+// Needed for Node <12
+// TODO: remove import and dependency when we upgrade.
+import {} from "polyfill-object.fromentries";
 
 import "./App.css";
 import HeaderForm from "./components/HeaderForm";