Setup, react dev tools, logging

chapter09/config-overrides.js

@@ -0,0 +1,12 @@
+const rewireEslint = require("react-app-rewire-eslint");
+
+function overrideEslintOptions(options) {
+    // do stuff with the eslint options...
+    return options;
+}
+
+/* global module */
+module.exports = function override(config, env) {
+    config = rewireEslint(config, env, overrideEslintOptions);
+    return config;
+};