build: add webpack config

Downgrade Imagemin-SVGO to v9 because v10 is incompatible with image
minimizer.
Change ESlint config to avoid lint error (should be dependency instead
of devDependency...)

1 files changed, 4 insertions, 2 deletions

diff --git a/.eslintrc.js b/.eslintrc.js
index 71541ff..2811fa2 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -5,8 +5,10 @@ module.exports = {
   },
   extends: ["airbnb-base"],
   parserOptions: {
-    ecmaVersion: 13,
+    ecmaVersion: 12,
     sourceType: "module",
   },
-  rules: {},
+  rules: {
+    "import/no-extraneous-dependencies": ["error", { devDependencies: true }],
+  },
 };