add figma publish hook script

figma/package.json

@@ -9,7 +9,8 @@
     },
     "scripts": {
         "clean": "rimraf dist",
-        "build": "yarn clean && webpack --mode=production --host=production",
+        "build": "yarn clean && webpack --mode=production --host=production && yarn prepublish",
+        "prepublish": "node scripts/prepublish.js",
         "build:staging": "yarn clean && webpack --mode=production --host=staging",
         "build:dev": "webpack --mode=development --host=dev",
         "watch": "webpack --watch",

figma/scripts/prepublish.js

@@ -0,0 +1,15 @@
+// before publishing update to figma, clean the dist forder for the size reduction.
+// leave only dist/code.js and dist/ui.js under the dist folder (remove all other files)
+
+const fs = require("fs");
+const path = require("path");
+
+const distPath = path.join(__dirname, "../dist");
+
+fs.readdirSync(distPath).forEach((file) => {
+  if (file !== "code.js" && file !== "ui.js") {
+    fs.unlink(path.join(distPath, file), (err) => {
+      if (err) throw err;
+    });
+  }
+});