add some packages

node_modules/babel-plugin-minify-numeric-literals/lib/index.js

@@ -0,0 +1,28 @@
+"use strict";
+
+module.exports = function () {
+  return {
+    name: "minify-numeric-literals",
+    visitor: {
+      NumericLiteral(path) {
+        if (!path.node.extra) return;
+        const normal = path.node.value.toString().replace(/^0\./, ".");
+        let exponential = path.node.value.toExponential().replace(/\+/g, "");
+
+        if (exponential.indexOf(".") >= 0 && exponential.indexOf("e") >= 0) {
+          const lastChar = exponential.substr(exponential.lastIndexOf("e") + 1);
+          const dotIndex = exponential.lastIndexOf(".") + 1;
+          const subLength = exponential.substr(dotIndex, exponential.lastIndexOf("e") - dotIndex).length;
+          exponential = (exponential.substr(0, exponential.lastIndexOf("e") + 1) + (lastChar - subLength)).replace(".", "").replace(/e0/, "");
+        }
+
+        const replacement = normal.length > exponential.length ? exponential : normal;
+
+        if (path.node.extra.raw.length > replacement.length) {
+          path.node.extra.raw = replacement;
+        }
+      }
+
+    }
+  };
+};