Commit modules

node_modules/babel-plugin-minify-infinity/lib/index.js

@@ -0,0 +1,44 @@
+"use strict";
+
+module.exports = function ({
+  types: t
+}) {
+  const INFINITY = t.binaryExpression("/", t.numericLiteral(1), t.numericLiteral(0));
+  return {
+    name: "minify-infinity",
+    visitor: {
+      // Infinity -> 1 / 0
+      Identifier(path) {
+        if (path.node.name !== "Infinity") {
+          return;
+        } // It's a referenced identifier
+
+
+        if (path.scope.getBinding("Infinity")) {
+          return;
+        }
+
+        if (path.parentPath.isObjectProperty({
+          key: path.node
+        })) {
+          return;
+        }
+
+        if (path.parentPath.isMemberExpression()) {
+          return;
+        }
+
+        const bindingIds = path.parentPath.getBindingIdentifierPaths();
+
+        if (bindingIds["Infinity"] === path && // ObjectProperty is common for ObjectExpression and ObjectPattern and only
+        // one of them is a Binding, the other is simply a reference
+        !path.parentPath.parentPath.isObjectExpression()) {
+          return;
+        }
+
+        path.replaceWith(INFINITY);
+      }
+
+    }
+  };
+};