WIP - add extractor, generate snippet_data

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

@@ -0,0 +1,37 @@
+"use strict";
+
+module.exports = function (_ref) {
+  var t = _ref.types;
+
+  var 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;
+        }
+
+        if (path.isLVal() && !path.parentPath.isExpressionStatement()) {
+          return;
+        }
+
+        path.replaceWith(INFINITY);
+      }
+    }
+  };
+};