remove es20xx prefixes from plugins and rename folders (#6575)

2017-10-28 20:43:15 -04:00
parent 92a3caeb9c
commit 9ac326b075
1672 changed files with 1200 additions and 1203 deletions
--- a/packages/babel-plugin-transform-instanceof/src/index.js
+++ b/packages/babel-plugin-transform-instanceof/src/index.js
@@ -0,0 +1,26 @@
+export default function({ types: t }) {
+  return {
+    visitor: {
+      BinaryExpression(path) {
+        const { node } = path;
+        if (node.operator === "instanceof") {
+          const helper = this.addHelper("instanceof");
+          const isUnderHelper = path.findParent(path => {
+            return (
+              (path.isVariableDeclarator() && path.node.id === helper) ||
+              (path.isFunctionDeclaration() &&
+                path.node.id &&
+                path.node.id.name === helper.name)
+            );
+          });
+
+          if (isUnderHelper) {
+            return;
+          } else {
+            path.replaceWith(t.callExpression(helper, [node.left, node.right]));
+          }
+        }
+      },
+    },
+  };
+}