@babel/helper-define-polyfill-provider - npm Package Compare versions

Comparing version 0.6.3 to 0.6.4

lib/utils.js

@@ -26,4 +26,16 @@ "use strict";
 }
-function getType(target) {
-  return Object.prototype.toString.call(target).slice(8, -1);
+function resolve(path, resolved = new Set()) {
+  if (resolved.has(path)) return;
+  resolved.add(path);
+  if (path.isVariableDeclarator()) {
+    if (path.get("id").isIdentifier()) {
+      return resolve(path.get("init"), resolved);
+    }
+  } else if (path.isReferencedIdentifier()) {
+    const binding = path.scope.getBinding(path.node.name);
+    if (!binding) return path;
+    if (!binding.constant) return;
+    return resolve(binding.path, resolved);
+  }
+  return path;
 }
@@ -34,9 +46,5 @@ function resolveId(path) {
   }
-  if (path.isPure()) {
-    const {
-      deopt
-    } = path.evaluate();
-    if (deopt && deopt.isIdentifier()) {
-      return deopt.node.name;
-    }
+  const resolved = resolve(path);
+  if (resolved != null && resolved.isIdentifier()) {
+    return resolved.node.name;
   }
@@ -89,22 +97,39 @@ }
   }
-  if (obj.isRegExpLiteral()) {
-    return {
-      id: "RegExp",
-      placement: "prototype"
-    };
-  } else if (obj.isFunction()) {
-    return {
-      id: "Function",
-      placement: "prototype"
-    };
-  } else if (obj.isPure()) {
-    const {
-      value
-    } = obj.evaluate();
-    if (value !== undefined) {
+  const path = resolve(obj);
+  switch (path == null ? void 0 : path.type) {
+    case "RegExpLiteral":
       return {
-        id: getType(value),
+        id: "RegExp",
         placement: "prototype"
       };
-    }
+    case "FunctionExpression":
+      return {
+        id: "Function",
+        placement: "prototype"
+      };
+    case "StringLiteral":
+      return {
+        id: "String",
+        placement: "prototype"
+      };
+    case "NumberLiteral":
+      return {
+        id: "Number",
+        placement: "prototype"
+      };
+    case "BooleanLiteral":
+      return {
+        id: "Boolean",
+        placement: "prototype"
+      };
+    case "ObjectExpression":
+      return {
+        id: "Object",
+        placement: "prototype"
+      };
+    case "ArrayExpression":
+      return {
+        id: "Array",
+        placement: "prototype"
+      };
   }
@@ -111,0 +136,0 @@ return {

package.json

 {
   "name": "@babel/helper-define-polyfill-provider",
-  "version": "0.6.3",
+  "version": "0.6.4",
   "description": "Babel helper to create your own polyfill provider",
@@ -58,3 +58,3 @@ "repository": {
   },
-  "gitHead": "66340fb145086a826c496f008f67488367846c09"
+  "gitHead": "d87c29c909148920ad18690b63d450c561842298"
 }

No alert changes

Improved metrics

Total package byte prevSize

226587

2.27%

Lines of code

2645

2.92%

No dependency changes