babel-plugin-es5-array-autopolyfill - npm Package Compare versions

Comparing version 1.0.0 to 2.0.0

lib/index.js

@@ -10,4 +10,26 @@ 'use strict';
 
+  var usedMethods = {};
   return {
     visitor: {
+      Program: {
+        enter: function enter(path) {
+          var usedMethods = {};
+        },
+        exit: function exit(path, state) {
+          var libName = state.opts.polyfill;
+          var methods = Object.keys(usedMethods).sort();
+          if (methods.length === 0) {
+            return;
+          }
+
+          var specifiers = methods.map(function (el) {
+            return t.importSpecifier(t.identifier(prefix + el), t.identifier(el));
+          });
+
+          var importDecl = t.importDeclaration(specifiers, t.stringLiteral(libName));
+
+          path.node.body = [importDecl].concat(path.node.body);
+        }
+      },
+
       CallExpression: function CallExpression(path) {
@@ -20,2 +42,4 @@ var callee = path.node.callee;
         if (t.isIdentifier(property) && replaceProperties.indexOf(property.name) >= 0) {
+          usedMethods[property.name] = true;
+          property.name = prefix + property.name;
           path.replaceWith(t.callExpression(property, [callee.object].concat(path.node.arguments)));
@@ -28,2 +52,3 @@ }
 
-var replaceProperties = ['reduce', 'map', 'filter', 'forEach'];
+var replaceProperties = ['reduce', 'map', 'filter', 'forEach'];
+var prefix = "es5";

package.json

 {
   "name": "babel-plugin-es5-array-autopolyfill",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "description": "",
@@ -5,0 +5,0 @@ "main": "lib/index.js",

test/fixtures/replace-array-methods-to-calls/expected.js

@@ -1,11 +0,12 @@
-map(arr, el => el + 1);
-map(arr, (el, i) => el + i);
+import { filter as es5filter, forEach as es5forEach, map as es5map, reduce as es5reduce } from "es5-collection-methods";
+es5map(arr, el => el + 1);
+es5map(arr, (el, i) => el + i);
 
-filter(arr, el => !el);
+es5filter(arr, el => !el);
 
-reduce(arr, (acc, el) => acc + el, {});
+es5reduce(arr, (acc, el) => acc + el, {});
 
-forEach(arr, el => t(el));
-forEach(arr, (el, i) => t(el, i));
+es5forEach(arr, el => t(el));
+es5forEach(arr, (el, i) => t(el, i));
 
 obj.somMethid(1, 2, 3);

No alert changes

Improved metrics

Total package byte prevSize

4558

increased by32.35%

Number of package files

12

increased by33.33%

Lines of code

89

increased by45.9%

No dependency changes