babel-plugin-system-import-transformer - npm Package Compare versions

Comparing version 3.0.0 to 3.1.0

dist/SystemImportExpressionTransformer.js

@@ -94,2 +94,10 @@ 'use strict';
     value: function getCommonJSRequirePromise(module) {
+      if (this.pluginOptions.commonJS && this.pluginOptions.commonJS.useRequireEnsure) {
+        return this.getCommonJSRequireEnsurePromise(module);
+      }
+      return this.getCommonJSPlainRequirePromise(module);
+    }
+  }, {
+    key: 'getCommonJSPlainRequirePromise',
+    value: function getCommonJSPlainRequirePromise(module) {
       var commonJSRequireExpression = this.getCommonJSRequire(module);
@@ -100,2 +108,11 @@ var commonJSRequire = (0, _promiseUtils.createPromiseResolveExpression)(commonJSRequireExpression);
   }, {
+    key: 'getCommonJSRequireEnsurePromise',
+    value: function getCommonJSRequireEnsurePromise(module) {
+      // require.ensure([], function(require) { resolve(require(module)); });
+      var requireEnsure = _babelArgumentProvider.types.expressionStatement(_babelArgumentProvider.types.callExpression(_babelArgumentProvider.types.memberExpression(_babelArgumentProvider.types.identifier('require'), _babelArgumentProvider.types.identifier('ensure')), [_babelArgumentProvider.types.arrayExpression([]), _babelArgumentProvider.types.functionExpression(null, [_babelArgumentProvider.types.identifier('require')], _babelArgumentProvider.types.blockStatement([_babelArgumentProvider.types.expressionStatement(_babelArgumentProvider.types.callExpression(_babelArgumentProvider.types.identifier('resolve'), [_babelArgumentProvider.types.callExpression(_babelArgumentProvider.types.identifier('require'), [module])]))]))]));
+
+      var newPromiseExpression = _babelArgumentProvider.types.newExpression(_babelArgumentProvider.types.identifier('Promise'), [_babelArgumentProvider.types.functionExpression(null, [_babelArgumentProvider.types.identifier('resolve')], _babelArgumentProvider.types.blockStatement([requireEnsure]))]);
+      return newPromiseExpression;
+    }
+  }, {
     key: 'getGlobalRequire',
@@ -102,0 +119,0 @@ value: function getGlobalRequire(module) {

package.json

 {
   "name": "babel-plugin-system-import-transformer",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "Babel plugin that replaces System.import with the equivalent UMD pattern",
@@ -5,0 +5,0 @@ "main": "dist/index.js",

README.md

@@ -93,2 +93,27 @@ # babel-plugin-system-import-transformer
 
+### commonJS
+
+CommonJS specific options.
+
+#### commonJS.useRequireEnsure
+Type: Boolean  
+Values: [**`false`**/`true`]  
+
+When set to `true`, all CommonJS import statements will use Webpack's `require.ensure()` syntax. This enables dynamic module loading in CommonJS (Webpack) and works both for the `UMD` and (of course) `CommonJS` module target types.
+
+```js
+{
+    "plugins": [
+        ["system-import-transformer", { "commonJS": { "useRequireEnsure": true } }]
+    ]
+}
+
+// the CommonJS code part will look like:
+new Promise(function (resolve) {
+    require.ensure([], function (require) {
+        resolve(require('./utils/serializer'));
+    });
+}).then(function(module){ console.log(module); });
+```
+
 ### modules
@@ -132,2 +157,4 @@ Type: String
 
+Syntax specific options.
+
 #### syntax.import
@@ -134,0 +161,0 @@ Type: Boolean

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

28044

increased by9.07%

Lines of code

316

increased by6.4%

Number of lines in readme file

171

increased by18.75%

No dependency changes