Refactor babel plugin initialization in moduleEnv.js

2 files changed, 17 insertions, 31 deletions

diff --git a/lib/moduleEnv.js b/lib/moduleEnv.js
index cbd5e25..6754273 100644
--- a/lib/moduleEnv.js
+++ b/lib/moduleEnv.js
@@ -3,14 +3,15 @@
 var Module = require("module"),
     fs = require("fs"),
     babelCore = require("babel-core"),
-    // Requiring the babel plugin here because otherwise it will be lazy-loaded by Babel during rewire()
-    transformBlockScoping = require("babel-plugin-transform-es2015-block-scoping"),
     coffee;
 
 var moduleWrapper0 = Module.wrapper[0],
     moduleWrapper1 = Module.wrapper[1],
     originalExtensions = {},
-    matchCoffeeExt = /\.coffee$/,
+    babelPlugins = [
+        "babel-plugin-transform-es2015-block-scoping",
+        "babel-plugin-transform-object-rest-spread"
+    ],
     nodeRequire,
     currentModule;
 
@@ -76,10 +77,7 @@ function jsExtension(module, filename) {
 
     module._compile = function (content, filename) {
         content = babelCore.transform(content, {
-            plugins: [
-                require.resolve("babel-plugin-transform-es2015-block-scoping"),
-                require.resolve("babel-plugin-transform-object-rest-spread")
-            ],
+            plugins: babelPlugins,
             retainLines: true,
             filename: filename,
             babelrc: false
@@ -115,6 +113,9 @@ function stripBOM(content) {
     return content;
 }
 
+// Prepopulate require.cache with babel plugins because otherwise it will be lazy-loaded by Babel during rewire()
+babelPlugins.forEach(require);
+
 try {
     coffee = require("coffee-script");
 } catch (err) {
diff --git a/package-lock.json b/package-lock.json
index 19647ab..ef0eab7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
       "integrity": "sha1-rzL3izGm/O8RnIew/Y2XU/A6C7g=",
       "requires": {
         "babel-code-frame": "6.26.0",
-        "babel-generator": "6.26.0",
+        "babel-generator": "6.26.1",
         "babel-helpers": "6.24.1",
         "babel-messages": "6.23.0",
         "babel-register": "6.26.0",
@@ -39,7 +39,7 @@
         "babel-traverse": "6.26.0",
         "babel-types": "6.26.0",
         "babylon": "6.18.0",
-        "convert-source-map": "1.5.0",
+        "convert-source-map": "1.5.1",
         "debug": "2.6.9",
         "json5": "0.5.1",
         "lodash": "4.17.4",
@@ -57,26 +57,13 @@
           "requires": {
             "ms": "2.0.0"
           }
-        },
-        "minimatch": {
-          "version": "3.0.4",
-          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-          "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-          "requires": {
-            "brace-expansion": "1.1.8"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
         }
       }
     },
     "babel-generator": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.26.0.tgz",
-      "integrity": "sha1-rBriAHC3n248odMmlhMFN3TyDcU=",
+      "version": "6.26.1",
+      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.26.1.tgz",
+      "integrity": "sha512-HyfwY6ApZj7BYTcJURpM5tznulaBvyio7/0d4zFOeMPUmfxkCjHocCuoLa2SAGzBI8AREcH3eP3758F672DppA==",
       "requires": {
         "babel-messages": "6.23.0",
         "babel-runtime": "6.26.0",
@@ -270,9 +257,9 @@
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
     "convert-source-map": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.5.0.tgz",
-      "integrity": "sha1-ms1whRxtXf3ZPZKC5e35SgP/RrU="
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.5.1.tgz",
+      "integrity": "sha1-uCeAl7m8IpNl3lxiz1/K7YtVmeU="
     },
     "core-js": {
       "version": "2.5.1",
@@ -442,7 +429,6 @@
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
       "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-      "dev": true,
       "requires": {
         "brace-expansion": "1.1.8"
       }
@@ -489,8 +475,7 @@
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-      "dev": true
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
     "number-is-nan": {
       "version": "1.0.1",