Avoid usage of exports/module.exports/require().

packages/babel-cli/src/_babel-node.js

@@ -9,6 +9,8 @@ import vm from "vm";
 import "babel-polyfill";
 import register from "babel-register";
 
+import pkg from "../package.json";
+
 const program = new commander.Command("babel-node");
 
 program.option("-e, --eval [script]", "Evaluate script");
@@ -19,7 +21,6 @@ program.option("-x, --extensions [extensions]", "List of extensions to hook into
 program.option("-w, --plugins [string]", "", util.list);
 program.option("-b, --presets [string]", "", util.list);
 
-const pkg = require("../package.json");
 program.version(pkg.version);
 program.usage("[options] [ -e script | script.js ] [arguments]");
 program.parse(process.argv);

packages/babel-cli/src/babel-node.js

@@ -3,8 +3,8 @@
  * when found, before invoking the "real" _babel-node(1) executable.
  */
 
-const getV8Flags = require("v8flags");
-const path = require("path");
+import getV8Flags from "v8flags";
+import path from "path";
 
 let args = [path.join(__dirname, "_babel-node")];
 

packages/babel-cli/src/babel/dir.js

@@ -1,10 +1,11 @@
-const outputFileSync = require("output-file-sync");
-const slash          = require("slash");
-const path           = require("path");
-const util           = require("./util");
-const fs             = require("fs");
+import outputFileSync from "output-file-sync";
+import slash from "slash";
+import path from "path";
+import fs from "fs";
 
-module.exports = function (commander, filenames) {
+import * as util from "./util";
+
+export default function (commander, filenames) {
   function write(src, relative) {
     // remove extension and then append back on .js
     relative = relative.replace(/\.(\w*?)$/, "") + ".js";
@@ -88,4 +89,4 @@ module.exports = function (commander, filenames) {
       });
     });
   }
-};
+}

packages/babel-cli/src/babel/file.js

@@ -1,11 +1,12 @@
-const convertSourceMap = require("convert-source-map");
-const sourceMap        = require("source-map");
-const slash            = require("slash");
-const path             = require("path");
-const util             = require("./util");
-const fs               = require("fs");
+import convertSourceMap from "convert-source-map";
+import sourceMap  from "source-map";
+import slash from "slash";
+import path from "path";
+import fs from "fs";
 
-module.exports = function (commander, filenames, opts) {
+import * as util from "./util";
+
+export default function (commander, filenames, opts) {
   if (commander.sourceMaps === "inline") {
     opts.sourceMaps = true;
   }
@@ -176,4 +177,4 @@ module.exports = function (commander, filenames, opts) {
   } else {
     stdin();
   }
-};
+}

packages/babel-cli/src/babel/index.js

@@ -1,12 +1,16 @@
 #!/usr/bin/env node
 
-const fs         = require("fs");
-const commander  = require("commander");
-const kebabCase  = require("lodash/kebabCase");
-const options    = require("babel-core").options;
-const util       = require("babel-core").util;
-const uniq       = require("lodash/uniq");
-const glob       = require("glob");
+import fs        from "fs";
+import commander from "commander";
+import kebabCase from "lodash/kebabCase";
+import { options, util, version } from "babel-core";
+import uniq      from "lodash/uniq";
+import glob      from "glob";
+
+import dirCommand from "./dir";
+import fileCommand from "./file";
+
+import pkg from "../../package.json";
 
 Object.keys(options).forEach(function (key) {
   const option = options[key];
@@ -45,8 +49,7 @@ commander.option("-D, --copy-files", "When compiling a directory copy over non-c
 commander.option("-q, --quiet", "Don't log anything");
 /* eslint-enable max-len */
 
-const pkg = require("../../package.json");
-commander.version(pkg.version + " (babel-core " + require("babel-core").version + ")");
+commander.version(pkg.version + " (babel-core " + version + ")");
 commander.usage("[options] <files ...>");
 commander.parse(process.argv);
 
@@ -103,7 +106,7 @@ if (errors.length) {
 
 //
 
-const opts = exports.opts = {};
+export const opts = {};
 
 Object.keys(options).forEach(function (key) {
   const opt = options[key];
@@ -118,12 +121,5 @@ if (opts.only) {
   opts.only = util.arrayify(opts.only, util.regexify);
 }
 
-let fn;
-
-if (commander.outDir) {
-  fn = require("./dir");
-} else {
-  fn = require("./file");
-}
-
-fn(commander, filenames, exports.opts);
+const fn = commander.outDir ? dirCommand : fileCommand;
+fn(commander, filenames, opts);

packages/babel-cli/src/babel/util.js

@@ -1,11 +1,11 @@
-const commander = require("commander");
-const defaults  = require("lodash/defaults");
-const readdir   = require("fs-readdir-recursive");
-const index     = require("./index");
-const babel     = require("babel-core");
-const util      = require("babel-core").util;
-const path      = require("path");
-const fs        = require("fs");
+import commander from "commander";
+import defaults from "lodash/defaults";
+import readdir from "fs-readdir-recursive";
+import * as babel from "babel-core";
+import path from "path";
+import fs from "fs";
+
+import * as index from "./index";
 
 export function chmod(src, dest) {
   fs.chmodSync(dest, fs.statSync(src).mode);
@@ -13,16 +13,16 @@ export function chmod(src, dest) {
 
 export function readdirFilter(filename) {
   return readdir(filename).filter(function (filename) {
-    return util.canCompile(filename);
+    return babel.util.canCompile(filename);
   });
 }
 
 export { readdir };
 
-export const canCompile = util.canCompile;
+export const canCompile = babel.util.canCompile;
 
 export function shouldIgnore(loc) {
-  return util.shouldIgnore(loc, index.opts.ignore, index.opts.only);
+  return babel.util.shouldIgnore(loc, index.opts.ignore, index.opts.only);
 }
 
 export function addSourceMappingUrl(code, loc) {