From 52b800decbb72fa12b90c3d11eddef63572dc20c Mon Sep 17 00:00:00 2001
From: Sven SAULEAU <contact@xtuc.fr>
Date: Wed, 23 May 2018 18:19:39 +0200
Subject: [PATCH] Add no-babelrc option in babel-node (#5621)

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| Q                        | A <!--(yes/no) -->
| ------------------------ | ---
| Patch: Bug Fix?          |
| Major: Breaking Change?  |
| Minor: New Feature?      | y
| Deprecations?            |
| Spec Compliancy?         |
| Tests Added/Pass?        | y/y
| Fixed Tickets            | #5616
| License                  | MIT
| Doc PR                   | <!-- if yes, add `[skip ci]` to your commit message to skip CI builds -->
| Dependency Changes       |

<!-- Describe your changes below in as much detail as possible -->

Once merged I will make the corresponding documentation changes on the website (in a 7 branch)
---
 packages/babel-cli/test/index.js                             | 4 +++-
 packages/babel-node/src/_babel-node.js                       | 5 +++++
 .../test/fixtures/babel-node/--no-babelrc/.babelrc           | 3 +++
 .../test/fixtures/babel-node/--no-babelrc/in-files/index.js  | 1 +
 .../fixtures/babel-node/--no-babelrc/in-files/logPlugin.js   | 4 ++++
 .../test/fixtures/babel-node/--no-babelrc/options.json       | 3 +++
 .../test/fixtures/babel-node/--no-babelrc/stdout.txt         | 1 +
 7 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 packages/babel-node/test/fixtures/babel-node/--no-babelrc/.babelrc
 create mode 100644 packages/babel-node/test/fixtures/babel-node/--no-babelrc/in-files/index.js
 create mode 100644 packages/babel-node/test/fixtures/babel-node/--no-babelrc/in-files/logPlugin.js
 create mode 100644 packages/babel-node/test/fixtures/babel-node/--no-babelrc/options.json
 create mode 100644 packages/babel-node/test/fixtures/babel-node/--no-babelrc/stdout.txt

diff --git a/packages/babel-cli/test/index.js b/packages/babel-cli/test/index.js
index 50dd88d0cd..c55c509dde 100644
--- a/packages/babel-cli/test/index.js
+++ b/packages/babel-cli/test/index.js
@@ -36,7 +36,9 @@ const readDir = function(loc, filter) {
 
 const saveInFiles = function(files) {
   // Place an empty .babelrc in each test so tests won't unexpectedly get to repo-level config.
-  outputFileSync(".babelrc", "{}");
+  if (!fs.existsSync(".babelrc")) {
+    outputFileSync(".babelrc", "{}");
+  }
 
   Object.keys(files).forEach(function(filename) {
     const content = files[filename];
diff --git a/packages/babel-node/src/_babel-node.js b/packages/babel-node/src/_babel-node.js
index 98130bb600..e680f1ec88 100644
--- a/packages/babel-node/src/_babel-node.js
+++ b/packages/babel-node/src/_babel-node.js
@@ -22,6 +22,10 @@ function collect(value, previousValue): Array<string> {
 }
 
 program.option("-e, --eval [script]", "Evaluate script");
+program.option(
+  "--no-babelrc",
+  "Specify whether or not to use .babelrc and .babelignore files",
+);
 program.option("-r, --require [module]", "Require module");
 program.option("-p, --print [code]", "Evaluate script and print result");
 program.option(
@@ -47,6 +51,7 @@ program.usage("[options] [ -e script | script.js ] [arguments]");
 program.parse(process.argv);
 
 register({
+  babelrc: program.babelrc,
   extensions: program.extensions,
   ignore: program.ignore,
   only: program.only,
diff --git a/packages/babel-node/test/fixtures/babel-node/--no-babelrc/.babelrc b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/.babelrc
new file mode 100644
index 0000000000..8dba884533
--- /dev/null
+++ b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/.babelrc
@@ -0,0 +1,3 @@
+{
+  "plugins": ["./logPlugin.js"]
+}
diff --git a/packages/babel-node/test/fixtures/babel-node/--no-babelrc/in-files/index.js b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/in-files/index.js
new file mode 100644
index 0000000000..85ce559e8f
--- /dev/null
+++ b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/in-files/index.js
@@ -0,0 +1 @@
+console.log("foo");
diff --git a/packages/babel-node/test/fixtures/babel-node/--no-babelrc/in-files/logPlugin.js b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/in-files/logPlugin.js
new file mode 100644
index 0000000000..afb98ab22a
--- /dev/null
+++ b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/in-files/logPlugin.js
@@ -0,0 +1,4 @@
+module.exports = function () {
+  console.log("Plugin was loaded, shouldn't appear due to --no-babelrc");
+  return {}
+}
diff --git a/packages/babel-node/test/fixtures/babel-node/--no-babelrc/options.json b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/options.json
new file mode 100644
index 0000000000..c5363572cd
--- /dev/null
+++ b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/options.json
@@ -0,0 +1,3 @@
+{
+  "args": ["--no-babelrc", "index"]
+}
diff --git a/packages/babel-node/test/fixtures/babel-node/--no-babelrc/stdout.txt b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/stdout.txt
new file mode 100644
index 0000000000..257cc5642c
--- /dev/null
+++ b/packages/babel-node/test/fixtures/babel-node/--no-babelrc/stdout.txt
@@ -0,0 +1 @@
+foo