tools: update ESLint to v4.0.0

Update ESLint and configuration to version 4.0.0.

Backport-PR-URL: https://github.com/nodejs/node/pull/14340
PR-URL: https://github.com/nodejs/node/pull/13645
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/tools/eslint/node_modules/external-editor/example_sync.js b/tools/eslint/node_modules/external-editor/example_sync.js
new file mode 100644
index 0000000000..138f230757
--- /dev/null
+++ b/tools/eslint/node_modules/external-editor/example_sync.js
@@ -0,0 +1,34 @@
+var ExternalEditor = require('./main');
+var readline = require('readline');
+
+var rl = readline.createInterface({
+  input: process.stdin,
+  output: null
+});
+
+var message = '\n\n# Please Write a message\n# Any line starting with # is ignored';
+
+process.stdout.write('Please write a message. (press enter to launch your preferred editor)');
+
+editor = new ExternalEditor(message);
+
+rl.on('line', function () {
+  try {
+    // Get response, remove all lines starting with #, remove any trailing newlines.
+    var response = editor.run().replace(/^#.*\n?/gm, '').replace(/\n+$/g, '').trim();
+
+    if (response.length === 0) {
+      readline.moveCursor(process.stdout, 0, -1);
+      process.stdout.write('Your message was empty, please try again. (press enter to launch your preferred editor)');
+    } else {
+      process.stdout.write('Your Message:\n');
+      process.stdout.write(response);
+      process.stdout.write('\n');
+      rl.close();
+    }
+  } catch (err) {
+    process.stderr.write(err.message);
+    process.stdout.write('\n');
+    rl.close();
+  }
+});