tools: use no-use-before-define ESLint rule

Also fix repl and url libs for the rule.

PR-URL: https://github.com/nodejs/node/pull/14032
Refs: http://eslint.org/docs/rules/no-use-before-define
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>

6 files changed, 15 insertions, 9 deletions

diff --git a/.eslintrc.yaml b/.eslintrc.yaml
index 0139d63a78..2b0e487567 100644
--- a/.eslintrc.yaml
+++ b/.eslintrc.yaml
@@ -62,6 +62,9 @@ rules:
   no-delete-var: 2
   no-undef: 2
   no-unused-vars: [2, {args: none}]
+  no-use-before-define: [2, {classes: true,
+                             functions: false,
+                             variables: false}]
 
   # Node.js and CommonJS
   # http://eslint.org/docs/rules/#nodejs-and-commonjs
diff --git a/lib/_debugger.js b/lib/_debugger.js
index d3bf1f9ffa..1d5345cde4 100644
--- a/lib/_debugger.js
+++ b/lib/_debugger.js
@@ -992,8 +992,8 @@ Interface.prototype.debugEval = function(code, context, filename, callback) {
     client.reqScopes(callback);
     return;
   }
-
-  var frame = client.currentFrame === NO_FRAME ? frame : undefined;
+  var frame;
+  frame = client.currentFrame === NO_FRAME ? frame : undefined;
 
   self.pause();
 
diff --git a/lib/repl.js b/lib/repl.js
index 04c9ae4684..eb539cca0e 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -846,6 +846,7 @@ function complete(line, callback) {
   var completeOn, i, group, c;
 
   // REPL commands (e.g. ".break").
+  var filter;
   var match = null;
   match = line.match(/^\s*\.(\w*)$/);
   if (match) {
@@ -865,7 +866,7 @@ function complete(line, callback) {
 
     completeOn = match[1];
     var subdir = match[2] || '';
-    var filter = match[1];
+    filter = match[1];
     var dir, files, f, name, base, ext, abs, subfiles, s;
     group = [];
     var paths = module.paths.concat(require('module').globalPaths);
diff --git a/test/parallel/test-tls-npn-server-client.js b/test/parallel/test-tls-npn-server-client.js
index 44e9b86ad7..7cb8723ff5 100644
--- a/test/parallel/test-tls-npn-server-client.js
+++ b/test/parallel/test-tls-npn-server-client.js
@@ -1,11 +1,12 @@
 'use strict';
+
+const common = require('../common');
+
 if (!process.features.tls_npn) {
   common.skip('Skipping because node compiled without NPN feature of OpenSSL.');
   return;
 }
 
-const common = require('../common');
-
 if (!common.hasCrypto) {
   common.skip('missing crypto');
   return;
diff --git a/test/parallel/test-tls-sni-option.js b/test/parallel/test-tls-sni-option.js
index ba9acbf528..e1ecfb9620 100644
--- a/test/parallel/test-tls-sni-option.js
+++ b/test/parallel/test-tls-sni-option.js
@@ -1,11 +1,12 @@
 'use strict';
+
+const common = require('../common');
+
 if (!process.features.tls_sni) {
   common.skip('node compiled without OpenSSL or with old OpenSSL version.');
   return;
 }
 
-const common = require('../common');
-
 if (!common.hasCrypto) {
   common.skip('missing crypto');
   return;
diff --git a/test/parallel/test-tls-sni-server-client.js b/test/parallel/test-tls-sni-server-client.js
index e47781a972..4e1ab6484c 100644
--- a/test/parallel/test-tls-sni-server-client.js
+++ b/test/parallel/test-tls-sni-server-client.js
@@ -1,11 +1,11 @@
 'use strict';
+const common = require('../common');
+
 if (!process.features.tls_sni) {
   common.skip('node compiled without OpenSSL or with old OpenSSL version.');
   return;
 }
 
-const common = require('../common');
-
 if (!common.hasCrypto) {
   common.skip('missing crypto');
   return;