Use single quotes

.eslintrc

@@ -3,11 +3,11 @@
         "strict": 0,
         "no-console": 0,
         "quotes": [
-            2,
+            "error",
-            "double"
+            "single"
         ],
         "semi": [
-            2,
+            "error",
             "always"
         ]
     },

gulpfile.js

@@ -1,28 +1,28 @@
-"use strict";
+'use strict';
 
-var gulp = require("gulp"),
+var gulp = require('gulp'),
-    minifycss = require("gulp-clean-css"),
+    minifycss = require('gulp-clean-css'),
-    uglify = require("gulp-uglify"),
+    uglify = require('gulp-uglify'),
-    concat = require("gulp-concat"),
+    concat = require('gulp-concat'),
-    header = require("gulp-header"),
+    header = require('gulp-header'),
-    buffer = require("vinyl-buffer"),
+    buffer = require('vinyl-buffer'),
-    pkg = require("./package.json"),
+    pkg = require('./package.json'),
-    debug = require("gulp-debug"),
+    debug = require('gulp-debug'),
-    eslint = require("gulp-eslint"),
+    eslint = require('gulp-eslint'),
-    browserify = require("browserify"),
+    browserify = require('browserify'),
-    source = require("vinyl-source-stream"),
+    source = require('vinyl-source-stream'),
-    rename = require("gulp-rename");
+    rename = require('gulp-rename');
 
-var banner = ["/**",
+var banner = ['/**',
-    " * <%= pkg.name %> v<%= pkg.version %>",
+    ' * <%= pkg.name %> v<%= pkg.version %>',
-    " * Copyright <%= pkg.author %>",
+    ' * Copyright <%= pkg.author %>',
-    " * @link <%= pkg.repository.url %>",
+    ' * @link <%= pkg.repository.url %>',
-    " * @license <%= pkg.license %>",
+    ' * @license <%= pkg.license %>',
-    " */",
+    ' */',
-    ""].join("\n");
+    ''].join('\n');
 
-gulp.task("lint", function () {
+gulp.task('lint', function () {
-    gulp.src("./src/js/**/*.js")
+    gulp.src('./src/js/**/*.js')
         .pipe(debug())
         .pipe(eslint())
         .pipe(eslint.format())
@@ -30,54 +30,54 @@ gulp.task("lint", function () {
 });
 
 function taskBrowserify(opts) {
-    return browserify("./src/js/simplemde.js", opts)
+    return browserify('./src/js/simplemde.js', opts)
         .bundle();
 }
 
-gulp.task("browserify:debug", ["lint"], function () {
+gulp.task('browserify:debug', ['lint'], function () {
-    return taskBrowserify({debug: true, standalone: "SimpleMDE"})
+    return taskBrowserify({debug: true, standalone: 'SimpleMDE'})
-        .pipe(source("simplemde.debug.js"))
+        .pipe(source('simplemde.debug.js'))
         .pipe(buffer())
         .pipe(header(banner, {pkg: pkg}))
-        .pipe(gulp.dest("./debug/"));
+        .pipe(gulp.dest('./debug/'));
 });
 
-gulp.task("browserify", ["lint"], function () {
+gulp.task('browserify', ['lint'], function () {
-    return taskBrowserify({standalone: "SimpleMDE"})
+    return taskBrowserify({standalone: 'SimpleMDE'})
-        .pipe(source("simplemde.js"))
+        .pipe(source('simplemde.js'))
         .pipe(buffer())
         .pipe(header(banner, {pkg: pkg}))
-        .pipe(gulp.dest("./debug/"));
+        .pipe(gulp.dest('./debug/'));
 });
 
-gulp.task("scripts", ["browserify:debug", "browserify", "lint"], function () {
+gulp.task('scripts', ['browserify:debug', 'browserify', 'lint'], function () {
-    var js_files = ["./debug/simplemde.js"];
+    var js_files = ['./debug/simplemde.js'];
 
     return gulp.src(js_files)
-        .pipe(concat("simplemde.min.js"))
+        .pipe(concat('simplemde.min.js'))
         .pipe(uglify())
         .pipe(buffer())
         .pipe(header(banner, {pkg: pkg}))
-        .pipe(gulp.dest("./dist/"));
+        .pipe(gulp.dest('./dist/'));
 });
 
-gulp.task("styles", function () {
+gulp.task('styles', function () {
     var css_files = [
-        "./node_modules/codemirror/lib/codemirror.css",
+        './node_modules/codemirror/lib/codemirror.css',
-        "./src/css/*.css",
+        './src/css/*.css',
-        "./node_modules/codemirror-spell-checker/src/css/spell-checker.css"
+        './node_modules/codemirror-spell-checker/src/css/spell-checker.css'
     ];
 
     return gulp.src(css_files)
-        .pipe(concat("simplemde.css"))
+        .pipe(concat('simplemde.css'))
         .pipe(buffer())
         .pipe(header(banner, {pkg: pkg}))
-        .pipe(gulp.dest("./debug/"))
+        .pipe(gulp.dest('./debug/'))
         .pipe(minifycss())
-        .pipe(rename("simplemde.min.css"))
+        .pipe(rename('simplemde.min.css'))
         .pipe(buffer())
         .pipe(header(banner, {pkg: pkg}))
-        .pipe(gulp.dest("./dist/"));
+        .pipe(gulp.dest('./dist/'));
 });
 
-gulp.task("default", ["scripts", "styles"]);
+gulp.task('default', ['scripts', 'styles']);

src/js/codemirror/tablist.js

@@ -1,7 +1,7 @@
 // CodeMirror, copyright (c) by Marijn Haverbeke and others
 // Distributed under an MIT license: http://codemirror.net/LICENSE
 
-var CodeMirror = require("codemirror");
+var CodeMirror = require('codemirror');
 
 CodeMirror.commands.tabAndIndentMarkdownList = function (cm) {
     var ranges = cm.listSelections();
@@ -10,15 +10,15 @@ CodeMirror.commands.tabAndIndentMarkdownList = function (cm) {
     var inList = eolState.list !== false;
 
     if (inList) {
-        cm.execCommand("indentMore");
+        cm.execCommand('indentMore');
         return;
     }
 
     if (cm.options.indentWithTabs) {
-        cm.execCommand("insertTab");
+        cm.execCommand('insertTab');
     }
     else {
-        var spaces = Array(cm.options.tabSize + 1).join(" ");
+        var spaces = Array(cm.options.tabSize + 1).join(' ');
         cm.replaceSelection(spaces);
     }
 };
@@ -30,15 +30,15 @@ CodeMirror.commands.shiftTabAndUnindentMarkdownList = function (cm) {
     var inList = eolState.list !== false;
 
     if (inList) {
-        cm.execCommand("indentLess");
+        cm.execCommand('indentLess');
         return;
     }
 
     if (cm.options.indentWithTabs) {
-        cm.execCommand("insertTab");
+        cm.execCommand('insertTab');
     }
     else {
-        var spaces = Array(cm.options.tabSize + 1).join(" ");
+        var spaces = Array(cm.options.tabSize + 1).join(' ');
         cm.replaceSelection(spaces);
     }
 };