Switch javascript string style

Author: AndrewRadev

README.md

@@ -477,6 +477,7 @@ definitions with their patterns and replacements, look at the file
 Object* foo = bar.baz;
 Object* foo = bar->baz;
 ```
+
 ### JavaScript
 
 * Function definitions:
@@ -502,6 +503,13 @@ Object* foo = bar->baz;
   ```
   Switching to var from const or let is unsupported, since it's assumed to be an unlikely case.
 
+* String styles:
+  ```javascript
+  const foo = "${bar}/baz"
+  const foo = `${bar}/baz`
+  const foo = '${bar}/baz'
+  ```
+
 ### CoffeeScript arrows
 
 ``` coffeescript

doc/switch.txt

@@ -652,6 +652,13 @@ ES6-style variable declaraions (g:switch_builtins.javascript_es6_declarations)
 <
 Switching to var from const or let is unsupported, since it's assumed to be an unlikely case.
 
+String styles (g:switch_builtings.javascript_string_style)
+>
+    const foo = "${bar}/baz"
+    const foo = `${bar}/baz`
+    const foo = '${bar}/baz'
+<
+
 Coffeescript ~
 
 Arrows (g:switch_builtins.coffee_arrow):

ftplugin/javascript/switch.vim

@@ -7,4 +7,5 @@ let b:switch_definitions =
       \   g:switch_builtins.javascript_function,
       \   g:switch_builtins.javascript_arrow_function,
       \   g:switch_builtins.javascript_es6_declarations,
+      \   g:switch_builtins.javascript_string_style,
       \ ]

plugin/switch.vim

@@ -146,6 +146,11 @@ let g:switch_builtins =
       \     '\<let\s\+': 'const ',
       \     '\<const\s\+': 'let ',
       \   },
+      \   'javascript_string_style': {
+      \     '`\(\%([^"\\]\|\\.\)*\)`':    '''\1''',
+      \     '''\(\%([^''\\]\|\\.\)*\)''': '"\1"',
+      \     '"\(\%([^"\\]\|\\.\)*\)"':    '`\1`',
+      \   },
       \   'coffee_arrow': {
       \     '^\(.*\)->': '\1=>',
       \     '^\(.*\)=>': '\1->',

spec/plugin/javascript_spec.rb

@@ -104,4 +104,17 @@
       something.forEach(function(one) { });
     EOF
   end
+
+  specify "string type" do
+    set_file_contents 'const foo = "bar?"'
+
+    vim.search('bar').switch
+    assert_file_contents 'const foo = `bar?`'
+
+    vim.switch
+    assert_file_contents "const foo = 'bar?'"
+
+    vim.switch
+    assert_file_contents 'const foo = "bar?"'
+  end
 end