jslint and jshint all in one with good performance.

##Performance

If you use jslint.vim and/or jshint.vim to check JavaScript code at real time, you will find that the cursor moves slowly, especially on windows.

So you should use jslhint.vim, for it is optimized and has good performance.

##Installation

1. First of all, you should install node.js and you can find instructions for installing node.js on the node.js website.

2. Then, copy the directory ftplugin/ into your Vim ftplugin directory. Usually this is ~/.vim/ftplugin/. On Windows it is ~/vimfiles/ftplugin/.

3. Finally, activate filetype plugins in your .vimrc, by adding the following line:

filetype plugin on

##Usage

• This plugin automatically checks the JavaScript source and highlights the lines with errors.

  All errors will be displayed in quickfix window in vim. So you should open the quickfix window with the command :copen.

  It also will display more information about the error in the command line if the cursor is in the same line.

• You also can call it manually via :JSUpdate.

• You can toggle jslint and jshint engines with the command :JSToggle.

• You can toggle automatically checking on or off with the command :JSToggleEnable. You can modify your ~/.vimrc file to bind this command to a key or to turn off error checking by default.

• (optional) Putting all jslint options into one file -- .jslintrc . The .jslintrc file should be placed under the root of project. It will be used as global options for all JavaScript files in the project. If .jslintrc file is not found in the project, the plugin will try to find ~/.jslintrc file. You can putting jslint options into .jslintrc file like this:

/*jslint browser: true, regexp: true */
/*global jQuery, $ */

• (optional) Putting all jshint options into one file -- .jshintrc . The .jshintrc file should be placed under the root of project. It will be used as global options for all JavaScript files in the project. If .jshintrc file is not found in the project, the plugin will try to find ~/.jshintrc file. You can putting jshint options into .jshintrc file like this:

{
  "undef": true,
  "unused": true,
  "globals": { "MY_GLOBAL": false }
}

##Configuration

• g:JSLHint_jshint_default

Set jshint as the default JavaScript checking engine or not, default value is 1. If you want to set jslint as the default JavaScript checking engine, please add this line in .vimrc:

let g:JSLHint_jshint_default = 0

• g:JSLHint_auto_check

Checking JavaScript code at real time and automatically or not, default value is 1. If you want to manually call command manually, please disable auto checking in .vimrc. For example:

"disable auto checking
let g:JSLHint_auto_check = 0
"to check JavaScript code when entering/writing buffer
au BufEnter,BufWritePost *.js JSUpdate

• g:JSLHint_highlight_error

Highlight error line or not, default is 1.

##Next

• open quick-fix window automatically