A sample [JSHint](http://www.jshint.com) configuration file for Pebble development and a modified `wscript` build file to call jshint on every build.

jshint-pebble

/*
 * Example jshint configuration file for Pebble development.
 *
 * Read: http://developer.getpebble.com/blog/2014/01/12/Using-JSHint-For-Pebble-Development/
 * And check out the full documentation at http://www.jshint.com/docs/options/
 */
{
  // Declares the existence of a global 'Pebble' object
  "globals": { "Pebble" : true },

  // And standard objects (XMLHttpRequest and console)
  "browser": true,
  "devel": true,

  // Do not mess with standard JavaScript objects (Array, Date, etc)
  "freeze": true,

  // Do not use eval! Keep this warning turned on (ie: false)
  "evil": false,

  /*
   * The options below are more style/developer dependent.
   * Customize to your liking.
   */

  // All variables should be in camelcase
  "camelcase": true,

  // Do not allow blocks without { }
  "curly": true,

  // Prohibits the use of immediate function invocations without wrapping them in parentheses
  "immed": true,

  // Enforce indentation
  "indent": true,

  // Do not use a variable before it's defined
  "latedef": "nofunc",

  // Spot undefined variables
  "undef": "true",

  // Spot unused variables
  "unused": "true"
}

wscript

#
# This is a wscript file to build a Pebble project and call jshint
# on every builds. This helps detect typos and bugs in JavaScript code.
#
# See: http://developer.getpebble.com/blog/2014/01/12/Using-JSHint-For-Pebble-Development/

from sh import jshint

top = '.'
out = 'build'

def options(ctx):
    ctx.load('pebble_sdk')

def configure(ctx):
    ctx.load('pebble_sdk')
    jshint.bake(['--config', 'pebble-jshintrc'])

def build(ctx):
    ctx.load('pebble_sdk')

    jshint("src/js/pebble-js-app.js")
    ctx.pbl_program(source=ctx.path.ant_glob('src/**/*.c'),
                    target='pebble-app.elf')

    ctx.pbl_bundle(elf='pebble-app.elf',
                   js=ctx.path.ant_glob('src/js/**/*.js'))