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JOYnr JavaScript libjoynr-js

There is a newer version: 1.4.0


/**
 * Module dependencies.
 */

var fs = require('fs')
  , path = require('path')
  , join = path.join
  , dirname = path.dirname
  , exists = fs.existsSync || path.existsSync
  , defaults = {
        arrow: process.env.NODE_BINDINGS_ARROW || ' → '
      , compiled: process.env.NODE_BINDINGS_COMPILED_DIR || 'compiled'
      , platform: process.platform
      , arch: process.arch
      , version: process.versions.node
      , bindings: 'bindings.node'
      , try: [
          // node-gyp's linked version in the "build" dir
          [ 'module_root', 'build', 'bindings' ]
          // node-waf and gyp_addon (a.k.a node-gyp)
        , [ 'module_root', 'build', 'Debug', 'bindings' ]
        , [ 'module_root', 'build', 'Release', 'bindings' ]
          // Debug files, for development (legacy behavior, remove for node v0.9)
        , [ 'module_root', 'out', 'Debug', 'bindings' ]
        , [ 'module_root', 'Debug', 'bindings' ]
          // Release files, but manually compiled (legacy behavior, remove for node v0.9)
        , [ 'module_root', 'out', 'Release', 'bindings' ]
        , [ 'module_root', 'Release', 'bindings' ]
          // Legacy from node-waf, node <= 0.4.x
        , [ 'module_root', 'build', 'default', 'bindings' ]
          // Production "Release" buildtype binary (meh...)
        , [ 'module_root', 'compiled', 'version', 'platform', 'arch', 'bindings' ]
        ]
    }

/**
 * The main `bindings()` function loads the compiled bindings for a given module.
 * It uses V8's Error API to determine the parent filename that this function is
 * being invoked from, which is then used to find the root directory.
 */

function bindings (opts) {

  // Argument surgery
  if (typeof opts == 'string') {
    opts = { bindings: opts }
  } else if (!opts) {
    opts = {}
  }
  opts.__proto__ = defaults

  // Get the module root
  if (!opts.module_root) {
    opts.module_root = exports.getRoot(exports.getFileName())
  }

  // Ensure the given bindings name ends with .node
  if (path.extname(opts.bindings) != '.node') {
    opts.bindings += '.node'
  }

  var tries = []
    , i = 0
    , l = opts.try.length
    , n
    , b
    , err

  for (; i