chore(package): re-init package with commitizen and standard-release

node_modules/npm-which/index.js

@@ -0,0 +1,77 @@
+"use strict"
+
+var which = require('which')
+var npmPath = require('npm-path')
+
+module.exports = function(cwd) {
+  function npmWhich(cmd, options, fn) {
+    // options is optional
+    if (options instanceof Function) fn = options, options = null
+    options = options || {}
+    options.cwd = options.cwd || cwd
+    options.env = options.env || process.env
+
+    function curryWhich(opts, fn) {
+      if (opts instanceof Function) fn = opts, opts = null
+      opts = opts || {}
+      return npmWhich(cmd, mixin(opts, options), fn)
+    }
+
+    curryWhich.sync = function(opts) {
+      opts = opts || {}
+      return npmWhich.sync(cmd, mixin(opts, options))
+    }
+
+    if (!(typeof fn === 'function')) return curryWhich
+
+    if (!options.cwd) return fn(new Error('You must specify a cwd.'))
+
+    npmPath.get(options, function(err, newPath) {
+      if (err) return fn(err)
+      var oldPath = process.env[npmPath.PATH]
+      process.env[npmPath.PATH] = newPath
+      which(cmd, function(err, result) {
+        process.env[npmPath.PATH] = oldPath
+        fn(err, result)
+      })
+    })
+  }
+
+  npmWhich.sync = function(cmd, options) {
+
+    options = options || {}
+    options.cwd = options.cwd || cwd
+    options.env = options.env || process.env
+
+    if (!options.cwd) throw new Error('You must specify a cwd.')
+    var err = null
+    try {
+      var oldPath = process.env[npmPath.PATH]
+      var newPath = npmPath.getSync(options)
+      process.env[npmPath.PATH] = newPath
+      var result = which.sync(cmd)
+      return result
+    } catch(e) {
+      err = e
+    } finally {
+      process.env[npmPath.PATH] = oldPath
+      if (err) throw err
+    }
+    return result
+  }
+
+  if (arguments.length <= 1) return npmWhich
+  return module.exports().apply(this, arguments)
+}
+
+module.exports.sync = function(cmd, options) {
+  options = options || {}
+  return module.exports(options.cwd).sync(cmd, options)
+}
+
+function mixin(a, b) {
+  for (var key in b) {
+    a[key] = b[key]
+  }
+  return a
+}