5 files changed, 158 insertions, 0 deletions
diff --git a/node_modules/slide/lib/async-map-ordered.js b/node_modules/slide/lib/async-map-ordered.js
new file mode 100644
index 000000000..5cca79a82
--- /dev/null
+++ b/node_modules/slide/lib/async-map-ordered.js
@@ -0,0 +1,65 @@
+
+throw new Error("TODO: Not yet implemented.")
+
+/*
+usage:
+
+Like asyncMap, but only can take a single cb, and guarantees
+the order of the results.
+*/
+
+module.exports = asyncMapOrdered
+
+function asyncMapOrdered (list, fn, cb_) {
+  if (typeof cb_ !== "function") throw new Error(
+    "No callback provided to asyncMapOrdered")
+
+  if (typeof fn !== "function") throw new Error(
+    "No map function provided to asyncMapOrdered")
+
+  if (list === undefined || list === null) return cb_(null, [])
+  if (!Array.isArray(list)) list = [list]
+  if (!list.length) return cb_(null, [])
+
+  var errState = null
+    , l = list.length
+    , a = l
+    , res = []
+    , resCount = 0
+    , maxArgLen = 0
+
+  function cb (index) { return function () {
+    if (errState) return
+    var er = arguments[0]
+    var argLen = arguments.length
+    maxArgLen = Math.max(maxArgLen, argLen)
+    res[index] = argLen === 1 ? [er] : Array.apply(null, arguments)
+
+    // see if any new things have been added.
+    if (list.length > l) {
+      var newList = list.slice(l)
+      a += (list.length - l)
+      var oldLen = l
+      l = list.length
+      process.nextTick(function () {
+        newList.forEach(function (ar, i) { fn(ar, cb(i + oldLen)) })
+      })
+    }
+
+    if (er || --a === 0) {
+      errState = er
+      cb_.apply(null, [errState].concat(flip(res, resCount, maxArgLen)))
+    }
+  }}
+  // expect the supplied cb function to be called
+  // "n" times for each thing in the array.
+  list.forEach(function (ar) {
+    steps.forEach(function (fn, i) { fn(ar, cb(i)) })
+  })
+}
+
+function flip (res, resCount, argLen) {
+  var flat = []
+  // res = [[er, x, y], [er, x1, y1], [er, x2, y2, z2]]
+  // return [[x, x1, x2], [y, y1, y2], [undefined, undefined, z2]]
+  
diff --git a/node_modules/slide/lib/async-map.js b/node_modules/slide/lib/async-map.js
new file mode 100644
index 000000000..ccf345f3c
--- /dev/null
+++ b/node_modules/slide/lib/async-map.js
@@ -0,0 +1,54 @@
+
+/*
+usage:
+
+// do something to a list of things
+asyncMap(myListOfStuff, function (thing, cb) { doSomething(thing.foo, cb) }, cb)
+// do more than one thing to each item
+asyncMap(list, fooFn, barFn, cb)
+
+*/
+
+module.exports = asyncMap
+
+function asyncMap () {
+  var steps = Array.prototype.slice.call(arguments)
+    , list = steps.shift() || []
+    , cb_ = steps.pop()
+  if (typeof cb_ !== "function") throw new Error(
+    "No callback provided to asyncMap")
+  if (!list) return cb_(null, [])
+  if (!Array.isArray(list)) list = [list]
+  var n = steps.length
+    , data = [] // 2d array
+    , errState = null
+    , l = list.length
+    , a = l * n
+  if (!a) return cb_(null, [])
+  function cb (er) {
+    if (er && !errState) errState = er
+
+    var argLen = arguments.length
+    for (var i = 1; i < argLen; i ++) if (arguments[i] !== undefined) {
+      data[i - 1] = (data[i - 1] || []).concat(arguments[i])
+    }
+    // see if any new things have been added.
+    if (list.length > l) {
+      var newList = list.slice(l)
+      a += (list.length - l) * n
+      l = list.length
+      process.nextTick(function () {
+        newList.forEach(function (ar) {
+          steps.forEach(function (fn) { fn(ar, cb) })
+        })
+      })
+    }
+
+    if (--a === 0) cb_.apply(null, [errState].concat(data))
+  }
+  // expect the supplied cb function to be called
+  // "n" times for each thing in the array.
+  list.forEach(function (ar) {
+    steps.forEach(function (fn) { fn(ar, cb) })
+  })
+}
diff --git a/node_modules/slide/lib/bind-actor.js b/node_modules/slide/lib/bind-actor.js
new file mode 100644
index 000000000..6a3707274
--- /dev/null
+++ b/node_modules/slide/lib/bind-actor.js
@@ -0,0 +1,16 @@
+module.exports = bindActor
+function bindActor () {
+  var args = 
+        Array.prototype.slice.call
+        (arguments) // jswtf.
+    , obj = null
+    , fn
+  if (typeof args[0] === "object") {
+    obj = args.shift()
+    fn = args.shift()
+    if (typeof fn === "string")
+      fn = obj[ fn ]
+  } else fn = args.shift()
+  return function (cb) {
+    fn.apply(obj, args.concat(cb)) }
+}
diff --git a/node_modules/slide/lib/chain.js b/node_modules/slide/lib/chain.js
new file mode 100644
index 000000000..17b371149
--- /dev/null
+++ b/node_modules/slide/lib/chain.js
@@ -0,0 +1,20 @@
+module.exports = chain
+var bindActor = require("./bind-actor.js")
+chain.first = {} ; chain.last = {}
+function chain (things, cb) {
+  var res = []
+  ;(function LOOP (i, len) {
+    if (i >= len) return cb(null,res)
+    if (Array.isArray(things[i]))
+      things[i] = bindActor.apply(null,
+        things[i].map(function(i){
+          return (i===chain.first) ? res[0]
+           : (i===chain.last)
+             ? res[res.length - 1] : i }))
+    if (!things[i]) return LOOP(i + 1, len)
+    things[i](function (er, data) {
+      if (er) return cb(er, res)
+      if (data !== undefined) res = res.concat(data)
+      LOOP(i + 1, len)
+    })
+  })(0, things.length) }
diff --git a/node_modules/slide/lib/slide.js b/node_modules/slide/lib/slide.js
new file mode 100644
index 000000000..6e9ec2327
--- /dev/null
+++ b/node_modules/slide/lib/slide.js
@@ -0,0 +1,3 @@
+exports.asyncMap = require("./async-map")
+exports.bindActor = require("./bind-actor")
+exports.chain = require("./chain")