From ea63eab1042f252327d9b022273ef9d0ca46d3e8 Mon Sep 17 00:00:00 2001
From: Jay Winstead <jwinstead@launchdarkly.com>
Date: Sun, 1 Oct 2017 11:09:30 -0500
Subject: [PATCH] refactor to use feature store event wrapper

---
 feature_store.js               |  42 ++---
 feature_store_event_wrapper.js |  52 ++++++
 index.js                       |   5 +-
 package-lock.json              | 327 +++++++++++++++++++++++++++++++++
 package.json                   |   1 -
 yarn.lock                      | 236 ++++++++++++++++++++++++
 6 files changed, 630 insertions(+), 33 deletions(-)
 create mode 100644 feature_store_event_wrapper.js
 create mode 100644 package-lock.json
 create mode 100644 yarn.lock

diff --git a/feature_store.js b/feature_store.js
index 710264a..95cbd5e 100644
--- a/feature_store.js
+++ b/feature_store.js
@@ -1,9 +1,8 @@
-var deepEqual = require('deep-equal');
 // An in-memory feature store with an async interface.
 // It's async as other implementations (e.g. the RedisFeatureStore)
 // may be async, and we want to retain interface compatibility.
 var noop = function(){};
-function InMemoryFeatureStore(emitter) {
+function InMemoryFeatureStore() {
   var store = {flags:{}};
 
   store.get = function(key, cb) {
@@ -40,16 +39,7 @@ function InMemoryFeatureStore(emitter) {
 
   store.init = function(flags, cb) {
     cb = cb || noop;
-
-    var oldFlags = this.flags;
     this.flags = flags;
-
-    for (var key in oldFlags) {
-      if (oldFlags.hasOwnProperty(key)) {
-        differ(key, oldFlags[key], flags[key]);
-      }
-    }
-
     this.init_called = true;
     cb();
   }
@@ -57,47 +47,37 @@ function InMemoryFeatureStore(emitter) {
   store.delete = function(key, version, cb) {
     cb = cb || noop;
 
-    var oldFlag = this.flags[key];
-
     if (this.flags.hasOwnProperty(key)) {
-      if (oldFlag && oldFlag.version < version) {
-        oldFlag.deleted = true;
-        oldFlag.version = version;
-        this.flags[key] = oldFlag;
+      var old = this.flags[key];
+      if (old && old.version < version) {
+        old.deleted = true;
+        old.version = version;
+        this.flags[key] = old;
       } 
     } else {
-      this.flags[key] = oldFlag;
+      this.flags[key] = old;
     }
 
-    differ(key, oldFlag, {});
 
     cb();
   }
 
   store.upsert = function(key, flag, cb) {
-    cb = cb || noop;
-
-    var oldFlag = this.flags[key];
+    cb = cb || noop;    
+    var old = this.flags[key];
 
     if (this.flags.hasOwnProperty(key)) {
-      if (oldFlag && oldFlag.version < flag.version) {
+      var old = this.flags[key];
+      if (old && old.version < flag.version) {
         this.flags[key] = flag;
       }
     } else {
       this.flags[key] = flag;
     }
 
-    differ(key, oldFlag, flag);
-
     cb();
   }
 
-  function differ(key, oldValue, newValue) {
-    if(deepEqual(oldValue, newValue)) return;
-    emitter.emit("update", newValue);
-    emitter.emit(`update:${key}`, oldValue, newValue);
-  }
-
   store.initialized = function() {
     return this.init_called === true;
   }
diff --git a/feature_store_event_wrapper.js b/feature_store_event_wrapper.js
new file mode 100644
index 0000000..2ede820
--- /dev/null
+++ b/feature_store_event_wrapper.js
@@ -0,0 +1,52 @@
+function FeatureStoreEventWrapper(featureStore, emitter) {
+  function differ(key, oldValue, newValue) {
+    if(newValue.version < oldValue.version) return;
+    emitter.emit("update", newValue);
+    emitter.emit(`update:${key}`, oldValue, newValue);
+  }
+
+  return {
+    get: featureStore.get,
+    all: featureStore.all,
+    initialized: featureStore.initialized,
+    close: featureStore.close,
+
+    init: function(newFlags, callback) {
+      featureStore.all(function(oldFlags){
+        featureStore.init(newFlags, function(){
+          var allFlags = newFlags.concat(oldFlags);
+          var handledFlags = {};
+
+          for (var key in allFlags) {
+            if(handledFlags[key]) continue;
+            differ(key, oldFlags[key], flags[key]);
+            handledFlags[key] = true;
+            ;
+          }
+
+          callback && callback.apply(null, arguments);
+        });
+      });      
+    },
+
+    delete: function(key, version, callback) {
+      featureStore.get(function(oldFlag) {
+        featureStore.delete(key, version, function() {
+          differ(key, oldFlag, {});
+          callback && callback.apply(null, arguments);
+        });
+      });
+    },
+
+    upsert: function(key, flag, callback) {
+      featureStore.get(function(oldFlag) {
+        featureStore.upsert(key, newFlag, function() {
+          differ(key, oldFlag, newFlag);
+          callback && callback.apply(null, arguments);
+        });
+      });
+    }
+  }
+}
+
+module.exports = FeatureStoreEventWrapper;
\ No newline at end of file
diff --git a/index.js b/index.js
index 67681f5..6e5005c 100644
--- a/index.js
+++ b/index.js
@@ -1,4 +1,5 @@
 var requestify = require('requestify');
+var FeatureStoreEventWrapper = require('./feature_store_event_wrapper');
 var InMemoryFeatureStore = require('./feature_store');
 var RedisFeatureStore = require('./redis_feature_store');
 var Requestor = require('./requestor');
@@ -87,7 +88,9 @@ var new_client = function(sdk_key, config) {
       ]
     })
   );
-  config.feature_store = config.feature_store || InMemoryFeatureStore(client);
+
+  var featureStore = config.feature_store || InMemoryFeatureStore();
+  config.feature_store = FeatureStoreEventWrapper(featureStore, client);
 
   var maybeReportError = createErrorReporter(client, config.logger);
 
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..9ffbbce
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,327 @@
+{
+  "name": "ldclient-node",
+  "version": "3.0.15",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "async": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.5.0.tgz",
+      "integrity": "sha512-e+lJAJeNWuPCNyxZKOBdaJGyLGHugXVQtrAwtuAe2vhxTYxFTKE73p8JuTmdH0qdQZtDvI4dhJwjZc5zsfIsYw==",
+      "requires": {
+        "lodash": "4.17.4"
+      }
+    },
+    "clone": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.2.tgz",
+      "integrity": "sha1-Jgt6meux7f4kdTgXX3gyQ8sZ0Uk="
+    },
+    "colors": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
+      "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs="
+    },
+    "commander": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.3.0.tgz",
+      "integrity": "sha1-/UMOiJgy7DU7ms0d4hfBHLPu+HM=",
+      "dev": true
+    },
+    "crypto": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/crypto/-/crypto-0.0.3.tgz",
+      "integrity": "sha1-RwqBuGvkxe4XrMggeh9TFa4g27A="
+    },
+    "cycle": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/cycle/-/cycle-1.0.3.tgz",
+      "integrity": "sha1-IegLK+hYD5i0aPN5QwZisEbDStI="
+    },
+    "debug": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+      "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+      "dev": true,
+      "requires": {
+        "ms": "0.7.1"
+      }
+    },
+    "deep-equal": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.0.1.tgz",
+      "integrity": "sha1-9dJgKStmDghO/0zbyfCK0yR0SLU="
+    },
+    "diff": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-1.4.0.tgz",
+      "integrity": "sha1-fyjS657nsVqX79ic5j3P2qPMur8=",
+      "dev": true
+    },
+    "double-ended-queue": {
+      "version": "2.1.0-0",
+      "resolved": "https://registry.npmjs.org/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz",
+      "integrity": "sha1-ED01J/0xUo9AGIEwyEHv3XgmTlw="
+    },
+    "escape-string-regexp": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.2.tgz",
+      "integrity": "sha1-Tbwv5nTnGUnK8/smlc5/LcHZqNE=",
+      "dev": true
+    },
+    "eyes": {
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/eyes/-/eyes-0.1.8.tgz",
+      "integrity": "sha1-Ys8SAjTGg3hdkCNIqADvPgzCC8A="
+    },
+    "glob": {
+      "version": "3.2.11",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-3.2.11.tgz",
+      "integrity": "sha1-Spc/Y1uRkPcV0QmH1cAP0oFevj0=",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3",
+        "minimatch": "0.3.0"
+      }
+    },
+    "growl": {
+      "version": "1.9.2",
+      "resolved": "https://registry.npmjs.org/growl/-/growl-1.9.2.tgz",
+      "integrity": "sha1-Dqd0NxXbjY3ixe3hd14bRayFwC8=",
+      "dev": true
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+    "inherits": {
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+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
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+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
+    },
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+      "integrity": "sha1-jxDXl32NefL2/4YqgbBRPMslaGw=",
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+      "requires": {
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+          "dev": true
+        },
+        "mkdirp": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.0.tgz",
+          "integrity": "sha1-G79asbqCevI1dRQ0kEJkVfSB/h4=",
+          "dev": true
+        }
+      }
+    },
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+      "version": "1.11.3",
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+      "integrity": "sha1-3Yt0J4snEC0p32Pq4oMIqM+htYM="
+    },
+    "lodash": {
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+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
+      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
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+      "integrity": "sha1-bUUk6LlV+V1PW1iFHOId1y+06VI=",
+      "dev": true
+    },
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+      "dev": true,
+      "requires": {
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+        "sigmund": "1.0.1"
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+    "minimist": {
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+      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+      "dev": true
+    },
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+      "dev": true,
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+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-2.5.3.tgz",
+      "integrity": "sha1-FhvlvetJZ3HrmzV0UFC2IrWu/Fg=",
+      "dev": true,
+      "requires": {
+        "commander": "2.3.0",
+        "debug": "2.2.0",
+        "diff": "1.4.0",
+        "escape-string-regexp": "1.0.2",
+        "glob": "3.2.11",
+        "growl": "1.9.2",
+        "jade": "0.26.3",
+        "mkdirp": "0.5.1",
+        "supports-color": "1.2.0",
+        "to-iso-string": "0.0.2"
+      }
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+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
+      "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
+      "dev": true
+    },
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+      "resolved": "https://registry.npmjs.org/node-cache/-/node-cache-3.2.1.tgz",
+      "integrity": "sha1-p5WNMqikLZEZziWYZWfqLF+WZ3M=",
+      "requires": {
+        "clone": "1.0.2",
+        "lodash": "4.17.4"
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+      "integrity": "sha1-VmL8eZ8cPJXZPjAV3QSAZVFJhdM="
+    },
+    "original": {
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+      "integrity": "sha1-XQvMTGc5IXBeKohCzcoWhCcbrgw=",
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+        "url-parse": "0.2.3"
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+    "q": {
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+      "integrity": "sha1-TeLmyzspCIyeTLwDv51C+5bOL3U="
+    },
+    "querystringify": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-0.0.4.tgz",
+      "integrity": "sha1-DPf4T5Rj/wrlHExLFC2VvjdyTZw="
+    },
+    "redis": {
+      "version": "2.8.0",
+      "resolved": "https://registry.npmjs.org/redis/-/redis-2.8.0.tgz",
+      "integrity": "sha512-M1OkonEQwtRmZv4tEWF2VgpG0JWJ8Fv1PhlgT5+B+uNq2cA3Rt1Yt/ryoR+vQNOQcIEgdCdfH0jr3bDpihAw1A==",
+      "requires": {
+        "double-ended-queue": "2.1.0-0",
+        "redis-commands": "1.3.1",
+        "redis-parser": "2.6.0"
+      }
+    },
+    "redis-commands": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.3.1.tgz",
+      "integrity": "sha1-gdgm9F+pyLIBH0zXoP5ZfSQdRCs="
+    },
+    "redis-parser": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-2.6.0.tgz",
+      "integrity": "sha1-Uu0J2srBCPGmMcB+m2mUHnoZUEs="
+    },
+    "requestify": {
+      "version": "https://github.com/launchdarkly/requestify/tarball/d7e23d3f05e55415f50c0970a7e61bea5336f18f",
+      "integrity": "sha1-Tasy47XxgiEDukfqD4Y7fFSOCk0=",
+      "requires": {
+        "jquery": "1.11.3",
+        "q": "0.9.7",
+        "underscore": "1.4.4"
+      }
+    },
+    "requires-port": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-0.0.1.tgz",
+      "integrity": "sha1-S0QUQR2d98hVmV3YmajHiilRwW0="
+    },
+    "rewire": {
+      "version": "2.5.2",
+      "resolved": "https://registry.npmjs.org/rewire/-/rewire-2.5.2.tgz",
+      "integrity": "sha1-ZCfee3/u+n02QBUH62SlOFvFjcc=",
+      "dev": true
+    },
+    "sigmund": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sigmund/-/sigmund-1.0.1.tgz",
+      "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA=",
+      "dev": true
+    },
+    "stack-trace": {
+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
+      "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA="
+    },
+    "supports-color": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-1.2.0.tgz",
+      "integrity": "sha1-/x7R5hFp0Gs88tWI4YixjYhH4X4=",
+      "dev": true
+    },
+    "to-iso-string": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/to-iso-string/-/to-iso-string-0.0.2.tgz",
+      "integrity": "sha1-TcGeZk38y+Jb2NtQiwDG2hWCVdE=",
+      "dev": true
+    },
+    "tunnel": {
+      "version": "https://github.com/launchdarkly/node-tunnel/tarball/d860e57650cce1ea655d00854c81babe6b47e02c",
+      "integrity": "sha1-DxkgfzcgRtPUaCGDy+INSgR8zdk="
+    },
+    "underscore": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.4.4.tgz",
+      "integrity": "sha1-YaajIBBiKvoHljvzJSA88SI51gQ="
+    },
+    "url-parse": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-0.2.3.tgz",
+      "integrity": "sha1-ANPW8LTk8xnqd/djxW8MTJUe0nM=",
+      "requires": {
+        "querystringify": "0.0.4",
+        "requires-port": "0.0.1"
+      }
+    },
+    "winston": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/winston/-/winston-2.3.1.tgz",
+      "integrity": "sha1-C0hCDZeMAYBM8CMLZIhhWYIloRk=",
+      "requires": {
+        "async": "1.0.0",
+        "colors": "1.0.3",
+        "cycle": "1.0.3",
+        "eyes": "0.1.8",
+        "isstream": "0.1.2",
+        "stack-trace": "0.0.10"
+      },
+      "dependencies": {
+        "async": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
+          "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k="
+        }
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
index 69826e0..a8a21ca 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,6 @@
   "dependencies": {
     "async": "^2.0.0-rc.5",
     "crypto": "0.0.3",
-    "deep-equal": "1.0.1",
     "node-cache": "^3.2.1",
     "node-sha1": "0.0.1",
     "original": "~0.0.8",
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..45ee446
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,236 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+async@^2.0.0-rc.5:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.5.0.tgz#843190fd6b7357a0b9e1c956edddd5ec8462b54d"
+  dependencies:
+    lodash "^4.14.0"
+
+async@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async/-/async-1.0.0.tgz#f8fc04ca3a13784ade9e1641af98578cfbd647a9"
+
+clone@1.0.x:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.2.tgz#260b7a99ebb1edfe247538175f783243cb19d149"
+
+colors@1.0.x:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
+
+commander@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-0.6.1.tgz#fa68a14f6a945d54dbbe50d8cdb3320e9e3b1a06"
+
+commander@2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.3.0.tgz#fd430e889832ec353b9acd1de217c11cb3eef873"
+
+crypto@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/crypto/-/crypto-0.0.3.tgz#470a81b86be4c5ee17acc8207a1f5315ae20dbb0"
+
+cycle@1.0.x:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/cycle/-/cycle-1.0.3.tgz#21e80b2be8580f98b468f379430662b046c34ad2"
+
+debug@2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
+  dependencies:
+    ms "0.7.1"
+
+diff@1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-1.4.0.tgz#7f28d2eb9ee7b15a97efd89ce63dcfdaa3ccbabf"
+
+double-ended-queue@^2.1.0-0:
+  version "2.1.0-0"
+  resolved "https://registry.yarnpkg.com/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz#103d3527fd31528f40188130c841efdd78264e5c"
+
+escape-string-regexp@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.2.tgz#4dbc2fe674e71949caf3fb2695ce7f2dc1d9a8d1"
+
+eyes@0.1.x:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/eyes/-/eyes-0.1.8.tgz#62cf120234c683785d902348a800ef3e0cc20bc0"
+
+glob@3.2.11:
+  version "3.2.11"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-3.2.11.tgz#4a973f635b9190f715d10987d5c00fd2815ebe3d"
+  dependencies:
+    inherits "2"
+    minimatch "0.3"
+
+growl@1.9.2:
+  version "1.9.2"
+  resolved "https://registry.yarnpkg.com/growl/-/growl-1.9.2.tgz#0ea7743715db8d8de2c5ede1775e1b45ac85c02f"
+
+inherits@2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
+isstream@0.1.x:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
+
+jade@0.26.3:
+  version "0.26.3"
+  resolved "https://registry.yarnpkg.com/jade/-/jade-0.26.3.tgz#8f10d7977d8d79f2f6ff862a81b0513ccb25686c"
+  dependencies:
+    commander "0.6.1"
+    mkdirp "0.3.0"
+
+"jquery@ ~1.11":
+  version "1.11.3"
+  resolved "https://registry.yarnpkg.com/jquery/-/jquery-1.11.3.tgz#dd8b74278b27102d29df63eae28308a8cfa1b583"
+
+lodash@4.x, lodash@^4.14.0:
+  version "4.17.4"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+
+lru-cache@2:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.7.3.tgz#6d4524e8b955f95d4f5b58851ce21dd72fb4e952"
+
+minimatch@0.3:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-0.3.0.tgz#275d8edaac4f1bb3326472089e7949c8394699dd"
+  dependencies:
+    lru-cache "2"
+    sigmund "~1.0.0"
+
+minimist@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+
+mkdirp@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.3.0.tgz#1bbf5ab1ba827af23575143490426455f481fe1e"
+
+mkdirp@0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  dependencies:
+    minimist "0.0.8"
+
+mocha@^2.4.5:
+  version "2.5.3"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-2.5.3.tgz#161be5bdeb496771eb9b35745050b622b5aefc58"
+  dependencies:
+    commander "2.3.0"
+    debug "2.2.0"
+    diff "1.4.0"
+    escape-string-regexp "1.0.2"
+    glob "3.2.11"
+    growl "1.9.2"
+    jade "0.26.3"
+    mkdirp "0.5.1"
+    supports-color "1.2.0"
+    to-iso-string "0.0.2"
+
+ms@0.7.1:
+  version "0.7.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
+
+node-cache@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/node-cache/-/node-cache-3.2.1.tgz#a7958d32a8a42d9119ce25986567ea2c5f966773"
+  dependencies:
+    clone "1.0.x"
+    lodash "4.x"
+
+node-sha1@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/node-sha1/-/node-sha1-0.0.1.tgz#5662fc799f1c3c95d93e3015dd048065514985d3"
+
+original@~0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/original/-/original-0.0.8.tgz#5d0bcc4c673921705e2a8842cdca1684271bae0c"
+  dependencies:
+    url-parse "0.2.x"
+
+q@~0.9.3:
+  version "0.9.7"
+  resolved "https://registry.yarnpkg.com/q/-/q-0.9.7.tgz#4de2e6cb3b29088c9e4cbc03bf9d42fb96ce2f75"
+
+querystringify@0.0.x:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-0.0.4.tgz#0cf7f84f9463ff0ae51c4c4b142d95be37724d9c"
+
+redis-commands@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/redis-commands/-/redis-commands-1.3.1.tgz#81d826f45fa9c8b2011f4cd7a0fe597d241d442b"
+
+redis-parser@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/redis-parser/-/redis-parser-2.6.0.tgz#52ed09dacac108f1a631c07e9b69941e7a19504b"
+
+redis@^2.6.0-2:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/redis/-/redis-2.8.0.tgz#202288e3f58c49f6079d97af7a10e1303ae14b02"
+  dependencies:
+    double-ended-queue "^2.1.0-0"
+    redis-commands "^1.2.0"
+    redis-parser "^2.6.0"
+
+"requestify@https://github.com/launchdarkly/requestify/tarball/d7e23d3f05e55415f50c0970a7e61bea5336f18f":
+  version "0.2.0"
+  resolved "https://github.com/launchdarkly/requestify/tarball/d7e23d3f05e55415f50c0970a7e61bea5336f18f#4dab32e3b5f1822103ba47ea0f863b7c548e0a4d"
+  dependencies:
+    jquery " ~1.11"
+    q "~0.9.3"
+    underscore "~1.4.4"
+
+requires-port@0.0.x:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-0.0.1.tgz#4b4414411d9df7c855995dd899a8c78a2951c16d"
+
+rewire@^2.5.1:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/rewire/-/rewire-2.5.2.tgz#6427de7b7feefa7d36401507eb64a5385bc58dc7"
+
+sigmund@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
+
+stack-trace@0.0.x:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
+
+supports-color@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-1.2.0.tgz#ff1ed1e61169d06b3cf2d588e188b18d8847e17e"
+
+to-iso-string@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/to-iso-string/-/to-iso-string-0.0.2.tgz#4dc19e664dfccbe25bd8db508b00c6da158255d1"
+
+"tunnel@https://github.com/launchdarkly/node-tunnel/tarball/d860e57650cce1ea655d00854c81babe6b47e02c":
+  version "0.0.4-pre"
+  resolved "https://github.com/launchdarkly/node-tunnel/tarball/d860e57650cce1ea655d00854c81babe6b47e02c#0f19207f372046d3d4682183cbe20d4a047ccdd9"
+
+underscore@~1.4.4:
+  version "1.4.4"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.4.4.tgz#61a6a32010622afa07963bf325203cf12239d604"
+
+url-parse@0.2.x:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-0.2.3.tgz#00d3d6f0b4e4f319ea77f763c56f0c4c951ed273"
+  dependencies:
+    querystringify "0.0.x"
+    requires-port "0.0.x"
+
+winston@^2.2.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/winston/-/winston-2.3.1.tgz#0b48420d978c01804cf0230b648861598225a119"
+  dependencies:
+    async "~1.0.0"
+    colors "1.0.x"
+    cycle "1.0.x"
+    eyes "0.1.x"
+    isstream "0.1.x"
+    stack-trace "0.0.x"