Repository: honeycombio/beeline-nodejs
Pull request #65 (2018-07-18 02:10:15)

event.js is getting a little hard to navigate.  split out the two impls to a subdir
sneak in a few other tiny fixes, like ensuring that our http{s} instrumentation work with strings/objects/urls.


Patch:
diff --git a/lib/event_api/index.js b/lib/event_api/index.js
new file mode 100644
index 0000000..e2d4c87
--- /dev/null
+++ b/lib/event_api/index.js
@@ -0,0 +1,70 @@
+/* eslint-env node */
+const path = require("path"),
+  schema = require("../schema"),
+  tracker = require("../async_tracker"),
+  pkg = require(path.join(__dirname, "..", "..", "package.json")),
+  debug = require("debug")(`${pkg.name}:event`),
+  LibhoneyEventAPI = require("./libhoney"),
+  MockEventAPI = require("./mock");
+
+let eventAPI;
+
+module.exports = {
+  configure(opts = {}) {
+    if (eventAPI) {
+      return;
+    }
+
+    let api = LibhoneyEventAPI;
+    if (opts.api) {
+      if (opts.api === "libhoney-event") {
+        api = LibhoneyEventAPI;
+      } else if (opts.api === "mock") {
+        api = MockEventAPI;
+      } else {
+        throw new Error("Unrecognized .api.  valid options are 'libhoney-event' / 'mock'");
+      }
+    }
+    debug(`using api: ${api == LibhoneyEventAPI ? "libhoney-event" : "mock"}`);
+    eventAPI = new api(opts);
+  },
+
+  traceActive() {
+    return !!tracker.getTracked();
+  },
+
+  startRequest(metadataContext, traceId, parentSpanId) {
+    return eventAPI.startRequest(metadataContext, traceId, parentSpanId);
+  },
+  finishRequest(event) {
+    return eventAPI.finishRequest(event);
+  },
+  startEvent(metadataContext, spanId) {
+    return eventAPI.startEvent(metadataContext, spanId);
+  },
+  finishEvent(ev, rollup) {
+    return eventAPI.finishEvent(ev, rollup);
+  },
+  addContext(map) {
+    return eventAPI.addContext(map);
+  },
+  customContext: {
+    add(key, val) {
+      eventAPI.addContext({ [schema.customContext(key)]: val });
+    },
+    remove(key) {
+      eventAPI.removeContext(schema.customContext(key));
+    },
+  },
+  askForIssue(msg, logger = debug) {
+    return eventAPI.askForIssue(msg, logger);
+  },
+
+  // these are exposed just for tests.  don't use them.
+  _apiForTesting() {
+    return eventAPI;
+  },
+  _resetForTesting() {
+    eventAPI = null;
+  },
+};
diff --git a/lib/event.js b/lib/event_api/libhoney.js
similarity index 59%
rename from lib/event.js
rename to lib/event_api/libhoney.js
index 70d1fbd..5364803 100644
--- a/lib/event.js
+++ b/lib/event_api/libhoney.js
@@ -4,95 +4,20 @@ const libhoney = require("libhoney").default,
   process = require("process"),
   path = require("path"),
   uuidv4 = require("uuid/v4"),
-  tracker = require("./async_tracker"),
-  instrumentation = require("./instrumentation"),
-  DeterministicSampler = require("./deterministic_sampler"),
-  schema = require("./schema"),
-  pkg = require(path.join(__dirname, "..", "package.json")),
+  tracker = require("../async_tracker"),
+  instrumentation = require("../instrumentation"),
+  DeterministicSampler = require("../deterministic_sampler"),
+  schema = require("../schema"),
+  pkg = require(path.join(__dirname, "..", "..", "package.json")),
   debug = require("debug")(`${pkg.name}:event`);
 
-let eventAPI;
-
-function configure(opts = {}) {
-  if (eventAPI) {
-    return;
-  }
-
-  let api = LibhoneyEventAPI;
-  if (opts.api) {
-    if (opts.api === "libhoney-event") {
-      api = LibhoneyEventAPI;
-    } else if (opts.api === "mock") {
-      api = MockEventAPI;
-    } else {
-      throw new Error("Unrecognized .api.  valid options are 'libhoney-event' / 'mock'");
-    }
-  }
-  debug(`using api: ${api == LibhoneyEventAPI ? "libhoney-event" : "mock"}`);
-  eventAPI = new api(opts);
-}
-
-function apiForTesting() {
-  return eventAPI;
-}
-
-function resetForTesting() {
-  eventAPI = null;
-}
-
 const defaultName = "nodejs";
 
 const incr = (payload, key, val = 1) => {
   payload[key] = (payload[key] || 0) + val;
 };
 
-class MockEventAPI {
-  constructor(opts) {
-    this.constructorArg = opts;
-    this.customContext = {};
-    this.eventStack = [];
-    this.sentEvents = [];
-    this.traceId = 0;
-  }
-
-  startRequest(metadataContext, traceId) {
-    let id = this.traceId++;
-    tracker.setTracked({ id: traceId || id });
-    return this.startEvent(metadataContext);
-  }
-  finishRequest(ev) {
-    this.finishEvent(ev);
-    tracker.deleteTracked();
-  }
-  startEvent(metadataContext) {
-    let context = tracker.getTracked();
-    const eventPayload = Object.assign({}, metadataContext, {
-      [schema.TRACE_ID]: context.id,
-      startTime: Date.now(),
-      startTimeHR: process.hrtime(),
-    });
-    this.eventStack.push(eventPayload);
-    return eventPayload;
-  }
-  finishEvent(ev, _rollup) {
-    Object.assign(ev, this.customContext, {
-      [schema.DURATION_MS]: 0,
-      [schema.BEELINE_VERSION]: pkg.version,
-    });
-    // pop it off the stack
-    const idx = this.eventStack.indexOf(ev);
-    this.eventStack = this.eventStack.slice(0, idx);
-    this.sentEvents.push(ev);
-  }
-  addContext(map) {
-    Object.assign(this.customContext, map);
-  }
-  removeContext(key) {
-    delete this.customContext[key];
-  }
-}
-
-class LibhoneyEventAPI {
+module.exports = class LibhoneyEventAPI {
   constructor(opts) {
     let sampleRate;
     let optsWithoutSampleRate = {};
@@ -168,23 +93,23 @@ class LibhoneyEventAPI {
     const context = tracker.getTracked();
     if (!context) {
       // valid, since we can end up in our instrumentation outside of requests we're tracking
-      askForIssue("no context in finishEvent.");
+      this.askForIssue("no context in finishEvent.");
       return;
     }
     if (context.stack.length === 0) {
       // this _really_ shouldn't happen.
-      askForIssue("no payload for event we're trying to finish (stack is empty).");
+      this.askForIssue("no payload for event we're trying to finish (stack is empty).");
       return;
     }
     const idx = context.stack.indexOf(ev);
     if (idx === -1) {
       // again, this _really_ shouldn't happen.
-      askForIssue("no payload for event we're trying to finish (event not found).");
+      this.askForIssue("no payload for event we're trying to finish (event not found).");
       return;
     }
     if (idx !== context.stack.length - 1) {
       // the event we're finishing isn't the most deeply nested one. warn the user.
-      askForIssue(
+      this.askForIssue(
         "finishing an event with unfinished nested events. almost certainly not what we want."
       );
     }
@@ -263,50 +188,15 @@ class LibhoneyEventAPI {
       .concat(context.stack.map((payload, idx) => `${idx}: ${JSON.stringify(payload)}`))
       .join("\n");
   }
-}
-
-const customContext = {
-  add(key, val) {
-    eventAPI.addContext({ [schema.customContext(key)]: val });
-  },
-  remove(key) {
-    eventAPI.removeContext(schema.customContext(key));
-  },
-};
 
-exports.configure = configure;
-exports.apiForTesting = apiForTesting;
-exports.resetForTesting = resetForTesting;
-exports.traceActive = function traceActive() {
-  return !!tracker.getTracked();
-};
-exports.startRequest = function startRequest(metadataContext, traceId) {
-  return eventAPI.startRequest(metadataContext, traceId);
-};
-exports.finishRequest = function finishRequest(ev) {
-  return eventAPI.finishRequest(ev);
-};
-exports.addContext = function addContext(map) {
-  return eventAPI.addContext(map);
-};
-exports.startEvent = function startEvent(metadataContext, spanId) {
-  return eventAPI.startEvent(metadataContext, spanId);
-};
-exports.finishEvent = function finishEvent(ev, rollup) {
-  return eventAPI.finishEvent(ev, rollup);
+  askForIssue(msg, logger = debug) {
+    logger(`-------------------
+    ${pkg.name} error: ${msg}
+    please paste this message (everything between the "----" lines) into an issue
+    at ${pkg.bugs}.  feel free to edit
+    out any application stack frames if you'd rather not share those
+    ${new Error().stack}
+    ${this.dumpRequestContext()}
+    -------------------`);
+  }
 };
-const dumpRequestContext = (exports.dumpRequestContext = function dumpRequestContext() {
-  return eventAPI.dumpRequestContext();
-});
-exports.customContext = customContext;
-
-const askForIssue = (exports.askForIssue = (msg, logger = debug) => {
-  logger(`-------------------
-${pkg.name} error: ${msg}
-please paste this message (everything between the "----" lines) into an issue
-at ${pkg.bugs}.  feel free to edit
-out any application stack frames if you'd rather not share those
-${new Error().stack}
-${dumpRequestContext()}
--------------------`);
-});
diff --git a/lib/event_api/mock.js b/lib/event_api/mock.js
new file mode 100644
index 0000000..1a743f0
--- /dev/null
+++ b/lib/event_api/mock.js
@@ -0,0 +1,60 @@
+/* eslint-env node */
+const process = require("process"),
+  path = require("path"),
+  pkg = require(path.join(__dirname, "..", "..", "package.json")),
+  tracker = require("../async_tracker"),
+  schema = require("../schema");
+
+module.exports = class MockEventAPI {
+  constructor(opts) {
+    this.constructorArg = opts;
+    this.customContext = {};
+    this.sentEvents = [];
+    this.traceId = 0;
+  }
+
+  startRequest(metadataContext, traceId) {
+    let id = this.traceId++;
+    tracker.setTracked({ id: traceId || id, spanId: 50000, stack: [] });
+    return this.startEvent(metadataContext, id);
+  }
+  finishRequest(ev) {
+    this.finishEvent(ev);
+    tracker.deleteTracked();
+  }
+  startEvent(metadataContext, spanId = undefined) {
+    let context = tracker.getTracked();
+    let parentId;
+    if (context.stack.length > 0) {
+      parentId = context.stack[context.stack.length - 1][schema.TRACE_SPAN_ID];
+    }
+    const eventPayload = Object.assign({}, metadataContext, {
+      [schema.TRACE_ID]: context.id,
+      [schema.TRACE_SPAN_ID]: spanId || ++context.spanId,
+      startTime: Date.now(),
+      startTimeHR: process.hrtime(),
+    });
+    if (parentId) {
+      eventPayload[schema.TRACE_PARENT_ID] = parentId;
+    }
+    context.stack.push(eventPayload);
+    return eventPayload;
+  }
+  finishEvent(ev, _rollup) {
+    Object.assign(ev, this.customContext, {
+      [schema.DURATION_MS]: 0,
+      [schema.BEELINE_VERSION]: pkg.version,
+    });
+    let context = tracker.getTracked();
+    // pop it off the stack
+    const idx = context.stack.indexOf(ev);
+    this.eventStack = context.stack.slice(0, idx);
+    this.sentEvents.push(ev);
+  }
+  addContext(map) {
+    Object.assign(this.customContext, map);
+  }
+  removeContext(key) {
+    delete this.customContext[key];
+  }
+};
diff --git a/lib/index.js b/lib/index.js
index cb469dc..17093de 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,5 +1,5 @@
 /* eslint-env node */
-const event = require("./event"),
+const event = require("./event_api"),
   instrumentation = require("./instrumentation");
 
 function configure(opts = {}) {
diff --git a/lib/instrumentation/child_process.js b/lib/instrumentation/child_process.js
index cdcb46c..187a7b2 100644
--- a/lib/instrumentation/child_process.js
+++ b/lib/instrumentation/child_process.js
@@ -1,6 +1,6 @@
 /* eslint-env node */
 const shimmer = require("shimmer"),
-  event = require("../event"),
+  event = require("../event_api"),
   schema = require("../schema");
 
 function wrapExecLike(name, packageVersion) {
diff --git a/lib/instrumentation/express.js b/lib/instrumentation/express.js
index 2736c2b..b4b5638 100644
--- a/lib/instrumentation/express.js
+++ b/lib/instrumentation/express.js
@@ -2,7 +2,7 @@
 const onHeaders = require("on-headers"),
   tracker = require("../async_tracker"),
   schema = require("../schema"),
-  event = require("../event"),
+  event = require("../event_api"),
   path = require("path"),
   pkg = require(path.join(__dirname, "..", "..", "package.json")),
   debug = require("debug")(`${pkg.name}:express`);
diff --git a/lib/instrumentation/http.js b/lib/instrumentation/http.js
index 753328f..e4b8b39 100644
--- a/lib/instrumentation/http.js
+++ b/lib/instrumentation/http.js
@@ -1,7 +1,7 @@
 /* eslint-env node */
 const url = require("url"),
   shimmer = require("shimmer"),
-  event = require("../event"),
+  event = require("../event_api"),
   schema = require("../schema");
 
 let instrumentHTTP = (http, opts = {}) => {
@@ -21,11 +21,26 @@ let instrumentHTTP = (http, opts = {}) => {
         return original.apply(this, [options, cb]);
       }
 
+      // let's make sure we have an object (or a url) for options.
+      if (typeof options === "string") {
+        options = url.parse(options);
+      } else {
+        options = Object.assign({}, options);
+      }
+
+      // make sure options is populated enough for url.format to give us reasonable results.  these are all defaults from nodejs docs.
+      options.protocol = options.protocol || "http:";
+      options.port = options.port || 80;
+      options.pathname = options.path || "/";
+      if (!options.hostname && !options.host) {
+        options.hostname = "localhost";
+      }
+
       let ev = event.startEvent({
         [schema.EVENT_TYPE]: "http",
         [schema.PACKAGE_VERSION]: opts.packageVersion,
-        [schema.TRACE_SPAN_NAME]: "request",
-        url: typeof options === "string" ? options : url.format(options),
+        [schema.TRACE_SPAN_NAME]: options.method || "GET",
+        url: url.format(options),
       });
 
       let wrapped_cb = function(res) {
@@ -34,6 +49,7 @@ let instrumentHTTP = (http, opts = {}) => {
           return cb.apply(this, [res]);
         }
       };
+
       if (cb) {
         return original.apply(this, [options, wrapped_cb]);
       } else {
diff --git a/lib/instrumentation/https.js b/lib/instrumentation/https.js
index e646bc2..78cb819 100644
--- a/lib/instrumentation/https.js
+++ b/lib/instrumentation/https.js
@@ -1,7 +1,7 @@
 /* eslint-env node */
 const url = require("url"),
   shimmer = require("shimmer"),
-  event = require("../event"),
+  event = require("../event_api"),
   schema = require("../schema");
 
 let instrumentHTTPS = (https, opts = {}) => {
@@ -21,11 +21,26 @@ let instrumentHTTPS = (https, opts = {}) => {
         return original.apply(this, [options, cb]);
       }
 
+      // let's make sure we have an object (or a url) for options.
+      if (typeof options === "string") {
+        options = url.parse(options);
+      } else {
+        options = Object.assign({}, options);
+      }
+
+      // make sure options is populated enough for url.format to give us reasonable results.  these are all defaults from nodejs docs.
+      options.protocol = options.protocol || "https:";
+      options.port = options.port !== 443 ? options.port : null;
+      options.pathname = options.path || "/";
+      if (!options.hostname && !options.host) {
+        options.hostname = "localhost";
+      }
+
       let ev = event.startEvent({
         [schema.EVENT_TYPE]: "https",
         [schema.PACKAGE_VERSION]: opts.packageVersion,
-        [schema.TRACE_SPAN_NAME]: "request",
-        url: typeof options === "string" ? options : url.format(options),
+        [schema.TRACE_SPAN_NAME]: options.method || "GET",
+        url: url.format(options),
       });
 
       let wrapped_cb = function(res) {
diff --git a/lib/instrumentation/mongodb.js b/lib/instrumentation/mongodb.js
index bf54de0..d7b89f4 100644
--- a/lib/instrumentation/mongodb.js
+++ b/lib/instrumentation/mongodb.js
@@ -1,7 +1,7 @@
 /* eslint-env node */
 const shimmer = require("shimmer"),
   tracker = require("../async_tracker"),
-  event = require("../event"),
+  event = require("../event_api"),
   schema = require("../schema");
 
 function prefixKeys(prefix, map = {}) {
diff --git a/lib/instrumentation/mysql2.js b/lib/instrumentation/mysql2.js
index aef84e9..1a88380 100644
--- a/lib/instrumentation/mysql2.js
+++ b/lib/instrumentation/mysql2.js
@@ -1,7 +1,7 @@
 /* eslint-env node */
 const shimmer = require("shimmer"),
   tracker = require("../async_tracker"),
-  event = require("../event"),
+  event = require("../event_api"),
   schema = require("../schema");
 
 let instrumentConnection = function(conn, packageVersion) {
diff --git a/lib/instrumentation/react-dom-server.js b/lib/instrumentation/react-dom-server.js
index bb9d4aa..a85f03f 100644
--- a/lib/instrumentation/react-dom-server.js
+++ b/lib/instrumentation/react-dom-server.js
@@ -1,6 +1,6 @@
 /* eslint-env node */
 const shimmer = require("shimmer"),
-  event = require("../event"),
+  event = require("../event_api"),
   schema = require("../schema");
 
 function shimRenderMethod(reactDOMServer, name, packageVersion) {
diff --git a/package-lock.json b/package-lock.json
index 96f682a..0e99037 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,9 +21,9 @@
         "sha512-r4snW6Q8ICL3Y8hGzYJRvyG/+sc+kvkewXNedG9tQjoHmUFMwMSv/o45GWQUQswevGnWghiGkpRPivFfOuMsOA==",
       "dev": true,
       "requires": {
-        "chalk": "2.3.0",
-        "esutils": "2.0.2",
-        "js-tokens": "3.0.2"
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^3.0.0"
       }
     },
     "abab": {
@@ -38,7 +38,7 @@
       "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
       "dev": true,
       "requires": {
-        "mime-types": "2.1.18",
+        "mime-types": "~2.1.18",
         "negotiator": "0.6.1"
       },
       "dependencies": {
@@ -56,7 +56,7 @@
             "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
           "dev": true,
           "requires": {
-            "mime-db": "1.33.0"
+            "mime-db": "~1.33.0"
           }
         }
       }
@@ -75,7 +75,7 @@
         "sha512-KjZwU26uG3u6eZcfGbTULzFcsoz6pegNKtHPksZPOUsiKo5bUmiBPa38FuHZ/Eun+XYh/JCCkS9AS3Lu4McQOQ==",
       "dev": true,
       "requires": {
-        "acorn": "5.4.1"
+        "acorn": "^5.0.0"
       }
     },
     "acorn-jsx": {
@@ -84,7 +84,7 @@
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
       "requires": {
-        "acorn": "3.3.0"
+        "acorn": "^3.0.4"
       },
       "dependencies": {
         "acorn": {
@@ -101,10 +101,10 @@
       "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
       "dev": true,
       "requires": {
-        "co": "4.6.0",
-        "fast-deep-equal": "1.0.0",
-        "fast-json-stable-stringify": "2.0.0",
-        "json-schema-traverse": "0.3.1"
+        "co": "^4.6.0",
+        "fast-deep-equal": "^1.0.0",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.3.0"
       }
     },
     "ajv-keywords": {
@@ -119,9 +119,9 @@
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
       "requires": {
-        "kind-of": "3.2.2",
-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
       }
     },
     "amdefine": {
@@ -150,7 +150,7 @@
         "sha512-NnSOmMEYtVR2JVMIGTzynRkkaxtiq1xnFBcdQD/DnNCYPoEPsVJhM98BDyaoNOQIi7p4okdi3E27eN7GQbsUug==",
       "dev": true,
       "requires": {
-        "color-convert": "1.9.1"
+        "color-convert": "^1.9.0"
       }
     },
     "any-observable": {
@@ -166,8 +166,8 @@
         "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
       "dev": true,
       "requires": {
-        "micromatch": "3.1.10",
-        "normalize-path": "2.1.1"
+        "micromatch": "^3.1.4",
+        "normalize-path": "^2.1.1"
       },
       "dependencies": {
         "arr-diff": {
@@ -189,16 +189,16 @@
             "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
           "dev": true,
           "requires": {
-            "arr-flatten": "1.1.0",
-            "array-unique": "0.3.2",
-            "extend-shallow": "2.0.1",
-            "fill-range": "4.0.0",
-            "isobject": "3.0.1",
-            "repeat-element": "1.1.2",
-            "snapdragon": "0.8.2",
-            "snapdragon-node": "2.1.1",
-            "split-string": "3.1.0",
-            "to-regex": "3.0.2"
+            "arr-flatten": "^1.1.0",
+            "array-unique": "^0.3.2",
+            "extend-shallow": "^2.0.1",
+            "fill-range": "^4.0.0",
+            "isobject": "^3.0.1",
+            "repeat-element": "^1.1.2",
+            "snapdragon": "^0.8.1",
+            "snapdragon-node": "^2.0.1",
+            "split-string": "^3.0.2",
+            "to-regex": "^3.0.1"
           },
           "dependencies": {
             "extend-shallow": {
@@ -207,7 +207,7 @@
               "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
               "dev": true,
               "requires": {
-                "is-extendable": "0.1.1"
+                "is-extendable": "^0.1.0"
               }
             }
           }
@@ -228,13 +228,13 @@
           "integrity": "sha1-t3c14xXOMPa27/D4OwQVGiJEliI=",
           "dev": true,
           "requires": {
-            "debug": "2.6.9",
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@@ -923,7 +923,7 @@
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-        "strip-ansi": "4.0.0",
-        "strip-json-comments": "2.0.1",
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+        "doctrine": "^2.1.0",
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+        "ignore": "^3.3.3",
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+        "minimatch": "^3.0.2",
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+        "natural-compare": "^1.4.0",
+        "optionator": "^0.8.2",
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+        "regexpp": "^1.0.1",
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@@ -1898,7 +1898,7 @@
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@@ -1909,8 +1909,8 @@
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-        "estraverse": "4.2.0"
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-        "acorn-jsx": "3.0.1"
+        "acorn": "^5.5.0",
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@@ -2001,13 +2001,13 @@
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-        "p-finally": "1.0.0",
-        "signal-exit": "3.0.2",
-        "strip-eof": "1.0.0"
+        "cross-spawn": "^5.0.1",
+        "get-stream": "^3.0.0",
+        "is-stream": "^1.1.0",
+        "npm-run-path": "^2.0.0",
+        "p-finally": "^1.0.0",
+        "signal-exit": "^3.0.0",
+        "strip-eof": "^1.0.0"
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@@ -2028,7 +2028,7 @@
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       "dev": true,
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@@ -2037,7 +2037,7 @@
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@@ -2047,12 +2047,12 @@
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@@ -2061,36 +2061,36 @@
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       "dev": true,
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         "body-parser": "1.18.2",
         "content-disposition": "0.5.2",
-        "content-type": "1.0.4",
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-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
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-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
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+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
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         "serve-static": "1.13.2",
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-        "statuses": "1.4.0",
-        "type-is": "1.6.16",
+        "statuses": "~1.4.0",
+        "type-is": "~1.6.16",
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@@ -2116,8 +2116,8 @@
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       "dev": true,
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-        "assign-symbols": "1.0.0",
-        "is-extendable": "1.0.1"
+        "assign-symbols": "^1.0.0",
+        "is-extendable": "^1.0.1"
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@@ -2127,7 +2127,7 @@
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-            "is-plain-object": "2.0.4"
+            "is-plain-object": "^2.0.4"
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@@ -2139,9 +2139,9 @@
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       "dev": true,
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-        "chardet": "0.4.2",
-        "iconv-lite": "0.4.19",
-        "tmp": "0.0.33"
+        "chardet": "^0.4.0",
+        "iconv-lite": "^0.4.17",
+        "tmp": "^0.0.33"
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@@ -2150,7 +2150,7 @@
       "integrity": "sha1-Lhj/PS9JqydlzskCPwEdqo2DSaE=",
       "dev": true,
       "requires": {
-        "is-extglob": "1.0.0"
+        "is-extglob": "^1.0.0"
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@@ -2184,7 +2184,7 @@
       "integrity": "sha1-VOmr99+i8mzZsWNsWIwa/AXeXVg=",
       "dev": true,
       "requires": {
-        "bser": "2.0.0"
+        "bser": "^2.0.0"
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@@ -2193,13 +2193,13 @@
       "integrity": "sha1-XmdDL1UNxBtXK/VYR7ispk5TN9s=",
       "dev": true,
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-        "isomorphic-fetch": "2.2.1",
-        "loose-envify": "1.3.1",
-        "object-assign": "4.1.1",
-        "promise": "7.3.1",
-        "setimmediate": "1.0.5",
-        "ua-parser-js": "0.7.18"
+        "core-js": "^1.0.0",
+        "isomorphic-fetch": "^2.1.1",
+        "loose-envify": "^1.0.0",
+        "object-assign": "^4.1.0",
+        "promise": "^7.1.1",
+        "setimmediate": "^1.0.5",
+        "ua-parser-js": "^0.7.9"
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@@ -2216,8 +2216,8 @@
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       "dev": true,
       "requires": {
-        "escape-string-regexp": "1.0.5",
-        "object-assign": "4.1.1"
+        "escape-string-regexp": "^1.0.5",
+        "object-assign": "^4.1.0"
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@@ -2226,8 +2226,8 @@
       "integrity": "sha1-w5KZDD5oR4PYOLjISkXYoEhFg2E=",
       "dev": true,
       "requires": {
-        "flat-cache": "1.3.0",
-        "object-assign": "4.1.1"
+        "flat-cache": "^1.2.1",
+        "object-assign": "^4.0.1"
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@@ -2242,8 +2242,8 @@
       "integrity": "sha1-jnVIqW08wjJ+5eZ0FocjozO7oqA=",
       "dev": true,
       "requires": {
-        "glob": "7.1.2",
-        "minimatch": "3.0.4"
+        "glob": "^7.0.3",
+        "minimatch": "^3.0.3"
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@@ -2252,11 +2252,11 @@
       "integrity": "sha1-ULd9/X5Gm8dJJHCWNpn+eoSFpyM=",
       "dev": true,
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-        "isobject": "2.1.0",
-        "randomatic": "1.1.7",
-        "repeat-element": "1.1.2",
-        "repeat-string": "1.6.1"
+        "is-number": "^2.1.0",
+        "isobject": "^2.0.0",
+        "randomatic": "^1.1.3",
+        "repeat-element": "^1.1.2",
+        "repeat-string": "^1.5.2"
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@@ -2267,12 +2267,12 @@
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-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
-        "statuses": "1.4.0",
-        "unpipe": "1.0.0"
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
+        "statuses": "~1.4.0",
+        "unpipe": "~1.0.0"
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@@ -2299,7 +2299,7 @@
       "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
       "dev": true,
       "requires": {
-        "locate-path": "2.0.0"
+        "locate-path": "^2.0.0"
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@@ -2308,10 +2308,10 @@
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       "dev": true,
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-        "circular-json": "0.3.3",
-        "del": "2.2.2",
-        "graceful-fs": "4.1.11",
-        "write": "0.2.1"
+        "circular-json": "^0.3.1",
+        "del": "^2.0.2",
+        "graceful-fs": "^4.1.2",
+        "write": "^0.2.1"
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@@ -2326,7 +2326,7 @@
       "integrity": "sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=",
       "dev": true,
       "requires": {
-        "for-in": "1.0.2"
+        "for-in": "^1.0.1"
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@@ -2346,9 +2346,9 @@
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       "integrity": "sha1-BaxrwiIntD5EYfSIFhVUaZ1Pi14=",
       "requires": {
-        "async": "1.5.2",
-        "combined-stream": "1.0.5",
-        "mime-types": "2.1.17"
+        "async": "^1.5.2",
+        "combined-stream": "^1.0.5",
+        "mime-types": "^2.1.10"
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@@ -2368,7 +2368,7 @@
       "integrity": "sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=",
       "dev": true,
       "requires": {
-        "map-cache": "0.2.2"
+        "map-cache": "^0.2.2"
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     "fresh": {
@@ -2391,8 +2391,8 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "nan": "2.10.0",
-        "node-pre-gyp": "0.9.1"
+        "nan": "^2.9.2",
+        "node-pre-gyp": "^0.9.0"
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@@ -2418,8 +2418,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.3.6"
+            "delegates": "^1.0.0",
+            "readable-stream": "^2.0.6"
           }
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         "balanced-match": {
@@ -2432,7 +2432,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "balanced-match": "1.0.0",
+            "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
           }
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@@ -2496,7 +2496,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "minipass": "2.2.4"
+            "minipass": "^2.2.1"
           }
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@@ -2511,14 +2511,14 @@
           "dev": true,
           "optional": true,
           "requires": {
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-            "console-control-strings": "1.1.0",
-            "has-unicode": "2.0.1",
-            "object-assign": "4.1.1",
-            "signal-exit": "3.0.2",
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wide-align": "1.1.2"
+            "aproba": "^1.0.3",
+            "console-control-strings": "^1.0.0",
+            "has-unicode": "^2.0.0",
+            "object-assign": "^4.1.0",
+            "signal-exit": "^3.0.0",
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wide-align": "^1.1.0"
           }
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         "glob": {
@@ -2527,12 +2527,12 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "fs.realpath": "1.0.0",
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
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         "has-unicode": {
@@ -2547,7 +2547,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "safer-buffer": "2.1.2"
+            "safer-buffer": "^2.1.0"
           }
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         "ignore-walk": {
@@ -2556,7 +2556,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "minimatch": "3.0.4"
+            "minimatch": "^3.0.4"
           }
         },
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@@ -2565,8 +2565,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
+            "wrappy": "1"
           }
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@@ -2585,7 +2585,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
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         "isarray": {
@@ -2599,7 +2599,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "brace-expansion": "1.1.11"
+            "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
@@ -2612,8 +2612,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "safe-buffer": "5.1.1",
-            "yallist": "3.0.2"
+            "safe-buffer": "^5.1.1",
+            "yallist": "^3.0.0"
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@@ -2622,7 +2622,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "minipass": "2.2.4"
+            "minipass": "^2.2.1"
           }
         },
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@@ -2645,9 +2645,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "debug": "2.6.9",
-            "iconv-lite": "0.4.21",
-            "sax": "1.2.4"
+            "debug": "^2.1.2",
+            "iconv-lite": "^0.4.4",
+            "sax": "^1.2.4"
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@@ -2656,16 +2656,16 @@
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-            "rc": "1.2.6",
-            "rimraf": "2.6.2",
-            "semver": "5.5.0",
-            "tar": "4.4.1"
+            "detect-libc": "^1.0.2",
+            "mkdirp": "^0.5.1",
+            "needle": "^2.2.0",
+            "nopt": "^4.0.1",
+            "npm-packlist": "^1.1.6",
+            "npmlog": "^4.0.2",
+            "rc": "^1.1.7",
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
+            "tar": "^4"
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@@ -2674,8 +2674,8 @@
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-            "abbrev": "1.1.1",
-            "osenv": "0.1.5"
+            "abbrev": "1",
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@@ -2690,8 +2690,8 @@
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-            "ignore-walk": "3.0.1",
-            "npm-bundled": "1.0.3"
+            "ignore-walk": "^3.0.1",
+            "npm-bundled": "^1.0.1"
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@@ -2700,10 +2700,10 @@
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-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
+            "are-we-there-yet": "~1.1.2",
+            "console-control-strings": "~1.1.0",
+            "gauge": "~2.7.3",
+            "set-blocking": "~2.0.0"
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@@ -2722,7 +2722,7 @@
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           "dev": true,
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+            "wrappy": "1"
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@@ -2743,8 +2743,8 @@
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-            "os-tmpdir": "1.0.2"
+            "os-homedir": "^1.0.0",
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@@ -2765,10 +2765,10 @@
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-            "ini": "1.3.5",
-            "minimist": "1.2.0",
-            "strip-json-comments": "2.0.1"
+            "deep-extend": "~0.4.0",
+            "ini": "~1.3.0",
+            "minimist": "^1.2.0",
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@@ -2785,13 +2785,13 @@
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-            "util-deprecate": "1.0.2"
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@@ -2800,7 +2800,7 @@
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+            "glob": "^7.0.5"
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@@ -2843,9 +2843,9 @@
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-            "is-fullwidth-code-point": "1.0.0",
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@@ -2854,7 +2854,7 @@
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@@ -2862,7 +2862,7 @@
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+            "ansi-regex": "^2.0.0"
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@@ -2877,13 +2877,13 @@
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-            "safe-buffer": "5.1.1",
-            "yallist": "3.0.2"
+            "chownr": "^1.0.1",
+            "fs-minipass": "^1.2.5",
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+            "safe-buffer": "^5.1.1",
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@@ -2898,7 +2898,7 @@
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+            "string-width": "^1.0.2"
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@@ -2959,7 +2959,7 @@
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       "dev": true,
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+        "assert-plus": "^1.0.0"
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@@ -2969,12 +2969,12 @@
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-        "inherits": "2.0.3",
-        "minimatch": "3.0.4",
-        "once": "1.4.0",
-        "path-is-absolute": "1.0.1"
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
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@@ -2983,8 +2983,8 @@
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       "dev": true,
       "requires": {
-        "glob-parent": "2.0.0",
-        "is-glob": "2.0.1"
+        "glob-parent": "^2.0.0",
+        "is-glob": "^2.0.0"
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@@ -2993,7 +2993,7 @@
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       "dev": true,
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-        "is-glob": "2.0.1"
+        "is-glob": "^2.0.0"
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@@ -3009,12 +3009,12 @@
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-        "glob": "7.1.2",
-        "object-assign": "4.1.1",
-        "pify": "2.3.0",
-        "pinkie-promise": "2.0.1"
+        "array-union": "^1.0.1",
+        "arrify": "^1.0.0",
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+        "object-assign": "^4.0.1",
+        "pify": "^2.0.0",
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@@ -3035,10 +3035,10 @@
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-        "optimist": "0.6.1",
-        "source-map": "0.4.4",
-        "uglify-js": "2.8.29"
+        "async": "^1.4.0",
+        "optimist": "^0.6.1",
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@@ -3047,7 +3047,7 @@
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@@ -3064,8 +3064,8 @@
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-        "har-schema": "2.0.0"
+        "ajv": "^5.1.0",
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@@ -3074,7 +3074,7 @@
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       "dev": true,
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-        "function-bind": "1.1.1"
+        "function-bind": "^1.0.2"
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@@ -3083,7 +3083,7 @@
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-        "ansi-regex": "2.1.1"
+        "ansi-regex": "^2.0.0"
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@@ -3106,9 +3106,9 @@
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-        "has-values": "1.0.0",
-        "isobject": "3.0.1"
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+        "has-values": "^1.0.0",
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@@ -3125,8 +3125,8 @@
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-        "is-number": "3.0.0",
-        "kind-of": "4.0.0"
+        "is-number": "^3.0.0",
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@@ -3135,7 +3135,7 @@
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@@ -3144,7 +3144,7 @@
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               "dev": true,
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@@ -3155,7 +3155,7 @@
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@@ -3167,10 +3167,10 @@
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-        "cryptiles": "3.1.2",
-        "hoek": "4.2.1",
-        "sntp": "2.1.0"
+        "boom": "4.x.x",
+        "cryptiles": "3.x.x",
+        "hoek": "4.x.x",
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@@ -3186,8 +3186,8 @@
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-        "os-homedir": "1.0.2",
-        "os-tmpdir": "1.0.2"
+        "os-homedir": "^1.0.0",
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@@ -3205,7 +3205,7 @@
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       "dev": true,
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-        "whatwg-encoding": "1.0.3"
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@@ -3214,10 +3214,10 @@
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       "dev": true,
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-        "depd": "1.1.2",
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-        "statuses": "1.4.0"
+        "statuses": ">= 1.4.0 < 2"
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@@ -3226,9 +3226,9 @@
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-        "jsprim": "1.4.1",
-        "sshpk": "1.14.1"
+        "assert-plus": "^1.0.0",
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@@ -3238,9 +3238,9 @@
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-        "normalize-path": "1.0.0",
-        "strip-indent": "2.0.0"
+        "is-ci": "^1.0.10",
+        "normalize-path": "^1.0.0",
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@@ -3264,8 +3264,8 @@
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-        "resolve-cwd": "2.0.0"
+        "pkg-dir": "^2.0.0",
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@@ -3280,7 +3280,7 @@
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       "dev": true,
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+        "repeating": "^2.0.0"
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@@ -3289,8 +3289,8 @@
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-        "once": "1.4.0",
-        "wrappy": "1.0.2"
+        "once": "^1.3.0",
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-        "cli-width": "2.2.0",
-        "external-editor": "2.2.0",
-        "figures": "2.0.0",
-        "lodash": "4.17.4",
+        "ansi-escapes": "^3.0.0",
+        "chalk": "^2.0.0",
+        "cli-cursor": "^2.1.0",
+        "cli-width": "^2.0.0",
+        "external-editor": "^2.0.4",
+        "figures": "^2.0.0",
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-        "string-width": "2.1.1",
-        "strip-ansi": "4.0.0",
-        "through": "2.3.8"
+        "run-async": "^2.2.0",
+        "rx-lite": "^4.0.8",
+        "rx-lite-aggregates": "^4.0.8",
+        "string-width": "^2.1.0",
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@@ -3327,7 +3327,7 @@
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           "dev": true,
           "requires": {
-            "restore-cursor": "2.0.0"
+            "restore-cursor": "^2.0.0"
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@@ -3336,7 +3336,7 @@
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           "dev": true,
           "requires": {
-            "escape-string-regexp": "1.0.5"
+            "escape-string-regexp": "^1.0.5"
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@@ -3345,7 +3345,7 @@
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           "dev": true,
           "requires": {
-            "mimic-fn": "1.2.0"
+            "mimic-fn": "^1.0.0"
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@@ -3354,8 +3354,8 @@
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           "dev": true,
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-            "onetime": "2.0.1",
-            "signal-exit": "3.0.2"
+            "onetime": "^2.0.0",
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@@ -3364,7 +3364,7 @@
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           "dev": true,
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@@ -3376,7 +3376,7 @@
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+        "loose-envify": "^1.0.0"
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@@ -3398,7 +3398,7 @@
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       "dev": true,
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@@ -3420,7 +3420,7 @@
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       "dev": true,
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@@ -3436,7 +3436,7 @@
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       "dev": true,
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-        "ci-info": "1.1.2"
+        "ci-info": "^1.0.0"
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@@ -3445,7 +3445,7 @@
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       "dev": true,
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+        "kind-of": "^3.0.2"
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@@ -3461,9 +3461,9 @@
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-        "is-data-descriptor": "0.1.4",
-        "kind-of": "5.1.0"
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@@ -3493,7 +3493,7 @@
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       "dev": true,
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+        "is-primitive": "^2.0.0"
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-        "slash": "1.0.0",
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-        "esprima": "4.0.0"
+        "argparse": "^1.0.7",
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@@ -4287,32 +4292,32 @@
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-        "html-encoding-sniffer": "1.0.2",
-        "left-pad": "1.3.0",
-        "nwmatcher": "1.4.4",
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+        "cssom": ">= 0.3.2 < 0.4.0",
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-        "whatwg-url": "6.4.1",
-        "ws": "4.1.0",
-        "xml-name-validator": "3.0.0"
+        "pn": "^1.1.0",
+        "request": "^2.83.0",
+        "request-promise-native": "^1.0.5",
+        "sax": "^1.2.4",
+        "symbol-tree": "^3.2.2",
+        "tough-cookie": "^2.3.3",
+        "w3c-hr-time": "^1.0.1",
+        "webidl-conversions": "^4.0.2",
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@@ -4349,7 +4354,7 @@
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       "dev": true,
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+        "jsonify": "~0.0.0"
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@@ -4395,7 +4400,7 @@
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@@ -4411,7 +4416,7 @@
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       "dev": true,
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+        "invert-kv": "^1.0.0"
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@@ -4433,8 +4438,8 @@
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-        "type-check": "0.3.2"
+        "prelude-ls": "~1.1.2",
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@@ -4442,8 +4447,8 @@
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-        "urljoin": "0.1.5"
+        "superagent": "^2.3.0",
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-        "pify": "3.0.0",
-        "please-upgrade-node": "3.0.2",
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+        "chalk": "^2.3.1",
+        "commander": "^2.14.1",
+        "cosmiconfig": "^4.0.0",
+        "debug": "^3.1.0",
+        "dedent": "^0.7.0",
+        "execa": "^0.9.0",
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+        "is-glob": "^4.0.0",
+        "jest-validate": "^22.4.0",
+        "listr": "^0.13.0",
+        "lodash": "^4.17.5",
+        "log-symbols": "^2.2.0",
+        "micromatch": "^3.1.8",
+        "npm-which": "^3.0.1",
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-        "string-argv": "0.0.2",
-        "stringify-object": "3.2.2"
+        "string-argv": "^0.0.2",
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@@ -4484,7 +4489,7 @@
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@@ -4506,16 +4511,16 @@
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-            "split-string": "3.1.0",
-            "to-regex": "3.0.2"
+            "arr-flatten": "^1.1.0",
+            "array-unique": "^0.3.2",
+            "extend-shallow": "^2.0.1",
+            "fill-range": "^4.0.0",
+            "isobject": "^3.0.1",
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+            "snapdragon": "^0.8.1",
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@@ -4524,7 +4529,7 @@
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               "dev": true,
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+                "is-extendable": "^0.1.0"
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@@ -4536,9 +4541,9 @@
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-            "escape-string-regexp": "1.0.5",
-            "supports-color": "5.4.0"
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
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@@ -4548,13 +4553,13 @@
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-            "p-finally": "1.0.0",
-            "signal-exit": "3.0.2",
-            "strip-eof": "1.0.0"
+            "cross-spawn": "^5.0.1",
+            "get-stream": "^3.0.0",
+            "is-stream": "^1.1.0",
+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
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@@ -4563,13 +4568,13 @@
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-            "snapdragon": "0.8.2",
-            "to-regex": "3.0.2"
+            "debug": "^2.3.3",
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+            "regex-not": "^1.0.0",
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@@ -4588,7 +4593,7 @@
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+                "is-descriptor": "^0.1.0"
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@@ -4597,7 +4602,7 @@
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+                "is-extendable": "^0.1.0"
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@@ -4607,7 +4612,7 @@
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@@ -4616,7 +4621,7 @@
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                   "dev": true,
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@@ -4628,7 +4633,7 @@
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+                "kind-of": "^3.0.2"
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@@ -4637,7 +4642,7 @@
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                   "dev": true,
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@@ -4649,9 +4654,9 @@
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-                "is-data-descriptor": "0.1.4",
-                "kind-of": "5.1.0"
+                "is-accessor-descriptor": "^0.1.6",
+                "is-data-descriptor": "^0.1.4",
+                "kind-of": "^5.0.0"
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@@ -4670,14 +4675,14 @@
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-            "regex-not": "1.0.2",
-            "snapdragon": "0.8.2",
-            "to-regex": "3.0.2"
+            "array-unique": "^0.3.2",
+            "define-property": "^1.0.0",
+            "expand-brackets": "^2.1.4",
+            "extend-shallow": "^2.0.1",
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-        "npm-path": "2.0.4",
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-        "wordwrap": "0.0.3"
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-        "is-extglob": "1.0.0",
-        "is-glob": "2.0.1"
+        "glob-base": "^0.3.0",
+        "is-dotfile": "^1.0.0",
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@@ -5726,7 +5731,7 @@
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-        "pify": "2.3.0",
-        "pinkie-promise": "2.0.1"
+        "graceful-fs": "^4.1.2",
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       "dev": true,
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-        "pinkie": "2.0.4"
+        "pinkie": "^2.0.0"
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-        "ansi-styles": "3.2.0"
+        "ansi-regex": "^3.0.0",
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-        "loose-envify": "1.3.1",
-        "object-assign": "4.1.1"
+        "fbjs": "^0.8.16",
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+        "forwarded": "~0.1.2",
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-        "kind-of": "4.0.0"
+        "is-number": "^3.0.0",
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@@ -5978,7 +5983,7 @@
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@@ -5987,7 +5992,7 @@
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               "dev": true,
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@@ -5998,7 +6003,7 @@
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-        "loose-envify": "1.3.1",
-        "object-assign": "4.1.1",
-        "prop-types": "15.6.1"
+        "fbjs": "^0.8.16",
+        "loose-envify": "^1.1.0",
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-        "loose-envify": "1.3.1",
-        "object-assign": "4.1.1",
-        "prop-types": "15.6.1"
+        "fbjs": "^0.8.16",
+        "loose-envify": "^1.1.0",
+        "object-assign": "^4.1.1",
+        "prop-types": "^15.6.0"
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@@ -6079,9 +6084,9 @@
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-        "normalize-package-data": "2.4.0",
-        "path-type": "1.1.0"
+        "load-json-file": "^1.0.0",
+        "normalize-package-data": "^2.3.2",
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@@ -6090,8 +6095,8 @@
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       "dev": true,
       "requires": {
-        "find-up": "1.1.2",
-        "read-pkg": "1.1.0"
+        "find-up": "^1.0.0",
+        "read-pkg": "^1.0.0"
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@@ -6100,8 +6105,8 @@
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-            "pinkie-promise": "2.0.1"
+            "path-exists": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
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@@ -6110,7 +6115,7 @@
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           "dev": true,
           "requires": {
-            "pinkie-promise": "2.0.1"
+            "pinkie-promise": "^2.0.0"
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@@ -6121,13 +6126,13 @@
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-        "safe-buffer": "5.1.1",
-        "string_decoder": "1.0.3",
-        "util-deprecate": "1.0.2"
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~1.0.6",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.0.3",
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+        "util.promisify": "^1.0.0"
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+        "is-equal-shallow": "^0.1.3"
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@@ -6164,8 +6169,8 @@
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-        "safe-regex": "1.1.0"
+        "extend-shallow": "^3.0.2",
+        "safe-regex": "^1.1.0"
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@@ -6200,7 +6205,7 @@
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       "dev": true,
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+        "is-finite": "^1.0.0"
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@@ -6210,28 +6215,28 @@
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-        "caseless": "0.12.0",
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-        "performance-now": "2.1.0",
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-        "stringstream": "0.0.5",
-        "tough-cookie": "2.3.4",
-        "tunnel-agent": "0.6.0",
-        "uuid": "3.2.1"
+        "aws-sign2": "~0.7.0",
+        "aws4": "^1.6.0",
+        "caseless": "~0.12.0",
+        "combined-stream": "~1.0.5",
+        "extend": "~3.0.1",
+        "forever-agent": "~0.6.1",
+        "form-data": "~2.3.1",
+        "har-validator": "~5.0.3",
+        "hawk": "~6.0.2",
+        "http-signature": "~1.2.0",
+        "is-typedarray": "~1.0.0",
+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.17",
+        "oauth-sign": "~0.8.2",
+        "performance-now": "^2.1.0",
+        "qs": "~6.5.1",
+        "safe-buffer": "^5.1.1",
+        "stringstream": "~0.0.5",
+        "tough-cookie": "~2.3.3",
+        "tunnel-agent": "^0.6.0",
+        "uuid": "^3.1.0"
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@@ -6240,9 +6245,9 @@
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           "dev": true,
           "requires": {
-            "asynckit": "0.4.0",
+            "asynckit": "^0.4.0",
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+            "mime-types": "^2.1.12"
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@@ -6251,7 +6256,7 @@
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               "dev": true,
               "requires": {
-                "delayed-stream": "1.0.0"
+                "delayed-stream": "~1.0.0"
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         },
         "is-descriptor": {
@@ -7731,9 +7736,9 @@
             "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
           "dev": true,
           "requires": {
-            "is-accessor-descriptor": "1.0.0",
-            "is-data-descriptor": "1.0.0",
-            "kind-of": "6.0.2"
+            "is-accessor-descriptor": "^1.0.0",
+            "is-data-descriptor": "^1.0.0",
+            "kind-of": "^6.0.2"
           }
         },
         "is-number": {
@@ -7742,7 +7747,7 @@
           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
           "dev": true,
           "requires": {
-            "kind-of": "3.2.2"
+            "kind-of": "^3.0.2"
           },
           "dependencies": {
             "kind-of": {
@@ -7751,7 +7756,7 @@
               "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
               "dev": true,
               "requires": {
-                "is-buffer": "1.1.6"
+                "is-buffer": "^1.1.5"
               }
             }
           }
@@ -7776,19 +7781,19 @@
             "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
           "dev": true,
           "requires": {
-            "arr-diff": "4.0.0",
-            "array-unique": "0.3.2",
-            "braces": "2.3.2",
-            "define-property": "2.0.2",
-            "extend-shallow": "3.0.2",
-            "extglob": "2.0.4",
-            "fragment-cache": "0.2.1",
-            "kind-of": "6.0.2",
-            "nanomatch": "1.2.9",
-            "object.pick": "1.3.0",
-            "regex-not": "1.0.2",
-            "snapdragon": "0.8.2",
-            "to-regex": "3.0.2"
+            "arr-diff": "^4.0.0",
+            "array-unique": "^0.3.2",
+            "braces": "^2.3.1",
+            "define-property": "^2.0.2",
+            "extend-shallow": "^3.0.2",
+            "extglob": "^2.0.4",
+            "fragment-cache": "^0.2.1",
+            "kind-of": "^6.0.2",
+            "nanomatch": "^1.2.9",
+            "object.pick": "^1.3.0",
+            "regex-not": "^1.0.0",
+            "snapdragon": "^0.8.1",
+            "to-regex": "^3.0.2"
           }
         }
       }
@@ -7818,7 +7823,7 @@
         "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
       "dev": true,
       "requires": {
-        "os-tmpdir": "1.0.2"
+        "os-tmpdir": "~1.0.2"
       }
     },
     "tmpl": {
@@ -7839,7 +7844,7 @@
       "integrity": "sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=",
       "dev": true,
       "requires": {
-        "kind-of": "3.2.2"
+        "kind-of": "^3.0.2"
       }
     },
     "to-regex": {
@@ -7849,10 +7854,10 @@
         "sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==",
       "dev": true,
       "requires": {
-        "define-property": "2.0.2",
-        "extend-shallow": "3.0.2",
-        "regex-not": "1.0.2",
-        "safe-regex": "1.1.0"
+        "define-property": "^2.0.2",
+        "extend-shallow": "^3.0.2",
+        "regex-not": "^1.0.2",
+        "safe-regex": "^1.1.0"
       }
     },
     "to-regex-range": {
@@ -7861,8 +7866,8 @@
       "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
       "dev": true,
       "requires": {
-        "is-number": "3.0.0",
-        "repeat-string": "1.6.1"
+        "is-number": "^3.0.0",
+        "repeat-string": "^1.6.1"
       },
       "dependencies": {
         "is-number": {
@@ -7871,7 +7876,7 @@
           "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
           "dev": true,
           "requires": {
-            "kind-of": "3.2.2"
+            "kind-of": "^3.0.2"
           }
         }
       }
@@ -7883,7 +7888,7 @@
         "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
       "dev": true,
       "requires": {
-        "punycode": "1.4.1"
+        "punycode": "^1.4.1"
       },
       "dependencies": {
         "punycode": {
@@ -7900,7 +7905,7 @@
       "integrity": "sha1-qLE/1r/SSJUZZ0zN5VujaTtwbQk=",
       "dev": true,
       "requires": {
-        "punycode": "2.1.0"
+        "punycode": "^2.1.0"
       }
     },
     "trim-right": {
@@ -7915,7 +7920,7 @@
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "dev": true,
       "requires": {
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "^5.0.1"
       }
     },
     "tweetnacl": {
@@ -7931,7 +7936,7 @@
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
       "requires": {
-        "prelude-ls": "1.1.2"
+        "prelude-ls": "~1.1.2"
       }
     },
     "type-is": {
@@ -7942,7 +7947,7 @@
       "dev": true,
       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "2.1.18"
+        "mime-types": "~2.1.18"
       },
       "dependencies": {
         "mime-db": {
@@ -7959,7 +7964,7 @@
             "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
           "dev": true,
           "requires": {
-            "mime-db": "1.33.0"
+            "mime-db": "~1.33.0"
           }
         }
       }
@@ -7984,9 +7989,9 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "source-map": "0.5.7",
-        "uglify-to-browserify": "1.0.2",
-        "yargs": "3.10.0"
+        "source-map": "~0.5.1",
+        "uglify-to-browserify": "~1.0.0",
+        "yargs": "~3.10.0"
       },
       "dependencies": {
         "yargs": {
@@ -7996,9 +8001,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "camelcase": "1.2.1",
-            "cliui": "2.1.0",
-            "decamelize": "1.2.0",
+            "camelcase": "^1.0.2",
+            "cliui": "^2.1.0",
+            "decamelize": "^1.0.0",
             "window-size": "0.1.0"
           }
         }
@@ -8018,10 +8023,10 @@
       "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
       "dev": true,
       "requires": {
-        "arr-union": "3.1.0",
-        "get-value": "2.0.6",
-        "is-extendable": "0.1.1",
-        "set-value": "0.4.3"
+        "arr-union": "^3.1.0",
+        "get-value": "^2.0.6",
+        "is-extendable": "^0.1.1",
+        "set-value": "^0.4.3"
       },
       "dependencies": {
         "extend-shallow": {
@@ -8030,7 +8035,7 @@
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
           "dev": true,
           "requires": {
-            "is-extendable": "0.1.1"
+            "is-extendable": "^0.1.0"
           }
         },
         "set-value": {
@@ -8039,10 +8044,10 @@
           "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
           "dev": true,
           "requires": {
-            "extend-shallow": "2.0.1",
-            "is-extendable": "0.1.1",
-            "is-plain-object": "2.0.4",
-            "to-object-path": "0.3.0"
+            "extend-shallow": "^2.0.1",
+            "is-extendable": "^0.1.1",
+            "is-plain-object": "^2.0.1",
+            "to-object-path": "^0.3.0"
           }
         }
       }
@@ -8059,8 +8064,8 @@
       "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
       "dev": true,
       "requires": {
-        "has-value": "0.3.1",
-        "isobject": "3.0.1"
+        "has-value": "^0.3.1",
+        "isobject": "^3.0.0"
       },
       "dependencies": {
         "has-value": {
@@ -8069,9 +8074,9 @@
           "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
           "dev": true,
           "requires": {
-            "get-value": "2.0.6",
-            "has-values": "0.1.4",
-            "isobject": "2.1.0"
+            "get-value": "^2.0.3",
+            "has-values": "^0.1.4",
+            "isobject": "^2.0.0"
           },
           "dependencies": {
             "isobject": {
@@ -8110,7 +8115,7 @@
       "resolved": "https://registry.npmjs.org/urljoin/-/urljoin-0.1.5.tgz",
       "integrity": "sha1-sl0sYRLFWsnVAJakmg8ft/T1OSE=",
       "requires": {
-        "extend": "2.0.1"
+        "extend": "~2.0.0"
       },
       "dependencies": {
         "extend": {
@@ -8127,7 +8132,7 @@
         "sha512-6UJEQM/L+mzC3ZJNM56Q4DFGLX/evKGRg15UJHGB9X5j5Z3AFbgZvjUh2yq/UJUY4U5dh7Fal++XbNg1uzpRAw==",
       "dev": true,
       "requires": {
-        "kind-of": "6.0.2"
+        "kind-of": "^6.0.2"
       },
       "dependencies": {
         "kind-of": {
@@ -8151,8 +8156,8 @@
         "sha512-i+6qA2MPhvoKLuxnJNpXAGhg7HphQOSUq2LKMZD0m15EiskXUkMvKdF4Uui0WYeCUGea+o2cw/ZuwehtfsrNkA==",
       "dev": true,
       "requires": {
-        "define-properties": "1.1.2",
-        "object.getownpropertydescriptors": "2.0.3"
+        "define-properties": "^1.1.2",
+        "object.getownpropertydescriptors": "^2.0.3"
       }
     },
     "utils-merge": {
@@ -8175,8 +8180,8 @@
         "sha512-63ZOUnL4SIXj4L0NixR3L1lcjO38crAbgrTpl28t8jjrfuiOBL5Iygm+60qPs/KsZGzPNg6Smnc/oY16QTjF0g==",
       "dev": true,
       "requires": {
-        "spdx-correct": "3.0.0",
-        "spdx-expression-parse": "3.0.0"
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
       }
     },
     "vary": {
@@ -8191,9 +8196,9 @@
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "dev": true,
       "requires": {
-        "assert-plus": "1.0.0",
+        "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "1.3.0"
+        "extsprintf": "^1.2.0"
       }
     },
     "w3c-hr-time": {
@@ -8202,7 +8207,7 @@
       "integrity": "sha1-gqwr/2PZUOqeMYmlimViX+3xkEU=",
       "dev": true,
       "requires": {
-        "browser-process-hrtime": "0.1.2"
+        "browser-process-hrtime": "^0.1.2"
       }
     },
     "walker": {
@@ -8211,7 +8216,7 @@
       "integrity": "sha1-L3+bj9ENZ3JisYqITijRlhjgKPs=",
       "dev": true,
       "requires": {
-        "makeerror": "1.0.11"
+        "makeerror": "1.0.x"
       }
     },
     "watch": {
@@ -8220,8 +8225,8 @@
       "integrity": "sha1-KAlUdsbffJDJYxOJkMClQj60uYY=",
       "dev": true,
       "requires": {
-        "exec-sh": "0.2.1",
-        "minimist": "1.2.0"
+        "exec-sh": "^0.2.0",
+        "minimist": "^1.2.0"
       },
       "dependencies": {
         "minimist": {
@@ -8270,9 +8275,9 @@
         "sha512-FwygsxsXx27x6XXuExA/ox3Ktwcbf+OAvrKmLulotDAiO1Q6ixchPFaHYsis2zZBZSJTR0+dR+JVtf7MlbqZjw==",
       "dev": true,
       "requires": {
-        "lodash.sortby": "4.7.0",
-        "tr46": "1.0.1",
-        "webidl-conversions": "4.0.2"
+        "lodash.sortby": "^4.7.0",
+        "tr46": "^1.0.1",
+        "webidl-conversions": "^4.0.2"
       }
     },
     "which": {
@@ -8282,7 +8287,7 @@
         "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
       "dev": true,
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "which-module": {
@@ -8310,8 +8315,8 @@
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1"
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
       },
       "dependencies": {
         "is-fullwidth-code-point": {
@@ -8321,7 +8326,7 @@
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "string-width": {
@@ -8330,9 +8335,9 @@
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
           }
         }
       }
@@ -8349,7 +8354,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "0.5.1"
+        "mkdirp": "^0.5.1"
       }
     },
     "write-file-atomic": {
@@ -8359,9 +8364,9 @@
         "sha512-xuPeK4OdjWqtfi59ylvVL0Yn35SF3zgcAcv7rBPFHVaEapaDr4GdGgm3j7ckTwH9wHL7fGmgfAnb0+THrHb8tA==",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "imurmurhash": "0.1.4",
-        "signal-exit": "3.0.2"
+        "graceful-fs": "^4.1.11",
+        "imurmurhash": "^0.1.4",
+        "signal-exit": "^3.0.2"
       }
     },
     "ws": {
@@ -8371,8 +8376,8 @@
         "sha512-ZGh/8kF9rrRNffkLFV4AzhvooEclrOH0xaugmqGsIfFgOE/pIz4fMc4Ef+5HSQqTEug2S9JZIWDR47duDSLfaA==",
       "dev": true,
       "requires": {
-        "async-limiter": "1.0.0",
-        "safe-buffer": "5.1.1"
+        "async-limiter": "~1.0.0",
+        "safe-buffer": "~5.1.0"
       }
     },
     "xml-name-validator": {
@@ -8401,18 +8406,18 @@
         "sha512-ivSoxqBGYOqQVruxD35+EyCFDYNEFL/Uo6FcOnz+9xZdZzK0Zzw4r4KhbrME1Oo2gOggwJod2MnsdamSG7H9ig==",
       "dev": true,
       "requires": {
-        "cliui": "4.1.0",
-        "decamelize": "1.2.0",
-        "find-up": "2.1.0",
-        "get-caller-file": "1.0.2",
-        "os-locale": "2.1.0",
-        "require-directory": "2.1.1",
-        "require-main-filename": "1.0.1",
-        "set-blocking": "2.0.0",
-        "string-width": "2.1.1",
-        "which-module": "2.0.0",
-        "y18n": "3.2.1",
-        "yargs-parser": "8.1.0"
+        "cliui": "^4.0.0",
+        "decamelize": "^1.1.1",
+        "find-up": "^2.1.0",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^2.0.0",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^2.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^8.1.0"
       },
       "dependencies": {
         "cliui": {
@@ -8422,9 +8427,9 @@
             "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
           "dev": true,
           "requires": {
-            "string-width": "2.1.1",
-            "strip-ansi": "4.0.0",
-            "wrap-ansi": "2.1.0"
+            "string-width": "^2.1.1",
+            "strip-ansi": "^4.0.0",
+            "wrap-ansi": "^2.0.0"
           }
         },
         "strip-ansi": {
@@ -8433,7 +8438,7 @@
           "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
           "dev": true,
           "requires": {
-            "ansi-regex": "3.0.0"
+            "ansi-regex": "^3.0.0"
           }
         }
       }
@@ -8445,7 +8450,7 @@
         "sha512-yP+6QqN8BmrgW2ggLtTbdrOyBNSI7zBa4IykmiV5R1wl1JWNxQvWhMfMdmzIYtKU7oP3OOInY/tl2ov3BDjnJQ==",
       "dev": true,
       "requires": {
-        "camelcase": "4.1.0"
+        "camelcase": "^4.1.0"
       },
       "dependencies": {
         "camelcase": {
diff --git a/package.json b/package.json
index e200092..b668f5b 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "express": "^4.16.3",
     "husky": "^0.14.3",
     "jest": "^22.4.3",
+    "jest-in-case": "^1.0.2",
     "lint-staged": "^7.0.5",
     "prettier": "^1.12.1",
     "react": "^16.3.2",


Test patch:
diff --git a/lib/event.test.js b/lib/event_api/index.test.js
similarity index 93%
rename from lib/event.test.js
rename to lib/event_api/index.test.js
index 75f97af..fdc332b 100644
--- a/lib/event.test.js
+++ b/lib/event_api/index.test.js
@@ -1,15 +1,15 @@
 /* eslint-env node, jest */
 const path = require("path"),
-  event = require("./event"),
-  schema = require("./schema"),
-  tracker = require("./async_tracker"),
-  pkg = require(path.join(__dirname, "..", "package.json"));
+  event = require("."),
+  schema = require("../schema"),
+  tracker = require("../async_tracker"),
+  pkg = require(path.join(__dirname, "..", "..", "package.json"));
 
 beforeEach(() =>
   event.configure({ api: "libhoney-event", transmission: "mock", writeKey: "abc123" }));
-afterEach(() => event.resetForTesting());
+afterEach(() => event._resetForTesting());
 test("libhoney default config", () => {
-  const honey = event.apiForTesting().honey;
+  const honey = event._apiForTesting().honey;
   expect(honey.transmission.constructorArg.apiHost).toBe("https://api.honeycomb.io");
   expect(honey.transmission.constructorArg.dataset).toBe("nodejs");
   expect(honey.transmission.constructorArg.writeKey).toBe("abc123");
@@ -19,7 +19,7 @@ test("libhoney default config", () => {
 });
 
 test("startRequest starts tracking and creates an initial event, finishRequest sends it", () => {
-  const honey = event.apiForTesting().honey;
+  const honey = event._apiForTesting().honey;
   expect(tracker.getTracked()).toBeUndefined(); // context should be empty initially
 
   let requestPayload = event.startRequest({
@@ -56,7 +56,7 @@ test("startRequest starts tracking and creates an initial event, finishRequest s
   expect(postData[schema.TRACE_SPAN_NAME]).toBe("name");
   expect(postData[schema.TRACE_ID]).toBe(traceId);
   expect(postData[schema.TRACE_PARENT_ID]).toBeUndefined();
-  expect(postData[schema.TRACE_SPAN_ID]).toBe(traceId);
+  expect(postData[schema.TRACE_SPAN_ID]).not.toBeUndefined();
   expect(postData[schema.DURATION_MS]).not.toBeUndefined();
 });
 
@@ -139,7 +139,7 @@ test("sub-events can opt to rollup count/duration into request events", () => {
 });
 
 test("sub-events will get manual tracing fields", () => {
-  const honey = event.apiForTesting().honey;
+  const honey = event._apiForTesting().honey;
 
   let requestPayload = event.startRequest({
     [schema.EVENT_TYPE]: "source",
@@ -168,7 +168,7 @@ test("sub-events will get manual tracing fields", () => {
 
 describe("custom context", () => {
   test("it should be added to request events", () => {
-    const honey = event.apiForTesting().honey;
+    const honey = event._apiForTesting().honey;
 
     let requestPayload = event.startRequest({
       [schema.EVENT_TYPE]: "source",
@@ -185,7 +185,7 @@ describe("custom context", () => {
   });
 
   test("removing it works too", () => {
-    const honey = event.apiForTesting().honey;
+    const honey = event._apiForTesting().honey;
 
     let requestPayload = event.startRequest({
       [schema.EVENT_TYPE]: "source",
@@ -204,7 +204,7 @@ describe("custom context", () => {
   });
 
   test("it should be added to subevents sent after it was added", () => {
-    const honey = event.apiForTesting().honey;
+    const honey = event._apiForTesting().honey;
 
     let requestPayload = event.startRequest({
       [schema.EVENT_TYPE]: "source",
diff --git a/lib/index.test.js b/lib/index.test.js
index 777b548..f3e3b7d 100644
--- a/lib/index.test.js
+++ b/lib/index.test.js
@@ -1,12 +1,12 @@
 /* eslint-env node, jest */
 test("the default export from the package has asyncTracker and customContext properties", () => {
-  const beeline = require("./");
+  const beeline = require(".");
   expect(beeline.asyncTracker).toBeDefined();
   expect(beeline.customContext).toBeDefined();
 });
 
 test("the default export function returns itself, so the properties are still there.", () => {
-  const beeline = require("./");
+  const beeline = require(".");
   let rv = beeline({ disableInstrumentation: true });
   expect(rv).toBe(beeline);
   expect(rv.asyncTracker).toBeDefined();
@@ -14,7 +14,7 @@ test("the default export function returns itself, so the properties are still th
 });
 
 test("the function is idempotent.  call it as often as you want.", () => {
-  const beeline = require("./");
+  const beeline = require(".");
   beeline({ disableInstrumentation: true });
   beeline({ disableInstrumentation: true });
 });
diff --git a/lib/instrumentation/child_process.test.js b/lib/instrumentation/child_process.test.js
index 776aa92..9024dbf 100644
--- a/lib/instrumentation/child_process.test.js
+++ b/lib/instrumentation/child_process.test.js
@@ -2,7 +2,7 @@
 const child_process = require("child_process"),
   instrumentChildProcess = require("./child_process"),
   tracker = require("../async_tracker"),
-  event = require("../event"),
+  event = require("../event_api"),
   schema = require("../schema");
 
 instrumentChildProcess(child_process);
@@ -10,40 +10,40 @@ instrumentChildProcess(child_process);
 beforeAll(() => event.configure({ api: "mock" }));
 
 test("exec 'echo hi' works", done => {
-  let context = {};
+  let context = { stack: [] };
   tracker.setTracked(context);
 
   child_process.exec("echo hi", (error, stdout) => {
     expect(error).toBeNull();
     expect(stdout).toBe("hi\n");
     expect(tracker.getTracked()).toBe(context);
-    expect(event.apiForTesting().sentEvents.length).toBe(1);
+    expect(event._apiForTesting().sentEvents.length).toBe(1);
 
-    let ev = event.apiForTesting().sentEvents[0];
+    let ev = event._apiForTesting().sentEvents[0];
     expect(ev["exec.file"]).toBe("echo hi");
     expect(ev["exec.args"]).toBeUndefined();
     expect(ev[schema.TRACE_SPAN_NAME]).toBe("execFile");
-    event.apiForTesting().sentEvents.splice(0, 1);
+    event._apiForTesting().sentEvents.splice(0, 1);
     done();
   });
 });
 
 test("execFile '/bin/echo hi' works", done => {
-  let context = {};
+  let context = { stack: [] };
   tracker.setTracked(context);
 
   child_process.execFile("echo", ["hi"], (error, stdout) => {
     expect(error).toBeNull();
     expect(stdout).toBe("hi\n");
     expect(tracker.getTracked()).toBe(context);
-    expect(event.apiForTesting().sentEvents.length).toBe(1);
+    expect(event._apiForTesting().sentEvents.length).toBe(1);
 
-    let ev = event.apiForTesting().sentEvents[0];
+    let ev = event._apiForTesting().sentEvents[0];
 
     expect(ev["exec.file"]).toBe("echo");
     expect(ev["exec.args"]).toEqual(["hi"]);
     expect(ev[schema.TRACE_SPAN_NAME]).toBe("execFile");
-    event.apiForTesting().sentEvents.splice(0, 1);
+    event._apiForTesting().sentEvents.splice(0, 1);
     done();
   });
 });
diff --git a/lib/instrumentation/express.test.js b/lib/instrumentation/express.test.js
index 9d4c21b..cd339d9 100644
--- a/lib/instrumentation/express.test.js
+++ b/lib/instrumentation/express.test.js
@@ -2,27 +2,14 @@
 const request = require("supertest"),
   path = require("path"),
   instrumentExpress = require("./express"),
+  cases = require("jest-in-case"),
   schema = require("../schema"),
-  event = require("../event"),
+  event = require("../event_api"),
   pkg = require(path.join(__dirname, "..", "..", "package.json"));
 
-const tests = [
-  {
-    description: "field array userContext",
-    opts: { userContext: ["id", "username"], packageVersion: "1.1.1" },
-  },
-  {
-    description: "function userContext",
-    opts: {
-      userContext: req => ({ id: req.user.id, username: req.user.username }),
-      packageVersion: "1.1.1",
-    },
-  },
-];
-
-for (let t of tests) {
-  describe(t.description, () => {
-    const express = instrumentExpress(require("express"), t.opts);
+describe("userContext", () => {
+  function runCase(opts, done) {
+    const express = instrumentExpress(require("express"), opts);
 
     let server;
     function initializeTestServer() {
@@ -39,27 +26,21 @@ for (let t of tests) {
       server = app.listen(3000);
     }
 
-    beforeEach(() => {
-      event.configure({ api: "mock" });
-      initializeTestServer();
-    });
-    afterEach(() => {
-      event.resetForTesting();
-      server.close();
-    });
+    event.configure({ api: "mock" });
+    initializeTestServer();
 
-    test("sanity check", done => {
-      expect(express.__wrapped).toBe(true);
-      request(server)
-        .get("/")
-        .expect(200, () => {
-          expect(event.apiForTesting().sentEvents.length).toBe(1);
-          let ev = event.apiForTesting().sentEvents[0];
-          expect(ev.startTime).not.toBeUndefined();
-          expect(ev.startTimeHR).not.toBeUndefined();
-          delete ev.startTime;
-          delete ev.startTimeHR;
-          expect(ev).toEqual({
+    expect(express.__wrapped).toBe(true);
+    request(server)
+      .get("/")
+      .expect(200, () => {
+        expect(event._apiForTesting().sentEvents.length).toBe(1);
+        let ev = event._apiForTesting().sentEvents[0];
+        expect(ev.startTime).not.toBeUndefined();
+        expect(ev.startTimeHR).not.toBeUndefined();
+        delete ev.startTime;
+        delete ev.startTimeHR;
+        expect(ev).toEqual(
+          expect.objectContaining({
             [schema.TRACE_ID]: 0,
             [schema.TRACE_ID_SOURCE]: undefined,
             [schema.TRACE_SPAN_NAME]: "request",
@@ -83,14 +64,28 @@ for (let t of tests) {
             "request.user.id": 42,
             "request.user.username": "toshok",
             "response.status_code": "200",
-            appEventPrefix: undefined,
-          });
-          event.apiForTesting().sentEvents.splice(0, 1);
-          done();
-        });
-    });
-  });
-}
+          })
+        );
+        event._resetForTesting();
+        server.close();
+        done();
+      });
+  }
+
+  cases("userContext", (opts, done) => runCase(opts, done), [
+    {
+      name: "field array userContext",
+      userContext: ["id", "username"],
+      packageVersion: "1.1.1",
+    },
+
+    {
+      description: "function userContext",
+      userContext: req => ({ id: req.user.id, username: req.user.username }),
+      packageVersion: "1.1.1",
+    },
+  ]);
+});
 
 describe("userContext as function", () => {
   let cb_called = false;
@@ -118,7 +113,7 @@ describe("userContext as function", () => {
     initializeTestServer();
   });
   afterEach(() => {
-    event.resetForTesting();
+    event._resetForTesting();
     server.close();
   });
 
@@ -127,8 +122,8 @@ describe("userContext as function", () => {
       .get("/")
       .expect(200, () => {
         expect(cb_called).toBe(true);
-        expect(event.apiForTesting().sentEvents.length).toBe(1);
-        let ev = event.apiForTesting().sentEvents[0];
+        expect(event._apiForTesting().sentEvents.length).toBe(1);
+        let ev = event._apiForTesting().sentEvents[0];
         expect(ev["request.user.random"]).toBe("stuff");
         done();
       });
@@ -154,7 +149,7 @@ describe("request id from http headers", () => {
     initializeTestServer();
   });
   afterEach(() => {
-    event.resetForTesting();
+    event._resetForTesting();
     server.close();
   });
 
@@ -163,8 +158,8 @@ describe("request id from http headers", () => {
       .get("/")
       .set("X-Request-ID", "abc123")
       .expect(200, () => {
-        expect(event.apiForTesting().sentEvents.length).toBe(1);
-        let ev = event.apiForTesting().sentEvents[0];
+        expect(event._apiForTesting().sentEvents.length).toBe(1);
+        let ev = event._apiForTesting().sentEvents[0];
         expect(ev[schema.TRACE_ID]).toBe("abc123");
         expect(ev[schema.TRACE_ID_SOURCE]).toBe("X-Request-ID http header");
         done();
@@ -176,8 +171,8 @@ describe("request id from http headers", () => {
       .get("/")
       .set("X-Amzn-Trace-Id", "Root=1-67891233-abcdef012345678912345678")
       .expect(200, () => {
-        expect(event.apiForTesting().sentEvents.length).toBe(1);
-        let ev = event.apiForTesting().sentEvents[0];
+        expect(event._apiForTesting().sentEvents.length).toBe(1);
+        let ev = event._apiForTesting().sentEvents[0];
         expect(ev[schema.TRACE_ID]).toBe("Root=1-67891233-abcdef012345678912345678");
         expect(ev[schema.TRACE_ID_SOURCE]).toBe("X-Amzn-Trace-Id http header");
         done();
@@ -190,8 +185,8 @@ describe("request id from http headers", () => {
       .set("X-Request-ID", "abc123")
       .set("X-Amzn-Trace-Id", "Root=1-67891233-abcdef012345678912345678")
       .expect(200, () => {
-        expect(event.apiForTesting().sentEvents.length).toBe(1);
-        let ev = event.apiForTesting().sentEvents[0];
+        expect(event._apiForTesting().sentEvents.length).toBe(1);
+        let ev = event._apiForTesting().sentEvents[0];
         expect(ev[schema.TRACE_ID]).toBe("abc123");
         expect(ev[schema.TRACE_ID_SOURCE]).toBe("X-Request-ID http header");
         done();
@@ -220,7 +215,7 @@ describe("trace id callback", () => {
     initializeTestServer();
   });
   afterEach(() => {
-    event.resetForTesting();
+    event._resetForTesting();
     server.close();
   });
 
@@ -229,8 +224,8 @@ describe("trace id callback", () => {
       .get("/")
       .set("X-Request-ID", "abc123")
       .expect(200, () => {
-        expect(event.apiForTesting().sentEvents.length).toBe(1);
-        let ev = event.apiForTesting().sentEvents[0];
+        expect(event._apiForTesting().sentEvents.length).toBe(1);
+        let ev = event._apiForTesting().sentEvents[0];
         expect(ev[schema.TRACE_ID]).toBe("abc123");
         expect(ev[schema.TRACE_ID_SOURCE]).toBe("traceIdSource function");
         done();
@@ -241,8 +236,8 @@ describe("trace id callback", () => {
     request(server)
       .get("/")
       .expect(200, () => {
-        expect(event.apiForTesting().sentEvents.length).toBe(1);
-        let ev = event.apiForTesting().sentEvents[0];
+        expect(event._apiForTesting().sentEvents.length).toBe(1);
+        let ev = event._apiForTesting().sentEvents[0];
         expect(ev[schema.TRACE_ID]).toBe("efgh456");
         expect(ev[schema.TRACE_ID_SOURCE]).toBe("traceIdSource function");
         done();
diff --git a/lib/instrumentation/http.test.js b/lib/instrumentation/http.test.js
index 42086f4..3189065 100644
--- a/lib/instrumentation/http.test.js
+++ b/lib/instrumentation/http.test.js
@@ -3,38 +3,67 @@ const http = require("http"),
   instrumentHttp = require("./http"),
   schema = require("../schema"),
   tracker = require("../async_tracker"),
-  event = require("../event");
+  event = require("../event_api");
+
+function newMockContext() {
+  return { id: 0, spanId: 50000, stack: [] };
+}
 
 instrumentHttp(http);
 
 let server;
 beforeAll(() => {
-  event.configure({ api: "mock" });
-
   server = http.createServer((req, res) => {
     res.end();
   });
 
   server.listen(9009, "localhost");
 });
+
 afterAll(() => {
   server.close();
   server = null;
 });
 
-test("GET http://localhost:9009/ works", done => {
-  let context = {};
-  tracker.setTracked(context);
+beforeEach(() => {
+  event.configure({ api: "mock" });
+});
+afterEach(() => {
+  event._resetForTesting();
+});
+
+test("url as a string", done => {
+  tracker.setTracked(newMockContext());
 
   http.get("http://localhost:9009", _res => {
-    expect(tracker.getTracked()).toBe(context);
-    expect(event.apiForTesting().sentEvents).toMatchObject([
+    expect(event._apiForTesting().sentEvents).toMatchObject([
       {
         [schema.EVENT_TYPE]: "http",
-        [schema.TRACE_SPAN_NAME]: "request",
-        url: "http://localhost:9009",
+        [schema.TRACE_SPAN_NAME]: "GET",
+        url: "http://localhost:9009/",
       },
     ]);
     done();
   });
 });
+
+test("url as options", done => {
+  tracker.setTracked(newMockContext());
+
+  http.get(
+    {
+      hostname: "localhost",
+      port: 9009,
+    },
+    _res => {
+      expect(event._apiForTesting().sentEvents).toEqual([
+        expect.objectContaining({
+          [schema.EVENT_TYPE]: "http",
+          name: "GET",
+          url: "http://localhost:9009/",
+        }),
+      ]);
+      done();
+    }
+  );
+});
diff --git a/lib/instrumentation/https.test.js b/lib/instrumentation/https.test.js
index 0b4ed09..700ba1d 100644
--- a/lib/instrumentation/https.test.js
+++ b/lib/instrumentation/https.test.js
@@ -3,29 +3,54 @@ const https = require("https"),
   instrumentHttps = require("./https"),
   schema = require("../schema"),
   tracker = require("../async_tracker"),
-  event = require("../event");
+  event = require("../event_api");
+
+function newMockContext() {
+  return { id: 0, spanId: 50000, stack: [] };
+}
 
 instrumentHttps(https);
 
 // XXX(toshok) we need to start an https server so we can work without net access.
 // transliterating http.test.js to https doesn't seem to work.
-beforeAll(() => {
+beforeEach(() => {
   event.configure({ api: "mock" });
 });
+afterEach(() => {
+  event._resetForTesting();
+});
 
-test("GET https://google.com works", done => {
-  let context = {};
-  tracker.setTracked(context);
+test("url as a string", done => {
+  tracker.setTracked(newMockContext());
 
   https.get("https://google.com", _res => {
-    expect(tracker.getTracked()).toBe(context);
-    expect(event.apiForTesting().sentEvents).toMatchObject([
+    expect(event._apiForTesting().sentEvents).toMatchObject([
       {
         [schema.EVENT_TYPE]: "https",
-        [schema.TRACE_SPAN_NAME]: "request",
-        url: "https://google.com",
+        [schema.TRACE_SPAN_NAME]: "GET",
+        url: "https://google.com/",
       },
     ]);
     done();
   });
 });
+
+test("url as options", done => {
+  tracker.setTracked(newMockContext());
+
+  https.get(
+    {
+      hostname: "google.com",
+    },
+    _res => {
+      expect(event._apiForTesting().sentEvents).toEqual([
+        expect.objectContaining({
+          [schema.EVENT_TYPE]: "https",
+          name: "GET",
+          url: "https://google.com/",
+        }),
+      ]);
+      done();
+    }
+  );
+});
diff --git a/lib/instrumentation/react-dom-server.test.js b/lib/instrumentation/react-dom-server.test.js
index 83c85c8..5fd5298 100644
--- a/lib/instrumentation/react-dom-server.test.js
+++ b/lib/instrumentation/react-dom-server.test.js
@@ -4,7 +4,7 @@ const ReactDOMServer = require("react-dom/server"),
   instrumentReactDOMServer = require("./react-dom-server"),
   schema = require("../schema"),
   tracker = require("../async_tracker"),
-  event = require("../event");
+  event = require("../event_api");
 
 instrumentReactDOMServer(ReactDOMServer);
 
@@ -14,56 +14,56 @@ beforeAll(() => {
 
 describe("renderToString", () => {
   test("works with context (and sends event)", () => {
-    let context = {};
+    let context = { stack: [] };
     tracker.setTracked(context);
 
     ReactDOMServer.renderToString(React.createElement("div"));
 
-    expect(event.apiForTesting().sentEvents).toEqual([
+    expect(event._apiForTesting().sentEvents).toEqual([
       expect.objectContaining({
         [schema.EVENT_TYPE]: "react",
         [schema.TRACE_SPAN_NAME]: "renderToString",
         [schema.DURATION_MS]: expect.any(Number),
       }),
     ]);
-    expect(event.apiForTesting().sentEvents.length).toBe(1);
+    expect(event._apiForTesting().sentEvents.length).toBe(1);
     // XXX more here
-    event.apiForTesting().sentEvents.splice(0, 1);
+    event._apiForTesting().sentEvents.splice(0, 1);
   });
 
   test("works without context (sends no event)", () => {
     tracker.runWithoutTracking(() => {
       ReactDOMServer.renderToString(React.createElement("div"));
 
-      expect(event.apiForTesting().sentEvents.length).toBe(0);
+      expect(event._apiForTesting().sentEvents.length).toBe(0);
     });
   });
 });
 
 describe("renderToStaticMarkup", () => {
   test("works with context (and sends event)", () => {
-    let context = {};
+    let context = { stack: [] };
     tracker.setTracked(context);
 
     ReactDOMServer.renderToStaticMarkup(React.createElement("div"));
 
-    expect(event.apiForTesting().sentEvents).toEqual([
+    expect(event._apiForTesting().sentEvents).toEqual([
       expect.objectContaining({
         [schema.EVENT_TYPE]: "react",
         [schema.TRACE_SPAN_NAME]: "renderToStaticMarkup",
         [schema.DURATION_MS]: expect.any(Number),
       }),
     ]);
-    expect(event.apiForTesting().sentEvents.length).toBe(1);
+    expect(event._apiForTesting().sentEvents.length).toBe(1);
     // XXX more here
-    event.apiForTesting().sentEvents.splice(0, 1);
+    event._apiForTesting().sentEvents.splice(0, 1);
   });
 
   test("works without context (sends no event)", () => {
     tracker.runWithoutTracking(() => {
       ReactDOMServer.renderToStaticMarkup(React.createElement("div"));
 
-      expect(event.apiForTesting().sentEvents.length).toBe(0);
+      expect(event._apiForTesting().sentEvents.length).toBe(0);
     });
   });
 });