diff --git a/package.json b/package.json
index 36ee8c1f..dd8a6e84 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "assume": "^1.5.2",
-    "browserify": "^14.5.0",
+    "browserify": "^17.0.0",
     "eslint-config-taskcluster": "^3.0.0",
     "mocha": "^4.0.1",
     "source-map-support": "^0.5.0",
diff --git a/yarn.lock b/yarn.lock
index 8331c3ea..e9c8bcfe 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -15,6 +15,20 @@ acorn-jsx@^3.0.0:
   dependencies:
     acorn "^3.0.4"
 
+acorn-node@^1.3.0, acorn-node@^1.5.2, acorn-node@^1.6.1:
+  version "1.8.2"
+  resolved "https://registry.yarnpkg.com/acorn-node/-/acorn-node-1.8.2.tgz#114c95d64539e53dede23de8b9d96df7c7ae2af8"
+  integrity sha512-8mt+fslDufLYntIoPAaIMUe/lrbrehIiwmR3t2k9LljIzoigEPF27eLk2hy8zSGzmR/ogr7zbRKINMo1u0yh5A==
+  dependencies:
+    acorn "^7.0.0"
+    acorn-walk "^7.0.0"
+    xtend "^4.0.2"
+
+acorn-walk@^7.0.0:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-7.2.0.tgz#0de889a601203909b0fbe07b8938dc21d2e967bc"
+  integrity sha512-OPdCF6GsMIP+Az+aWfAAOEt2/+iVDKE7oy6lJ098aoe59oAmK76qV6Gw60SbZ8jHuG2wH058GF4pLFbYamYrVA==
+
 acorn@^3.0.4:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
@@ -27,6 +41,11 @@ acorn@^5.1.1:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.2.1.tgz#317ac7821826c22c702d66189ab8359675f135d7"
 
+acorn@^7.0.0:
+  version "7.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
+  integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
+
 ajv-keywords@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
@@ -68,6 +87,11 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
+array-filter@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-filter/-/array-filter-1.0.0.tgz#baf79e62e6ef4c2a4c0b831232daffec251f9d83"
+  integrity sha1-uveeYubvTCpMC4MSMtr/7CUfnYM=
+
 array-filter@~0.0.0:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/array-filter/-/array-filter-0.0.1.tgz#7da8cf2e26628ed732803581fd21f67cacd2eeec"
@@ -118,11 +142,12 @@ assume@^1.5.2:
     pathval "0.1.x"
     pruddy-error "1.0.x"
 
-astw@^2.0.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/astw/-/astw-2.2.0.tgz#7bd41784d32493987aeb239b6b4e1c57a873b917"
+available-typed-arrays@^1.0.0, available-typed-arrays@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/available-typed-arrays/-/available-typed-arrays-1.0.2.tgz#6b098ca9d8039079ee3f77f7b783c4480ba513f5"
+  integrity sha512-XWX3OX8Onv97LMk/ftVyBibpGwY5a8SmuxZPzeOxqmuEqUCOM9ZE+uIaD1VNJ5QnvU2UQusvmKbuM1FR8QWGfQ==
   dependencies:
-    acorn "^4.0.3"
+    array-filter "^1.0.0"
 
 babel-code-frame@^6.22.0:
   version "6.26.0"
@@ -165,11 +190,12 @@ browser-pack@^6.0.1:
     through2 "^2.0.0"
     umd "^3.0.0"
 
-browser-resolve@^1.11.0, browser-resolve@^1.7.0:
-  version "1.11.2"
-  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
+browser-resolve@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-2.0.0.tgz#99b7304cb392f8d73dba741bb2d7da28c6d7842b"
+  integrity sha512-7sWsQlYL2rGLy2IWm8WL8DCTJvYLc/qlOnsakDac87SOoCd16WLsaAMdCiAqsTNHIe+SXfaqyxyo6THoWqs8WQ==
   dependencies:
-    resolve "1.1.7"
+    resolve "^1.17.0"
 
 browser-stdout@1.3.0:
   version "1.3.0"
@@ -226,65 +252,73 @@ browserify-zlib@~0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserify@^14.5.0:
-  version "14.5.0"
-  resolved "https://registry.yarnpkg.com/browserify/-/browserify-14.5.0.tgz#0bbbce521acd6e4d1d54d8e9365008efb85a9cc5"
+browserify@^17.0.0:
+  version "17.0.0"
+  resolved "https://registry.yarnpkg.com/browserify/-/browserify-17.0.0.tgz#4c48fed6c02bfa2b51fd3b670fddb805723cdc22"
+  integrity sha512-SaHqzhku9v/j6XsQMRxPyBrSP3gnwmE27gLJYZgMT2GeK3J0+0toN+MnuNYDfHwVGQfLiMZ7KSNSIXHemy905w==
   dependencies:
     JSONStream "^1.0.3"
     assert "^1.4.0"
     browser-pack "^6.0.1"
-    browser-resolve "^1.11.0"
+    browser-resolve "^2.0.0"
     browserify-zlib "~0.2.0"
-    buffer "^5.0.2"
+    buffer "~5.2.1"
     cached-path-relative "^1.0.0"
-    concat-stream "~1.5.1"
+    concat-stream "^1.6.0"
     console-browserify "^1.1.0"
     constants-browserify "~1.0.0"
     crypto-browserify "^3.0.0"
     defined "^1.0.0"
-    deps-sort "^2.0.0"
-    domain-browser "~1.1.0"
+    deps-sort "^2.0.1"
+    domain-browser "^1.2.0"
     duplexer2 "~0.1.2"
-    events "~1.1.0"
+    events "^3.0.0"
     glob "^7.1.0"
     has "^1.0.0"
     htmlescape "^1.1.0"
     https-browserify "^1.0.0"
     inherits "~2.0.1"
-    insert-module-globals "^7.0.0"
+    insert-module-globals "^7.2.1"
     labeled-stream-splicer "^2.0.0"
-    module-deps "^4.0.8"
+    mkdirp-classic "^0.5.2"
+    module-deps "^6.2.3"
     os-browserify "~0.3.0"
     parents "^1.0.1"
-    path-browserify "~0.0.0"
+    path-browserify "^1.0.0"
     process "~0.11.0"
     punycode "^1.3.2"
     querystring-es3 "~0.2.0"
     read-only-stream "^2.0.0"
     readable-stream "^2.0.2"
     resolve "^1.1.4"
-    shasum "^1.0.0"
+    shasum-object "^1.0.0"
     shell-quote "^1.6.1"
-    stream-browserify "^2.0.0"
-    stream-http "^2.0.0"
-    string_decoder "~1.0.0"
+    stream-browserify "^3.0.0"
+    stream-http "^3.0.0"
+    string_decoder "^1.1.1"
     subarg "^1.0.0"
     syntax-error "^1.1.1"
     through2 "^2.0.0"
     timers-browserify "^1.0.1"
-    tty-browserify "~0.0.0"
+    tty-browserify "0.0.1"
     url "~0.11.0"
-    util "~0.10.1"
-    vm-browserify "~0.0.1"
+    util "~0.12.0"
+    vm-browserify "^1.0.0"
     xtend "^4.0.0"
 
+buffer-from@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+
 buffer-xor@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
 
-buffer@^5.0.2:
-  version "5.0.6"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.0.6.tgz#2ea669f7eec0b6eda05b08f8b5ff661b28573588"
+buffer@~5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.2.1.tgz#dd57fa0f109ac59c602479044dca7b8b3d0b71d6"
+  integrity sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==
   dependencies:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
@@ -297,6 +331,11 @@ cached-path-relative@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cached-path-relative/-/cached-path-relative-1.0.1.tgz#d09c4b52800aa4c078e2dd81a869aac90d2e54e7"
 
+cached-path-relative@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/cached-path-relative/-/cached-path-relative-1.0.2.tgz#a13df4196d26776220cc3356eb147a52dba2c6db"
+  integrity sha512-5r2GqsoEb4qMTTN9J+WzXfjov+hjxT+j3u5K+kIVNIwAd99DLCJE9pBIMP1qVeybV6JiijL385Oz0DcYxfbOIg==
+
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -360,6 +399,16 @@ color-name@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
 
+combine-source-map@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.8.0.tgz#a58d0df042c186fcf822a8e8015f5450d2d79a8b"
+  integrity sha1-pY0N8ELBhvz4IqjoAV9UUNLXmos=
+  dependencies:
+    convert-source-map "~1.1.0"
+    inline-source-map "~0.6.0"
+    lodash.memoize "~3.0.3"
+    source-map "~0.5.3"
+
 combine-source-map@~0.7.1:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.7.2.tgz#0870312856b307a87cc4ac486f3a9a62aeccc09e"
@@ -385,13 +434,15 @@ concat-stream@^1.6.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
-concat-stream@~1.5.0, concat-stream@~1.5.1:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.5.2.tgz#708978624d856af41a5a741defdd261da752c266"
+concat-stream@^1.6.1, concat-stream@~1.6.0:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
+  integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
   dependencies:
-    inherits "~2.0.1"
-    readable-stream "~2.0.0"
-    typedarray "~0.0.5"
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
 
 console-browserify@^1.1.0:
   version "1.1.0"
@@ -461,6 +512,11 @@ crypto-browserify@^3.0.0:
     public-encrypt "^4.0.0"
     randombytes "^2.0.0"
 
+dash-ast@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/dash-ast/-/dash-ast-1.0.0.tgz#12029ba5fb2f8aa6f0a861795b23c1b4b6c27d37"
+  integrity sha512-Vy4dx7gquTeMcQR/hDkYLGUnwVil6vk4FOOct+djUnHOUWt+zJPJAaRIXaAFkPXtJjvlY7o3rfRu0/3hpnwoUA==
+
 date-now@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
@@ -481,6 +537,13 @@ deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
 
+define-properties@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
+  integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
+  dependencies:
+    object-keys "^1.0.12"
+
 defined@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
@@ -497,12 +560,13 @@ del@^2.0.2:
     pinkie-promise "^2.0.0"
     rimraf "^2.2.8"
 
-deps-sort@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/deps-sort/-/deps-sort-2.0.0.tgz#091724902e84658260eb910748cccd1af6e21fb5"
+deps-sort@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/deps-sort/-/deps-sort-2.0.1.tgz#9dfdc876d2bcec3386b6829ac52162cda9fa208d"
+  integrity sha512-1orqXQr5po+3KI6kQb9A4jnXT1PBwggGl2d7Sq2xsnOeI9GPcE/tGcF9UiSZtZBM7MukY4cAh7MemS6tZYipfw==
   dependencies:
     JSONStream "^1.0.3"
-    shasum "^1.0.0"
+    shasum-object "^1.0.0"
     subarg "^1.0.0"
     through2 "^2.0.0"
 
@@ -513,12 +577,14 @@ des.js@^1.0.0:
     inherits "^2.0.1"
     minimalistic-assert "^1.0.0"
 
-detective@^4.0.0:
-  version "4.5.0"
-  resolved "https://registry.yarnpkg.com/detective/-/detective-4.5.0.tgz#6e5a8c6b26e6c7a254b1c6b6d7490d98ec91edd1"
+detective@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/detective/-/detective-5.2.0.tgz#feb2a77e85b904ecdea459ad897cc90a99bd2a7b"
+  integrity sha512-6SsIx+nUUbuK0EthKjv0zrdnajCCXVYGmbYYiYjFVpzcjwEs/JMDZ8tPRG29J/HhN56t3GJp2cGSWDRjjot8Pg==
   dependencies:
-    acorn "^4.0.3"
+    acorn-node "^1.6.1"
     defined "^1.0.0"
+    minimist "^1.1.1"
 
 diff@3.3.1:
   version "3.3.1"
@@ -539,9 +605,10 @@ doctrine@^2.0.0:
     esutils "^2.0.2"
     isarray "^1.0.0"
 
-domain-browser@~1.1.0:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.1.7.tgz#867aa4b093faa05f1de08c06f4d7b21fdf8698bc"
+domain-browser@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.2.0.tgz#3d31f50191a6749dd1375a7f522e823d42e54eda"
+  integrity sha512-jnjyiM6eRyZl2H+W8Q/zLMA481hzi0eszAaBUzIVnmYVDBbnLxVNnfu1HgEBvCbL+71FrxMl3E6lpKH7Ge3OXA==
 
 duplexer2@^0.1.2, duplexer2@~0.1.0, duplexer2@~0.1.2:
   version "0.1.4"
@@ -561,6 +628,50 @@ elliptic@^6.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+es-abstract@^1.17.4, es-abstract@^1.17.5:
+  version "1.17.7"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.17.7.tgz#a4de61b2f66989fc7421676c1cb9787573ace54c"
+  integrity sha512-VBl/gnfcJ7OercKA9MVaegWsBHFjV492syMudcnQZvt/Dw8ezpcOHYZXa/J96O8vx+g4x65YKhxOwDUh63aS5g==
+  dependencies:
+    es-to-primitive "^1.2.1"
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+    is-callable "^1.2.2"
+    is-regex "^1.1.1"
+    object-inspect "^1.8.0"
+    object-keys "^1.1.1"
+    object.assign "^4.1.1"
+    string.prototype.trimend "^1.0.1"
+    string.prototype.trimstart "^1.0.1"
+
+es-abstract@^1.18.0-next.0, es-abstract@^1.18.0-next.1:
+  version "1.18.0-next.1"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.18.0-next.1.tgz#6e3a0a4bda717e5023ab3b8e90bec36108d22c68"
+  integrity sha512-I4UGspA0wpZXWENrdA0uHbnhte683t3qT/1VFH9aX2dA5PPSf6QW5HHXf5HImaqPmjXaVeVk4RGWnaylmV7uAA==
+  dependencies:
+    es-to-primitive "^1.2.1"
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+    is-callable "^1.2.2"
+    is-negative-zero "^2.0.0"
+    is-regex "^1.1.1"
+    object-inspect "^1.8.0"
+    object-keys "^1.1.1"
+    object.assign "^4.1.1"
+    string.prototype.trimend "^1.0.1"
+    string.prototype.trimstart "^1.0.1"
+
+es-to-primitive@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.1.tgz#e55cd4c9cdc188bcefb03b366c736323fc5c898a"
+  integrity sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==
+  dependencies:
+    is-callable "^1.1.4"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.2"
+
 escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
@@ -652,9 +763,10 @@ esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
 
-events@~1.1.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
+events@^3.0.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/events/-/events-3.2.0.tgz#93b87c18f8efcd4202a461aec4dfc0556b639379"
+  integrity sha512-/46HWwbfCX2xTawVfkKLGxMifJYQBWMwY1mjywRtb4c9x8l5NP3KoJtnIOiL1hfdRkIuYhETxQlo62IF8tcnlg==
 
 evp_bytestokey@^1.0.0:
   version "1.0.0"
@@ -682,6 +794,11 @@ fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
+fast-safe-stringify@^2.0.7:
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/fast-safe-stringify/-/fast-safe-stringify-2.0.7.tgz#124aa885899261f68aedb42a7c080de9da608743"
+  integrity sha512-Utm6CdzT+6xsDk2m8S6uL8VHxNwI6Jub+e9NYTcAms28T84pTa25GJQV9j0CY0N1rM8hK4x6grpF2BQf+2qwVA==
+
 figures@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-2.0.0.tgz#3ab1a2d2a62c8bfb431a0c94cb797a2fce27c962"
@@ -708,6 +825,11 @@ fn.name@1.0.x:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/fn.name/-/fn.name-1.0.1.tgz#8015ad149c1011a116cdb89eba4cc11d9039add8"
 
+foreach@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
+  integrity sha1-C+4AUBiusmDQo6865ljdATbsG5k=
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -716,10 +838,20 @@ function-bind@^1.0.2:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.0.tgz#16176714c801798e4e8f2cf7f7529467bb4a5771"
 
+function-bind@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+  integrity sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==
+
 functional-red-black-tree@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
 
+get-assigned-identifiers@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/get-assigned-identifiers/-/get-assigned-identifiers-1.2.0.tgz#6dbf411de648cbaf8d9169ebb0d2d576191e2ff1"
+  integrity sha512-mBBwmeGTrxEMO4pMaaf/uUEFHnYtwr8FTe8Y/mer4rcV/bye0qGm6pw1bGZFGStxC5O76c5ZAVBGnqHmOaJpdQ==
+
 glob@7.1.2, glob@^7.0.3, glob@^7.0.5, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
@@ -775,12 +907,24 @@ has-flag@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
 
+has-symbols@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.1.tgz#9f5214758a44196c406d9bd76cebf81ec2dd31e8"
+  integrity sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==
+
 has@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
   dependencies:
     function-bind "^1.0.2"
 
+has@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
+  integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
+  dependencies:
+    function-bind "^1.1.1"
+
 hash-base@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-2.0.2.tgz#66ea1d856db4e8a5470cadf6fce23ae5244ef2e1"
@@ -830,10 +974,6 @@ imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
 
-indexof@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
-
 inflight@^1.0.4:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
@@ -849,6 +989,11 @@ inherits@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
 
+inherits@^2.0.4, inherits@~2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
 inline-source-map@~0.6.0:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/inline-source-map/-/inline-source-map-0.6.2.tgz#f9393471c18a79d1724f863fa38b586370ade2a5"
@@ -874,27 +1019,62 @@ inquirer@^3.0.6:
     strip-ansi "^4.0.0"
     through "^2.3.6"
 
-insert-module-globals@^7.0.0:
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/insert-module-globals/-/insert-module-globals-7.0.1.tgz#c03bf4e01cb086d5b5e5ace8ad0afe7889d638c3"
+insert-module-globals@^7.2.1:
+  version "7.2.1"
+  resolved "https://registry.yarnpkg.com/insert-module-globals/-/insert-module-globals-7.2.1.tgz#d5e33185181a4e1f33b15f7bf100ee91890d5cb3"
+  integrity sha512-ufS5Qq9RZN+Bu899eA9QCAYThY+gGW7oRkmb0vC93Vlyu/CFGcH0OYPEjVkDXA5FEbTt1+VWzdoOD3Ny9N+8tg==
   dependencies:
     JSONStream "^1.0.3"
-    combine-source-map "~0.7.1"
-    concat-stream "~1.5.1"
+    acorn-node "^1.5.2"
+    combine-source-map "^0.8.0"
+    concat-stream "^1.6.1"
     is-buffer "^1.1.0"
-    lexical-scope "^1.2.0"
+    path-is-absolute "^1.0.1"
     process "~0.11.0"
     through2 "^2.0.0"
+    undeclared-identifiers "^1.1.2"
     xtend "^4.0.0"
 
+is-arguments@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-arguments/-/is-arguments-1.0.4.tgz#3faf966c7cba0ff437fb31f6250082fcf0448cf3"
+  integrity sha512-xPh0Rmt8NE65sNzvyUmWgI1tz3mKq74lGA0mL8LYZcoIzKOzDh6HmrYm3d18k60nHerC8A9Km8kYu87zfSFnLA==
+
 is-buffer@^1.1.0:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.5.tgz#1f3b26ef613b214b88cbca23cc6c01d87961eecc"
 
+is-callable@^1.1.4, is-callable@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.2.tgz#c7c6715cd22d4ddb48d3e19970223aceabb080d9"
+  integrity sha512-dnMqspv5nU3LoewK2N/y7KLtxtakvTuaCsU9FU50/QDmdbHNy/4/JuRtMHqRU22o3q+W89YQndQEeCVwK+3qrA==
+
+is-core-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.0.0.tgz#58531b70aed1db7c0e8d4eb1a0a2d1ddd64bd12d"
+  integrity sha512-jq1AH6C8MuteOoBPwkxHafmByhL9j5q4OaPGdbuD+ZtQJVzH+i6E3BJDQcBA09k57i2Hh2yQbEG8yObZ0jdlWw==
+  dependencies:
+    has "^1.0.3"
+
+is-date-object@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.2.tgz#bda736f2cd8fd06d32844e7743bfa7494c3bfd7e"
+  integrity sha512-USlDT524woQ08aoZFzh3/Z6ch9Y/EWXEHQ/AaRN0SkKq4t2Jw2R2339tSXmwuVoY7LLlBCbOIlx2myP/L5zk0g==
+
 is-fullwidth-code-point@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
 
+is-generator-function@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/is-generator-function/-/is-generator-function-1.0.7.tgz#d2132e529bb0000a7f80794d4bdf5cd5e5813522"
+  integrity sha512-YZc5EwyO4f2kWCax7oegfuSr9mFz1ZvieNYBEjmukLxgXfBUbxAWGVF7GZf0zidYtoBl3WvC07YK0wT76a+Rtw==
+
+is-negative-zero@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-negative-zero/-/is-negative-zero-2.0.0.tgz#9553b121b0fac28869da9ed459e20c7543788461"
+  integrity sha1-lVOxIbD6wohp2p7UWeIMdUN4hGE=
+
 is-path-cwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
@@ -915,12 +1095,36 @@ is-promise@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
 
+is-regex@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.1.tgz#c6f98aacc546f6cec5468a07b7b153ab564a57b9"
+  integrity sha512-1+QkEcxiLlB7VEyFtyBg94e08OAsvq7FUBgApTq/w2ymCLyKJgDPsybBENVtA7XCQEgEXxKPonG+mvYRxh/LIg==
+  dependencies:
+    has-symbols "^1.0.1"
+
 is-resolvable@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.0.tgz#8df57c61ea2e3c501408d100fb013cf8d6e0cc62"
   dependencies:
     tryit "^1.0.1"
 
+is-symbol@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.3.tgz#38e1014b9e6329be0de9d24a414fd7441ec61937"
+  integrity sha512-OwijhaRSgqvhm/0ZdAcXNZt9lYdKFpcRDT5ULUuYXPoT794UNOdU+gpT6Rzo7b4V2HUl/op6GqY894AZwv9faQ==
+  dependencies:
+    has-symbols "^1.0.1"
+
+is-typed-array@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/is-typed-array/-/is-typed-array-1.1.3.tgz#a4ff5a5e672e1a55f99c7f54e59597af5c1df04d"
+  integrity sha512-BSYUBOK/HJibQ30wWkWold5txYwMUXQct9YHAQJr8fSwvZoiglcqB0pd7vEN23+Tsi9IUEjztdOSzl4qLVYGTQ==
+  dependencies:
+    available-typed-arrays "^1.0.0"
+    es-abstract "^1.17.4"
+    foreach "^2.0.5"
+    has-symbols "^1.0.1"
+
 isarray@^1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
@@ -958,12 +1162,6 @@ json-stable-stringify@^1.0.1:
   dependencies:
     jsonify "~0.0.0"
 
-json-stable-stringify@~0.0.0:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-0.0.1.tgz#611c23e814db375527df851193db59dd2af27f45"
-  dependencies:
-    jsonify "~0.0.0"
-
 jsonify@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
@@ -987,12 +1185,6 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-lexical-scope@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/lexical-scope/-/lexical-scope-1.2.0.tgz#fcea5edc704a4b3a8796cdca419c3a0afaf22df4"
-  dependencies:
-    astw "^2.0.0"
-
 lodash.memoize@~3.0.3:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-3.0.4.tgz#2dcbd2c287cbc0a55cc42328bd0c736150d53e3f"
@@ -1041,6 +1233,16 @@ minimist@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
+minimist@^1.1.1:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
+mkdirp-classic@^0.5.2:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/mkdirp-classic/-/mkdirp-classic-0.5.3.tgz#fa10c9115cc6d8865be221ba47ee9bed78601113"
+  integrity sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A==
+
 mkdirp@0.5.1, mkdirp@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
@@ -1062,21 +1264,22 @@ mocha@^4.0.1:
     mkdirp "0.5.1"
     supports-color "4.4.0"
 
-module-deps@^4.0.8:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/module-deps/-/module-deps-4.1.1.tgz#23215833f1da13fd606ccb8087b44852dcb821fd"
+module-deps@^6.2.3:
+  version "6.2.3"
+  resolved "https://registry.yarnpkg.com/module-deps/-/module-deps-6.2.3.tgz#15490bc02af4b56cf62299c7c17cba32d71a96ee"
+  integrity sha512-fg7OZaQBcL4/L+AK5f4iVqf9OMbCclXfy/znXRxTVhJSeW5AIlS9AwheYwDaXM3lVW7OBeaeUEY3gbaC6cLlSA==
   dependencies:
     JSONStream "^1.0.3"
-    browser-resolve "^1.7.0"
-    cached-path-relative "^1.0.0"
-    concat-stream "~1.5.0"
+    browser-resolve "^2.0.0"
+    cached-path-relative "^1.0.2"
+    concat-stream "~1.6.0"
     defined "^1.0.0"
-    detective "^4.0.0"
+    detective "^5.2.0"
     duplexer2 "^0.1.2"
     inherits "^2.0.1"
     parents "^1.0.0"
     readable-stream "^2.0.2"
-    resolve "^1.1.3"
+    resolve "^1.4.0"
     stream-combiner2 "^1.1.1"
     subarg "^1.0.0"
     through2 "^2.0.0"
@@ -1102,6 +1305,26 @@ object-inspect@1.0.x:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.0.2.tgz#a97885b553e575eb4009ebc09bdda9b1cd21979a"
 
+object-inspect@^1.8.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.8.0.tgz#df807e5ecf53a609cc6bfe93eac3cc7be5b3a9d0"
+  integrity sha512-jLdtEOB112fORuypAyl/50VRVIBIdVQOSUUGQHzJ4xBSbit81zRarz7GThkEFZy1RceYrWYcPcBFPQwHyAc1gA==
+
+object-keys@^1.0.12, object-keys@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
+  integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
+
+object.assign@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.1.tgz#303867a666cdd41936ecdedfb1f8f3e32a478cdd"
+  integrity sha512-VT/cxmx5yaoHSOTSyrCygIDFco+RsibY2NM0a4RdEeY/4KgqezwFtK1yr3U67xYhqJSlASm2pKhLVzPj2lr4bA==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.18.0-next.0"
+    has-symbols "^1.0.1"
+    object-keys "^1.1.1"
+
 once@^1.3.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
@@ -1153,11 +1376,12 @@ parse-asn1@^5.0.0:
     evp_bytestokey "^1.0.0"
     pbkdf2 "^3.0.3"
 
-path-browserify@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
+path-browserify@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-1.0.1.tgz#d98454a9c3753d5790860f16f68867b9e46be1fd"
+  integrity sha512-b7uo2UCUOYZcnF/3ID0lulOJi/bafxa1xPe7ZPsammBSpjSWQkjNxlt635YGS2MiR9GjvuXCtz2emr3jbsz98g==
 
-path-is-absolute@^1.0.0:
+path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
@@ -1169,6 +1393,11 @@ path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
 
+path-parse@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
+
 path-platform@~0.11.15:
   version "0.11.15"
   resolved "https://registry.yarnpkg.com/path-platform/-/path-platform-0.11.15.tgz#e864217f74c36850f0852b78dc7bf7d4a5721bf2"
@@ -1267,7 +1496,7 @@ read-only-stream@^2.0.0:
   dependencies:
     readable-stream "^2.0.2"
 
-readable-stream@^2.0.2, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.6:
+readable-stream@^2.0.2, readable-stream@^2.1.5, readable-stream@^2.2.2:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
@@ -1279,16 +1508,14 @@ readable-stream@^2.0.2, readable-stream@^2.1.5, readable-stream@^2.2.2, readable
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
-readable-stream@~2.0.0:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
+readable-stream@^3.5.0, readable-stream@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.6.0.tgz#337bbda3adc0706bd3e024426a286d4b4b2c9198"
+  integrity sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==
   dependencies:
-    core-util-is "~1.0.0"
-    inherits "~2.0.1"
-    isarray "~1.0.0"
-    process-nextick-args "~1.0.6"
-    string_decoder "~0.10.x"
-    util-deprecate "~1.0.1"
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
 
 require-uncached@^1.0.3:
   version "1.0.3"
@@ -1301,16 +1528,20 @@ resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
 
-resolve@1.1.7:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
-
-resolve@^1.1.3, resolve@^1.1.4:
+resolve@^1.1.4:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.3.3.tgz#655907c3469a8680dc2de3a275a8fdd69691f0e5"
   dependencies:
     path-parse "^1.0.5"
 
+resolve@^1.17.0, resolve@^1.4.0:
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.18.1.tgz#018fcb2c5b207d2a6424aee361c5a266da8f4130"
+  integrity sha512-lDfCPaMKfOJXjy0dPayzPdF1phampNWr3qFCjAu+rw/qbQmr5jWH5xN2hwh9QKfw9E5v4hwV7A+jrCmL8yjjqA==
+  dependencies:
+    is-core-module "^2.0.0"
+    path-parse "^1.0.6"
+
 restore-cursor@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-2.0.0.tgz#9f7ee287f82fd326d4fd162923d62129eee0dfaf"
@@ -1351,22 +1582,27 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safe-buffer@^5.1.2, safe-buffer@~5.2.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
 semver@^5.3.0:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
-sha.js@^2.4.0, sha.js@^2.4.8, sha.js@~2.4.4:
+sha.js@^2.4.0, sha.js@^2.4.8:
   version "2.4.8"
   resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.8.tgz#37068c2c476b6baf402d14a49c67f597921f634f"
   dependencies:
     inherits "^2.0.1"
 
-shasum@^1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/shasum/-/shasum-1.0.2.tgz#e7012310d8f417f4deb5712150e5678b87ae565f"
+shasum-object@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/shasum-object/-/shasum-object-1.0.0.tgz#0b7b74ff5b66ecf9035475522fa05090ac47e29e"
+  integrity sha512-Iqo5rp/3xVi6M4YheapzZhhGPVs0yZwHj7wvwQ1B9z8H6zk+FEnI7y3Teq7qwnekfEhu8WmG2z0z4iWZaxLWVg==
   dependencies:
-    json-stable-stringify "~0.0.0"
-    sha.js "~2.4.4"
+    fast-safe-stringify "^2.0.7"
 
 shebang-command@^1.2.0:
   version "1.2.0"
@@ -1391,6 +1627,11 @@ signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
+simple-concat@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/simple-concat/-/simple-concat-1.0.1.tgz#f46976082ba35c2263f1c8ab5edfe26c41c9552f"
+  integrity sha512-cSFtAPtRhljv69IK0hTVZQ+OfE9nePi/rtJmw5UjHeVyVroEqJXP1sFztKUy1qU+xvz3u/sfYJLa947b7nAN2Q==
+
 slice-ansi@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-1.0.0.tgz#044f1a49d8842ff307aad6b505ed178bd950134d"
@@ -1415,12 +1656,13 @@ sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
 
-stream-browserify@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
+stream-browserify@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-3.0.0.tgz#22b0a2850cdf6503e73085da1fc7b7d0c2122f2f"
+  integrity sha512-H73RAHsVBapbim0tU2JwwOiXUj+fikfiaoYAKHF3VJfA0pe2BCzkhAHBlLG6REzE+2WNZcxOXjK7lkso+9euLA==
   dependencies:
-    inherits "~2.0.1"
-    readable-stream "^2.0.2"
+    inherits "~2.0.4"
+    readable-stream "^3.5.0"
 
 stream-combiner2@^1.1.1:
   version "1.1.1"
@@ -1429,15 +1671,15 @@ stream-combiner2@^1.1.1:
     duplexer2 "~0.1.0"
     readable-stream "^2.0.2"
 
-stream-http@^2.0.0:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.7.2.tgz#40a050ec8dc3b53b33d9909415c02c0bf1abfbad"
+stream-http@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-3.1.1.tgz#0370a8017cf8d050b9a8554afe608f043eaff564"
+  integrity sha512-S7OqaYu0EkFpgeGFb/NPOoPLxFko7TPqtEeFg5DXPB4v/KETHG0Ln6fRFrNezoelpaDKmycEmmZ81cC9DAwgYg==
   dependencies:
     builtin-status-codes "^3.0.0"
-    inherits "^2.0.1"
-    readable-stream "^2.2.6"
-    to-arraybuffer "^1.0.0"
-    xtend "^4.0.0"
+    inherits "^2.0.4"
+    readable-stream "^3.6.0"
+    xtend "^4.0.2"
 
 stream-splicer@^2.0.0:
   version "2.0.0"
@@ -1453,11 +1695,30 @@ string-width@^2.1.0, string-width@^2.1.1:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
-string_decoder@~0.10.x:
-  version "0.10.31"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+string.prototype.trimend@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.2.tgz#6ddd9a8796bc714b489a3ae22246a208f37bfa46"
+  integrity sha512-8oAG/hi14Z4nOVP0z6mdiVZ/wqjDtWSLygMigTzAb+7aPEDTleeFf+WrF+alzecxIRkckkJVn+dTlwzJXORATw==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.18.0-next.1"
+
+string.prototype.trimstart@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimstart/-/string.prototype.trimstart-1.0.2.tgz#22d45da81015309cd0cdd79787e8919fc5c613e7"
+  integrity sha512-7F6CdBTl5zyu30BJFdzSTlSlLPwODC23Od+iLoVH8X6+3fvDPPuBVVj9iaB1GOsSTSIgVfsfm27R2FGrAPznWg==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.18.0-next.1"
+
+string_decoder@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
+  integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
+  dependencies:
+    safe-buffer "~5.2.0"
 
-string_decoder@~1.0.0, string_decoder@~1.0.3:
+string_decoder@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
   dependencies:
@@ -1549,17 +1810,14 @@ tmp@^0.0.33:
   dependencies:
     os-tmpdir "~1.0.2"
 
-to-arraybuffer@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
-
 tryit@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/tryit/-/tryit-1.0.3.tgz#393be730a9446fd1ead6da59a014308f36c289cb"
 
-tty-browserify@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
+tty-browserify@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.1.tgz#3f05251ee17904dfd0677546670db9651682b811"
+  integrity sha512-C3TaO7K81YvjCgQH9Q1S3R3P3BtN3RIM8n+OvX4il1K1zgE8ZhI0op7kClgkxtutIE8hQrcrHBXvIheqKUUCxw==
 
 type-check@~0.3.2:
   version "0.3.2"
@@ -1571,7 +1829,7 @@ type-detect@0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-0.1.1.tgz#0ba5ec2a885640e470ea4e8505971900dac58822"
 
-typedarray@^0.0.6, typedarray@~0.0.5:
+typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
@@ -1579,6 +1837,17 @@ umd@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/umd/-/umd-3.0.1.tgz#8ae556e11011f63c2596708a8837259f01b3d60e"
 
+undeclared-identifiers@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/undeclared-identifiers/-/undeclared-identifiers-1.1.3.tgz#9254c1d37bdac0ac2b52de4b6722792d2a91e30f"
+  integrity sha512-pJOW4nxjlmfwKApE4zvxLScM/njmwj/DiUBv7EabwE4O8kRUy+HIwxQtZLBPll/jx1LJyBcqNfB3/cpv9EZwOw==
+  dependencies:
+    acorn-node "^1.3.0"
+    dash-ast "^1.0.0"
+    get-assigned-identifiers "^1.2.0"
+    simple-concat "^1.0.0"
+    xtend "^4.0.1"
+
 url@~0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"
@@ -1586,21 +1855,44 @@ url@~0.11.0:
     punycode "1.3.2"
     querystring "0.2.0"
 
-util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
-util@0.10.3, util@~0.10.1:
+util@0.10.3:
   version "0.10.3"
   resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
   dependencies:
     inherits "2.0.1"
 
-vm-browserify@~0.0.1:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-0.0.4.tgz#5d7ea45bbef9e4a6ff65f95438e0a87c357d5a73"
+util@~0.12.0:
+  version "0.12.3"
+  resolved "https://registry.yarnpkg.com/util/-/util-0.12.3.tgz#971bb0292d2cc0c892dab7c6a5d37c2bec707888"
+  integrity sha512-I8XkoQwE+fPQEhy9v012V+TSdH2kp9ts29i20TaaDUXsg7x/onePbhFJUExBfv/2ay1ZOp/Vsm3nDlmnFGSAog==
   dependencies:
-    indexof "0.0.1"
+    inherits "^2.0.3"
+    is-arguments "^1.0.4"
+    is-generator-function "^1.0.7"
+    is-typed-array "^1.1.3"
+    safe-buffer "^5.1.2"
+    which-typed-array "^1.1.2"
+
+vm-browserify@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-1.1.2.tgz#78641c488b8e6ca91a75f511e7a3b32a86e5dda0"
+  integrity sha512-2ham8XPWTONajOR0ohOKOHXkm3+gaBmGut3SRuu75xLd/RRaY6vqgh8NBYYk7+RW3u5AtzPQZG8F10LHkl0lAQ==
+
+which-typed-array@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/which-typed-array/-/which-typed-array-1.1.2.tgz#e5f98e56bda93e3dac196b01d47c1156679c00b2"
+  integrity sha512-KT6okrd1tE6JdZAy3o2VhMoYPh3+J6EMZLyrxBQsZflI1QCZIxMrIYLkosd8Twf+YfknVIHmYQPgJt238p8dnQ==
+  dependencies:
+    available-typed-arrays "^1.0.2"
+    es-abstract "^1.17.5"
+    foreach "^2.0.5"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.1"
+    is-typed-array "^1.1.3"
 
 which@^1.2.9:
   version "1.3.0"
@@ -1626,6 +1918,11 @@ xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
+xtend@^4.0.1, xtend@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
+  integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
+
 yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"