diff --git a/.travis.yml b/.travis.yml
index 95c031416..eb16aab3b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,11 @@
 before_install:
   - npm install --global npm@latest
 
+# Prevent Travis from running `npm ci` by default, which has trouble with
+# file: dependencies.
+install:
+  - npm install
+
 language: node_js
 node_js:
   - "10"
diff --git a/package-lock.json b/package-lock.json
index 928fcddc5..f71cdac74 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,34 +13,34 @@
       }
     },
     "@babel/core": {
-      "version": "7.1.6",
-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.1.6.tgz",
-      "integrity": "sha512-Hz6PJT6e44iUNpAn8AoyAs6B3bl60g7MJQaI0rZEar6ECzh6+srYO1xlIdssio34mPaUtAb1y+XlkkSJzok3yw==",
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.3.4.tgz",
+      "integrity": "sha512-jRsuseXBo9pN197KnDwhhaaBzyZr2oIcLHHTt2oDdQrej5Qp57dCCJafWx5ivU8/alEYDpssYqv1MUqcxwQlrA==",
       "requires": {
         "@babel/code-frame": "^7.0.0",
-        "@babel/generator": "^7.1.6",
-        "@babel/helpers": "^7.1.5",
-        "@babel/parser": "^7.1.6",
-        "@babel/template": "^7.1.2",
-        "@babel/traverse": "^7.1.6",
-        "@babel/types": "^7.1.6",
+        "@babel/generator": "^7.3.4",
+        "@babel/helpers": "^7.2.0",
+        "@babel/parser": "^7.3.4",
+        "@babel/template": "^7.2.2",
+        "@babel/traverse": "^7.3.4",
+        "@babel/types": "^7.3.4",
         "convert-source-map": "^1.1.0",
         "debug": "^4.1.0",
         "json5": "^2.1.0",
-        "lodash": "^4.17.10",
+        "lodash": "^4.17.11",
         "resolve": "^1.3.2",
         "semver": "^5.4.1",
         "source-map": "^0.5.0"
       }
     },
     "@babel/generator": {
-      "version": "7.1.6",
-      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.1.6.tgz",
-      "integrity": "sha512-brwPBtVvdYdGxtenbQgfCdDPmtkmUBZPjUoK5SXJEBuHaA5BCubh9ly65fzXz7R6o5rA76Rs22ES8Z+HCc0YIQ==",
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.3.4.tgz",
+      "integrity": "sha512-8EXhHRFqlVVWXPezBW5keTiQi/rJMQTg/Y9uVCEZ0CAF3PKtCCaVRnp64Ii1ujhkoDhhF1fVsImoN4yJ2uz4Wg==",
       "requires": {
-        "@babel/types": "^7.1.6",
+        "@babel/types": "^7.3.4",
         "jsesc": "^2.5.1",
-        "lodash": "^4.17.10",
+        "lodash": "^4.17.11",
         "source-map": "^0.5.0",
         "trim-right": "^1.0.1"
       }
@@ -123,14 +123,14 @@
       "integrity": "sha512-CYAOUCARwExnEixLdB6sDm2dIJ/YgEAKDM1MOeMeZu9Ld/bDgVo8aiWrXwcY7OBh+1Ea2uUcVRcxKk0GJvW7QA=="
     },
     "@babel/helper-replace-supers": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/@babel/helper-replace-supers/-/helper-replace-supers-7.1.0.tgz",
-      "integrity": "sha512-BvcDWYZRWVuDeXTYZWxekQNO5D4kO55aArwZOTFXw6rlLQA8ZaDicJR1sO47h+HrnCiDFiww0fSPV0d713KBGQ==",
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-replace-supers/-/helper-replace-supers-7.3.4.tgz",
+      "integrity": "sha512-pvObL9WVf2ADs+ePg0jrqlhHoxRXlOa+SHRHzAXIz2xkYuOHfGl+fKxPMaS4Fq+uje8JQPobnertBBvyrWnQ1A==",
       "requires": {
         "@babel/helper-member-expression-to-functions": "^7.0.0",
         "@babel/helper-optimise-call-expression": "^7.0.0",
-        "@babel/traverse": "^7.1.0",
-        "@babel/types": "^7.0.0"
+        "@babel/traverse": "^7.3.4",
+        "@babel/types": "^7.3.4"
       }
     },
     "@babel/helper-split-export-declaration": {
@@ -142,24 +142,24 @@
       }
     },
     "@babel/helper-wrap-function": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/@babel/helper-wrap-function/-/helper-wrap-function-7.1.0.tgz",
-      "integrity": "sha512-R6HU3dete+rwsdAfrOzTlE9Mcpk4RjU3aX3gi9grtmugQY0u79X7eogUvfXA5sI81Mfq1cn6AgxihfN33STjJA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-wrap-function/-/helper-wrap-function-7.2.0.tgz",
+      "integrity": "sha512-o9fP1BZLLSrYlxYEYyl2aS+Flun5gtjTIG8iln+XuEzQTs0PLagAGSXUcqruJwD5fM48jzIEggCKpIfWTcR7pQ==",
       "requires": {
         "@babel/helper-function-name": "^7.1.0",
         "@babel/template": "^7.1.0",
         "@babel/traverse": "^7.1.0",
-        "@babel/types": "^7.0.0"
+        "@babel/types": "^7.2.0"
       }
     },
     "@babel/helpers": {
-      "version": "7.1.5",
-      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.1.5.tgz",
-      "integrity": "sha512-2jkcdL02ywNBry1YNFAH/fViq4fXG0vdckHqeJk+75fpQ2OH+Az6076tX/M0835zA45E0Cqa6pV5Kiv9YOqjEg==",
+      "version": "7.3.1",
+      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.3.1.tgz",
+      "integrity": "sha512-Q82R3jKsVpUV99mgX50gOPCWwco9Ec5Iln/8Vyu4osNIOQgSrd9RFrQeUvmvddFNoLwMyOUWU+5ckioEKpDoGA==",
       "requires": {
         "@babel/template": "^7.1.2",
         "@babel/traverse": "^7.1.5",
-        "@babel/types": "^7.1.5"
+        "@babel/types": "^7.3.0"
       }
     },
     "@babel/highlight": {
@@ -173,80 +173,80 @@
       }
     },
     "@babel/parser": {
-      "version": "7.1.6",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.1.6.tgz",
-      "integrity": "sha512-dWP6LJm9nKT6ALaa+bnL247GHHMWir3vSlZ2+IHgHgktZQx0L3Uvq2uAWcuzIe+fujRsYWBW2q622C5UvGK9iQ=="
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.3.4.tgz",
+      "integrity": "sha512-tXZCqWtlOOP4wgCp6RjRvLmfuhnqTLy9VHwRochJBCP2nDm27JnnuFEnXFASVyQNHk36jD1tAammsCEEqgscIQ=="
     },
     "@babel/plugin-proposal-function-sent": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-function-sent/-/plugin-proposal-function-sent-7.1.0.tgz",
-      "integrity": "sha512-yciM4dketj0pjd1enirzfVWclzSCzjOljHx8E4DJUBq/q65CuaKsX2zhpdImzcn6TtFupzdcuchbqN00IEKDAA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-function-sent/-/plugin-proposal-function-sent-7.2.0.tgz",
+      "integrity": "sha512-qQBDKRSCu1wGJi3jbngs18vrujVQA4F+OkSuIQYRhE6y19jcPzeEIGOc683mCQXDUR3BQCz8JyCupIwv+IRFmA==",
       "requires": {
         "@babel/helper-plugin-utils": "^7.0.0",
-        "@babel/helper-wrap-function": "^7.1.0",
-        "@babel/plugin-syntax-function-sent": "^7.0.0"
+        "@babel/helper-wrap-function": "^7.2.0",
+        "@babel/plugin-syntax-function-sent": "^7.2.0"
       }
     },
     "@babel/plugin-syntax-async-generators": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-async-generators/-/plugin-syntax-async-generators-7.0.0.tgz",
-      "integrity": "sha512-im7ged00ddGKAjcZgewXmp1vxSZQQywuQXe2B1A7kajjZmDeY/ekMPmWr9zJgveSaQH0k7BcGrojQhcK06l0zA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-async-generators/-/plugin-syntax-async-generators-7.2.0.tgz",
+      "integrity": "sha512-1ZrIRBv2t0GSlcwVoQ6VgSLpLgiN/FVQUzt9znxo7v2Ov4jJrs8RY8tv0wvDmFN3qIdMKWrmMMW6yZ0G19MfGg==",
       "requires": {
         "@babel/helper-plugin-utils": "^7.0.0"
       }
     },
     "@babel/plugin-syntax-function-sent": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-function-sent/-/plugin-syntax-function-sent-7.0.0.tgz",
-      "integrity": "sha512-j+D8C+clbieA+1UFlRzMkVozWNLB94TCJsUUE7OCyKBRM329ZZXnFPjgm0em5ddLsKV9DNpdtaOZsNZ1J7gHyA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-function-sent/-/plugin-syntax-function-sent-7.2.0.tgz",
+      "integrity": "sha512-2MOVuJ6IMAifp2cf0RFkHQaOvHpbBYyWCvgtF/WVqXhTd7Bgtov8iXVCadLXp2FN1BrI2EFl+JXuwXy0qr3KoQ==",
       "requires": {
         "@babel/helper-plugin-utils": "^7.0.0"
       }
     },
     "@babel/plugin-transform-arrow-functions": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.0.0.tgz",
-      "integrity": "sha512-2EZDBl1WIO/q4DIkIp4s86sdp4ZifL51MoIviLY/gG/mLSuOIEg7J8o6mhbxOTvUJkaN50n+8u41FVsr5KLy/w==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.2.0.tgz",
+      "integrity": "sha512-ER77Cax1+8/8jCB9fo4Ud161OZzWN5qawi4GusDuRLcDbDG+bIGYY20zb2dfAFdTRGzrfq2xZPvF0R64EHnimg==",
       "requires": {
         "@babel/helper-plugin-utils": "^7.0.0"
       }
     },
     "@babel/plugin-transform-block-scoping": {
-      "version": "7.1.5",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.1.5.tgz",
-      "integrity": "sha512-jlYcDrz+5ayWC7mxgpn1Wj8zj0mmjCT2w0mPIMSwO926eXBRxpEgoN/uQVRBfjtr8ayjcmS+xk2G1jaP8JjMJQ==",
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.3.4.tgz",
+      "integrity": "sha512-blRr2O8IOZLAOJklXLV4WhcEzpYafYQKSGT3+R26lWG41u/FODJuBggehtOwilVAcFu393v3OFj+HmaE6tVjhA==",
       "requires": {
         "@babel/helper-plugin-utils": "^7.0.0",
-        "lodash": "^4.17.10"
+        "lodash": "^4.17.11"
       }
     },
     "@babel/plugin-transform-classes": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-classes/-/plugin-transform-classes-7.1.0.tgz",
-      "integrity": "sha512-rNaqoD+4OCBZjM7VaskladgqnZ1LO6o2UxuWSDzljzW21pN1KXkB7BstAVweZdxQkHAujps5QMNOTWesBciKFg==",
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-classes/-/plugin-transform-classes-7.3.4.tgz",
+      "integrity": "sha512-J9fAvCFBkXEvBimgYxCjvaVDzL6thk0j0dBvCeZmIUDBwyt+nv6HfbImsSrWsYXfDNDivyANgJlFXDUWRTZBuA==",
       "requires": {
         "@babel/helper-annotate-as-pure": "^7.0.0",
         "@babel/helper-define-map": "^7.1.0",
         "@babel/helper-function-name": "^7.1.0",
         "@babel/helper-optimise-call-expression": "^7.0.0",
         "@babel/helper-plugin-utils": "^7.0.0",
-        "@babel/helper-replace-supers": "^7.1.0",
+        "@babel/helper-replace-supers": "^7.3.4",
         "@babel/helper-split-export-declaration": "^7.0.0",
         "globals": "^11.1.0"
       }
     },
     "@babel/plugin-transform-for-of": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.0.0.tgz",
-      "integrity": "sha512-TlxKecN20X2tt2UEr2LNE6aqA0oPeMT1Y3cgz8k4Dn1j5ObT8M3nl9aA37LLklx0PBZKETC9ZAf9n/6SujTuXA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-for-of/-/plugin-transform-for-of-7.2.0.tgz",
+      "integrity": "sha512-Kz7Mt0SsV2tQk6jG5bBv5phVbkd0gd27SgYD4hH1aLMJRchM0dzHaXvrWhVZ+WxAlDoAKZ7Uy3jVTW2mKXQ1WQ==",
       "requires": {
         "@babel/helper-plugin-utils": "^7.0.0"
       }
     },
     "@babel/plugin-transform-parameters": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.1.0.tgz",
-      "integrity": "sha512-vHV7oxkEJ8IHxTfRr3hNGzV446GAb+0hgbA7o/0Jd76s+YzccdWuTU296FOCOl/xweU4t/Ya4g41yWz80RFCRw==",
+      "version": "7.3.3",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.3.3.tgz",
+      "integrity": "sha512-IrIP25VvXWu/VlBWTpsjGptpomtIkYrN/3aDp4UKm7xK6UxZY88kcJ1UwETbzHAlwN21MnNfwlar0u8y3KpiXw==",
       "dev": true,
       "requires": {
         "@babel/helper-call-delegate": "^7.1.0",
@@ -255,18 +255,18 @@
       }
     },
     "@babel/plugin-transform-spread": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-spread/-/plugin-transform-spread-7.0.0.tgz",
-      "integrity": "sha512-L702YFy2EvirrR4shTj0g2xQp7aNwZoWNCkNu2mcoU0uyzMl0XRwDSwzB/xp6DSUFiBmEXuyAyEN16LsgVqGGQ==",
+      "version": "7.2.2",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-transform-spread/-/plugin-transform-spread-7.2.2.tgz",
+      "integrity": "sha512-KWfky/58vubwtS0hLqEnrWJjsMGaOeSBn90Ezn5Jeg9Z8KKHmELbP1yGylMlm5N6TPKeY9A2+UaSYLdxahg01w==",
       "dev": true,
       "requires": {
         "@babel/helper-plugin-utils": "^7.0.0"
       }
     },
     "@babel/runtime": {
-      "version": "7.1.5",
-      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.1.5.tgz",
-      "integrity": "sha512-xKnPpXG/pvK1B90JkwwxSGii90rQGKtzcMt2gI5G6+M0REXaq6rOHsGC2ay6/d0Uje7zzvSzjEzfR3ENhFlrfA==",
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.3.4.tgz",
+      "integrity": "sha512-IvfvnMdSaLBateu0jfsYIpZTxAc2cKEXEMiezGGN75QcBcecDUKd3PgLAncT0oOgxKy8dd8hrJKj9MfzgfZd6g==",
       "requires": {
         "regenerator-runtime": "^0.12.0"
       },
@@ -279,38 +279,38 @@
       }
     },
     "@babel/template": {
-      "version": "7.1.2",
-      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.1.2.tgz",
-      "integrity": "sha512-SY1MmplssORfFiLDcOETrW7fCLl+PavlwMh92rrGcikQaRq4iWPVH0MpwPpY3etVMx6RnDjXtr6VZYr/IbP/Ag==",
+      "version": "7.2.2",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.2.2.tgz",
+      "integrity": "sha512-zRL0IMM02AUDwghf5LMSSDEz7sBCO2YnNmpg3uWTZj/v1rcG2BmQUvaGU8GhU8BvfMh1k2KIAYZ7Ji9KXPUg7g==",
       "requires": {
         "@babel/code-frame": "^7.0.0",
-        "@babel/parser": "^7.1.2",
-        "@babel/types": "^7.1.2"
+        "@babel/parser": "^7.2.2",
+        "@babel/types": "^7.2.2"
       }
     },
     "@babel/traverse": {
-      "version": "7.1.6",
-      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.1.6.tgz",
-      "integrity": "sha512-CXedit6GpISz3sC2k2FsGCUpOhUqKdyL0lqNrImQojagnUMXf8hex4AxYFRuMkNGcvJX5QAFGzB5WJQmSv8SiQ==",
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.3.4.tgz",
+      "integrity": "sha512-TvTHKp6471OYEcE/91uWmhR6PrrYywQntCHSaZ8CM8Vmp+pjAusal4nGB2WCCQd0rvI7nOMKn9GnbcvTUz3/ZQ==",
       "requires": {
         "@babel/code-frame": "^7.0.0",
-        "@babel/generator": "^7.1.6",
+        "@babel/generator": "^7.3.4",
         "@babel/helper-function-name": "^7.1.0",
         "@babel/helper-split-export-declaration": "^7.0.0",
-        "@babel/parser": "^7.1.6",
-        "@babel/types": "^7.1.6",
+        "@babel/parser": "^7.3.4",
+        "@babel/types": "^7.3.4",
         "debug": "^4.1.0",
         "globals": "^11.1.0",
-        "lodash": "^4.17.10"
+        "lodash": "^4.17.11"
       }
     },
     "@babel/types": {
-      "version": "7.1.6",
-      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.1.6.tgz",
-      "integrity": "sha512-DMiUzlY9DSjVsOylJssxLHSgj6tWM9PRFJOGW/RaOglVOK9nzTxoOMfTfRQXGUCUQ/HmlG2efwC+XqUEJ5ay4w==",
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.3.4.tgz",
+      "integrity": "sha512-WEkp8MsLftM7O/ty580wAmZzN1nDmCACc5+jFzUt+GUFNNIi3LdRlueYz0YIlmJhlZx1QYDMZL5vdWCL0fNjFQ==",
       "requires": {
         "esutils": "^2.0.2",
-        "lodash": "^4.17.10",
+        "lodash": "^4.17.11",
         "to-fast-properties": "^2.0.0"
       }
     },
@@ -348,9 +348,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "6.0.4",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.0.4.tgz",
-          "integrity": "sha512-VY4i5EKSKkofY2I+6QLTbTTN/UvEQPCo6eiwzzSaSWfpaDhOmStMCMod6wmuPciNq+XS0faCglFu2lHZpdHUtg==",
+          "version": "6.1.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
+          "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
           "dev": true
         }
       }
@@ -421,7 +421,7 @@
         },
         "util": {
           "version": "0.10.3",
-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "dev": true,
           "requires": {
@@ -584,7 +584,7 @@
     },
     "browserify-aes": {
       "version": "1.2.0",
-      "resolved": "http://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
       "integrity": "sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==",
       "dev": true,
       "requires": {
@@ -621,7 +621,7 @@
     },
     "browserify-rsa": {
       "version": "4.0.1",
-      "resolved": "http://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz",
       "integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
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diff --git a/packages/regenerator-runtime/package.json b/packages/regenerator-runtime/package.json
index 20caa0406..b9702819d 100644
--- a/packages/regenerator-runtime/package.json
+++ b/packages/regenerator-runtime/package.json
@@ -10,6 +10,7 @@
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   "repository": {
     "type": "git",
     "url": "https://github.com/facebook/regenerator/tree/master/packages/regenerator-runtime"
diff --git a/packages/regenerator-runtime/runtime.js b/packages/regenerator-runtime/runtime.js
index 9cec7aec6..92d18150d 100644
--- a/packages/regenerator-runtime/runtime.js
+++ b/packages/regenerator-runtime/runtime.js
@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-var regeneratorRuntime = (function (exports) {
+var runtime = (function (exports) {
   "use strict";
 
   var Op = Object.prototype;
@@ -709,3 +709,18 @@ var regeneratorRuntime = (function (exports) {
   // the regeneratorRuntime variable at the top of this file.
   typeof module === "object" ? module.exports : {}
 ));
+
+try {
+  regeneratorRuntime = runtime;
+} catch (accidentalStrictMode) {
+  // This module should not be running in strict mode, so the above
+  // assignment should always work unless something is misconfigured. Just
+  // in case runtime.js accidentally runs in strict mode, we can escape
+  // strict mode using a global Function call. This could conceivably fail
+  // if a Content Security Policy forbids using Function, but in that case
+  // the proper solution is to fix the accidental strict mode problem. If
+  // you've misconfigured your bundler to force strict mode and applied a
+  // CSP to forbid Function, and you're not willing to fix either of those
+  // problems, please detail your unique predicament in a GitHub issue.
+  Function("r", "regeneratorRuntime = r")(runtime);
+}
diff --git a/test/run.sh b/test/run.sh
index ba4faaa22..e0c3553f3 100755
--- a/test/run.sh
+++ b/test/run.sh
@@ -6,8 +6,7 @@ set -u
 cd $(dirname $0)/..
 ROOT_DIR=$(pwd)
 
-# Fresh install from package-lock.json.
-npm ci
+npm install
 
 install() {
     npm install ./packages/$1
diff --git a/test/runtime.js b/test/runtime.js
index b4fabe81a..b77488f39 100644
--- a/test/runtime.js
+++ b/test/runtime.js
@@ -5,4 +5,4 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-global.regeneratorRuntime = require("regenerator-runtime");
+require("regenerator-runtime");