Add jsdom dependency

2 files changed, 674 insertions, 1 deletions

diff --git a/package-lock.json b/package-lock.json
index 505c71db..88ba43f6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,18 +24,48 @@
                 "js-tokens": "^4.0.0"
             }
         },
+        "abab": {
+            "version": "2.0.3",
+            "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.3.tgz",
+            "integrity": "sha512-tsFzPpcttalNjFBCFMqsKYQcWxxen1pgJR56by//QwvJc4/OUS3kPOOttx2tSIfjsylB0pYu7f5D3K1RCxUnUg==",
+            "dev": true
+        },
         "acorn": {
             "version": "7.1.0",
             "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
             "integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==",
             "dev": true
         },
+        "acorn-globals": {
+            "version": "4.3.4",
+            "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-4.3.4.tgz",
+            "integrity": "sha512-clfQEh21R+D0leSbUdWf3OcfqyaCSAQ8Ryq00bofSekfr9W8u1jyYZo6ir0xu9Gtcf7BjcHJpnbZH7JOCpP60A==",
+            "dev": true,
+            "requires": {
+                "acorn": "^6.0.1",
+                "acorn-walk": "^6.0.1"
+            },
+            "dependencies": {
+                "acorn": {
+                    "version": "6.4.0",
+                    "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.0.tgz",
+                    "integrity": "sha512-gac8OEcQ2Li1dxIEWGZzsp2BitJxwkwcOm0zHAJLcPJaVvm58FRnk6RkuLRpU1EujipU2ZFODv2P9DLMfnV8mw==",
+                    "dev": true
+                }
+            }
+        },
         "acorn-jsx": {
             "version": "5.1.0",
             "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.1.0.tgz",
             "integrity": "sha512-tMUqwBWfLFbJbizRmEcWSLw6HnFzfdJs2sOJEOwwtVPMoH/0Ay+E703oZz78VSXZiiDcZrQ5XKjPIUQixhmgVw==",
             "dev": true
         },
+        "acorn-walk": {
+            "version": "6.2.0",
+            "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.2.0.tgz",
+            "integrity": "sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==",
+            "dev": true
+        },
         "ajv": {
             "version": "6.11.0",
             "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.11.0.tgz",
@@ -81,12 +111,45 @@
                 "sprintf-js": "~1.0.2"
             }
         },
+        "asn1": {
+            "version": "0.2.4",
+            "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+            "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+            "dev": true,
+            "requires": {
+                "safer-buffer": "~2.1.0"
+            }
+        },
+        "assert-plus": {
+            "version": "1.0.0",
+            "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+            "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+            "dev": true
+        },
         "astral-regex": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
             "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
             "dev": true
         },
+        "asynckit": {
+            "version": "0.4.0",
+            "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+            "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
+            "dev": true
+        },
+        "aws-sign2": {
+            "version": "0.7.0",
+            "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+            "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
+            "dev": true
+        },
+        "aws4": {
+            "version": "1.9.1",
+            "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.9.1.tgz",
+            "integrity": "sha512-wMHVg2EOHaMRxbzgFJ9gtjOOCrI80OHLG14rxi28XwOW8ux6IiEbRCGGGqCtdAIg4FQCbW20k9RsT4y3gJlFug==",
+            "dev": true
+        },
         "balanced-match": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -99,6 +162,15 @@
             "integrity": "sha512-UCIPaDJrNNj5jG2ZL+nzJ7czvZV/ZYX6LaIRgfVU1k1edJOQg7dkbiSKzwHkNp6aHEHER/PhlFBrMYnlvJJQEw==",
             "dev": true
         },
+        "bcrypt-pbkdf": {
+            "version": "1.0.2",
+            "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+            "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
+            "dev": true,
+            "requires": {
+                "tweetnacl": "^0.14.3"
+            }
+        },
         "brace-expansion": {
             "version": "1.1.11",
             "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -109,12 +181,24 @@
                 "concat-map": "0.0.1"
             }
         },
+        "browser-process-hrtime": {
+            "version": "0.1.3",
+            "resolved": "https://registry.npmjs.org/browser-process-hrtime/-/browser-process-hrtime-0.1.3.tgz",
+            "integrity": "sha512-bRFnI4NnjO6cnyLmOV/7PVoDEMJChlcfN0z4s1YMBY989/SvlfMI1lgCnkFUs53e9gQF+w7qu7XdllSTiSl8Aw==",
+            "dev": true
+        },
         "callsites": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
             "integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==",
             "dev": true
         },
+        "caseless": {
+            "version": "0.12.0",
+            "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
+            "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
+            "dev": true
+        },
         "chalk": {
             "version": "2.4.2",
             "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -162,6 +246,15 @@
             "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
             "dev": true
         },
+        "combined-stream": {
+            "version": "1.0.8",
+            "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+            "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+            "dev": true,
+            "requires": {
+                "delayed-stream": "~1.0.0"
+            }
+        },
         "concat-map": {
             "version": "0.0.1",
             "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -174,6 +267,12 @@
             "integrity": "sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==",
             "dev": true
         },
+        "core-util-is": {
+            "version": "1.0.2",
+            "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+            "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+            "dev": true
+        },
         "cross-spawn": {
             "version": "6.0.5",
             "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -195,6 +294,77 @@
                 }
             }
         },
+        "cssom": {
+            "version": "0.4.4",
+            "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.4.4.tgz",
+            "integrity": "sha512-p3pvU7r1MyyqbTk+WbNJIgJjG2VmTIaB10rI93LzVPrmDJKkzKYMtxxyAvQXR/NS6otuzveI7+7BBq3SjBS2mw==",
+            "dev": true
+        },
+        "cssstyle": {
+            "version": "2.2.0",
+            "resolved": "https://registry.npmjs.org/cssstyle/-/cssstyle-2.2.0.tgz",
+            "integrity": "sha512-sEb3XFPx3jNnCAMtqrXPDeSgQr+jojtCeNf8cvMNMh1cG970+lljssvQDzPq6lmmJu2Vhqood/gtEomBiHOGnA==",
+            "dev": true,
+            "requires": {
+                "cssom": "~0.3.6"
+            },
+            "dependencies": {
+                "cssom": {
+                    "version": "0.3.8",
+                    "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.3.8.tgz",
+                    "integrity": "sha512-b0tGHbfegbhPJpxpiBPU2sCkigAqtM9O121le6bbOlgyV+NyGyCmVfJ6QW9eRjz8CpNfWEOYBIMIGRYkLwsIYg==",
+                    "dev": true
+                }
+            }
+        },
+        "dashdash": {
+            "version": "1.14.1",
+            "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
+            "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
+            "dev": true,
+            "requires": {
+                "assert-plus": "^1.0.0"
+            }
+        },
+        "data-urls": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/data-urls/-/data-urls-2.0.0.tgz",
+            "integrity": "sha512-X5eWTSXO/BJmpdIKCRuKUgSCgAN0OwliVK3yPKbwIWU1Tdw5BRajxlzMidvh+gwko9AfQ9zIj52pzF91Q3YAvQ==",
+            "dev": true,
+            "requires": {
+                "abab": "^2.0.3",
+                "whatwg-mimetype": "^2.3.0",
+                "whatwg-url": "^8.0.0"
+            },
+            "dependencies": {
+                "tr46": {
+                    "version": "2.0.2",
+                    "resolved": "https://registry.npmjs.org/tr46/-/tr46-2.0.2.tgz",
+                    "integrity": "sha512-3n1qG+/5kg+jrbTzwAykB5yRYtQCTqOGKq5U5PE3b0a1/mzo6snDhjGS0zJVJunO0NrT3Dg1MLy5TjWP/UJppg==",
+                    "dev": true,
+                    "requires": {
+                        "punycode": "^2.1.1"
+                    }
+                },
+                "webidl-conversions": {
+                    "version": "5.0.0",
+                    "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-5.0.0.tgz",
+                    "integrity": "sha512-VlZwKPCkYKxQgeSbH5EyngOmRp7Ww7I9rQLERETtf5ofd9pGeswWiOtogpEO850jziPRarreGxn5QIiTqpb2wA==",
+                    "dev": true
+                },
+                "whatwg-url": {
+                    "version": "8.0.0",
+                    "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-8.0.0.tgz",
+                    "integrity": "sha512-41ou2Dugpij8/LPO5Pq64K5q++MnRCBpEHvQr26/mArEKTkCV5aoXIqyhuYtE0pkqScXwhf2JP57rkRTYM29lQ==",
+                    "dev": true,
+                    "requires": {
+                        "lodash.sortby": "^4.7.0",
+                        "tr46": "^2.0.0",
+                        "webidl-conversions": "^5.0.0"
+                    }
+                }
+            }
+        },
         "debug": {
             "version": "4.1.1",
             "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
@@ -204,12 +374,24 @@
                 "ms": "^2.1.1"
             }
         },
+        "decimal.js": {
+            "version": "10.2.0",
+            "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.2.0.tgz",
+            "integrity": "sha512-vDPw+rDgn3bZe1+F/pyEwb1oMG2XTlRVgAa6B4KccTEpYgF8w6eQllVbQcfIJnZyvzFtFpxnpGtx8dd7DJp/Rw==",
+            "dev": true
+        },
         "deep-is": {
             "version": "0.1.3",
             "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
             "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
             "dev": true
         },
+        "delayed-stream": {
+            "version": "1.0.0",
+            "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+            "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+            "dev": true
+        },
         "doctrine": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
@@ -228,6 +410,16 @@
                 "webidl-conversions": "^4.0.2"
             }
         },
+        "ecc-jsbn": {
+            "version": "0.1.2",
+            "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
+            "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
+            "dev": true,
+            "requires": {
+                "jsbn": "~0.1.0",
+                "safer-buffer": "^2.1.0"
+            }
+        },
         "emoji-regex": {
             "version": "8.0.0",
             "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
@@ -240,6 +432,19 @@
             "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
             "dev": true
         },
+        "escodegen": {
+            "version": "1.14.1",
+            "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-1.14.1.tgz",
+            "integrity": "sha512-Bmt7NcRySdIfNPfU2ZoXDrrXsG9ZjvDxcAlMfDUgRBjLOWTuIACXPBFJH7Z+cLb40JeQco5toikyc9t9P8E9SQ==",
+            "dev": true,
+            "requires": {
+                "esprima": "^4.0.1",
+                "estraverse": "^4.2.0",
+                "esutils": "^2.0.2",
+                "optionator": "^0.8.1",
+                "source-map": "~0.6.1"
+            }
+        },
         "eslint": {
             "version": "6.8.0",
             "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.8.0.tgz",
@@ -363,6 +568,12 @@
             "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==",
             "dev": true
         },
+        "extend": {
+            "version": "3.0.2",
+            "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+            "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
+            "dev": true
+        },
         "external-editor": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.1.0.tgz",
@@ -374,6 +585,12 @@
                 "tmp": "^0.0.33"
             }
         },
+        "extsprintf": {
+            "version": "1.3.0",
+            "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
+            "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
+            "dev": true
+        },
         "fake-indexeddb": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/fake-indexeddb/-/fake-indexeddb-3.0.0.tgz",
@@ -437,6 +654,23 @@
             "integrity": "sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==",
             "dev": true
         },
+        "forever-agent": {
+            "version": "0.6.1",
+            "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
+            "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
+            "dev": true
+        },
+        "form-data": {
+            "version": "2.3.3",
+            "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
+            "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
+            "dev": true,
+            "requires": {
+                "asynckit": "^0.4.0",
+                "combined-stream": "^1.0.6",
+                "mime-types": "^2.1.12"
+            }
+        },
         "fs.realpath": {
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -449,6 +683,15 @@
             "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=",
             "dev": true
         },
+        "getpass": {
+            "version": "0.1.7",
+            "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
+            "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
+            "dev": true,
+            "requires": {
+                "assert-plus": "^1.0.0"
+            }
+        },
         "glob": {
             "version": "7.1.6",
             "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
@@ -481,12 +724,48 @@
                 "type-fest": "^0.8.1"
             }
         },
+        "har-schema": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
+            "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=",
+            "dev": true
+        },
+        "har-validator": {
+            "version": "5.1.3",
+            "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
+            "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
+            "dev": true,
+            "requires": {
+                "ajv": "^6.5.5",
+                "har-schema": "^2.0.0"
+            }
+        },
         "has-flag": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
             "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
             "dev": true
         },
+        "html-encoding-sniffer": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-2.0.0.tgz",
+            "integrity": "sha512-Y9prnPKkM7FXxQevZ5UH8Z6aVTY0ede1tHquck5UxGmKWDshxXh95gSa2xXYjS8AsGO5iOvrCI5+GttRKnLdNA==",
+            "dev": true,
+            "requires": {
+                "whatwg-encoding": "^1.0.5"
+            }
+        },
+        "http-signature": {
+            "version": "1.2.0",
+            "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
+            "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
+            "dev": true,
+            "requires": {
+                "assert-plus": "^1.0.0",
+                "jsprim": "^1.2.2",
+                "sshpk": "^1.7.0"
+            }
+        },
         "iconv-lite": {
             "version": "0.4.24",
             "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -555,6 +834,12 @@
                 "through": "^2.3.6"
             }
         },
+        "ip-regex": {
+            "version": "2.1.0",
+            "resolved": "https://registry.npmjs.org/ip-regex/-/ip-regex-2.1.0.tgz",
+            "integrity": "sha1-+ni/XS5pE8kRzp+BnuUUa7bYROk=",
+            "dev": true
+        },
         "is-extglob": {
             "version": "2.1.1",
             "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
@@ -576,18 +861,36 @@
                 "is-extglob": "^2.1.1"
             }
         },
+        "is-potential-custom-element-name": {
+            "version": "1.0.0",
+            "resolved": "https://registry.npmjs.org/is-potential-custom-element-name/-/is-potential-custom-element-name-1.0.0.tgz",
+            "integrity": "sha1-DFLlS8yjkbssSUsh6GJtczbG45c=",
+            "dev": true
+        },
         "is-promise": {
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+            "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+            "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
+            "dev": true
+        },
         "v8-compile-cache": {
             "version": "2.1.0",
             "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz",
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             "dev": true
         },
+        "verror": {
+            "version": "1.10.0",
+            "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+            "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+            "dev": true,
+            "requires": {
+                "assert-plus": "^1.0.0",
+                "core-util-is": "1.0.2",
+                "extsprintf": "^1.2.0"
+            }
+        },
+        "w3c-hr-time": {
+            "version": "1.0.1",
+            "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.1.tgz",
+            "integrity": "sha1-gqwr/2PZUOqeMYmlimViX+3xkEU=",
+            "dev": true,
+            "requires": {
+                "browser-process-hrtime": "^0.1.2"
+            }
+        },
+        "w3c-xmlserializer": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-2.0.0.tgz",
+            "integrity": "sha512-4tzD0mF8iSiMiNs30BiLO3EpfGLZUT2MSX/G+o7ZywDzliWQ3OPtTZ0PTC3B3ca1UAf4cJMHB+2Bf56EriJuRA==",
+            "dev": true,
+            "requires": {
+                "xml-name-validator": "^3.0.0"
+            }
+        },
         "webidl-conversions": {
             "version": "4.0.2",
             "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
             "integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==",
             "dev": true
         },
+        "whatwg-encoding": {
+            "version": "1.0.5",
+            "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz",
+            "integrity": "sha512-b5lim54JOPN9HtzvK9HFXvBma/rnfFeqsic0hSpjtDbVxR3dJKLc+KB4V6GgiGOvl7CY/KNh8rxSo9DKQrnUEw==",
+            "dev": true,
+            "requires": {
+                "iconv-lite": "0.4.24"
+            }
+        },
+        "whatwg-mimetype": {
+            "version": "2.3.0",
+            "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz",
+            "integrity": "sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g==",
+            "dev": true
+        },
         "whatwg-url": {
             "version": "7.1.0",
             "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-7.1.0.tgz",
@@ -1114,6 +1768,24 @@
             "requires": {
                 "mkdirp": "^0.5.1"
             }
+        },
+        "ws": {
+            "version": "7.2.1",
+            "resolved": "https://registry.npmjs.org/ws/-/ws-7.2.1.tgz",
+            "integrity": "sha512-sucePNSafamSKoOqoNfBd8V0StlkzJKL2ZAhGQinCfNQ+oacw+Pk7lcdAElecBF2VkLNZRiIb5Oi1Q5lVUVt2A==",
+            "dev": true
+        },
+        "xml-name-validator": {
+            "version": "3.0.0",
+            "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
+            "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==",
+            "dev": true
+        },
+        "xmlchars": {
+            "version": "2.2.0",
+            "resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz",
+            "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
+            "dev": true
         }
     }
 }
diff --git a/package.json b/package.json
index 2bbc6a79..a6994eb3 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "devDependencies": {
         "eslint": "^6.8.0",
         "eslint-plugin-no-unsanitized": "^3.0.2",
-        "fake-indexeddb": "^3.0.0"
+        "fake-indexeddb": "^3.0.0",
+        "jsdom": "^16.2.0"
     }
 }