Remove use of dev-server since dev-tools now work for file:// URLs

5 files changed, 10 insertions, 461 deletions

diff --git a/gui/package-lock.json b/gui/package-lock.json
index 57b3abea54..b6e09dc79b 100644
--- a/gui/package-lock.json
+++ b/gui/package-lock.json
@@ -73,7 +73,6 @@
         "prettier": "^2.2.1",
         "semver": "^7.3.2",
         "sinon": "^7.1.1",
-        "spa-server": "^1.0.0",
         "ts-node": "^10.0.0",
         "tsc-watch": "^4.2.9",
         "typescript": "^4.3.2",
@@ -3451,21 +3450,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/connect": {
-      "version": "3.6.6",
-      "resolved": "https://registry.npmjs.org/connect/-/connect-3.6.6.tgz",
-      "integrity": "sha1-Ce/2xVr3I24TcTWnJXSFi2eG9SQ=",
-      "dev": true,
-      "dependencies": {
-        "debug": "2.6.9",
-        "finalhandler": "1.1.0",
-        "parseurl": "~1.3.2",
-        "utils-merge": "1.0.1"
-      },
-      "engines": {
-        "node": ">= 0.10.0"
-      }
-    },
     "node_modules/console-browserify": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.2.0.tgz",
@@ -4028,15 +4012,6 @@
       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
       "optional": true
     },
-    "node_modules/depd": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
-      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/deps-sort": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/deps-sort/-/deps-sort-2.0.1.tgz",
@@ -4062,12 +4037,6 @@
         "minimalistic-assert": "^1.0.0"
       }
     },
-    "node_modules/destroy": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
-      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
-      "dev": true
-    },
     "node_modules/detect-file": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/detect-file/-/detect-file-1.0.0.tgz",
@@ -4398,12 +4367,6 @@
         "object.defaults": "^1.1.0"
       }
     },
-    "node_modules/ee-first": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
-      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
-      "dev": true
-    },
     "node_modules/ejs": {
       "version": "3.1.6",
       "resolved": "https://registry.npmjs.org/ejs/-/ejs-3.1.6.tgz",
@@ -4999,6 +4962,7 @@
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
       "dev": true,
+      "optional": true,
       "engines": {
         "node": ">= 0.8"
       }
@@ -5186,12 +5150,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/escape-html": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
-      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=",
-      "dev": true
-    },
     "node_modules/escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -5673,15 +5631,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/etag": {
-      "version": "1.8.1",
-      "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
-      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/event-emitter": {
       "version": "0.3.5",
       "resolved": "https://registry.npmjs.org/event-emitter/-/event-emitter-0.3.5.tgz",
@@ -6160,24 +6109,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/finalhandler": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.0.tgz",
-      "integrity": "sha1-zgtoVbRYU+eRsvzGgARtiCU91/U=",
-      "dev": true,
-      "dependencies": {
-        "debug": "2.6.9",
-        "encodeurl": "~1.0.1",
-        "escape-html": "~1.0.3",
-        "on-finished": "~2.3.0",
-        "parseurl": "~1.3.2",
-        "statuses": "~1.3.1",
-        "unpipe": "~1.0.0"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/find-up": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
@@ -6323,15 +6254,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/fresh": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
-      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/from": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
@@ -8821,15 +8743,6 @@
       "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==",
       "dev": true
     },
-    "node_modules/mime": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/mime/-/mime-1.4.1.tgz",
-      "integrity": "sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==",
-      "dev": true,
-      "bin": {
-        "mime": "cli.js"
-      }
-    },
     "node_modules/mimic-response": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-1.0.1.tgz",
@@ -10000,18 +9913,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/on-finished": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
-      "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
-      "dev": true,
-      "dependencies": {
-        "ee-first": "1.1.1"
-      },
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -10219,15 +10120,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/parseurl": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
-      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/pascalcase": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz",
@@ -10719,15 +10611,6 @@
         "safe-buffer": "^5.1.0"
       }
     },
-    "node_modules/range-parser": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
-      "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/rbush": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/rbush/-/rbush-2.0.2.tgz",
@@ -11431,60 +11314,6 @@
         "node": ">= 0.10"
       }
     },
-    "node_modules/send": {
-      "version": "0.16.2",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
-      "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
-      "dev": true,
-      "dependencies": {
-        "debug": "2.6.9",
-        "depd": "~1.1.2",
-        "destroy": "~1.0.4",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
-        "fresh": "0.5.2",
-        "http-errors": "~1.6.2",
-        "mime": "1.4.1",
-        "ms": "2.0.0",
-        "on-finished": "~2.3.0",
-        "range-parser": "~1.2.0",
-        "statuses": "~1.4.0"
-      },
-      "engines": {
-        "node": ">= 0.8.0"
-      }
-    },
-    "node_modules/send/node_modules/http-errors": {
-      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
-      "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
-      "dev": true,
-      "dependencies": {
-        "depd": "~1.1.2",
-        "inherits": "2.0.3",
-        "setprototypeof": "1.1.0",
-        "statuses": ">= 1.4.0 < 2"
-      },
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
-    "node_modules/send/node_modules/setprototypeof": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
-      "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==",
-      "dev": true
-    },
-    "node_modules/send/node_modules/statuses": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
-      "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/serialize-error": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/serialize-error/-/serialize-error-7.0.1.tgz",
@@ -11517,21 +11346,6 @@
         "randombytes": "^2.1.0"
       }
     },
-    "node_modules/serve-static": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
-      "integrity": "sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==",
-      "dev": true,
-      "dependencies": {
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "parseurl": "~1.3.2",
-        "send": "0.16.2"
-      },
-      "engines": {
-        "node": ">= 0.8.0"
-      }
-    },
     "node_modules/set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
@@ -11925,18 +11739,6 @@
       "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=",
       "dev": true
     },
-    "node_modules/spa-server": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/spa-server/-/spa-server-1.0.0.tgz",
-      "integrity": "sha1-JTL6vI8SJKSLaFuS47HzOoYV2II=",
-      "dev": true,
-      "dependencies": {
-        "connect": "^3.3.5",
-        "mime": "^1.3.4",
-        "serve-static": "^1.9.2",
-        "xtend": "^4.0.0"
-      }
-    },
     "node_modules/sparkles": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/sparkles/-/sparkles-1.0.1.tgz",
@@ -12050,15 +11852,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/statuses": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
-      "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4=",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/stream-browserify": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/stream-browserify/-/stream-browserify-3.0.0.tgz",
@@ -13184,15 +12977,6 @@
         "node": ">= 4.0.0"
       }
     },
-    "node_modules/unpipe": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
-      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.8"
-      }
-    },
     "node_modules/unset-value": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
@@ -13455,15 +13239,6 @@
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
-    "node_modules/utils-merge": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
-      "dev": true,
-      "engines": {
-        "node": ">= 0.4.0"
-      }
-    },
     "node_modules/uuid": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
@@ -16892,18 +16667,6 @@
         "xdg-basedir": "^4.0.0"
       }
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-      "resolved": "https://registry.npmjs.org/connect/-/connect-3.6.6.tgz",
-      "integrity": "sha1-Ce/2xVr3I24TcTWnJXSFi2eG9SQ=",
-      "dev": true,
-      "requires": {
-        "debug": "2.6.9",
-        "finalhandler": "1.1.0",
-        "parseurl": "~1.3.2",
-        "utils-merge": "1.0.1"
-      }
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     "console-browserify": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.2.0.tgz",
@@ -17403,12 +17166,6 @@
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       "optional": true
     },
-    "depd": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
-      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
-      "dev": true
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     "deps-sort": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/deps-sort/-/deps-sort-2.0.1.tgz",
@@ -17431,12 +17188,6 @@
         "minimalistic-assert": "^1.0.0"
       }
     },
-    "destroy": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
-      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
-      "dev": true
-    },
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       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/detect-file/-/detect-file-1.0.0.tgz",
@@ -17701,12 +17452,6 @@
         "object.defaults": "^1.1.0"
       }
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-    "ee-first": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
-      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
-      "dev": true
-    },
     "ejs": {
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@@ -18184,7 +17929,8 @@
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       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -18343,12 +18089,6 @@
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       "dev": true
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-      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=",
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@@ -18709,12 +18449,6 @@
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-      "version": "1.8.1",
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-      "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
-      "dev": true
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@@ -19121,21 +18855,6 @@
         }
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-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.0.tgz",
-      "integrity": "sha1-zgtoVbRYU+eRsvzGgARtiCU91/U=",
-      "dev": true,
-      "requires": {
-        "debug": "2.6.9",
-        "encodeurl": "~1.0.1",
-        "escape-html": "~1.0.3",
-        "on-finished": "~2.3.0",
-        "parseurl": "~1.3.2",
-        "statuses": "~1.3.1",
-        "unpipe": "~1.0.0"
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     "find-up": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
@@ -19250,12 +18969,6 @@
         "map-cache": "^0.2.2"
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-    "fresh": {
-      "version": "0.5.2",
-      "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
-      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
-      "dev": true
-    },
     "from": {
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       "resolved": "https://registry.npmjs.org/from/-/from-0.1.7.tgz",
@@ -21245,12 +20958,6 @@
         }
       }
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-    "mime": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/mime/-/mime-1.4.1.tgz",
-      "integrity": "sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==",
-      "dev": true
-    },
     "mimic-response": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-1.0.1.tgz",
@@ -22188,15 +21895,6 @@
         "es-abstract": "^1.18.2"
       }
     },
-    "on-finished": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
-      "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
-      "dev": true,
-      "requires": {
-        "ee-first": "1.1.1"
-      }
-    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -22367,12 +22065,6 @@
       "integrity": "sha1-bVuTSkVpk7I9N/QKOC1vFmao5cY=",
       "dev": true
     },
-    "parseurl": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
-      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
-      "dev": true
-    },
     "pascalcase": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz",
@@ -22757,12 +22449,6 @@
         "safe-buffer": "^5.1.0"
       }
     },
-    "range-parser": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
-      "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
-      "dev": true
-    },
     "rbush": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/rbush/-/rbush-2.0.2.tgz",
@@ -23342,53 +23028,6 @@
         "sver-compat": "^1.5.0"
       }
     },
-    "send": {
-      "version": "0.16.2",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
-      "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
-      "dev": true,
-      "requires": {
-        "debug": "2.6.9",
-        "depd": "~1.1.2",
-        "destroy": "~1.0.4",
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "etag": "~1.8.1",
-        "fresh": "0.5.2",
-        "http-errors": "~1.6.2",
-        "mime": "1.4.1",
-        "ms": "2.0.0",
-        "on-finished": "~2.3.0",
-        "range-parser": "~1.2.0",
-        "statuses": "~1.4.0"
-      },
-      "dependencies": {
-        "http-errors": {
-          "version": "1.6.3",
-          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
-          "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
-          "dev": true,
-          "requires": {
-            "depd": "~1.1.2",
-            "inherits": "2.0.3",
-            "setprototypeof": "1.1.0",
-            "statuses": ">= 1.4.0 < 2"
-          }
-        },
-        "setprototypeof": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
-          "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==",
-          "dev": true
-        },
-        "statuses": {
-          "version": "1.4.0",
-          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
-          "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
-          "dev": true
-        }
-      }
-    },
     "serialize-error": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/serialize-error/-/serialize-error-7.0.1.tgz",
@@ -23417,18 +23056,6 @@
         "randombytes": "^2.1.0"
       }
     },
-    "serve-static": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
-      "integrity": "sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==",
-      "dev": true,
-      "requires": {
-        "encodeurl": "~1.0.2",
-        "escape-html": "~1.0.3",
-        "parseurl": "~1.3.2",
-        "send": "0.16.2"
-      }
-    },
     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
@@ -23752,18 +23379,6 @@
       "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=",
       "dev": true
     },
-    "spa-server": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/spa-server/-/spa-server-1.0.0.tgz",
-      "integrity": "sha1-JTL6vI8SJKSLaFuS47HzOoYV2II=",
-      "dev": true,
-      "requires": {
-        "connect": "^3.3.5",
-        "mime": "^1.3.4",
-        "serve-static": "^1.9.2",
-        "xtend": "^4.0.0"
-      }
-    },
     "sparkles": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/sparkles/-/sparkles-1.0.1.tgz",
@@ -23858,12 +23473,6 @@
         }
       }
     },
-    "statuses": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz",
-      "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4=",
-      "dev": true
-    },
     "stream-browserify": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/stream-browserify/-/stream-browserify-3.0.0.tgz",
@@ -24774,12 +24383,6 @@
       "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
       "dev": true
     },
-    "unpipe": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
-      "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
-      "dev": true
-    },
     "unset-value": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
@@ -25000,12 +24603,6 @@
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
-    "utils-merge": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
-      "dev": true
-    },
     "uuid": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
diff --git a/gui/package.json b/gui/package.json
index 83ee1944ab..476b460ce8 100644
--- a/gui/package.json
+++ b/gui/package.json
@@ -79,7 +79,6 @@
     "prettier": "^2.2.1",
     "semver": "^7.3.2",
     "sinon": "^7.1.1",
-    "spa-server": "^1.0.0",
     "ts-node": "^10.0.0",
     "tsc-watch": "^4.2.9",
     "typescript": "^4.3.2",
diff --git a/gui/src/main/index.ts b/gui/src/main/index.ts
index 8b047cb6c3..4377b0a9b2 100644
--- a/gui/src/main/index.ts
+++ b/gui/src/main/index.ts
@@ -503,13 +503,7 @@ class ApplicationMain {
 
       const filePath = path.resolve(path.join(__dirname, '../renderer/index.html'));
       try {
-        if (process.env.NODE_ENV === 'development') {
-          await this.windowController.window.loadURL(
-            'http://localhost:8080/src/renderer/index.html',
-          );
-        } else {
-          await this.windowController.window.loadFile(filePath);
-        }
+        await this.windowController.window.loadFile(filePath);
       } catch (error) {
         log.error(`Failed to load index file: ${error.message}`);
       }
@@ -1588,10 +1582,8 @@ class ApplicationMain {
   private allowDevelopmentRequest(url: string): boolean {
     return (
       process.env.NODE_ENV === 'development' &&
-      // Local web server providing assests (index.html, index.js and css files)
-      (url.startsWith('http://localhost:8080/') ||
-        // Downloading of React and Redux developer tools.
-        url.startsWith('devtools://devtools/') ||
+      // Downloading of React and Redux developer tools.
+      (url.startsWith('devtools://devtools/') ||
         url.startsWith('chrome-extension://') ||
         url.startsWith('https://clients2.google.com') ||
         url.startsWith('https://clients2.googleusercontent.com'))
@@ -1613,7 +1605,10 @@ class ApplicationMain {
     const forceDownload = !!process.env.UPGRADE_EXTENSIONS;
     for (const name of extensions) {
       try {
-        await installer.default(installer[name], forceDownload);
+        await installer.default(installer[name], {
+          forceDownload,
+          loadExtensionOptions: { allowFileAccess: true },
+        });
       } catch (e) {
         log.info(`Error installing ${name} extension: ${e.message}`);
       }
diff --git a/gui/tasks/dev-server.js b/gui/tasks/dev-server.js
deleted file mode 100644
index 067174ab17..0000000000
--- a/gui/tasks/dev-server.js
+++ /dev/null
@@ -1,40 +0,0 @@
-const serverFactory = require('spa-server');
-
-function startWebServer(done) {
-  serverFactory
-    .create({
-      path: './build',
-      port: 8080,
-      middleware: [correctWorkingDirectory],
-    })
-    .start(done);
-}
-
-function correctWorkingDirectory(request, response, next) {
-  if (request.url === '/src/renderer/index.js') {
-    const write = response.write.bind(response);
-    response.write = (data) => {
-      let s = data.toString();
-
-      // Add code that changes to the correct working directory after `"use strict";` which is
-      // located on the first line of the source file.
-      const index = s.indexOf('\n');
-
-      if (index !== -1) {
-        const insertionIndex = index + 1;
-        s =
-          s.slice(0, insertionIndex) +
-          'try{process.chdir("build/src/renderer")}catch(e){}\n' +
-          s.slice(insertionIndex);
-      }
-
-      write(s);
-    };
-  }
-
-  next();
-}
-
-startWebServer.displayName = 'start-dev-server';
-
-exports.start = startWebServer;
diff --git a/gui/tasks/watch.js b/gui/tasks/watch.js
index 543e5f7b08..7badef949e 100644
--- a/gui/tasks/watch.js
+++ b/gui/tasks/watch.js
@@ -1,6 +1,5 @@
 const { parallel, series, watch } = require('gulp');
 const electron = require('./electron');
-const devServer = require('./dev-server');
 const assets = require('./assets');
 const scripts = require('./scripts');
 
@@ -39,7 +38,6 @@ exports.start = series(
     // set up hotreload, run electron and begin watching filesystem for changes, after the first
     // successful build
     series(
-      devServer.start,
       electron.start,
       parallel(watchMainScripts, watchCss, watchConfig, watchHtml, watchStaticAssets),
     ),