diff --git a/package.json b/package.json
index dbfbf9d..81877f9 100644
--- a/package.json
+++ b/package.json
@@ -591,20 +591,20 @@
     "@chemzqm/tsconfig": "^0.0.3",
     "@chemzqm/tslint-config": "^1.0.18",
     "@types/fast-diff": "^1.2.0",
-    "@types/node": "^13.11.1",
+    "@types/node": "^14.0.4",
     "coc.nvim": "^0.0.77",
     "fast-diff": "^1.2.0",
     "rimraf": "^3.0.2",
-    "semver": "^7.2.1",
-    "ts-loader": "^6.2.2",
-    "tslint": "^6.1.1",
+    "semver": "^7.3.2",
+    "ts-loader": "^7.0.4",
+    "tslint": "^6.1.2",
     "vscode-languageserver-protocol": "^3.15.3",
-    "webpack": "^4.42.1",
+    "webpack": "^4.43.0",
     "webpack-cli": "^3.3.11",
     "vscode-languageserver-textdocument": "^1.0.1",
     "which": "^2.0.2"
   },
   "dependencies": {
-    "typescript": "3.8.3"
+    "typescript": "3.9.3"
   }
 }
diff --git a/src/server/features/fileConfigurationManager.ts b/src/server/features/fileConfigurationManager.ts
index 444542c..dbd585f 100644
--- a/src/server/features/fileConfigurationManager.ts
+++ b/src/server/features/fileConfigurationManager.ts
@@ -180,7 +180,7 @@ function getImportModuleSpecifier(config): ModuleImportType {
   }
 }
 
-function getImportModuleSpecifierEndingPreference(config: WorkspaceConfiguration): string {
+function getImportModuleSpecifierEndingPreference(config: WorkspaceConfiguration): any {
   switch (config.get<string>('importModuleSpecifierEnding')) {
     case 'minimal': return 'minimal'
     case 'index': return 'index'
diff --git a/yarn.lock b/yarn.lock
index a72ef9f..2c28385 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -45,10 +45,10 @@
   dependencies:
     fast-diff "*"
 
-"@types/node@^13.11.1":
-  version "13.11.1"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-13.11.1.tgz#49a2a83df9d26daacead30d0ccc8762b128d53c7"
-  integrity sha512-eWQGP3qtxwL8FGneRrC5DwrJLGN4/dH1clNTuLfN81HCrxVtxRjygDTUoZJ5ASlDEeo0ppYFQjQIlXhtXpOn6g==
+"@types/node@^14.0.4":
+  version "14.0.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.0.4.tgz#43a63fc5edce226bed106b31b875165256271107"
+  integrity sha512-k3NqigXWRzQZVBDS5D1U70A5E8Qk4Kh+Ha/x4M8Bt9pF0X05eggfnC9+63Usc9Q928hRUIpIhTQaXsZwZBl4Ew==
 
 "@webassemblyjs/ast@1.9.0":
   version "1.9.0"
@@ -210,10 +210,10 @@ abbrev@1:
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
   integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
 
-acorn@^6.2.1:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.3.0.tgz#0087509119ffa4fc0a0041d1e93a417e68cb856e"
-  integrity sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==
+acorn@^6.4.1:
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.1.tgz#531e58ba3f51b9dacb9a6646ca4debf5b14ca474"
+  integrity sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==
 
 ajv-errors@^1.0.0:
   version "1.0.1"
@@ -265,6 +265,14 @@ anymatch@^2.0.0:
     micromatch "^3.1.4"
     normalize-path "^2.1.1"
 
+anymatch@~3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-3.1.1.tgz#c55ecf02185e2469259399310c173ce31233b142"
+  integrity sha512-mM8522psRCqzV+6LhomX5wgp25YVibjh8Wj23I5RPkPppSVSjyKD2A2mBJmWGa+KN7f2D6LNh9jkBCeyLktzjg==
+  dependencies:
+    normalize-path "^3.0.0"
+    picomatch "^2.0.4"
+
 aproba@^1.0.3, aproba@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
@@ -375,6 +383,11 @@ binary-extensions@^1.0.0:
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
   integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
 
+binary-extensions@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.0.0.tgz#23c0df14f6a88077f5f986c0d167ec03c3d5537c"
+  integrity sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow==
+
 bluebird@^3.5.5:
   version "3.5.5"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
@@ -409,7 +422,7 @@ braces@^2.3.1, braces@^2.3.2:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
-braces@^3.0.1:
+braces@^3.0.1, braces@~3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"
   integrity sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==
@@ -573,10 +586,10 @@ chalk@2.4.2, chalk@^2.0.0, chalk@^2.3.0:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-chokidar@^2.0.2:
-  version "2.1.6"
-  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.6.tgz#b6cad653a929e244ce8a834244164d241fa954c5"
-  integrity sha512-V2jUo67OKkc6ySiRpJrjlpJKl9kDuG+Xb8VgsGzb+aEouhgS1D0weyPU4lEzdAcsCAvrih2J2BqyXqHWvVLw5g==
+chokidar@^2.1.8:
+  version "2.1.8"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.8.tgz#804b3a7b6a99358c3c5c61e71d8728f041cff917"
+  integrity sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==
   dependencies:
     anymatch "^2.0.0"
     async-each "^1.0.1"
@@ -592,6 +605,21 @@ chokidar@^2.0.2:
   optionalDependencies:
     fsevents "^1.2.7"
 
+chokidar@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.4.0.tgz#b30611423ce376357c765b9b8f904b9fba3c0be8"
+  integrity sha512-aXAaho2VJtisB/1fg1+3nlLJqGOuewTzQpd/Tz0yTg2R0e4IGtshYvtjowyEumcBv2z+y4+kc75Mz7j5xJskcQ==
+  dependencies:
+    anymatch "~3.1.1"
+    braces "~3.0.2"
+    glob-parent "~5.1.0"
+    is-binary-path "~2.1.0"
+    is-glob "~4.0.1"
+    normalize-path "~3.0.0"
+    readdirp "~3.4.0"
+  optionalDependencies:
+    fsevents "~2.1.2"
+
 chownr@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.2.tgz#a18f1e0b269c8a6a5d3c86eb298beb14c3dd7bf6"
@@ -1255,6 +1283,11 @@ fsevents@^1.2.7:
     nan "^2.12.1"
     node-pre-gyp "^0.12.0"
 
+fsevents@~2.1.2:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.1.3.tgz#fb738703ae8d2f9fe900c33836ddebee8b97f23e"
+  integrity sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -1294,6 +1327,13 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
+glob-parent@~5.1.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.1.tgz#b6c1ef417c4e5663ea498f1c45afac6916bbc229"
+  integrity sha512-FnI+VGOpnlGHWZxthPGR+QhR78fuiK0sNLkHQv+bL9fQi57lNNdquIbna/WrfROrolq8GK5Ek6BiMwqL/voRYQ==
+  dependencies:
+    is-glob "^4.0.1"
+
 glob@^6.0.1:
   version "6.0.4"
   resolved "https://registry.yarnpkg.com/glob/-/glob-6.0.4.tgz#0f08860f6a155127b2fadd4f9ce24b1aab6e4d22"
@@ -1552,6 +1592,13 @@ is-binary-path@^1.0.0:
   dependencies:
     binary-extensions "^1.0.0"
 
+is-binary-path@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-2.1.0.tgz#ea1f7f3b80f064236e83470f86c09c254fb45b09"
+  integrity sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==
+  dependencies:
+    binary-extensions "^2.0.0"
+
 is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
@@ -1625,7 +1672,7 @@ is-glob@^3.1.0:
   dependencies:
     is-extglob "^2.1.0"
 
-is-glob@^4.0.0:
+is-glob@^4.0.0, is-glob@^4.0.1, is-glob@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
   integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
@@ -2138,7 +2185,7 @@ normalize-path@^2.1.1:
   dependencies:
     remove-trailing-separator "^1.0.1"
 
-normalize-path@^3.0.0:
+normalize-path@^3.0.0, normalize-path@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
   integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
@@ -2356,6 +2403,11 @@ pbkdf2@^3.0.3:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
+picomatch@^2.0.4, picomatch@^2.2.1:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
+  integrity sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==
+
 picomatch@^2.0.5:
   version "2.0.7"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.0.7.tgz#514169d8c7cd0bdbeecc8a2609e34a7163de69f6"
@@ -2507,6 +2559,13 @@ readdirp@^2.2.1:
     micromatch "^3.1.10"
     readable-stream "^2.0.2"
 
+readdirp@~3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.4.0.tgz#9fdccdf9e9155805449221ac645e8303ab5b9ada"
+  integrity sha512-0xe001vZBnJEK+uKcj8qOhyAKPzIT+gStxWr3LCB0DwcXR5NZJ3IaC+yGnHCYzB/S7ov3m3EEbZI2zeNvX+hGQ==
+  dependencies:
+    picomatch "^2.2.1"
+
 regex-not@^1.0.0, regex-not@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
@@ -2693,10 +2752,10 @@ semver@^6.3.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
-semver@^7.2.1:
-  version "7.2.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-7.2.1.tgz#d997aa36bdbb00b501ae4ac4c7d17e9f7a587ae5"
-  integrity sha512-aHhm1pD02jXXkyIpq25qBZjr3CQgg8KST8uX0OWXch3xE6jw+1bfbWnCjzMwojsTquroUmKFHNzU6x26mEiRxw==
+semver@^7.3.2:
+  version "7.3.2"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.2.tgz#604962b052b81ed0786aae84389ffba70ffd3938"
+  integrity sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==
 
 serialize-javascript@^2.1.2:
   version "2.1.2"
@@ -3064,10 +3123,10 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
-ts-loader@^6.2.2:
-  version "6.2.2"
-  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-6.2.2.tgz#dffa3879b01a1a1e0a4b85e2b8421dc0dfff1c58"
-  integrity sha512-HDo5kXZCBml3EUPcc7RlZOV/JGlLHwppTLEHb3SHnr5V7NXD4klMEkrhJe5wgRbaWsSXi+Y1SIBN/K9B6zWGWQ==
+ts-loader@^7.0.4:
+  version "7.0.4"
+  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-7.0.4.tgz#5d9b95227de5afb91fdd9668f8920eb193cfe0cc"
+  integrity sha512-5du6OQHl+4ZjO4crEyoYUyWSrmmo7bAO+inkaILZ68mvahqrfoa4nn0DRmpQ4ruT4l+cuJCgF0xD7SBIyLeeow==
   dependencies:
     chalk "^2.3.0"
     enhanced-resolve "^4.0.0"
@@ -3102,10 +3161,10 @@ tslint-react@^3.2.0:
   dependencies:
     tsutils "^2.13.1"
 
-tslint@^6.1.1:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.1.1.tgz#ac03fbd17f85bfefaae348b353b25a88efe10cde"
-  integrity sha512-kd6AQ/IgPRpLn6g5TozqzPdGNZ0q0jtXW4//hRcj10qLYBaa3mTUU2y2MCG+RXZm8Zx+KZi0eA+YCrMyNlF4UA==
+tslint@^6.1.2:
+  version "6.1.2"
+  resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.1.2.tgz#2433c248512cc5a7b2ab88ad44a6b1b34c6911cf"
+  integrity sha512-UyNrLdK3E0fQG/xWNqAFAC5ugtFyPO4JJR1KyyfQAyzR8W0fTRrC91A8Wej4BntFzcvETdCSDa/4PnNYJQLYiA==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     builtin-modules "^1.1.1"
@@ -3143,10 +3202,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.8.3:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
-  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
+typescript@3.9.3:
+  version "3.9.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.3.tgz#d3ac8883a97c26139e42df5e93eeece33d610b8a"
+  integrity sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==
 
 union-value@^1.0.0:
   version "1.0.1"
@@ -3277,14 +3336,23 @@ vscode-uri@^2.0.3:
   resolved "https://registry.yarnpkg.com/vscode-uri/-/vscode-uri-2.0.3.tgz#25e5f37f552fbee3cec7e5f80cef8469cefc6543"
   integrity sha512-4D3DI3F4uRy09WNtDGD93H9q034OHImxiIcSq664Hq1Y1AScehlP3qqZyTkX/RWxeu0MRMHGkrxYqm2qlDF/aw==
 
-watchpack@^1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.6.0.tgz#4bc12c2ebe8aa277a71f1d3f14d685c7b446cd00"
-  integrity sha512-i6dHe3EyLjMmDlU1/bGQpEw25XSjkJULPuAVKCbNRefQVq48yXKUpwg538F7AZTf9kyr57zj++pQFltUa5H7yA==
+watchpack-chokidar2@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/watchpack-chokidar2/-/watchpack-chokidar2-2.0.0.tgz#9948a1866cbbd6cb824dea13a7ed691f6c8ddff0"
+  integrity sha512-9TyfOyN/zLUbA288wZ8IsMZ+6cbzvsNyEzSBp6e/zkifi6xxbl8SmQ/CxQq32k8NNqrdVEVUVSEf56L4rQ/ZxA==
+  dependencies:
+    chokidar "^2.1.8"
+
+watchpack@^1.6.1:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.7.2.tgz#c02e4d4d49913c3e7e122c3325365af9d331e9aa"
+  integrity sha512-ymVbbQP40MFTp+cNMvpyBpBtygHnPzPkHqoIwRRj/0B8KhqQwV8LaKjtbaxF2lK4vl8zN9wCxS46IFCU5K4W0g==
   dependencies:
-    chokidar "^2.0.2"
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
+  optionalDependencies:
+    chokidar "^3.4.0"
+    watchpack-chokidar2 "^2.0.0"
 
 webpack-cli@^3.3.11:
   version "3.3.11"
@@ -3311,16 +3379,16 @@ webpack-sources@^1.4.0, webpack-sources@^1.4.1:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@^4.42.1:
-  version "4.42.1"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.42.1.tgz#ae707baf091f5ca3ef9c38b884287cfe8f1983ef"
-  integrity sha512-SGfYMigqEfdGchGhFFJ9KyRpQKnipvEvjc1TwrXEPCM6H5Wywu10ka8o3KGrMzSMxMQKt8aCHUFh5DaQ9UmyRg==
+webpack@^4.43.0:
+  version "4.43.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.43.0.tgz#c48547b11d563224c561dad1172c8aa0b8a678e6"
+  integrity sha512-GW1LjnPipFW2Y78OOab8NJlCflB7EFskMih2AHdvjbpKMeDJqEgSx24cXXXiPS65+WSwVyxtDsJH6jGX2czy+g==
   dependencies:
     "@webassemblyjs/ast" "1.9.0"
     "@webassemblyjs/helper-module-context" "1.9.0"
     "@webassemblyjs/wasm-edit" "1.9.0"
     "@webassemblyjs/wasm-parser" "1.9.0"
-    acorn "^6.2.1"
+    acorn "^6.4.1"
     ajv "^6.10.2"
     ajv-keywords "^3.4.1"
     chrome-trace-event "^1.0.2"
@@ -3337,7 +3405,7 @@ webpack@^4.42.1:
     schema-utils "^1.0.0"
     tapable "^1.1.3"
     terser-webpack-plugin "^1.4.3"
-    watchpack "^1.6.0"
+    watchpack "^1.6.1"
     webpack-sources "^1.4.1"
 
 which-module@^2.0.0: