Update TypeScript version

3 files changed, 185 insertions, 167 deletions

diff --git a/js/package-lock.json b/js/package-lock.json
index ddc4aed978c..db329f54505 100644
--- a/js/package-lock.json
+++ b/js/package-lock.json
@@ -1182,27 +1182,18 @@
       }
     },
     "@gulp-sourcemaps/identity-map": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/@gulp-sourcemaps/identity-map/-/identity-map-1.0.2.tgz",
-      "integrity": "sha512-ciiioYMLdo16ShmfHBXJBOFm3xPC4AuwO4xeRpFeHz7WK9PYsWCmigagG2XyzZpubK4a3qNKoUBDhbzHfa50LQ==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@gulp-sourcemaps/identity-map/-/identity-map-2.0.1.tgz",
+      "integrity": "sha512-Tb+nSISZku+eQ4X1lAkevcQa+jknn/OVUgZ3XCxEKIsLsqYuPoJwJOPQeaOk75X3WPftb29GWY1eqE7GLsXb1Q==",
       "dev": true,
       "requires": {
-        "acorn": "^5.0.3",
-        "css": "^2.2.1",
-        "normalize-path": "^2.1.1",
+        "acorn": "^6.4.1",
+        "normalize-path": "^3.0.0",
+        "postcss": "^7.0.16",
         "source-map": "^0.6.0",
-        "through2": "^2.0.3"
+        "through2": "^3.0.1"
       },
       "dependencies": {
-        "normalize-path": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
-          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
-          "dev": true,
-          "requires": {
-            "remove-trailing-separator": "^1.0.1"
-          }
-        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -1210,13 +1201,13 @@
           "dev": true
         },
         "through2": {
-          "version": "2.0.5",
-          "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
-          "integrity": "sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==",
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.2.tgz",
+          "integrity": "sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==",
           "dev": true,
           "requires": {
-            "readable-stream": "~2.3.6",
-            "xtend": "~4.0.1"
+            "inherits": "^2.0.4",
+            "readable-stream": "2 || 3"
           }
         }
       }
@@ -1298,35 +1289,6 @@
         "fastq": "^1.6.0"
       }
     },
-    "@types/events": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz",
-      "integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==",
-      "dev": true
-    },
-    "@types/glob": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.1.tgz",
-      "integrity": "sha512-1Bh06cbWJUHMC97acuD6UMG29nMt0Aqz1vF3guLfG+kHHJhy3AyohZFFxYk2f7Q1SQIrNwvncxAE0N/9s70F2w==",
-      "dev": true,
-      "requires": {
-        "@types/events": "*",
-        "@types/minimatch": "*",
-        "@types/node": "*"
-      }
-    },
-    "@types/minimatch": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
-      "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==",
-      "dev": true
-    },
-    "@types/node": {
-      "version": "13.13.4",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-13.13.4.tgz",
-      "integrity": "sha512-x26ur3dSXgv5AwKS0lNfbjpCakGIduWU1DU91Zz58ONRWrIKGunmZBNv4P7N+e27sJkiGDsw/3fT4AtsqQBrBA==",
-      "dev": true
-    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -1334,15 +1296,15 @@
       "dev": true
     },
     "acorn": {
-      "version": "5.7.4",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
-      "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
       "dev": true
     },
     "aggregate-error": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-3.0.1.tgz",
-      "integrity": "sha512-quoaXsZ9/BLNae5yiNoUz+Nhkwz83GhWwtYFglcjEQB2NDHCIpApbqXxIFnm4Pq/Nvhrsq5sYJFyohrrxnTGAA==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-3.1.0.tgz",
+      "integrity": "sha512-4I7Td01quW/RpocfNayFdFVk1qSuoh0E7JrbRJ16nH01HhKFQ88INq9Sd+nd72zqRySlr9BmDA8xlEJ6vJMrYA==",
       "dev": true,
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@@ -2097,15 +2059,14 @@
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     "css": {
-      "version": "2.2.4",
-      "resolved": "https://registry.npmjs.org/css/-/css-2.2.4.tgz",
-      "integrity": "sha512-oUnjmWpy0niI3x/mPL8dVEI1l7MnG3+HHyRPHf+YFSbK+svOhXpmSOcDURUh2aOCgl2grzrOPt1nHLuCVFULLw==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/css/-/css-3.0.0.tgz",
+      "integrity": "sha512-DG9pFfwOrzc+hawpmqX/dHYHJG+Bsdb0klhyi1sDneOgGOXy9wQIC8hzyVp1e4NRYDBdxcylvywPkkXCHAzTyQ==",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.3",
+        "inherits": "^2.0.4",
         "source-map": "^0.6.1",
-        "source-map-resolve": "^0.5.2",
-        "urix": "^0.1.0"
+        "source-map-resolve": "^0.6.0"
       },
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@@ -2113,6 +2074,16 @@
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           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
+        },
+        "source-map-resolve": {
+          "version": "0.6.0",
+          "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.6.0.tgz",
+          "integrity": "sha512-KXBr9d/fO/bWo97NXsPIAW1bFSBOuCnjbNTBMO7N59hsv5i9yzRDfcYwwt0l04+VqnKC+EwzvJZIP/qkuMgR/w==",
+          "dev": true,
+          "requires": {
+            "atob": "^2.1.2",
+            "decode-uri-component": "^0.2.0"
+          }
         }
       }
     },
@@ -2153,9 +2124,9 @@
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       "dependencies": {
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-          "version": "3.2.6",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
-          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+          "version": "3.2.7",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.7.tgz",
+          "integrity": "sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==",
           "dev": true,
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@@ -2255,18 +2226,18 @@
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-      "resolved": "https://registry.npmjs.org/del/-/del-5.1.0.tgz",
-      "integrity": "sha512-wH9xOVHnczo9jN2IW68BabcecVPxacIA3g/7z6vhSU/4stOKQzeCRK0yD0A24WiAAUJmmVpWqrERcTxnLo3AnA==",
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/del/-/del-6.0.0.tgz",
+      "integrity": "sha512-1shh9DQ23L16oXSZKB2JxpL7iMy2E0S9d517ptA1P8iw0alkPtQcrKH7ru31rYtKwF499HkTu+DRzq3TCKDFRQ==",
       "dev": true,
       "requires": {
-        "globby": "^10.0.1",
-        "graceful-fs": "^4.2.2",
+        "globby": "^11.0.1",
+        "graceful-fs": "^4.2.4",
         "is-glob": "^4.0.1",
         "is-path-cwd": "^2.2.0",
-        "is-path-inside": "^3.0.1",
-        "p-map": "^3.0.0",
-        "rimraf": "^3.0.0",
+        "is-path-inside": "^3.0.2",
+        "p-map": "^4.0.0",
+        "rimraf": "^3.0.2",
         "slash": "^3.0.0"
       },
       "dependencies": {
@@ -2682,9 +2653,9 @@
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     },
     "fast-glob": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.2.tgz",
-      "integrity": "sha512-UDV82o4uQyljznxwMxyVRJgZZt3O5wENYojjzbaGEGZgeOxkLFf+V4cnUD+krzb2F72E18RhamkMZ7AdeggF7A==",
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.4.tgz",
+      "integrity": "sha512-kr/Oo6PX51265qeuCYsyGypiO5uJFgBS0jksyG7FUeCyQzNwYnzrNIMR1NXfkZXsMYXYLRAHgISHBz8gQcxKHQ==",
       "dev": true,
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@@ -2750,9 +2721,9 @@
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     "fastq": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.7.0.tgz",
-      "integrity": "sha512-YOadQRnHd5q6PogvAR/x62BGituF2ufiEA6s8aavQANw5YKHERI4AREboX6KotzP8oX2klxYF2wcV/7bn1clfQ==",
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.9.0.tgz",
+      "integrity": "sha512-i7FVWL8HhVY+CTkwFxkN2mk3h+787ixS5S63eb78diVRc1MCssarHq3W5cj0av7YDSwmaV928RNag+U1etRQ7w==",
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@@ -3566,18 +3537,16 @@
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-      "resolved": "https://registry.npmjs.org/globby/-/globby-10.0.2.tgz",
-      "integrity": "sha512-7dUi7RvCoT/xast/o/dLN53oqND4yk0nsHkhRgn9w65C4PofCLOoJ39iSOg+qVDdWQPIEj+eszMHQ+aLVwwQSg==",
+      "version": "11.0.1",
+      "resolved": "https://registry.npmjs.org/globby/-/globby-11.0.1.tgz",
+      "integrity": "sha512-iH9RmgwCmUJHi2z5o2l3eTtGBtXek1OYlHrbcxOYugyHLmAsZrPj43OtHThd62Buh/Vv6VyCBD2bdyWcGNQqoQ==",
       "dev": true,
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-        "@types/glob": "^7.1.1",
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-        "fast-glob": "^3.0.3",
-        "glob": "^7.1.3",
-        "ignore": "^5.1.1",
-        "merge2": "^1.2.3",
+        "fast-glob": "^3.1.1",
+        "ignore": "^5.1.4",
+        "merge2": "^1.3.0",
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@@ -3761,6 +3730,22 @@
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+        },
+        "through2": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.2.tgz",
+          "integrity": "sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.4",
+            "readable-stream": "2 || 3"
+          }
+        },
+        "typescript": {
+          "version": "3.9.7",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.7.tgz",
+          "integrity": "sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==",
+          "dev": true
         }
       }
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@@ -3834,22 +3819,22 @@
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     "gulp-sourcemaps": {
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-      "resolved": "https://registry.npmjs.org/gulp-sourcemaps/-/gulp-sourcemaps-2.6.5.tgz",
-      "integrity": "sha512-SYLBRzPTew8T5Suh2U8jCSDKY+4NARua4aqjj8HOysBh2tSgT9u4jc1FYirAdPx1akUxxDeK++fqw6Jg0LkQRg==",
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-        "@gulp-sourcemaps/map-sources": "1.X",
-        "acorn": "5.X",
-        "convert-source-map": "1.X",
-        "css": "2.X",
-        "debug-fabulous": "1.X",
-        "detect-newline": "2.X",
-        "graceful-fs": "4.X",
-        "source-map": "~0.6.0",
-        "strip-bom-string": "1.X",
-        "through2": "2.X"
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+      "dev": true,
+      "requires": {
+        "@gulp-sourcemaps/identity-map": "^2.0.1",
+        "@gulp-sourcemaps/map-sources": "^1.0.0",
+        "acorn": "^6.4.1",
+        "convert-source-map": "^1.0.0",
+        "css": "^3.0.0",
+        "debug-fabulous": "^1.0.0",
+        "detect-newline": "^2.0.0",
+        "graceful-fs": "^4.0.0",
+        "source-map": "^0.6.0",
+        "strip-bom-string": "^1.0.0",
+        "through2": "^2.0.0"
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@@ -3871,44 +3856,15 @@
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-      "resolved": "https://registry.npmjs.org/gulp-terser/-/gulp-terser-1.4.1.tgz",
-      "integrity": "sha512-VUoKrk24G0ojr7fXqlZ7vA8qDFHRloYAM6doNRyKdJ/LFkj+X3P04f+7LlOp7j05WtdOCEg65oG6nGjSf//78A==",
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+      "resolved": "https://registry.npmjs.org/gulp-terser/-/gulp-terser-2.0.0.tgz",
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       "dev": true,
       "requires": {
-        "is-promise": "^4.0.0",
         "plugin-error": "^1.0.1",
-        "terser": ">=4",
+        "terser": "5.4.0",
         "through2": "^4.0.2",
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-          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
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-          "dev": true,
-          "requires": {
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@@ -3930,6 +3886,16 @@
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+        },
+        "through2": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.2.tgz",
+          "integrity": "sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.4",
+            "readable-stream": "2 || 3"
+          }
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@@ -4085,9 +4051,9 @@
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-      "integrity": "sha512-MzbUSahkTW1u7JpKKjY7LCARd1fU5W2rLdxlM4kdkayuCwZImjkpluF9CM1aLewYJguPDqewLam18Y6AU69A8A==",
+      "version": "5.1.8",
+      "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.1.8.tgz",
+      "integrity": "sha512-BMpfD7PpiETpBl/A6S498BaIJ6Y/ABT93ETbby2fP00v4EbvPBXWEoaR1UBPKs3iR53pJY7EtZk5KACI57i1Uw==",
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@@ -4603,9 +4569,9 @@
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-      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.3.0.tgz",
-      "integrity": "sha512-2j4DAdlBOkiSZIsaXk4mTE3sRS02yBHAtfy127xRV3bQUFqXkjHCHLW6Scv7DwNRbIWNHH8zpnz9zMaKXIdvYw==",
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
+      "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==",
       "dev": true
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@@ -4896,9 +4862,9 @@
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     "p-map": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/p-map/-/p-map-3.0.0.tgz",
-      "integrity": "sha512-d3qXVTF/s+W+CdJ5A29wywV2n8CQQYahlgz2bFiA+4eVNJbHJodPZ+/gXwPGh0bOqA+j8S+6+ckmvLGPk1QpxQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/p-map/-/p-map-4.0.0.tgz",
+      "integrity": "sha512-/bjOqmgETBYB5BoEeGVea8dmvHb2m9GLy1E9W43yeyfP6QQCZGFNa+XRceJEuDB6zqr+gKpIAmlLebMpykw/MQ==",
       "dev": true,
       "requires": {
         "aggregate-error": "^3.0.0"
@@ -5026,6 +4992,34 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=",
       "dev": true
     },
+    "postcss": {
+      "version": "7.0.35",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.35.tgz",
+      "integrity": "sha512-3QT8bBJeX/S5zKTTjTCIjRF3If4avAT6kqxcASlTWEtAFCb9NH0OUxNDfgZSWdP5fJnBYCMEWkIFfWeugjzYMg==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.4.2",
+        "source-map": "^0.6.1",
+        "supports-color": "^6.1.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
+          "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
     "pretty-hrtime": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
@@ -5410,9 +5404,9 @@
       }
     },
     "run-parallel": {
-      "version": "1.1.9",
-      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.1.9.tgz",
-      "integrity": "sha512-DEqnSRTDw/Tc3FXf49zedI638Z9onwUotBMiUFKmrO2sdFKIbXamXGQ3Axd4qgphxKB4kw/qP1w5kTxnfU1B9Q==",
+      "version": "1.1.10",
+      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.1.10.tgz",
+      "integrity": "sha512-zb/1OuZ6flOlH6tQyMPUrE3x3Ulxjlo9WIVXR4yVYi4H9UXQaeIsPbLn2R3O3vQCnDKkAl2qHiuocKKX4Tz/Sw==",
       "dev": true
     },
     "safe-buffer": {
@@ -5823,9 +5817,9 @@
       }
     },
     "terser": {
-      "version": "5.5.1",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-5.5.1.tgz",
-      "integrity": "sha512-6VGWZNVP2KTUcltUQJ25TtNjx/XgdDsBDKGt8nN0MpydU36LmbPPcMBd2kmtZNNGVVDLg44k7GKeHHj+4zPIBQ==",
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.4.0.tgz",
+      "integrity": "sha512-3dZunFLbCJis9TAF2VnX+VrQLctRUmt1p3W2kCsJuZE4ZgWqh//+1MZ62EanewrqKoUf4zIaDGZAvml4UDc0OQ==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -5848,13 +5842,25 @@
       "dev": true
     },
     "through2": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.2.tgz",
-      "integrity": "sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/through2/-/through2-4.0.2.tgz",
+      "integrity": "sha512-iOqSav00cVxEEICeD7TjLB1sueEL+81Wpzp2bY17uZjZN0pWZPuo4suZ/61VujxmqSGFfgOcNuTZ85QJwNZQpw==",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.4",
-        "readable-stream": "2 || 3"
+        "readable-stream": "3"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
       }
     },
     "through2-filter": {
@@ -5987,9 +5993,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.9.7",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.9.7.tgz",
-      "integrity": "sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.2.tgz",
+      "integrity": "sha512-thGloWsGH3SOxv1SoY7QojKi0tc+8FnOmiarEGMbd/lar7QOEd3hvlx3Fp5y6FlDUGl9L+pd4n2e+oToGMmhRQ==",
       "dev": true
     },
     "typescript-formatter": {
@@ -6252,6 +6258,18 @@
       "dev": true,
       "requires": {
         "through2": "^3.0.1"
+      },
+      "dependencies": {
+        "through2": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.2.tgz",
+          "integrity": "sha512-enaDQ4MUyP2W6ZyT6EsMzqBPZaM/avg8iuo+l2d3QCs0J+6RaqkHV/2/lOwDTueBHeJ/2LG9lrLW3d5rWPucuQ==",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.4",
+            "readable-stream": "2 || 3"
+          }
+        }
       }
     },
     "vinyl-sourcemap": {
diff --git a/js/package.json b/js/package.json
index ed8512a8818..7a4ce37adba 100644
--- a/js/package.json
+++ b/js/package.json
@@ -24,7 +24,7 @@
     "babel-plugin-rewrite-require": "^1.14.5",
     "core-js": "^3.8.0",
     "core-js-bundle": "^3.8.0",
-    "del": "^5.1.0",
+    "del": "^6.0.0",
     "esprima": "^4.0.1",
     "gulp": "^4.0.2",
     "gulp-babel": "^8.0.0",
@@ -34,20 +34,20 @@
     "gulp-ice-builder": "^3.0.4",
     "gulp-newer": "^1.4.0",
     "gulp-rename": "^2.0.0",
-    "gulp-sourcemaps": "^2.6.5",
-    "gulp-terser": "^1.4.1",
+    "gulp-sourcemaps": "^3.0.0",
+    "gulp-terser": "^2.0.0",
     "gulp-typescript": "^5.0.1",
     "gulp-uglifyes": "^0.2.1",
     "hogan.js": "^3.0.2",
-    "http-proxy": "^1.18.0",
+    "http-proxy": "^1.18.1",
     "jshint": "^2.12.0",
     "plugin-error": "^1.0.1",
     "pump": "^3.0.0",
     "regenerator-runtime": "^0.13.7",
     "rollup": "^2.34.0",
     "source-map": "^0.7.3",
-    "through2": "^3.0.2",
-    "typescript": "^3.9.7",
+    "through2": "^4.0.2",
+    "typescript": "^4.1.2",
     "typescript-formatter": "^7.2.2",
     "vinyl": "^2.2.1",
     "vinyl-paths": "^3.0.1"
diff --git a/js/test/typescript/Ice/acm/Client.ts b/js/test/typescript/Ice/acm/Client.ts
index ad4d57ef304..51d59a9cae0 100644
--- a/js/test/typescript/Ice/acm/Client.ts
+++ b/js/test/typescript/Ice/acm/Client.ts
@@ -462,14 +462,14 @@ class SetACMTest extends TestCase
         await proxy.startHeartbeatCount();
         await proxy.waitForHeartbeatCount(2);
 
-        await new Promise(
+        await new Promise<void>(
             (resolve, reject) =>
                 {
                     con.setCloseCallback(() => resolve());
                     con.close(Ice.ConnectionClose.Gracefully);
                 });
 
-        await new Promise(
+        await new Promise<void>(
             (resolve, reject) =>
                 {
                     con.setCloseCallback(() => resolve());