Adding @typescript packages back to try to make Travis happy.

package-lock.json

@@ -24,6 +24,12 @@
         "js-tokens": "^4.0.0"
       }
     },
+    "@types/eslint-visitor-keys": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@types/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz",
+      "integrity": "sha512-OCutwjDZ4aFS6PB1UZ988C4YgwlBHJd6wCeQqaLdmadZ/7e+w79+hbMUFC1QXDNCmdyoRfAFdm0RypzwR+Qpag==",
+      "dev": true
+    },
     "@types/estree": {
       "version": "0.0.39",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-0.0.39.tgz",
@@ -36,6 +42,51 @@
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       "dev": true
     },
+    "@typescript-eslint/eslint-plugin": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-1.11.0.tgz",
+      "integrity": "sha512-mXv9ccCou89C8/4avKHuPB2WkSZyY/XcTQUXd5LFZAcLw1I3mWYVjUu6eS9Ja0QkP/ClolbcW9tb3Ov/pMdcqw==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/experimental-utils": "1.11.0",
+        "eslint-utils": "^1.3.1",
+        "functional-red-black-tree": "^1.0.1",
+        "regexpp": "^2.0.1",
+        "tsutils": "^3.7.0"
+      }
+    },
+    "@typescript-eslint/experimental-utils": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-1.11.0.tgz",
+      "integrity": "sha512-7LbfaqF6B8oa8cp/315zxKk8FFzosRzzhF8Kn/ZRsRsnpm7Qcu25cR/9RnAQo5utZ2KIWVgaALr+ZmcbG47ruw==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/typescript-estree": "1.11.0",
+        "eslint-scope": "^4.0.0"
+      }
+    },
+    "@typescript-eslint/parser": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-1.11.0.tgz",
+      "integrity": "sha512-5xBExyXaxVyczrZvbRKEXvaTUFFq7gIM9BynXukXZE0zF3IQP/FxF4mPmmh3gJ9egafZFqByCpPTFm3dk4SY7Q==",
+      "dev": true,
+      "requires": {
+        "@types/eslint-visitor-keys": "^1.0.0",
+        "@typescript-eslint/experimental-utils": "1.11.0",
+        "@typescript-eslint/typescript-estree": "1.11.0",
+        "eslint-visitor-keys": "^1.0.0"
+      }
+    },
+    "@typescript-eslint/typescript-estree": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-1.11.0.tgz",
+      "integrity": "sha512-fquUHF5tAx1sM2OeRCC7wVxFd1iMELWMGCzOSmJ3pLzArj9+kRixdlC4d5MncuzXpjEqc6045p3KwM0o/3FuUA==",
+      "dev": true,
+      "requires": {
+        "lodash.unescape": "4.0.1",
+        "semver": "5.5.0"
+      }
+    },
     "acorn": {
       "version": "6.1.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
@@ -489,6 +540,14 @@
         "strip-json-comments": "^2.0.1",
         "table": "^5.2.3",
         "text-table": "^0.2.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
+        }
       }
     },
     "eslint-config-mdcs": {
@@ -1100,6 +1159,12 @@
       "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
       "dev": true
     },
+    "lodash.unescape": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lodash.unescape/-/lodash.unescape-4.0.1.tgz",
+      "integrity": "sha1-vyJJiGzlFM2hEvrpIYzcBlIR/Jw=",
+      "dev": true
+    },
     "map-age-cleaner": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz",
@@ -1617,9 +1682,9 @@
       "dev": true
     },
     "semver": {
-      "version": "5.7.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-      "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
+      "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA==",
       "dev": true
     },
     "set-blocking": {
@@ -1840,6 +1905,15 @@
       "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
       "dev": true
     },
+    "tsutils": {
+      "version": "3.14.0",
+      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-3.14.0.tgz",
+      "integrity": "sha512-SmzGbB0l+8I0QwsPgjooFRaRvHLBLNYM8SeQ0k6rtNDru5sCGeLJcZdwilNndN+GysuFjF5EIYgN8GfFG6UeUw==",
+      "dev": true,
+      "requires": {
+        "tslib": "^1.8.1"
+      }
+    },
     "type-check": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",

package.json

@@ -25,6 +25,7 @@
     "test": "test"
   },
   "eslintConfig": {
+    "parser": "@typescript-eslint/parser",
     "extends": "mdcs",
     "plugins": [
       "html",
@@ -66,6 +67,8 @@
   },
   "homepage": "https://threejs.org/",
   "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^1.11.0",
+    "@typescript-eslint/parser": "^1.11.0",
     "concurrently": "^4.1.1",
     "eslint": "^6.0.1",
     "eslint-config-mdcs": "^4.2.3",