updated dev dependencies

Author: justlep

.editorconfig

@@ -0,0 +1,6 @@
+[*.{js,json}]
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = false
+insert_final_newline = true
+end_of_line = lf

.eslint-common.json

@@ -20,7 +20,7 @@
         "no-param-reassign": 2,
         "no-else-return": 2,
         "space-unary-ops": [2, {"words": true, "nonwords": false}],
-        "linebreak-style": [2, "unix"],
+        "linebreak-style": [0, "unix"],
         "semi": [2, "always"],
         "no-cond-assign": [2, "always"],
         "no-lonely-if": 2,
@@ -32,7 +32,9 @@
         "radix": 2,
         "wrap-iife": [2, "inside"],
         "yoda": [2, "never"],
-        "no-implicit-globals": 0
+        "no-implicit-globals": 0,
+        "no-redeclare": [2, {"builtinGlobals": false}],
+        "no-prototype-builtins": 0
     },
     "plugins": [
         "log-filenames"

package.json

@@ -24,17 +24,17 @@
   "devDependencies": {
     "chai": "~4.1.2",
     "chai-spies": "~1.0.0",
-    "eslint": "~4.18.2",
+    "eslint": "~7.24.0",
     "eslint-plugin-log-filenames": "~1.0.1",
-    "grunt": "~1.0.1",
+    "grunt": "^1.4.1",
     "grunt-cli": "~1.2.0",
     "grunt-contrib-clean": "~1.0.0",
-    "grunt-contrib-compress": "~1.4.1",
+    "grunt-contrib-compress": "~2.0.0",
     "grunt-contrib-concat": "~1.0.1",
     "grunt-contrib-copy": "~1.0.0",
     "grunt-load-npm-run-tasks": "^1.0.1",
     "grunt-mocha-test": "~0.13.2",
-    "load-grunt-config": "~0.19.2",
+    "load-grunt-config": "~4.0.0",
     "load-grunt-tasks": "~3.5.2",
     "mocha": "~5.0.4",
     "time-grunt": "~1.4.0"

src/.eslintrc

@@ -220,4 +220,4 @@
     "uint8ToHex": false,
     "withinRange": false
   }
-}
+}