[Tests] run nyc on all tests; use tape runner

.eslintignore

@@ -1 +1,2 @@
-dist
+dist/
+coverage/

.eslintrc

@@ -17,5 +17,19 @@
         "no-magic-numbers": 0,
         "no-restricted-syntax": [2, "BreakStatement", "DebuggerStatement", "ForInStatement", "LabeledStatement", "WithStatement"],
         "operator-linebreak": [2, "before"],
-    }
+    },
+
+    "overrides": [
+        {
+            "files": "test/**",
+            "rules": {
+                "function-paren-newline": 0,
+                "max-lines-per-function": 0,
+                "max-statements": 0,
+                "no-buffer-constructor": 0,
+                "no-extend-native": 0,
+                "no-throw-literal": 0,
+            }
+        }
+    ]
 }

.gitignore

@@ -10,3 +10,7 @@ dist/*
 yarn.lock
 package-lock.json
 npm-shrinkwrap.json
+
+# coverage output
+coverage/
+.nyc_output/

.nycrc

@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"dist"
+	]
+}

lib/parse.js

@@ -140,7 +140,7 @@ var parseObject = function (chain, val, options, valuesParsed) {
             }
         }
 
-        leaf = obj; // eslint-disable-line no-param-reassign
+        leaf = obj;
     }
 
     return leaf;

package.json

@@ -34,14 +34,14 @@
         "@ljharb/eslint-config": "^17.1.0",
         "aud": "^1.1.2",
         "browserify": "^16.5.1",
-        "covert": "^1.1.1",
         "eclint": "^2.8.1",
         "eslint": "^7.3.0",
         "evalmd": "^0.0.19",
         "for-each": "^0.3.3",
         "has-symbols": "^1.0.1",
         "iconv-lite": "^0.5.1",
         "mkdirp": "^0.5.5",
+        "nyc": "^10.3.2",
         "object-inspect": "^1.8.0",
         "qs-iconv": "^1.0.4",
         "safe-publish-latest": "^1.1.4",
@@ -51,13 +51,12 @@
     "scripts": {
         "prepublish": "safe-publish-latest && npm run dist",
         "pretest": "npm run --silent readme && npm run --silent lint",
-        "test": "npm run --silent coverage",
-        "tests-only": "node test",
-        "posttest": "npx aud --production",
+        "test": "npm run tests-only",
+        "tests-only": "nyc tape 'test/**/*.js'",
+        "posttest": "aud --production",
         "readme": "evalmd README.md",
         "postlint": "eclint check * lib/* test/*",
         "lint": "eslint lib/*.js test/*.js",
-        "coverage": "covert test",
         "dist": "mkdirp dist && browserify --standalone Qs lib/index.js > dist/qs.js"
     },
     "license": "BSD-3-Clause",