fix: hash params without values (#441)

* fix: remove undefined value from hash params without value on reset

* fix: eslintrc and prettier configuration

* Fix errors of eslintrc file
* Add necessary eslint plugins
* Add prettier plugin

* chore: review updates

Replace negation with affirmation

.eslintrc.js

@@ -14,14 +14,20 @@ module.exports = {
     },
     {
       files: ["*.ts", "*.tsx"],
+      globals: {
+        JSX: true,
+      },
       parser: "@typescript-eslint/parser",
       plugins: ["@typescript-eslint"],
       parserOptions: {
         ecmaFeatures: { jsx: true },
         ecmaVersion: 2020,
         sourceType: "module",
       },
-      rules: {},
+      rules: {
+        "no-unused-vars": "off",
+        "@typescript-eslint/no-unused-vars": "error",
+      },
     },
   ],
   parser: "babel-eslint",
@@ -37,6 +43,5 @@ module.exports = {
     "react/prop-types": [0],
     "react-hooks/rules-of-hooks": "error",
     "react/display-name": 0,
-  },
-  types: ["node", "jest", "@testing-library/jest-dom"],
+  }
 }

package.json

@@ -100,11 +100,15 @@
     "canvas": "^2.6.0",
     "cpx": "^1.5.0",
     "eslint-config-airbnb": "^18.0.1",
+    "eslint-config-prettier": "^6.3.0",
+    "eslint-plugin-jest-dom": "^3.9.0",
+    "eslint-plugin-prettier": "^3.1.0",
     "eslint-plugin-react-hooks": "^2.0.1",
     "eslint-plugin-testing-library": "^5.0.5",
     "install-peers-cli": "^2.2.0",
     "jest-environment-jsdom-fourteen": "^0.1.0",
     "node-sass": "^4.14.1",
+    "prettier": "^1.19.1",
     "svg-sprite-loader": "^4.2.1",
     "svgo": "^1.3.2",
     "svgo-loader": "^2.2.1",

src/utils/hash-utils.ts

@@ -28,7 +28,7 @@ export const makeHashFromObject = (params: { [paramKey: string]: string }) => {
     return ""
   }
   return entries
-    .map(([key, value]) => `${key}=${encodeURIComponent(value)}`)
+    .map(([key, value]) => (value === undefined ? key : `${key}=${encodeURIComponent(value)}`))
     .join(fragmentParamsSeparator)
 }