diff --git a/.gitignore b/.gitignore
index ae80291..e05764e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,9 @@
 # dependencies
 node_modules/
 
+# coverage
+.coverage/
+
 # local env files
 .env.local
 .env.*.local
diff --git a/local/config/src/vitest.js b/local/config/src/vitest.js
index 511896a..9a0b86f 100644
--- a/local/config/src/vitest.js
+++ b/local/config/src/vitest.js
@@ -5,5 +5,9 @@ module.exports = defineConfig({
   test: {
     setupFiles: resolve(__dirname, 'vitest.setup.js'),
     environment: 'jsdom',
+    include: ['test/**/*.test.{js,mjs,cjs,ts,mts,cts,jsx,tsx}'],
+    coverage: {
+      reportsDirectory: './.coverage',
+    },
   },
 });
diff --git a/package-lock.json b/package-lock.json
index 249f065..7216543 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,6 +30,8 @@
         "@types/jest": "^28.1.6",
         "@typescript-eslint/eslint-plugin": "^5.31.0",
         "@typescript-eslint/parser": "^5.31.0",
+        "@vitest/coverage-c8": "^0.24.3",
+        "@vitest/coverage-istanbul": "^0.24.3",
         "esbuild": "^0.15.10",
         "eslint": "^8.20.0",
         "eslint-config-airbnb": "^19.0.4",
@@ -57,24 +59,28 @@
         "should": "^13.2.3",
         "tslib": "^2.4.0",
         "typescript": "^4.7.4",
-        "vite": "^3.0.0",
+        "vite": "^3.1.0",
         "vitest": "^0.24.3",
         "webpack": "^5.74.0"
       }
     },
     "local/browser-testing": {
+      "name": "@~local/browser-testing",
       "version": "0.0.0",
       "dev": true,
       "hasInstallScript": true
     },
     "local/config": {
+      "name": "@~local/config",
       "version": "0.0.0",
       "dev": true
     },
     "local/esbuild": {
+      "name": "@~local/esbuild",
       "dev": true
     },
     "local/full-coverage": {
+      "name": "@~local/full-coverage",
       "version": "0.0.0",
       "dev": true,
       "dependencies": {
@@ -85,6 +91,7 @@
       }
     },
     "local/playwright-tooling": {
+      "name": "@~local/playwright-tooling",
       "version": "0.0.0",
       "dev": true,
       "bin": {
@@ -92,6 +99,7 @@
       }
     },
     "local/rollup": {
+      "name": "@~local/rollup",
       "version": "0.0.0",
       "dev": true,
       "dependencies": {
@@ -137,12 +145,14 @@
       }
     },
     "local/tailwind": {
+      "name": "@~local/tailwind",
       "dev": true,
       "devDependencies": {
         "@tailwindcss/typography": "^0.5.7"
       }
     },
     "local/tsconfig": {
+      "name": "@~local/tsconfig",
       "version": "0.0.0",
       "dev": true
     },
@@ -5935,6 +5945,37 @@
         "vue": "^3.2.25"
       }
     },
+    "node_modules/@vitest/coverage-c8": {
+      "version": "0.24.3",
+      "resolved": "https://registry.npmjs.org/@vitest/coverage-c8/-/coverage-c8-0.24.3.tgz",
+      "integrity": "sha512-tAmMyHxWYnAwGeJb7QgTuEX8aLasTg4X1/6INobXa/7wYGEJ28CACFO5iLn1HzFVPoLvhsS3luQjiflGjjSMRQ==",
+      "dev": true,
+      "dependencies": {
+        "c8": "^7.12.0",
+        "vitest": "0.24.3"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      }
+    },
+    "node_modules/@vitest/coverage-istanbul": {
+      "version": "0.24.3",
+      "resolved": "https://registry.npmjs.org/@vitest/coverage-istanbul/-/coverage-istanbul-0.24.3.tgz",
+      "integrity": "sha512-cPQ5icP/TPih3qeZ29qA2zg1lxAM+wAUuh1ZkQJ75OK7am/8isqhP5QCCeGCLdFOakDsm4Ik8vHHfcDffuxW9Q==",
+      "dev": true,
+      "dependencies": {
+        "istanbul-lib-coverage": "^3.2.0",
+        "istanbul-lib-instrument": "^5.2.1",
+        "istanbul-lib-report": "^3.0.0",
+        "istanbul-lib-source-maps": "^4.0.1",
+        "istanbul-reports": "^3.1.5",
+        "test-exclude": "^6.0.0",
+        "vitest": "0.24.3"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      }
+    },
     "node_modules/@volar/language-core": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/@volar/language-core/-/language-core-1.0.8.tgz",
@@ -7570,6 +7611,70 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/c8": {
+      "version": "7.12.0",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-7.12.0.tgz",
+      "integrity": "sha512-CtgQrHOkyxr5koX1wEUmN/5cfDa2ckbHRA4Gy5LAL0zaCFtVWJS5++n+w4/sr2GWGerBxgTjpKeDclk/Qk6W/A==",
+      "dev": true,
+      "dependencies": {
+        "@bcoe/v8-coverage": "^0.2.3",
+        "@istanbuljs/schema": "^0.1.3",
+        "find-up": "^5.0.0",
+        "foreground-child": "^2.0.0",
+        "istanbul-lib-coverage": "^3.2.0",
+        "istanbul-lib-report": "^3.0.0",
+        "istanbul-reports": "^3.1.4",
+        "rimraf": "^3.0.2",
+        "test-exclude": "^6.0.0",
+        "v8-to-istanbul": "^9.0.0",
+        "yargs": "^16.2.0",
+        "yargs-parser": "^20.2.9"
+      },
+      "bin": {
+        "c8": "bin/c8.js"
+      },
+      "engines": {
+        "node": ">=10.12.0"
+      }
+    },
+    "node_modules/c8/node_modules/cliui": {
+      "version": "7.0.4",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-7.0.4.tgz",
+      "integrity": "sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==",
+      "dev": true,
+      "dependencies": {
+        "string-width": "^4.2.0",
+        "strip-ansi": "^6.0.0",
+        "wrap-ansi": "^7.0.0"
+      }
+    },
+    "node_modules/c8/node_modules/yargs": {
+      "version": "16.2.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
+      "integrity": "sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==",
+      "dev": true,
+      "dependencies": {
+        "cliui": "^7.0.2",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "require-directory": "^2.1.1",
+        "string-width": "^4.2.0",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^20.2.2"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/c8/node_modules/yargs-parser": {
+      "version": "20.2.9",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.9.tgz",
+      "integrity": "sha512-y11nGElTIV+CT3Zv9t7VKl+Q3hTQoT9a1Qzezhhl6Rp21gJ/IVTW7Z3y9EWXhuUBC2Shnf+DX0antecpAwSP8w==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/cacache": {
       "version": "15.3.0",
       "resolved": "https://registry.npmjs.org/cacache/-/cacache-15.3.0.tgz",
@@ -35665,6 +35770,31 @@
       "dev": true,
       "requires": {}
     },
+    "@vitest/coverage-c8": {
+      "version": "0.24.3",
+      "resolved": "https://registry.npmjs.org/@vitest/coverage-c8/-/coverage-c8-0.24.3.tgz",
+      "integrity": "sha512-tAmMyHxWYnAwGeJb7QgTuEX8aLasTg4X1/6INobXa/7wYGEJ28CACFO5iLn1HzFVPoLvhsS3luQjiflGjjSMRQ==",
+      "dev": true,
+      "requires": {
+        "c8": "^7.12.0",
+        "vitest": "0.24.3"
+      }
+    },
+    "@vitest/coverage-istanbul": {
+      "version": "0.24.3",
+      "resolved": "https://registry.npmjs.org/@vitest/coverage-istanbul/-/coverage-istanbul-0.24.3.tgz",
+      "integrity": "sha512-cPQ5icP/TPih3qeZ29qA2zg1lxAM+wAUuh1ZkQJ75OK7am/8isqhP5QCCeGCLdFOakDsm4Ik8vHHfcDffuxW9Q==",
+      "dev": true,
+      "requires": {
+        "istanbul-lib-coverage": "^3.2.0",
+        "istanbul-lib-instrument": "^5.2.1",
+        "istanbul-lib-report": "^3.0.0",
+        "istanbul-lib-source-maps": "^4.0.1",
+        "istanbul-reports": "^3.1.5",
+        "test-exclude": "^6.0.0",
+        "vitest": "0.24.3"
+      }
+    },
     "@volar/language-core": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/@volar/language-core/-/language-core-1.0.8.tgz",
@@ -36972,6 +37102,60 @@
       "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
       "dev": true
     },
+    "c8": {
+      "version": "7.12.0",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-7.12.0.tgz",
+      "integrity": "sha512-CtgQrHOkyxr5koX1wEUmN/5cfDa2ckbHRA4Gy5LAL0zaCFtVWJS5++n+w4/sr2GWGerBxgTjpKeDclk/Qk6W/A==",
+      "dev": true,
+      "requires": {
+        "@bcoe/v8-coverage": "^0.2.3",
+        "@istanbuljs/schema": "^0.1.3",
+        "find-up": "^5.0.0",
+        "foreground-child": "^2.0.0",
+        "istanbul-lib-coverage": "^3.2.0",
+        "istanbul-lib-report": "^3.0.0",
+        "istanbul-reports": "^3.1.4",
+        "rimraf": "^3.0.2",
+        "test-exclude": "^6.0.0",
+        "v8-to-istanbul": "^9.0.0",
+        "yargs": "^16.2.0",
+        "yargs-parser": "^20.2.9"
+      },
+      "dependencies": {
+        "cliui": {
+          "version": "7.0.4",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-7.0.4.tgz",
+          "integrity": "sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==",
+          "dev": true,
+          "requires": {
+            "string-width": "^4.2.0",
+            "strip-ansi": "^6.0.0",
+            "wrap-ansi": "^7.0.0"
+          }
+        },
+        "yargs": {
+          "version": "16.2.0",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
+          "integrity": "sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==",
+          "dev": true,
+          "requires": {
+            "cliui": "^7.0.2",
+            "escalade": "^3.1.1",
+            "get-caller-file": "^2.0.5",
+            "require-directory": "^2.1.1",
+            "string-width": "^4.2.0",
+            "y18n": "^5.0.5",
+            "yargs-parser": "^20.2.2"
+          }
+        },
+        "yargs-parser": {
+          "version": "20.2.9",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.9.tgz",
+          "integrity": "sha512-y11nGElTIV+CT3Zv9t7VKl+Q3hTQoT9a1Qzezhhl6Rp21gJ/IVTW7Z3y9EWXhuUBC2Shnf+DX0antecpAwSP8w==",
+          "dev": true
+        }
+      }
+    },
     "cacache": {
       "version": "15.3.0",
       "resolved": "https://registry.npmjs.org/cacache/-/cacache-15.3.0.tgz",
diff --git a/package.json b/package.json
index 6ac62bf..5c73610 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,8 @@
     "@types/jest": "^28.1.6",
     "@typescript-eslint/eslint-plugin": "^5.31.0",
     "@typescript-eslint/parser": "^5.31.0",
+    "@vitest/coverage-c8": "^0.24.3",
+    "@vitest/coverage-istanbul": "^0.24.3",
     "esbuild": "^0.15.10",
     "eslint": "^8.20.0",
     "eslint-config-airbnb": "^19.0.4",
diff --git a/packages/overlayscrollbars-ngx/karma.conf.js b/packages/overlayscrollbars-ngx/karma.conf.js
index 16cc3e6..44b2b7f 100644
--- a/packages/overlayscrollbars-ngx/karma.conf.js
+++ b/packages/overlayscrollbars-ngx/karma.conf.js
@@ -28,7 +28,7 @@ module.exports = function (config) {
     coverageReporter: {
       dir: require('path').join(__dirname, './.coverage'),
       subdir: '.',
-      reporters: [{ type: 'html' }, { type: 'text-summary' }],
+      reporters: [{ type: 'json' }, { type: 'text' }],
     },
     reporters: ['progress', 'kjhtml'],
     port: 9876,
diff --git a/packages/overlayscrollbars-ngx/package.json b/packages/overlayscrollbars-ngx/package.json
index f589d5e..2e922d1 100644
--- a/packages/overlayscrollbars-ngx/package.json
+++ b/packages/overlayscrollbars-ngx/package.json
@@ -36,6 +36,6 @@
   },
   "scripts": {
     "build": "ng build overlayscrollbars-ngx",
-    "test": "ng test --watch=false --sourceMap=false --browsers=ChromeHeadless"
+    "test": "ng test --watch=false --sourceMap=false --browsers=ChromeHeadless --code-coverage"
   }
 }
diff --git a/packages/overlayscrollbars-react/package.json b/packages/overlayscrollbars-react/package.json
index a78055b..ccc1da0 100644
--- a/packages/overlayscrollbars-react/package.json
+++ b/packages/overlayscrollbars-react/package.json
@@ -34,6 +34,6 @@
     "build": "run-p build-js build-types",
     "build-js": "vite build",
     "build-types": "tsc --emitDeclarationOnly -p tsconfig.types.json",
-    "test": "vitest run"
+    "test": "vitest run --coverage"
   }
 }
diff --git a/packages/overlayscrollbars-svelte/package.json b/packages/overlayscrollbars-svelte/package.json
index b6f6e9b..5342f1b 100644
--- a/packages/overlayscrollbars-svelte/package.json
+++ b/packages/overlayscrollbars-svelte/package.json
@@ -2,13 +2,7 @@
   "name": "overlayscrollbars-svelte",
   "private": true,
   "version": "0.4.0",
-  "scripts": {
-    "build": "svelte-kit sync && svelte-package",
-    "test": "vitest run --environment jsdom",
-    "prepublishOnly": "echo 'Did you mean to publish `./package/`, instead of `./`?' && exit 1",
-    "check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
-    "check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch"
-  },
+  "type": "module",
   "peerDependencies": {
     "svelte": "^3.44.0"
   },
@@ -24,5 +18,11 @@
     "tslib": "^2.3.1",
     "typescript": "^4.7.4"
   },
-  "type": "module"
+  "scripts": {
+    "build": "svelte-kit sync && svelte-package",
+    "test": "vitest run --coverage",
+    "prepublishOnly": "echo 'Did you mean to publish `./package/`, instead of `./`?' && exit 1",
+    "check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
+    "check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch"
+  }
 }
diff --git a/packages/overlayscrollbars-svelte/src/index.ts b/packages/overlayscrollbars-svelte/src/overlayscrollbars-svelte.ts
similarity index 100%
rename from packages/overlayscrollbars-svelte/src/index.ts
rename to packages/overlayscrollbars-svelte/src/overlayscrollbars-svelte.ts
diff --git a/packages/overlayscrollbars-svelte/test/OverlayScrollbarsComponent.test.ts b/packages/overlayscrollbars-svelte/test/OverlayScrollbarsComponent.test.ts
index 88d49c4..bdbd09b 100644
--- a/packages/overlayscrollbars-svelte/test/OverlayScrollbarsComponent.test.ts
+++ b/packages/overlayscrollbars-svelte/test/OverlayScrollbarsComponent.test.ts
@@ -1,6 +1,6 @@
 import { describe, it, expect, afterEach } from 'vitest';
 import { cleanup, render } from '@testing-library/svelte';
-import OverlayScrollbarsComponent from '~/OverlayScrollbarsComponent.svelte';
+import { OverlayScrollbarsComponent } from '~/overlayscrollbars-svelte';
 
 describe('Hello.svelte', () => {
   // TODO: @testing-library/svelte claims to add this automatically but it doesn't work without explicit afterEach
diff --git a/packages/overlayscrollbars-vue/package.json b/packages/overlayscrollbars-vue/package.json
index 5bb45c7..a155736 100644
--- a/packages/overlayscrollbars-vue/package.json
+++ b/packages/overlayscrollbars-vue/package.json
@@ -34,7 +34,7 @@
   },
   "scripts": {
     "build": "run-p build-js build-types",
-    "test": "vitest run",
+    "test": "vitest run --coverage",
     "build-js": "vite build",
     "build-types": "vue-tsc --emitDeclarationOnly -p tsconfig.types.json --composite false"
   }
diff --git a/packages/overlayscrollbars-vue/test/overlayscrollbars.spec.ts b/packages/overlayscrollbars-vue/test/OverlayScrollbarsComponent.test.ts
similarity index 100%
rename from packages/overlayscrollbars-vue/test/overlayscrollbars.spec.ts
rename to packages/overlayscrollbars-vue/test/OverlayScrollbarsComponent.test.ts
diff --git a/packages/overlayscrollbars/.gitignore b/packages/overlayscrollbars/.gitignore
index c74ef1f..b2a3f9c 100644
--- a/packages/overlayscrollbars/.gitignore
+++ b/packages/overlayscrollbars/.gitignore
@@ -9,5 +9,3 @@
 # Node
 /node_modules
 
-# Miscellaneous
-/.coverage