feat: accept overflow size in overflow property (#58)

* feat: accept overflow size

* docs: specify overflow size in docs

* feat: accept object

* chore: remove unnecessary eslint rule

* chore: improve type declarations

* fix: hit test not working correctly

* refactor: use object as the internal representation for overflow

* feat: consider overflow values in hit test

* test: add tests

* ci: add CI script for test

* refactor: make isRectInViewport testable

* fix: add missing overflow size

* fix: all elements are being rendered in the initial state

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: Test
+
+on:
+    push:
+        branches:
+            - main
+    pull_request:
+
+jobs:
+    test:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Setup Node
+              uses: actions/setup-node@v3
+              with:
+                  node-version: "20"
+                  cache: "npm"
+                  cache-dependency-path: "**/package-lock.json"
+
+            - name: Install dependencies
+              run: npm ci
+
+            - name: Test
+              run: npm test