diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
new file mode 100644
index 0000000..a924752
--- /dev/null
+++ b/.github/workflows/run-tests.yml
@@ -0,0 +1,27 @@
+name: Node.js CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [14.x]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm ci
+      - run: npm run doc
+      - run: npm run build
+      - run: npm test
diff --git a/docs/README.md b/docs/README.md
index 2124baa..e3c6c0a 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -22,7 +22,7 @@
 
 ▸ `Const`**computeShadows**(`bounds`: [Bounds](interfaces/bounds.md), `walls`: [Segment2](interfaces/segment2.md)[], `light`: [Vec2](interfaces/vec2.md)): [Vec2](interfaces/vec2.md)[][]
 
-*Defined in [computeShadows.ts:39](https://github.com/MD4/shadowed/blob/3f8192d/src/computeShadows.ts#L39)*
+*Defined in [computeShadows.ts:39](https://github.com/MD4/shadowed/blob/3438083/src/computeShadows.ts#L39)*
 
 Computes casted shadows by a light for a given set of walls within specified bounds.
 
diff --git a/docs/interfaces/bounds.md b/docs/interfaces/bounds.md
index 76fae23..2971ea4 100644
--- a/docs/interfaces/bounds.md
+++ b/docs/interfaces/bounds.md
@@ -21,7 +21,7 @@
 
 •  **bottomRight**: [Vec2](vec2.md)
 
-*Defined in [entities.ts:8](https://github.com/MD4/shadowed/blob/3f8192d/src/entities.ts#L8)*
+*Defined in [entities.ts:8](https://github.com/MD4/shadowed/blob/3438083/src/entities.ts#L8)*
 
 ___
 
@@ -29,4 +29,4 @@ ___
 
 •  **topLeft**: [Vec2](vec2.md)
 
-*Defined in [entities.ts:7](https://github.com/MD4/shadowed/blob/3f8192d/src/entities.ts#L7)*
+*Defined in [entities.ts:7](https://github.com/MD4/shadowed/blob/3438083/src/entities.ts#L7)*
diff --git a/docs/interfaces/segment2.md b/docs/interfaces/segment2.md
index 46858af..fd84ede 100644
--- a/docs/interfaces/segment2.md
+++ b/docs/interfaces/segment2.md
@@ -21,7 +21,7 @@
 
 •  **a**: [Vec2](vec2.md)
 
-*Defined in [entities.ts:12](https://github.com/MD4/shadowed/blob/3f8192d/src/entities.ts#L12)*
+*Defined in [entities.ts:12](https://github.com/MD4/shadowed/blob/3438083/src/entities.ts#L12)*
 
 ___
 
@@ -29,4 +29,4 @@ ___
 
 •  **b**: [Vec2](vec2.md)
 
-*Defined in [entities.ts:13](https://github.com/MD4/shadowed/blob/3f8192d/src/entities.ts#L13)*
+*Defined in [entities.ts:13](https://github.com/MD4/shadowed/blob/3438083/src/entities.ts#L13)*
diff --git a/docs/interfaces/vec2.md b/docs/interfaces/vec2.md
index 86ae506..50451f0 100644
--- a/docs/interfaces/vec2.md
+++ b/docs/interfaces/vec2.md
@@ -21,7 +21,7 @@
 
 •  **x**: number
 
-*Defined in [entities.ts:2](https://github.com/MD4/shadowed/blob/3f8192d/src/entities.ts#L2)*
+*Defined in [entities.ts:2](https://github.com/MD4/shadowed/blob/3438083/src/entities.ts#L2)*
 
 ___
 
@@ -29,4 +29,4 @@ ___
 
 •  **y**: number
 
-*Defined in [entities.ts:3](https://github.com/MD4/shadowed/blob/3f8192d/src/entities.ts#L3)*
+*Defined in [entities.ts:3](https://github.com/MD4/shadowed/blob/3438083/src/entities.ts#L3)*