add support for github pages

Author: ste-xx

.github/workflows/static.yml

@@ -0,0 +1,61 @@
+# Simple workflow for deploying static content to GitHub Pages
+name: Deploy static content to Pages
+
+on:
+  # Runs on pushes targeting the default branch
+  push:
+    branches: ["master"]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  # Single deploy job since we're just deploying
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v5
+
+      - name: Use Node.js 16
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16
+          cache: 'yarn'
+
+      - id: env
+        run: echo "repo-name=${GITHUB_REPOSITORY#$GITHUB_REPOSITORY_OWNER/}" >> $GITHUB_OUTPUT
+
+      - run: yarn install --frozen-lockfile
+      - run: yarn lint
+      - run: yarn test
+      - run: yarn build-prod
+        env:
+          WEBPACK_PUBLIC_PATH: "/${{ steps.env.outputs.repo-name }}"
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: 'dist/'
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

src/BrowserApp.tsx

@@ -1,9 +1,10 @@
 import React from 'react';
 import { BrowserRouter } from 'react-router-dom';
 import { SchemaApp } from './SchemaApp'
+import { getBasename } from './basename'
 
 export const App: React.FC = () => (
-   <BrowserRouter>
+   <BrowserRouter basename={getBasename() !== "" ? getBasename() : undefined}>
       <SchemaApp />
    </BrowserRouter>
 )

src/basename.ts

@@ -0,0 +1,4 @@
+export const getBasename = () => {
+    const pathname =  new URL(document.baseURI).pathname;
+    return pathname.endsWith("/") ? pathname.slice(0, -1) : pathname;
+  }

webpack.common.js

@@ -35,7 +35,7 @@ module.exports = {
     new HtmlWebpackPlugin({
       title: 'JSON Schema Viewer',
       template: 'index.html',
-      publicPath: '/',
+      publicPath: process.env.WEBPACK_PUBLIC_PATH ?? '/',
       filename: 'index.html'
     }),
     new CspHtmlWebpackPlugin({
@@ -51,7 +51,7 @@ module.exports = {
     }),
     new FaviconsWebpackPlugin({
       logo: './src/logo.svg',
-      publicPath: '/',
+      publicPath: process.env.WEBPACK_PUBLIC_PATH ?? '/',
       prefix: 'auto/[contenthash]'
     })
   ]