Use REACT_APP_ENDPOINT for BASE_URL env in vite

.env

@@ -13,6 +13,9 @@ REACT_APP_WEBSITE_NAME=PV Info
 REACT_APP_WEBSITE_DESC=EPICS Controls PV Info
 REACT_APP_VERSION=$npm_package_version
 
+# In PVInfo version 2.0.0, this env variable is used instead of the full PUBLIC_URL env
+# It is no longer required to change the package.json homepage variable or pass PUBLIC_URL during npm run build
+# See the definition of "base" in vite.config.js for more details
 REACT_APP_ENDPOINT=/pvinfo
 REACT_APP_DOMAIN=localhost
 REACT_APP_HTTP_PROTOCOL=http

vite.config.js

@@ -1,4 +1,4 @@
-import { defineConfig } from "vite";
+import { defineConfig, loadEnv } from "vite";
 import react from "@vitejs/plugin-react";
 import envCompatible from "vite-plugin-env-compatible";
 import svgrPlugin from "vite-plugin-svgr";
@@ -8,7 +8,7 @@ import * as child from "child_process";
 // https://vitejs.dev/config/
 // https://stackoverflow.com/questions/71162040/how-to-insert-git-info-in-environment-variables-using-vite
 // https://stackoverflow.com/questions/70436753/how-to-add-commit-hash-into-reactjs-vite-config-js
-export default defineConfig(() => {
+export default defineConfig(({ command, mode }) => {
     const commitHash = child.execSync("git rev-parse --short HEAD").toString().trimEnd();
     const commitDate = child.execSync("git log -1 --format='%ad' --date=short --date=format:'%m/%d/%Y'").toString().trimEnd();
     const errString = "fatal: not a git repository (or any of the parent directories): .git"
@@ -21,6 +21,7 @@ export default defineConfig(() => {
         process.env.REACT_APP_GIT_SHORT_HASH = errStringShort;
         process.env.REACT_APP_GIT_COMMIT_DATE = errStringShort;
     }
+    const env = loadEnv(mode, process.cwd(), '')
 
     return {
         envPrefix: 'REACT_APP_',
@@ -29,6 +30,7 @@ export default defineConfig(() => {
         build: {
             outDir: "build",
         },
+        base: env.REACT_APP_ENDPOINT,
         plugins: [
             react(),
             envCompatible(),