Improve website DX sightly (#17940)

Co-authored-by: fisker <lionkay@gmail.com>

package.json

@@ -189,6 +189,7 @@
     "fix:prettier": "yarn lint:prettier --write",
     "build": "node ./scripts/build/build.js",
     "build:website": "node ./scripts/build-website.js",
+    "build:website:pr": "cross-env PULL_REQUEST=true yarn build:website",
     "gen:changelog": "node ./scripts/generate-changelog.js",
     "debug": "node bin/prettier.js --ignore-path=.prettierignore --plugin=./packages/plugin-oxc/index.js --plugin=./packages/plugin-hermes/index.js",
     "debug:watch": "node --watch bin/prettier.js --ignore-path=.prettierignore --plugin=./packages/plugin-oxc/index.js --plugin=./packages/plugin-hermes/index.js",

website/README.md

@@ -11,7 +11,7 @@ https://prettier.io/
    yarn build:website
    ```
 
-   To build for the current branch, use `PULL_REQUEST=true yarn build:website`. Otherwise, a release version of Prettier from `node_modules` is used.
+   To build for the current branch, use `yarn build:website:pr`. Otherwise, a release version of Prettier from `node_modules` is used.
 
 2. Switch to the `website` directory and start the development server:
 

website/scripts/update-stable-docs.mjs

@@ -18,6 +18,8 @@ await fs.rm(STABLE_DOCS_DIRECTORY, { recursive: true, force: true });
 await fs.mkdir(STABLE_DOCS_DIRECTORY, { recursive: true, force: true });
 await fs.cp(CURRENT_DOCS_DIRECTORY, STABLE_DOCS_DIRECTORY, { recursive: true });
 
+// PRETTIER_VERSION when PULL_REQUEST exists is a temporary one
+if (process.env.PULL_REQUEST !== "true") {
   // Replace version placeholders
   await Promise.all(
     ["browser.md"].map(async (file) => {
@@ -25,6 +27,7 @@ await Promise.all(
       await replaceVersionPlaceholder(file, version);
     }),
   );
+}
 
 async function getPrettierVersion() {
   const version = process.env.PRETTIER_VERSION;