Script for updating storybook screenshots (#30340)

* Script for updating storybook screenshots

Requires element-hq/element-modules#43

* Prettier

Author: dbkr

.storybook/main.ts

@@ -31,6 +31,9 @@ const config: StorybookConfig = {
             },
             // Needed for counterpart to work
             plugins: [nodePolyfills({ include: ["process", "util"] })],
+            server: {
+                allowedHosts: ["localhost", ".docker.internal"],
+            },
         });
     },
 };

package.json

@@ -69,7 +69,8 @@
         "storybook": "storybook dev -p 6007",
         "build-storybook": "storybook build",
         "test:storybook": "test-storybook --url http://localhost:6007/",
-        "test:storybook:ci": "concurrently -k -s first -n \"SB,TEST\" \"yarn storybook\" \"wait-on tcp:6007 && yarn test-storybook --url http://localhost:6007/ --ci --maxWorkers=2\""
+        "test:storybook:ci": "concurrently -k -s first -n \"SB,TEST\" \"yarn storybook --no-open\" \"wait-on tcp:6007 && yarn test-storybook --url http://localhost:6007/ --ci --maxWorkers=2\"",
+        "test:storybook:update": "playwright-screenshots --entrypoint yarn --with-node-modules && playwright-screenshots --entrypoint /work/node_modules/.bin/test-storybook --with-node-modules --url http://host.docker.internal:6007/ --updateSnapshot"
     },
     "resolutions": {
         "**/pretty-format/react-is": "19.1.0",