fix(gatsby): Adapter header rules

packages/gatsby/index.d.ts

@@ -42,6 +42,7 @@ export {
   IRedirectRoute,
   IFunctionDefinition,
   RoutesManifest,
+  HeaderRoutes,
   FunctionsManifest,
   IAdapterConfig,
 } from "./dist/utils/adapter/types"

packages/gatsby/src/utils/adapter/__tests__/__snapshots__/manager.ts.snap

@@ -322,3 +322,110 @@ Array [
   },
 ]
 `;
+
+exports[`getRoutesManifest should return routes manifest 2`] = `
+Array [
+  Object {
+    "headers": Array [
+      Object {
+        "key": "x-xss-protection",
+        "value": "1; mode=block",
+      },
+      Object {
+        "key": "x-content-type-options",
+        "value": "nosniff",
+      },
+      Object {
+        "key": "referrer-policy",
+        "value": "same-origin",
+      },
+      Object {
+        "key": "x-frame-options",
+        "value": "DENY",
+      },
+    ],
+    "path": "/*",
+  },
+  Object {
+    "headers": Array [
+      Object {
+        "key": "cache-control",
+        "value": "public, max-age=31536000, immutable",
+      },
+    ],
+    "path": "/static/*",
+  },
+  Object {
+    "headers": Array [
+      Object {
+        "key": "cache-control",
+        "value": "public, max-age=0, must-revalidate",
+      },
+    ],
+    "path": "/",
+  },
+  Object {
+    "headers": Array [
+      Object {
+        "key": "cache-control",
+        "value": "public, max-age=0, must-revalidate",
+      },
+    ],
+    "path": "/page-data/index/page-data.json",
+  },
+  Object {
+    "headers": Array [
+      Object {
+        "key": "cache-control",
+        "value": "public, max-age=0, must-revalidate",
+      },
+    ],
+    "path": "/page-data/sq/d/1.json",
+  },
+  Object {
+    "headers": Array [
+      Object {
+        "key": "cache-control",
+        "value": "public, max-age=0, must-revalidate",
+      },
+    ],
+    "path": "/page-data/app-data.json",
+  },
+  Object {
+    "headers": Array [
+      Object {
+        "key": "cache-control",
+        "value": "public, max-age=31536000, immutable",
+      },
+    ],
+    "path": "/app-123.js",
+  },
+  Object {
+    "headers": Array [
+      Object {
+        "key": "cache-control",
+        "value": "public, max-age=0, must-revalidate",
+      },
+    ],
+    "path": "/chunk-map.json",
+  },
+  Object {
+    "headers": Array [
+      Object {
+        "key": "cache-control",
+        "value": "public, max-age=0, must-revalidate",
+      },
+    ],
+    "path": "/webpack.stats.json",
+  },
+  Object {
+    "headers": Array [
+      Object {
+        "key": "cache-control",
+        "value": "public, max-age=0, must-revalidate",
+      },
+    ],
+    "path": "/_gatsby/slices/_gatsby-scripts-1.html",
+  },
+]
+`;

packages/gatsby/src/utils/adapter/__tests__/manager.ts

@@ -50,9 +50,11 @@ describe(`getRoutesManifest`, () => {
     process.chdir(fixturesDir)
     setWebpackAssets(new Set([`app-123.js`]))
 
-    const routesManifest = getRoutesManifest()
+    const { routes: routesManifest, headers: headerRoutes } =
+      getRoutesManifest()
 
     expect(routesManifest).toMatchSnapshot()
+    expect(headerRoutes).toMatchSnapshot()
   })
 
   it(`should respect "never" trailingSlash config option`, () => {
@@ -62,7 +64,7 @@ describe(`getRoutesManifest`, () => {
     process.chdir(fixturesDir)
     setWebpackAssets(new Set([`app-123.js`]))
 
-    const routesManifest = getRoutesManifest()
+    const { routes: routesManifest } = getRoutesManifest()
 
     expect(routesManifest).toEqual(
       expect.arrayContaining([
@@ -81,7 +83,7 @@ describe(`getRoutesManifest`, () => {
     process.chdir(fixturesDir)
     setWebpackAssets(new Set([`app-123.js`]))
 
-    const routesManifest = getRoutesManifest()
+    const { routes: routesManifest } = getRoutesManifest()
 
     expect(routesManifest).toEqual(
       expect.arrayContaining([
@@ -98,14 +100,87 @@ describe(`getRoutesManifest`, () => {
     process.chdir(fixturesDir)
     setWebpackAssets(new Set([`app-123.js`]))
 
-    const routesManifest = getRoutesManifest()
-    expect(routesManifest).toEqual(
+    const { routes } = getRoutesManifest()
+    expect(routes).toEqual(
       expect.arrayContaining([
         expect.objectContaining({ path: `https://old-url` }),
         expect.objectContaining({ path: `http://old-url` }),
       ])
     )
   })
+
+  it(`should return header rules`, () => {
+    mockStoreState(stateDefault, {
+      config: {
+        ...stateDefault.config,
+        headers: [
+          {
+            source: `/ssr/*`,
+            headers: [
+              {
+                key: `x-ssr-header`,
+                value: `my custom header value from config`,
+              },
+            ],
+          },
+        ],
+      },
+    })
+    process.chdir(fixturesDir)
+    setWebpackAssets(new Set([`app-123.js`, `static/app-456.js`]))
+
+    const { headers } = getRoutesManifest()
+
+    expect(headers).toContainEqual({
+      headers: [
+        { key: `x-xss-protection`, value: `1; mode=block` },
+        { key: `x-content-type-options`, value: `nosniff` },
+        { key: `referrer-policy`, value: `same-origin` },
+        { key: `x-frame-options`, value: `DENY` },
+      ],
+      path: `/*`,
+    })
+    expect(headers).toContainEqual({
+      headers: [
+        {
+          key: `cache-control`,
+          value: `public, max-age=31536000, immutable`,
+        },
+      ],
+      path: `/static/*`,
+    })
+    expect(headers).toContainEqual({
+      headers: [
+        {
+          key: `cache-control`,
+          value: `public, max-age=0, must-revalidate`,
+        },
+      ],
+      path: `/page-data/index/page-data.json`,
+    })
+    expect(headers).toContainEqual({
+      headers: [
+        {
+          key: `cache-control`,
+          value: `public, max-age=31536000, immutable`,
+        },
+      ],
+      path: `/app-123.js`,
+    })
+    expect(headers).not.toContainEqual({
+      headers: [
+        { key: `x-xss-protection`, value: `1; mode=block` },
+        { key: `x-content-type-options`, value: `nosniff` },
+        { key: `referrer-policy`, value: `same-origin` },
+        { key: `x-frame-options`, value: `DENY` },
+      ],
+      path: `/ssr/*`,
+    })
+
+    expect(headers).not.toContain(
+      expect.objectContaining({ path: `/static/app-456.js` })
+    )
+  })
 })
 
 describe(`getFunctionsManifest`, () => {

packages/gatsby/src/utils/adapter/constants.ts

@@ -27,10 +27,14 @@ export const MUST_REVALIDATE_HEADERS: IHeader["headers"] = [
   ...BASE_HEADERS,
 ]
 
-export const PERMAMENT_CACHING_HEADERS: IHeader["headers"] = [
+export const PERMANENT_CACHE_CONTROL_HEADER: IHeader["headers"] = [
   {
     key: `cache-control`,
     value: `public, max-age=31536000, immutable`,
   },
+]
+
+export const PERMAMENT_CACHING_HEADERS: IHeader["headers"] = [
+  ...PERMANENT_CACHE_CONTROL_HEADER,
   ...BASE_HEADERS,
 ]