feat(gatsby): ignore case option in create redirect

e2e-tests/production-runtime/cypress/integration/redirects.js

@@ -0,0 +1,12 @@
+describe(`Redirects`, () => {
+  it(`are case insensitive when ignoreCase is set to true`, () => {
+    cy.visit(`/Longue-PAGE`, { failOnStatusCode: false }).waitForRouteChange()
+
+    cy.get(`h1`).invoke(`text`).should(`contain`, `Hi from the long page`)
+  })
+  it(`are case sensitive when ignoreCase is set to false`, () => {
+    cy.visit(`/PAGINA-larga`, { failOnStatusCode: false }).waitForRouteChange()
+
+    cy.get(`h1`).invoke(`text`).should(`contain`, `NOT FOUND`)
+  })
+})

e2e-tests/production-runtime/gatsby-node.js

@@ -36,7 +36,7 @@ exports.sourceNodes = ({ actions, createNodeId }) => {
   })
 }
 
-exports.createPages = ({ actions: { createPage } }) => {
+exports.createPages = ({ actions: { createPage, createRedirect } }) => {
   createPage({
     path: `/안녕`,
     component: path.resolve(`src/pages/page-2.js`),
@@ -124,6 +124,22 @@ exports.createPages = ({ actions: { createPage } }) => {
     path: `/page-from-cache/`,
     component: path.resolve(`./.cache/static-page-from-cache.js`),
   })
+
+  createRedirect({
+    fromPath: "/pagina-larga",
+    toPath: "/long-page",
+    isPermanent: true,
+    redirectInBrowser: true,
+    ignoreCase: false,
+  })
+
+  createRedirect({
+    fromPath: "/Longue-Page",
+    toPath: "/long-page",
+    isPermanent: true,
+    redirectInBrowser: true,
+    ignoreCase: true,
+  })
 }
 
 exports.onCreatePage = ({ page, actions }) => {

packages/gatsby/cache-dir/navigation.js

@@ -10,13 +10,23 @@ import { globalHistory } from "@reach/router/lib/history"
 import { parsePath } from "gatsby-link"
 
 // Convert to a map for faster lookup in maybeRedirect()
-const redirectMap = redirects.reduce((map, redirect) => {
-  map[redirect.fromPath] = redirect
-  return map
-}, {})
+
+const redirectMap = new Map()
+const redirectIgnoreCaseMap = new Map()
+
+redirects.forEach(redirect => {
+  if (redirect.ignoreCase) {
+    redirectIgnoreCaseMap.set(redirect.fromPath, redirect)
+  } else {
+    redirectMap.set(redirect.fromPath, redirect)
+  }
+})
 
 function maybeRedirect(pathname) {
-  const redirect = redirectMap[pathname]
+  let redirect = redirectMap.get(pathname)
+  if (!redirect) {
+    redirect = redirectIgnoreCaseMap.get(pathname.toLowerCase())
+  }
 
   if (redirect != null) {
     if (process.env.NODE_ENV !== `production`) {
@@ -62,7 +72,10 @@ const navigate = (to, options = {}) => {
   }
 
   let { pathname } = parsePath(to)
-  const redirect = redirectMap[pathname]
+  let redirect = redirectMap.get(pathname)
+  if (!redirect) {
+    redirect = redirectIgnoreCaseMap.get(pathname.toLowerCase())
+  }
 
   // If we're redirecting, just replace the passed in pathname
   // to the one we want to redirect to.

packages/gatsby/index.d.ts

@@ -1256,6 +1256,7 @@ export interface Actions {
       redirectInBrowser?: boolean
       force?: boolean
       statusCode?: number
+      ignoreCase?: boolean
       [key: string]: unknown
     },
     plugin?: ActionPlugin

packages/gatsby/src/bootstrap/redirects-writer.ts

@@ -16,7 +16,15 @@ export const writeRedirects = async (): Promise<void> => {
   const browserRedirects = redirects
     .filter(r => r.redirectInBrowser)
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
-    .map(({ redirectInBrowser, isPermanent, ...rest }) => rest)
+    .map(
+      ({ redirectInBrowser, isPermanent, ignoreCase, fromPath, ...rest }) => {
+        return {
+          fromPath: ignoreCase ? fromPath.toLowerCase() : fromPath,
+          ignoreCase,
+          ...rest,
+        }
+      }
+    )
 
   const newHash = crypto
     .createHash(`md5`)

packages/gatsby/src/redux/__tests__/__snapshots__/redirects.ts.snap

@@ -4,6 +4,7 @@ exports[`Add redirects allows you to add redirects 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/old/hello-world",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/new/hello-world",
@@ -16,6 +17,7 @@ exports[`Add redirects create redirects as permanent 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/old/hello-world",
+    "ignoreCase": false,
     "isPermanent": true,
     "redirectInBrowser": false,
     "toPath": "/new/hello-world",
@@ -28,6 +30,7 @@ exports[`Add redirects creates redirects from the URL starts with // 1`] = `
 Object {
   "payload": Object {
     "fromPath": "//example.com",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/new/hello-world-2",
@@ -40,6 +43,7 @@ exports[`Add redirects creates redirects from the URL starts with ftp 1`] = `
 Object {
   "payload": Object {
     "fromPath": "ftp://example.com",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/new/hello-world-3",
@@ -52,6 +56,7 @@ exports[`Add redirects creates redirects from the URL starts with http 1`] = `
 Object {
   "payload": Object {
     "fromPath": "http://example.com",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/new/hello-world-1",
@@ -64,6 +69,7 @@ exports[`Add redirects creates redirects from the URL starts with https 1`] = `
 Object {
   "payload": Object {
     "fromPath": "https://example.com",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/new/hello-world-0",
@@ -76,6 +82,7 @@ exports[`Add redirects creates redirects from the URL starts with mailto 1`] = `
 Object {
   "payload": Object {
     "fromPath": "mailto:[email protected]",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/new/hello-world-4",
@@ -88,6 +95,7 @@ exports[`Add redirects creates redirects to the URL starts with // 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/old/hello-world-2",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "//example.com",
@@ -100,6 +108,7 @@ exports[`Add redirects creates redirects to the URL starts with ftp 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/old/hello-world-3",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "ftp://example.com",
@@ -112,6 +121,7 @@ exports[`Add redirects creates redirects to the URL starts with http 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/old/hello-world-1",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "http://example.com",
@@ -124,6 +134,7 @@ exports[`Add redirects creates redirects to the URL starts with https 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/old/hello-world-0",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "https://example.com",
@@ -136,6 +147,7 @@ exports[`Add redirects creates redirects to the URL starts with mailto 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/old/hello-world-4",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "mailto:[email protected]",
@@ -148,6 +160,7 @@ exports[`Add redirects creates redirects with in-browser redirect option 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/old/hello-world",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": true,
     "toPath": "/new/hello-world",
@@ -160,6 +173,7 @@ exports[`Add redirects with path prefixs allows you to add redirects 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/blog/old/hello-world",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/blog/new/hello-world",
@@ -172,6 +186,7 @@ exports[`Add redirects with path prefixs create redirects as permanent 1`] = `
 Object {
   "payload": Object {
     "fromPath": "/blog/old/hello-world",
+    "ignoreCase": false,
     "isPermanent": true,
     "redirectInBrowser": false,
     "toPath": "/blog/new/hello-world",
@@ -184,6 +199,7 @@ exports[`Add redirects with path prefixs creates redirects from the URL starts w
 Object {
   "payload": Object {
     "fromPath": "//example.com",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/blog/new/hello-world-2",
@@ -196,6 +212,7 @@ exports[`Add redirects with path prefixs creates redirects from the URL starts w
 Object {
   "payload": Object {
     "fromPath": "ftp://example.com",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/blog/new/hello-world-3",
@@ -208,6 +225,7 @@ exports[`Add redirects with path prefixs creates redirects from the URL starts w
 Object {
   "payload": Object {
     "fromPath": "http://example.com",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/blog/new/hello-world-1",
@@ -220,6 +238,7 @@ exports[`Add redirects with path prefixs creates redirects from the URL starts w
 Object {
   "payload": Object {
     "fromPath": "https://example.com",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/blog/new/hello-world-0",
@@ -232,6 +251,7 @@ exports[`Add redirects with path prefixs creates redirects from the URL starts w
 Object {
   "payload": Object {
     "fromPath": "mailto:[email protected]",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "/blog/new/hello-world-4",
@@ -244,6 +264,7 @@ exports[`Add redirects with path prefixs creates redirects to the URL starts wit
 Object {
   "payload": Object {
     "fromPath": "/blog/old/hello-world-2",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "//example.com",
@@ -256,6 +277,7 @@ exports[`Add redirects with path prefixs creates redirects to the URL starts wit
 Object {
   "payload": Object {
     "fromPath": "/blog/old/hello-world-3",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "ftp://example.com",
@@ -268,6 +290,7 @@ exports[`Add redirects with path prefixs creates redirects to the URL starts wit
 Object {
   "payload": Object {
     "fromPath": "/blog/old/hello-world-1",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "http://example.com",
@@ -280,6 +303,7 @@ exports[`Add redirects with path prefixs creates redirects to the URL starts wit
 Object {
   "payload": Object {
     "fromPath": "/blog/old/hello-world-0",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "https://example.com",
@@ -292,6 +316,7 @@ exports[`Add redirects with path prefixs creates redirects to the URL starts wit
 Object {
   "payload": Object {
     "fromPath": "/blog/old/hello-world-4",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": false,
     "toPath": "mailto:[email protected]",
@@ -304,6 +329,7 @@ exports[`Add redirects with path prefixs creates redirects with in-browser redir
 Object {
   "payload": Object {
     "fromPath": "/blog/old/hello-world",
+    "ignoreCase": false,
     "isPermanent": false,
     "redirectInBrowser": true,
     "toPath": "/blog/new/hello-world",

packages/gatsby/src/redux/actions/public.js

@@ -1299,6 +1299,7 @@ const maybeAddPathPrefix = (path, pathPrefix) => {
  * @param {boolean} redirect.redirectInBrowser Redirects are generally for redirecting legacy URLs to their new configuration. If you can't update your UI for some reason, set `redirectInBrowser` to true and Gatsby will handle redirecting in the client as well.
  * @param {boolean} redirect.force (Plugin-specific) Will trigger the redirect even if the `fromPath` matches a piece of content. This is not part of the Gatsby API, but implemented by (some) plugins that configure hosting provider redirects
  * @param {number} redirect.statusCode (Plugin-specific) Manually set the HTTP status code. This allows you to create a rewrite (status code 200) or custom error page (status code 404). Note that this will override the `isPermanent` option which also sets the status code. This is not part of the Gatsby API, but implemented by (some) plugins that configure hosting provider redirects
+ * @param {boolean} redirect.ignoreCase (Plugin-specific) Ignore case when looking for redirects
  * @example
  * // Generally you create redirects while creating pages.
  * exports.createPages = ({ graphql, actions }) => {
@@ -1314,6 +1315,7 @@ actions.createRedirect = ({
   isPermanent = false,
   redirectInBrowser = false,
   toPath,
+  ignoreCase = false,
   ...rest
 }) => {
   let pathPrefix = ``
@@ -1326,6 +1328,7 @@ actions.createRedirect = ({
     payload: {
       fromPath: maybeAddPathPrefix(fromPath, pathPrefix),
       isPermanent,
+      ignoreCase,
       redirectInBrowser,
       toPath: maybeAddPathPrefix(toPath, pathPrefix),
       ...rest,