add a map for redirects

README.md

@@ -30,6 +30,11 @@ can be overridden by using a numerical `order` frontmatter property. It is
 not necessary to order all pages in a section: Any pages in a section that
 don't have an `order` property will be relegated to the end of that section.
 
+## Redirects
+
+If you rename or remove a file, add it to [lib/redirects.js](lib/redirects.js) too keep
+things from breaking.
+
 ## Development
 
 Download node at [nodejs.org](http://nodejs.org) and install it, if you haven't already.

index.js

@@ -9,6 +9,7 @@ var isNumber = require("lodash").isNumber
 var sortBy = require("lodash").sortBy
 var any = require("lodash").any
 var suggest = require(__dirname + "/lib/suggestions")
+var redirects = require(__dirname + "/lib/redirects")
 
 // Load section and page data
 var content = require(path.resolve(__dirname, "content.json"))
@@ -81,6 +82,11 @@ app.get("/all", function(req, res) {
 })
 
 app.get("/*", function(req, res) {
+
+  if (req.path in redirects) {
+    return res.redirect(301, redirects[req.path])
+  }
+
   var page = find(content.pages, function(page) {
     return page.href === req.path
   })

lib/redirects.js

@@ -0,0 +1,3 @@
+module.exports = {
+  "/enterprise/whitelist": "/enterprise/mirroring",
+}

test/server.js

@@ -64,3 +64,13 @@ describe('GET /cli/nonexistent', function() {
       })
   })
 })
+
+describe('redirects', function() {
+
+  it('301s whitelist to mirroring', function(done) {
+    supertest(app)
+      .get('/enterprise/whitelist')
+      .expect('Location', /\/enterprise\/mirroring/)
+      .expect(301, done)
+  })
+})