Case sensitive routes

packages/react-router/modules/__tests__/matchPath-test.js

@@ -33,6 +33,27 @@ describe('matchPath', () => {
     })
   })
 
+  describe('with sensitive path', () => {
+    it('returns non-sensitive url', () => {
+      const options = {
+        path: '/SomeWhere',
+      }
+      const pathname = '/somewhere'
+      const match = matchPath(pathname, options)
+      expect(match.url).toBe('/somewhere')
+    })
+
+    it('returns sensitive url', () => {
+      const options = {
+        path: '/SomeWhere',
+        sensitive: true
+      }
+      const pathname = '/somewhere'
+      const match = matchPath(pathname, options)
+      expect(match).toBe(null)
+    })
+  })
+
   describe('with no path', () => {
     it('matches the root URL', () => {
       const match = matchPath('/test-location/7', {})

packages/react-router/modules/matchPath.js

@@ -5,7 +5,7 @@ const cacheLimit = 10000
 let cacheCount = 0
 
 const compilePath = (pattern, options) => {
-  const cacheKey = `${options.end}${options.strict}`
+  const cacheKey = `${options.end}${options.strict}${options.sensitive}`
   const cache = patternCache[cacheKey] || (patternCache[cacheKey] = {})
 
   if (cache[pattern])
@@ -30,8 +30,8 @@ const matchPath = (pathname, options = {}) => {
   if (typeof options === 'string')
     options = { path: options }
 
-  const { path = '/', exact = false, strict = false } = options
-  const { re, keys } = compilePath(path, { end: exact, strict })
+  const { path = '/', exact = false, strict = false, sensitive = false } = options
+  const { re, keys } = compilePath(path, { end: exact, strict, sensitive })
   const match = re.exec(pathname)
 
   if (!match)