fixed changeset urls without slash at the end

scm-ui-components/packages/ui-components/src/urls.js

@@ -5,6 +5,21 @@ export function withContextPath(path: string) {
   return contextPath + path;
 }
 
+export function withEndingSlash(url: string) {
+  if (url.endsWith("/")) {
+    return url;
+  }
+  return url + "/";
+}
+
+export function concat(base: string, ...parts: string) {
+  let url = base;
+  for ( let p of parts) {
+    url = withEndingSlash(url) + p;
+  }
+  return url;
+}
+
 export function getPageFromMatch(match: any) {
   let page = parseInt(match.params.page, 10);
   if (isNaN(page) || !page) {

scm-ui-components/packages/ui-components/src/urls.test.js

@@ -1,5 +1,27 @@
 // @flow
-import { getPageFromMatch } from "./urls";
+import { concat, getPageFromMatch, withEndingSlash } from "./urls";
+
+describe("tests for withEndingSlash", () => {
+
+  it("should append missing slash", () => {
+    expect(withEndingSlash("abc")).toBe("abc/");
+  });
+
+  it("should not append a second slash", () => {
+    expect(withEndingSlash("abc/")).toBe("abc/");
+  });
+
+});
+
+describe("concat tests", () => {
+
+  it("should concat the parts to a single url", () => {
+    expect(concat("a")).toBe("a");
+    expect(concat("a", "b")).toBe("a/b");
+    expect(concat("a", "b", "c")).toBe("a/b/c");
+  });
+
+});
 
 describe("tests for getPageFromMatch", () => {
   function createMatch(page: string) {