feat: add getPath function for PUBLIC_PATH

This add function to get path from a string url from utils.
Also the function is implemented to the history module. In order to match with URLS as webpack allow.(CDN).
Test were developed for different shaped of string urls with path.
A basic test is also added for the base case in the history variable for the initialize
with base case of PUBLIC_PATH=`/`.

src/index.js

@@ -6,6 +6,7 @@ export {
   getQueryParameters,
   ensureDefinedConfig,
   parseURL,
+  getPath,
 } from './utils';
 export {
   APP_TOPIC,

src/initialize.js

@@ -54,7 +54,7 @@ Note that the env.config.js file in frontend-platform's root directory is NOT us
 initialization code, it's just there for the test suite and example application.
 */
 import envConfig from 'env.config'; // eslint-disable-line import/no-unresolved
-
+import { getPath } from './utils';
 import {
   publish,
 } from './pubSub';
@@ -99,7 +99,7 @@ import configureCache from './auth/LocalForageCache';
  */
 export const history = (typeof window !== 'undefined')
   ? createBrowserHistory({
-    basename: getConfig().PUBLIC_PATH,
+    basename: getPath(getConfig().PUBLIC_PATH),
   }) : createMemoryHistory();
 
 /**

src/initialize.test.js

@@ -1,4 +1,5 @@
 import PubSub from 'pubsub-js';
+import { createBrowserHistory } from 'history';
 import {
   APP_PUBSUB_INITIALIZED,
   APP_CONFIG_INITIALIZED,
@@ -37,6 +38,7 @@ jest.mock('./auth');
 jest.mock('./analytics');
 jest.mock('./i18n');
 jest.mock('./auth/LocalForageCache');
+jest.mock('history');
 
 let config = null;
 const newConfig = {
@@ -351,3 +353,12 @@ describe('initialize', () => {
     expect(logError).not.toHaveBeenCalled();
   });
 });
+
+describe('history', () => {
+  it('browser history called by default path', async () => {
+    // import history from initialize;
+    expect(createBrowserHistory).toHaveBeenCalledWith({
+      basename: '/',
+    });
+  });
+});

src/utils.js

@@ -143,6 +143,17 @@ export function parseURL(url) {
   return parser;
 }
 
+/**
+ * Given a string URL return the path of the URL
+ *
+ *
+ * @param {string}
+ * @returns {string}
+ */
+export function getPath(url) {
+  return parseURL(url).pathname;
+}
+
 /**
  * *Deprecated*: A method which converts the supplied query string into an object of
  * key-value pairs and returns it.  Defaults to the current query string - should perform like

src/utils.test.js

@@ -4,6 +4,7 @@ import {
   snakeCaseObject,
   convertKeyNames,
   parseURL,
+  getPath,
   getQueryParameters,
 } from '.';
 
@@ -152,3 +153,41 @@ describe('ParseURL', () => {
     expect(parsedURL.host).toEqual('example.com:3000');
   });
 });
+
+describe('getPath', () => {
+  it('Path is retrieved with full url', () => {
+    const testURL = 'http://example.com:3000/pathname/?search=test#hash';
+
+    expect(getPath(testURL)).toEqual('/pathname/');
+  });
+
+  it('Path is retrieved with only path', () => {
+    const testURL = '/learning/';
+
+    expect(getPath(testURL)).toEqual('/learning/');
+  });
+
+  it('Path is retrieved without protocol', () => {
+    const testURL = '//example.com:3000/accounts/';
+
+    expect(getPath(testURL)).toEqual('/accounts/');
+  });
+
+  it('Path is retrieved with base `/`', () => {
+    const testURL = '/';
+
+    expect(getPath(testURL)).toEqual('/');
+  });
+
+  it('Path is retrieved without port', () => {
+    const testURL = 'https://example.com/accounts/';
+
+    expect(getPath(testURL)).toEqual('/accounts/');
+  });
+
+  it('Path is retrieved without CDN shape', () => {
+    const testURL = 'https://d20blt6w1kfasr.cloudfront.net/learning/';
+
+    expect(getPath(testURL)).toEqual('/learning/');
+  });
+});