Merge pull request #21 from Exabyte-io/feature/SOF-6228

feat: add containsEncodedComponents function to utils

Author: timurbazhirov

src/utils/index.js

@@ -26,6 +26,7 @@ import {
     removeNewLinesAndExtraSpaces,
     toFixedLocale,
 } from "./str";
+import { containsEncodedComponents } from "./url";
 import { getUUID } from "./uuid";
 
 export {
@@ -57,4 +58,5 @@ export {
     toFixedLocale,
     getUUID,
     getSearchQuerySelector,
+    containsEncodedComponents,
 };

src/utils/url.js

@@ -0,0 +1,9 @@
+/** Check whether URL component is encoded already.
+ * @see [MDN]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent}
+ * @param {String} x
+ * @returns {boolean}
+ */
+export function containsEncodedComponents(x) {
+    // ie ?,=,&,/ etc
+    return decodeURI(x) !== decodeURIComponent(x);
+}

tests/utils.tests.js

@@ -1,6 +1,7 @@
 import { expect } from "chai";
 
 import { deepClone } from "../src/utils/clone";
+import { containsEncodedComponents } from "../src/utils/url";
 
 describe("deepClone", () => {
     const obj = {
@@ -22,3 +23,13 @@ describe("deepClone", () => {
         expect(other).not.to.haveOwnProperty("object");
     });
 });
+
+describe("containsEncodedComponents", () => {
+    const decodedComponent = "a test with // special = characters?";
+    const encodedComponent = encodeURIComponent(decodedComponent);
+
+    it("identifies whether a string is URL encoded", () => {
+        expect(containsEncodedComponents(encodedComponent)).to.be.true;
+        expect(containsEncodedComponents(decodedComponent)).to.be.false;
+    });
+});