[MC-1682] fix: capitalization after curly apostrophe (#1233)

* [MC-1682] fix: capitalization after curly apostrophe

* fix lint errors

Author: mmiermans

src/_shared/utils/applyApTitleCase.test.ts

@@ -137,6 +137,17 @@ describe('applyApTitleCase', () => {
       expect(applyApTitleCase(swc.result)).toEqual(swc.expected);
     });
   });
+  it('should correctly format titles with curly apostrophes', () => {
+    const testCases = [
+      {
+        result: 'every state\u2018S dream travel destination, mapped',
+        expected: 'Every State\u2018s Dream Travel Destination, Mapped',
+      },
+    ];
+    testCases.forEach(({ result, expected }) => {
+      expect(applyApTitleCase(result)).toEqual(expected);
+    });
+  });
 });
 
 describe('lowercaseAfterApostrophe', () => {
@@ -150,4 +161,9 @@ describe('lowercaseAfterApostrophe', () => {
     );
     expect(result).toEqual("'Foo' foo's DaY's You'll 'foo Bar foo'ss'");
   });
+  it('should lowercase the letter after a curly apostrophe', () => {
+    const input = 'Every State\u2018S Dream Travel Destination, Mapped';
+    const expected = 'Every State\u2018s Dream Travel Destination, Mapped';
+    expect(lowercaseAfterApostrophe(input)).toEqual(expected);
+  });
 });

src/_shared/utils/applyApTitleCase.ts

@@ -15,13 +15,12 @@ export const stop = STOP_WORDS.split(' ');
  * @returns {string}
  */
 export const lowercaseAfterApostrophe = (input: string): string => {
-  // matches an apostrophe followed by a char
-  // ensures only the first char after the apostrophe is converted to lowercase
-  const regex = /(?<=\w)(')(\w)/g;
-
-  return input.replace(regex, (match, p1, char) => {
-    return `'${char.toLowerCase()}`; // Lowercase the first char after the apostrophe
-  });
+  // Match either an ASCII or curly apostrophe followed by a letter, after a word character.
+  const regex = /(?<=\w)(['\u2018\u2019])(\w)/g;
+  return input.replace(
+    regex,
+    (_, apostrophe, letter) => `${apostrophe}${letter.toLowerCase()}`,
+  );
 };
 
 /**

src/curated-corpus/components/ProspectFilters/ProspectFilters.test.tsx

@@ -8,7 +8,6 @@ import {
   Prospect,
   Topics,
 } from '../../../api/generatedTypes';
-import { StoriesSummary } from '../ScheduleSummaryCard/ScheduleSummaryCard';
 import { DateTime } from 'luxon';
 
 describe('The ProspectFilters component', () => {