Refactor emoji stripping and punctuation stripping functions

littlefoxcompany · May 14, 2024 · bd2aec7 · bd2aec7
1 parent d73bbe1
commit bd2aec7
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Showing 2 changed files with 17 additions and 3 deletions.
diff --git a/src/modifiers.test.ts b/src/modifiers.test.ts
@@ -15,6 +15,9 @@ test('unescapeHtml', () => {
 
 test('stripEmojis', () => {
   expect(mod.stripEmojis('Hello 😃')).toBe('Hello ')
+  expect(mod.stripEmojis('Hello 😃👍')).toBe('Hello ')
+  expect(mod.stripEmojis('Hello 😃👍🏻')).toBe('Hello ')
+  expect(mod.stripEmojis('Hello 🎉')).toBe('Hello ')
 })
 
 test('stripWhitespace', () => {
@@ -32,6 +35,7 @@ test('stripSymbols', () => {
 
 test('stripPunctuation', () => {
   expect(mod.stripPunctuation('Hello world!')).toBe('Hello world')
+  expect(mod.stripPunctuation('Hello, world!')).toBe('Hello world')
 })
 
 test('slugify', () => {

diff --git a/src/modifiers.ts b/src/modifiers.ts
@@ -177,7 +177,7 @@ export function stripNumbers(text: string): string {
  * Strips punctuation from a string.
  */
 export function stripPunctuation(text: string): string {
-  return text.replace(/[.,\/#!$%\^&\*;:{}=\-_`~()]/g, '')
+  return text.replace(/[.,/#!$%^&*;:{}=\-_`~()]/g, '')
 }
 
 /**
@@ -191,7 +191,17 @@ export function stripSymbols(text: string): string {
  * Strips emojis from a string (requires ES6 Unicode support) 🦊.
  */
 export function stripEmojis(text: string): string {
-  return text.replace(/[\p{Emoji_Presentation}\p{Emoji}\uFE0F\u200D\u20E3]/gu, '')
+  return text.replace(/[\u{1F600}-\u{1F64F}]/gu, '') // Emoticons
+    .replace(/[\u{1F300}-\u{1F5FF}]/gu, '') // Miscellaneous Symbols and Pictographs
+    .replace(/[\u{1F680}-\u{1F6FF}]/gu, '') // Transport and Map Symbols
+    .replace(/[\u{1F700}-\u{1F77F}]/gu, '') // Alchemical Symbols
+    .replace(/[\u{1F780}-\u{1F7FF}]/gu, '') // Geometric Shapes Extended
+    .replace(/[\u{1F800}-\u{1F8FF}]/gu, '') // Supplemental Arrows-C
+    .replace(/[\u{1F900}-\u{1F9FF}]/gu, '') // Supplemental Symbols and Pictographs
+    .replace(/[\u{1FA00}-\u{1FA6F}]/gu, '') // Chess Symbols
+    .replace(/[\u{1FA70}-\u{1FAFF}]/gu, '') // Symbols and Pictographs Extended-A
+    .replace(/[\u{2600}-\u{26FF}]/gu, '') // Miscellaneous Symbols
+    .replace(/[\u{2700}-\u{27BF}]/gu, ''); // Dingbats
 }
 
 /**
@@ -259,7 +269,7 @@ export function kebabCase(text: string): string {
  */
 export function titleCase(text: string): string {
   return text
-    .replace(/(?:^\w|[A-Z]|\b\w)/g, (word, index) => {
+    .replace(/(?:^\w|[A-Z]|\b\w)/g, (word) => {
       return word.toUpperCase()
     })
     .replace(/\s+/g, ' ')