Store default value for reading speed in constants

Author: Invulner

src/constants/index.ts

@@ -0,0 +1,2 @@
+// Assuming average reading speed of 200 words per minute
+export const WORDS_PER_MINUTE = 200;

src/utils/estimateReadingTime.ts

@@ -1,11 +1,10 @@
+import { WORDS_PER_MINUTE } from '../constants';
+
 /**
  * Estimates the reading time of the text in seconds.
  * @param {number} wordCount - The number of words in the text.
  * @returns {number} The estimated reading time of the text in seconds.
  */
 export function estimateReadingTime(wordCount: number): number {
-  // Assuming average reading speed of 200 words per minute
-  const wordsPerMinute = 200;
-
-  return Math.ceil(wordCount / (wordsPerMinute / 60));
+  return Math.ceil(wordCount / (WORDS_PER_MINUTE / 60));
 }