feat: add unique words count and read time

Fix #1214

src/tools/text-statistics/text-statistics.service.test.ts

@@ -14,7 +14,7 @@ describe('text-statistics', () => {
 
   describe('textStatistics', () => {
     it('should return text statistics', () => {
-      expect(textStatistics('a')).toEqual({
+      expect(textStatistics('a')).to.deep.eq({
         chars: 1,
         chars_digits: 0,
         chars_lower: 1,
@@ -26,8 +26,11 @@ describe('text-statistics', () => {
         sentences: 1,
         words: 1,
         words_no_puncs: 1,
+        read_time: 0.3,
+        words_uniques: 1,
+        words_uniques_ci: 1,
       });
-      expect(textStatistics('A')).toEqual({
+      expect(textStatistics('A')).to.deep.eq({
         chars: 1,
         chars_digits: 0,
         chars_lower: 0,
@@ -39,8 +42,11 @@ describe('text-statistics', () => {
         sentences: 1,
         words: 1,
         words_no_puncs: 1,
+        read_time: 0.3,
+        words_uniques: 1,
+        words_uniques_ci: 1,
       });
-      expect(textStatistics('a a')).toEqual({
+      expect(textStatistics('a a')).to.deep.eq({
         chars: 3,
         chars_digits: 0,
         chars_lower: 2,
@@ -52,8 +58,11 @@ describe('text-statistics', () => {
         sentences: 1,
         words: 2,
         words_no_puncs: 2,
+        read_time: 0.6,
+        words_uniques: 1,
+        words_uniques_ci: 1,
       });
-      expect(textStatistics('A a ; 1')).toEqual({
+      expect(textStatistics('A a ; 1')).to.deep.eq({
         chars: 7,
         chars_digits: 1,
         chars_lower: 1,
@@ -65,8 +74,11 @@ describe('text-statistics', () => {
         sentences: 1,
         words: 4,
         words_no_puncs: 3,
+        read_time: 0.8999999999999999,
+        words_uniques: 3,
+        words_uniques_ci: 2,
       });
-      expect(textStatistics('Some sentence! Une autre phrase ? « et avec des chiffres 1234 ! »')).toEqual({
+      expect(textStatistics('Some sentence! Une autre phrase ? « et avec des chiffres 1234 ! »')).to.deep.eq({
         chars: 65,
         chars_digits: 4,
         chars_lower: 41,
@@ -78,9 +90,12 @@ describe('text-statistics', () => {
         sentences: 3,
         words: 14,
         words_no_puncs: 10,
+        read_time: 3,
+        words_uniques: 10,
+        words_uniques_ci: 10,
       });
       expect(textStatistics(`Some sentence! Une autre phrase ? 
-      « et avec des chiffres 1234 ! »`)).toEqual({
+      « et avec des chiffres 1234 ! »`)).to.deep.eq({
         chars: 72,
         chars_digits: 4,
         chars_lower: 41,
@@ -92,8 +107,11 @@ describe('text-statistics', () => {
         sentences: 3,
         words: 14,
         words_no_puncs: 10,
+        read_time: 3,
+        words_uniques: 10,
+        words_uniques_ci: 10,
       });
-      expect(textStatistics('12 35')).toEqual({
+      expect(textStatistics('12 35')).to.deep.eq({
         chars: 5,
         chars_digits: 4,
         chars_lower: 0,
@@ -105,8 +123,11 @@ describe('text-statistics', () => {
         sentences: 1,
         words: 2,
         words_no_puncs: 2,
+        read_time: 0.6,
+        words_uniques: 2,
+        words_uniques_ci: 2,
       });
-      expect(textStatistics(' 1 2 3. Other ')).toEqual({
+      expect(textStatistics(' 1 2 3. Other ')).to.deep.eq({
         chars: 14,
         chars_digits: 3,
         chars_lower: 4,
@@ -118,6 +139,26 @@ describe('text-statistics', () => {
         sentences: 2,
         words: 4,
         words_no_puncs: 4,
+        read_time: 1.2,
+        words_uniques: 4,
+        words_uniques_ci: 4,
+      });
+
+      expect(textStatistics('Az az er')).to.deep.eq({
+        chars: 8,
+        chars_digits: 0,
+        chars_lower: 5,
+        chars_no_spaces: 6,
+        chars_puncts: 0,
+        chars_spaces: 2,
+        chars_upper: 1,
+        lines: 1,
+        read_time: 0.8999999999999999,
+        sentences: 1,
+        words: 3,
+        words_no_puncs: 3,
+        words_uniques: 3,
+        words_uniques_ci: 2,
       });
     });
   });

src/tools/text-statistics/text-statistics.service.ts

@@ -3,6 +3,8 @@ export function getStringSizeInBytes(text: string) {
 }
 
 export function textStatistics(text: string) {
+  const words_no_puncts = text.replace(/\p{P}/ug, '').trim().split(/\s+/);
+  const read_word_per_minutes = 200;
   return {
     chars: text.length,
     chars_no_spaces: text.replace(/\s+/ug, '').length,
@@ -12,7 +14,10 @@ export function textStatistics(text: string) {
     chars_puncts: text.replace(/[^\p{P}]/ug, '').length,
     chars_spaces: text.replace(/\S/ug, '').length,
     words: text.trim().split(/\s+/).length,
-    words_no_puncs: text.replace(/\p{P}/ug, '').trim().split(/\s+/).length,
+    read_time: words_no_puncts.length / read_word_per_minutes * 60,
+    words_no_puncs: words_no_puncts.length,
+    words_uniques: (new Set(words_no_puncts)).size,
+    words_uniques_ci: (new Set(words_no_puncts.map(s => s.toLowerCase()))).size,
     sentences: (`${text} `).split(/\w\s*[\.!\?][\s\p{P}]*\s/u).filter(s => s && s?.length > 0).length,
     lines: text.split(/\r\n|\r|\n/).length,
   };

src/tools/text-statistics/text-statistics.vue

@@ -1,4 +1,5 @@
 <script setup lang="ts">
+import { formatMsDuration } from '../eta-calculator/eta-calculator.service';
 import { getStringSizeInBytes, textStatistics } from './text-statistics.service';
 import { formatBytes } from '@/utils/convert';
 
@@ -20,6 +21,14 @@ const stats = computed(() => textStatistics(text.value));
 
     <n-divider />
 
+    <n-space mt-3>
+      <n-statistic label="Unique Word count" :value="stats.words_uniques" />
+      <n-statistic label="Unique Word count (case insensitive)" :value="stats.words_uniques_ci" />
+      <n-statistic label="Read Time" :value="formatMsDuration(stats.read_time * 1000)" />
+    </n-space>
+
+    <n-divider />
+
     <n-space>
       <n-statistic label="Chars (no spaces)" :value="stats.chars_no_spaces" />
       <n-statistic label="Uppercase chars" :value="stats.chars_upper" />