chore(medium): add new package

2022-05-05 21:26:04 +02:00
parent 12f9cf6aa5
commit c787b065ad
28 changed files with 981 additions and 0 deletions
@@ -0,0 +1,48 @@
+// Copyright (C) 2022 WYATT GROUP
+// Please see the AUTHORS file for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+extension ReadingTimeX on String {
+  Duration readingTime({
+    int wpm = 200,
+    String suffix = 'min read',
+    String lessMsg = 'less than a minute',
+  }) {
+    bool _ansiWordBound(String c) {
+      return (' ' == c) || ('\n' == c) || ('\r' == c) || ('\t' == c);
+    }
+
+    int words = 0, start = 0, end = length - 1;
+
+    while (_ansiWordBound(this[start])) {
+      start++;
+    }
+    while (_ansiWordBound(this[end])) {
+      end--;
+    }
+
+    // Count real words
+    for (int i = start; i <= end;) {
+      for (; i <= end && !_ansiWordBound(this[i]); i++) {}
+      words++;
+      for (; i <= end && _ansiWordBound(this[i]); i++) {}
+    }
+
+    final minutes = words / wpm;
+    final seconds = (minutes - minutes.floor()) * 60;
+    final Duration duration = Duration(minutes: minutes.floor(), seconds: seconds.floor());
+    return duration;
+  }
+}