2016 Update

Task/Word-wrap/JavaScript/word-wrap-4.js

@@ -0,0 +1,23 @@
+(function (width) {
+    'use strict';
+
+    function wrapByRegex(n, s) {
+        return s.match(
+                RegExp('.{1,' + n + '}(\\s|$)', 'g')
+            )
+            .join('\n');
+    }
+
+    return wrapByRegex(width,
+'Even today, with proportional fonts and compl\
+ex layouts, there are still cases where you ne\
+ed to wrap text at a specified column. The bas\
+ic task is to wrap a paragraph of text in a si\
+mple way in your language. If there is a way t\
+o do this that is built-in, trivial, or provid\
+ed in a standard library, show that. Otherwise\
+ implement the minimum length greedy algorithm\
+ from Wikipedia.'
+    )
+
+})(60);

Task/Word-wrap/JavaScript/word-wrap-5.js

@@ -0,0 +1,56 @@
+/**
+ * [wordwrap description]
+ * @param  {[type]}  text  [description]
+ * @param  {Number}  width [description]
+ * @param  {String}  br    [description]
+ * @param  {Boolean} cut   [description]
+ * @return {[type]}        [description]
+ */
+function wordwrap(text, width = 80, br = '\n', cut = false) {
+  // Приводим к uint
+  // 0..2^32-1 либо 0..2^64-1
+  width >>>= 0;
+  // Длина текста меньше или равна максимальной
+  if (0 === width || text.length <= width) {
+    return text;
+  }
+  // Разбиваем текст на строки
+  return text.split('\n').map(line => {
+    if (line.length <= width) {
+      return line;
+    }
+    // Разбиваем строку на слова
+    let words = line.split(' ');
+    // Если требуется, то обрезаем длинные слова
+    if (cut) {
+      let temp = [];
+      for (const word of words) {
+        if (word.length > width) {
+          let i = 0;
+          const length = word.length;
+          while (i < length) {
+            temp.push(word.slice(i, Math.min(i + width, length)));
+            i += width;
+          }
+        } else {
+          temp.push(word);
+        }
+      }
+      words = temp;
+    }
+    // console.log(words);
+    // Собираем новую строку
+    let wrapped = words.shift();
+    let spaceLeft = width - wrapped.length;
+    for (const word of words) {
+      if (word.length + 1 > spaceLeft) {
+        wrapped += br + word;
+        spaceLeft = width - word.length;
+      } else {
+        wrapped += ' ' + word;
+        spaceLeft -= 1 + word.length;
+      }
+    }
+    return wrapped;
+  }).join('\n'); // Объединяем элементы массива по LF
+}

Task/Word-wrap/JavaScript/word-wrap-6.js

@@ -0,0 +1 @@
+console.log(wordwrap("The quick brown fox jumped over the lazy dog.", 20, "<br />\n"));