1 files changed, 22 insertions, 0 deletions
diff --git a/util/wrap.js b/util/wrap.js
new file mode 100644
index 0000000..78e5233
--- /dev/null
+++ b/util/wrap.js
@@ -0,0 +1,22 @@
+module.exports = function wrap(str, width) {
+  // Wraps a string into separate lines. Returns an array of strings, for
+  // each line of the text.
+
+  const lines = []
+  const words = str.split(' ')
+
+  let curLine = words[0]
+
+  for (let word of words.slice(1)) {
+    if (curLine.length + word.length > width) {
+      lines.push(curLine)
+      curLine = word
+    } else {
+      curLine += ' ' + word
+    }
+  }
+
+  lines.push(curLine)
+
+  return lines
+}