Function wordWrap

src/utils.js:252–280

(maxLength, input)

// Wrap on word boundary
function wordWrap(maxLength, input) {
  let lines = [];
  let split = input.split(/(\s+)/g);
  let line = [];
  let lineLength = 0;
  let whitespace;
  for (let i = 0; i < split.length; i += 2) {
    let word = split[i];
    let newLength = lineLength + strlen(word);
    if (lineLength > 0 && whitespace) {
      newLength += whitespace.length;
    }
    if (newLength > maxLength) {
      if (lineLength !== 0) {
        lines.push(line.join(''));
      }
      line = [word];
      lineLength = strlen(word);
    } else {
      line.push(whitespace || '', word);
      lineLength = newLength;
    }
    whitespace = split[i + 1];
  }
  if (lineLength) {
    lines.push(line.join(''));
  }
  return lines;
}

// Wrap text (ignoring word boundaries)
function textWrap(maxLength, input) {