Code for post "How to automatically create thumbnails for your videos with Node.js"

how-to-automatically-create-thumbnails-for-your-videos-with-node.js-script-4.js

const breakTextToFitCanvas = (ctx, text, maxWidth) => {
  const words = text.split(' ');
  const lines = [];
  let currentLine = words[0];

  for (let i = 1; i < words.length; i++) {
    const word = words[i];
    const { width } = ctx.measureText(`${currentLine} ${word}`);

    if (width < maxWidth) {
      currentLine += ` ${word}`;
    } else {
      lines.push(currentLine);
      currentLine = word;
    }
  }

  lines.push(currentLine);

  return lines;
};