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Aug 12th, 2017
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  1. const readline = require('readline');
  2.  
  3. console.log('start');
  4.  
  5. Array.from(Array(100), (_, i) => i + 1).forEach(i => {
  6. setTimeout(() => {
  7. /*
  8. // ※ メッセージの長さが減少する場合は使えない
  9. process.stdout.write(`working... ${i}%\r`);
  10. /*/
  11. // child_process でも正常に動作させるには readlineを使う
  12. readline.clearLine(process.stdout);
  13. readline.cursorTo(process.stdout, 0);
  14. process.stdout.write(`working... ${i}%`);
  15. //*/
  16. }, i * 30);
  17. });
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