问面对"ENAMETOOLONG:名称太长“错误的Strapi >>>

EN

const truncate = require('truncate-utf8-bytes');
const { extname, basename } = require('path');

function trimFilenameToBytes(filename, maxBytes = 255) {
  // By extracting the file extension from the filename,
  // it'll trim "verylong.pdf" to "verylo.pdf" and not "verylong.p"
  const ext = extname(filename);
  const base = basename(filename, ext);
  const length = Buffer.byteLength(ext);
  const shorter = truncate(base, Math.max(0, maxBytes - length)) + ext;
  // Just in case the file extension's length is more than maxBytes.
  return truncate(shorter, maxBytes);
}

const filename = 'Lorem Ipsum is simply dummy \
text of the printing and typesetting industry. Lorem Ipsum has \
been the industry’s standard dummy text ever since the 1500s, \
when an unknown printer took a galley of type and scrambled it \
to make a type specimen book here a.pdf';

console.log(
  'This string is',
  filename.length,
  'characters and',
  Buffer.byteLength(filename, 'utf-8'),
  'bytes'
);

console.log(trimFilenameToBytes(filename));

// Will log the following, note how it's 2 bytes shorter:
// This string is 255 characters and 257 bytes
// Lorem Ipsum is simply dummy \
// text of the printing and typesetting industry. Lorem Ipsum has \
// been the industry’s standard dummy text ever since the 1500s, \
// when an unknown printer took a galley of type and scrambled it \
// to make a type specimen book here.pdf