Function safeAssetIdentifier

packages/core/src/editing/edit-ops.ts:104–128

(filename: string, taken: Set<string>)

}

export function safeAssetIdentifier(filename: string, taken: Set<string>): string {
  const stem = filename.replace(/\.[^.]+$/, '');
  let camel = '';
  let upper = false;
  for (const ch of stem) {
    if (/[A-Za-z0-9]/.test(ch)) {
      camel += upper ? ch.toUpperCase() : ch;
      upper = false;
    } else {
      upper = camel.length > 0;
    }
  }
  let base = camel;
  if (!base || !/^[A-Za-z_$]/.test(base)) {
    base = `asset${base.charAt(0).toUpperCase()}${base.slice(1)}` || 'asset';
  }
  base = base.charAt(0).toLowerCase() + base.slice(1);
  let candidate = base;
  let i = 2;
  while (taken.has(candidate)) {
    candidate = `${base}${i}`;
    i += 1;
  }
  return candidate;
}

type JsxContainer = t.JSXElement | t.JSXFragment;