Function shared

src/resolution/import-resolver.ts:1679–1683

(a: string, b: string)

  const suffixes = [`${base}.lua`, `${base}.luau`, `${base}/init.lua`, `${base}/init.luau`];
  const byBasename = luaBasenameIndex(context);
  const shared = (a: string, b: string): number => {
    let i = 0;
    while (i < a.length && i < b.length && a[i] === b[i]) i++;
    return i;
  };
  for (const suffix of suffixes) {
    // Only files sharing the suffix's basename can match — the bucket is in
    // getAllFiles() order, so this filter yields exactly what the full-list