walk() include only last directory...

file/to/directory

file
file/to
file/to/directory

import { parseArgs } from 'https://deno.land/std@0.212.0/cli/mod.ts';
import { walkSync } from 'https://deno.land/std@0.212.0/fs/mod.ts';
import { parseString as parseRegExpString } from 'https://raw.githubusercontent.com/TypeScriptPlayground/std/main/src/regexp/mod.ts'

const args = parseArgs<{
  path : string,
  pattern : string,
  replacer : string
}>(Deno.args);

if (!args.path || !args.pattern || !args.replacer) {
  console.log('Missing arguments');
  Deno.exit();
}

const pattern = parseRegExpString(args.pattern);

const pathsToUpdate: Array<{ oldPath: string, newPath: string, isFile: boolean }> = [];

Deno.chdir(args.path);
for (const entry of walkSync('.')) {
  const path = entry.path;
  const pathReplaced = path.replace(pattern, args.replacer);

  if (path !== pathReplaced) {
    pathsToUpdate.push({ oldPath: path, newPath: pathReplaced, isFile: entry.isFile });
  }
}

for (const { oldPath, newPath, isFile } of pathsToUpdate) {
  if (isFile) {
    const content = Deno.readTextFileSync(oldPath);
    const contentReplaced = content.replace(pattern, args.replacer);
    Deno.writeTextFileSync(newPath, contentReplaced);
  } else {
    Deno.renameSync(oldPath, newPath); //<- Error: /path/{{pattern}}/{{pattern}}
  }
  console.log(`Updated: ${oldPath} -> ${newPath}`);
}