fs-utils.ts

import fs from "fs";

const readFileToString = (path: string): Promise<string | undefined> =>
  new Promise((res, rej) =>
    fs.readFile(path, (err, data) => {
      if (err) return rej(err);
      res(data?.toString());
    }),
  );

const writeFile = (path: string, data: any): Promise<void> =>
  new Promise((res, rej) =>
    fs.writeFile(
      path,
      typeof data === "string" ? data : JSON.stringify(data),
      (err) => {
        if (err) {
          console.error("log error: ", err);
          rej();
        }
        res();
      },
    ),
  );

const moveFile = (path: string, target: string) =>
  new Promise((res) =>
    fs.rename(path, target, (err) => {
      if (err) {
        console.log(err);
        res(undefined);
      }
      res(undefined);
    }),
  );

const replaceAll = (
  string: string | undefined,
  search: string,
  replacement: string,
) => (!string ? string : string.replace(new RegExp(search, "g"), replacement));