@andylu1988/matic-cli/src/lib/file-replacer.js

A CLI to setup and manage Matic validator nodes

import fs from 'fs-extra'

class FileReplacer {
  constructor(f, options = {}) {
    this.file = f
    this.options = options

    // load content
    this.data = fs.readFileSync(f, 'utf8')
  }

  replace(...args) {
    this.data = this.data.replace(...args)
    return this
  }

  save() {
    fs.writeFileSync(this.file, this.data, { mode: this.options.mode || 0o755 })
    return this
  }
}

export default function (f, options = {}) {
  return new FileReplacer(f, options)
}