<commit_before>// ==================================
// File:    utils.js
//
// Author:  <NAME>
// ==================================

'use strict'

const crypto = require('crypto')
const id = require('node-machine-id')
const path = require('path')
const EventEmitter = require('events').EventEmitter

class Lock { // mutual exclusion
  constructor () {
    this._locked = false<commit_msg>mutual exclusion<commit_after>// ==================================
// File:    utils.js
//
// Author:  <NAME>
// ==================================

'use strict'

const crypto = require('crypto')
const id = require('node-machine-id')
const path = require('path')
const EventEmitter = require('events').EventEmitter

class Lock { // mutual exclusion ref: https://thecodebarbarian.com/mutual-exclusion-patterns-with-node-promises
  constructor () {
    this._locked = false
{'fraction_non_alphanumeric': 0.2888631090487239, 'fraction_numerical': 0.0, 'mean_word_length': 4.640522875816994, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 5, 'https://': 1, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '7266341', 'n_tokens_mistral': 239, 'n_tokens_neox': 231, 'n_words': 54}