search

#!/usr/bin/env bash
":" //# comment; exec /usr/bin/env node --input-type=module - $@ < "$0"
import { spawn } from 'child_process';
import { join } from 'path';
import { homedir } from 'os';

const extra_args = [];
const default_exclude = [
  `--exclude='*test*'`,
  `--exclude='*.d.ts'`,
  `--exclude-dir=.yarn`,
  `--exclude-dir=.git`,
  `--exclude-dir=node_modules`,
  `--exclude-dir=intl`,
  `--exclude-dir=translations`,
  `--exclude-dir=packages`,
  `--exclude-dir=fixtures`,
  `--exclude='*.min.*'`,
  `--exclude='*.spec.*'`,
  `--exclude='*-lock.*'`,
  `--exclude='package.json'`,
];

const search_for = process.argv
  .slice(2)
  .reduce((list, arg) => {
    if (arg.startsWith('--')) {
      if (arg.search(/ignore.{0,1}default/i) !== -1) {
        default_exclude.splice(0);
      } else {
        extra_args.push(arg);
      }
    } else {
      list.push(arg);
    }

    return list;
  }, [])
  .join(' ')
  .trim();

const search_dir = '/dev/Springworks';
const dir = join(homedir(), search_dir);

const command = async () => {
  const result_split = /:[ \t\s]{0,}/;
  let last_dir = null;
  let last_file = null;

  const printLine = (line) => {
    const [, data] = line.split(`${dir}/`);
    if (!data) {
      return;
    }

    const [path] = data.split(result_split);
    const result = data.substring(((data.match(result_split) || {}).index || -1) + 1);
    const [repo, ...file_parts] = path.split('/');
    const file = file_parts.join('/');

    if (last_dir != repo) {
      console.log(`\n\x1b[4m\x1b[2m${repo}\x1b[0m`);
      last_dir = repo;
      last_file = null;
    }

    if (last_file !== file) {
      console.log(`\x1b[90m${file}`);
      last_file = file;
    }

    console.log(`\x1b[01;38;5;28m  ${highlight(result.trim())}\x1b[0m`);
  };

  const onData = (stdout) => {
    for (const line of stdout.toString().split('\n')) {
      printLine(line);
    }
  };

  await new Promise((resolve) => {
    const subprocess = spawn(
      'egrep',
      [
        `-ir`,
        `--include='*.dart'`,
        `--include='*.erb'`,
        `--include='*.go'`,
        `--include='*.js'`,
        `--include='*.json'`,
        `--include='*.kt'`,
        `--include='*.kts'`,
        `--include='*.md'`,
        `--include='*.sh'`,
        `--include='*.swift'`,
        `--include='*.ts'`,
        `--include='*.tsx'`,
        ...default_exclude,
        ...extra_args,
        `'${search_for}'`,
        dir,
      ],
      { shell: true },
    );
    subprocess.stdout.on('data', onData);
    subprocess.on('close', resolve);
  });

  console.log(`\x1b[0m`);
};

function highlight(line) {
  const regex = new RegExp(search_for, 'gi');
  const indices = [];

  let re = null;
  do {
    re = regex.exec(line);
    if (!re) {
      break;
    }
    if (re) {
      const [match] = re;
      const { index } = re;
      const end = index + match.length;
      indices.push([match, index, end]);
    }
  } while (re);

  let string = line;
  indices.reverse().forEach(([match, index, end]) => {
    string = `${string.substring(0, index)}\x1b[01;38;5;46m${match}\x1b[01;38;5;28m${string.substring(end)}`;
  });

  return string;
}

command();

The search is done using regex, so, escape the characters as needed.
To remove the default exclude-pattern, run command with --ignore-default, any other argument needed to be passed should be done so using a double-dash, then equal; as so: --include-dir='packages'