npm-upgrade/src/filterUtils.js

Interactive CLI utility to easily update outdated NPM dependencies

import _ from 'lodash';
import {flow, split, compact, partition} from 'lodash/fp';

export function globToRegexp(glob, flags) {
  const regexp = glob
    .split(/\*+/)
    .map(_.escapeRegExp)
    .join('.*?');

  return new RegExp(`^${regexp}$`, flags);
}

export function makeFilterFunction(filterStr = '') {
  let [excludeFilters, includeFilters] = flow(
    split(/\s+/),
    compact,
    partition(filter => filter[0] === '!')
  )(filterStr);

  if (!includeFilters.length) {
    includeFilters.push('*');
  }

  includeFilters = includeFilters
    .map(filter => globToRegexp(filter, 'i'))
    .map(filterRegexp => str => filterRegexp.test(str));

  excludeFilters = excludeFilters
    .map(filter => globToRegexp(filter.slice(1), 'i'))
    .map(filterRegexp => str => filterRegexp.test(str));

  return str => excludeFilters.every(filter => !filter(str)) && includeFilters.some(filter => filter(str));
}