knex-automigrate/lib/index/helper.js

Table schema based database migration tool, built on top of the knex.js

/* eslint-disable no-param-reassign */

module.exports = {
  innerBrackets(e) {
    const begin = e.indexOf('(');
    const end = e.lastIndexOf(')');

    if (begin === -1 || end === -1) return null;
    return e.slice(begin + 1, end);
  },
  multipleColumns(e) {
    if (!e) return null;
    return e.split(',').map((o) => {
      if (o.slice(0, 1) === '`') {
        o = o.slice(1);

        if (o.indexOf('`') !== -1) {
          o = o.slice(0, o.indexOf('`'));
        }
      }
      return o.trim();
    });
  },
  firstQuoteValue(e) {
    if (e.indexOf('`') === -1) return null;
    e = e.slice(e.indexOf('`') + 1);
    return e.slice(0, e.indexOf('`'));
  },
  isArrayEqual(a, b) {
    if (typeof (a) === typeof (b) === 'string') {
      return a === b;
    }

    return a.length === b.length && a.every((e, i) => e === b[i]);
  },
};