kozhevnikov / proxymise Goto Github PK

// $ npm install knex sqlite3 proxymise
import Knex from 'knex'
import proxymise from 'proxymise';

async function main() {
  // create Knex connection
  const knex = Knex({
    client: 'sqlite3',
    useNullAsDefault: true,
    connection: {
      filename: ':memory:',
    },
  });

  // create a users table
  await knex.raw(
    'CREATE TABLE users ( ' +
    '  id INTEGER PRIMARY KEY ASC, ' +
    '  name TEXT ' +
    ')'
  );

  // insert a row
  await knex('users').insert({
    name: 'kozhevnikov'
  });

  // knex example without proxymise()
  const row = await knex('users').select('id', 'name').where({ name: 'kozhevnikov' }).first();
  const name = row.name;
  console.log('EXPECT name: ', name);

  // works if knex method are inside proxymise()
  try {
    const prxm1 = proxymise(
      knex('users')
        .select('id', 'name')
        .where({ name: 'kozhevnikov' })
        .first()
    );
    const name1 = await prxm1.name;
    console.log('PASSED name1:', name1);
  }
  catch(error) {
    console.log('FAILED name1:', error);
  }

  // doesn't work when knex methods are outside proxymise()
  try {
    const prxm2 = proxymise(
      knex('users')
    );
    const name2 = await prxm2
      .select('id', 'name')
      .where({ name: 'kozhevnikov' })
      .first()
      .name;
    console.log('PASSED name2:', name2);
  }
  catch(error) {
    console.log('FAILED name2:', error);
  }

  knex.destroy();
}

main();