Function composeSql

composeSql is an ES template literal tag which converts an string template and variables into a postgres query object.

const name = 'Geoff'

composeSql`
  SELECT id, name, age
  FROM users
  WHERE name != ${name}
    and age < ${42}
`

becomes:

{
  text: '\n  SELECT id, name, age\n  FROM users\n  WHERE name != $1\n    and age < $2\n',
  values: [ 'Geoff', 42 ]
}