| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | 1× 6× 1× 5× 7× 3× 4× 9× 7× 6× 4× 2× 1× | var operators = {
'==': (l, r) => l === r,
'!=': (l, r) => l !== r,
'>': (l, r) => l !== null && r !== null && l > r,
'<': (l, r) => l !== null && r !== null && l < r,
'>=': (l, r) => l !== null && r !== null && l >= r,
'<=': (l, r) => l !== null && r !== null && l <= r,
'contains': (l, r) => {
if (!l) return false
if (typeof l.indexOf !== 'function') return false
return l.indexOf(r) > -1
},
'and': (l, r) => l && r,
'or': (l, r) => l || r
}
module.exports = operators
|