boolean-expression
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Create a boolean expression that's safe to eval
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# boolean-expression
Create a boolean expression that's safe to eval
## expression = booleanExpression(exp)
Returns a `BooleanExpression` instance with `toString` and `toTokens` methods.
### expression.toString(map)
```
var expression = booleanExpression('foo AND bar')
var str = expression.toString(function (token) {
return 'val.indexOf(' + JSON.stringify(token) + ')'
})
// str == 'val.indexOf("foo") && val.indexOf("bar")'
```
### expression.toTokens()
```
var expression = booleanExpression('foo && bar && !qux')
expression.toTokens()
// returns ['foo', 'bar', 'qux']
```