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func_not.go
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/
func_not.go
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package dasel
import (
"fmt"
"reflect"
)
var NotFunc = BasicFunction{
name: "not",
runFn: func(c *Context, s *Step, args []string) (Values, error) {
if err := requireXOrMoreArgs("not", args, 1); err != nil {
return nil, err
}
input := s.inputs()
runComparison := func(value Value, selector string) (bool, error) {
gotValues, err := c.subSelect(value, selector)
if err != nil {
return false, err
}
if len(gotValues) > 1 {
return false, fmt.Errorf("not expects selector to return a single value")
}
if len(gotValues) == 0 {
return false, nil
}
return IsTruthy(gotValues[0].Interface()), nil
}
res := make(Values, 0)
for _, val := range input {
for _, selector := range args {
truthy, err := runComparison(val, selector)
if err != nil {
return nil, err
}
res = append(res, Value{Value: reflect.ValueOf(!truthy)})
}
}
return res, nil
},
}