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Merged
merged 6 commits into from
Jun 11, 2024
Merged

code optimization #31315

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ff81629
code optimization
kerwin612 Jun 11, 2024
4bd4271
Merge branch 'main' into patch-13
kerwin612 Jun 11, 2024
bedb5c4
Merge branch 'main' into patch-13
kerwin612 Jun 11, 2024
1344d99
Update helper.go
kerwin612 Jun 11, 2024
e0eb878
Merge branch 'main' into patch-13
kerwin612 Jun 11, 2024
b66cf79
update code and tests
kerwin612 Jun 11, 2024
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Update helper.go
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@kerwin612
kerwin612 authored Jun 11, 2024
commit 1344d99fd8c1c73f7c68b51a201055305ae32c9c
25 changes: 24 additions & 1 deletion modules/templates/helper.go
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ import (
"html"
"html/template"
"net/url"
"reflect"
"slices"
"strings"
"time"
Expand Down Expand Up @@ -238,14 +239,36 @@ func DotEscape(raw string) string {
// Iif is an "inline-if", similar util.Iif[T] but templates need the non-generic version,
// and it could be simply used as "{{Iif expr trueVal}}" (omit the falseVal).
func Iif(condition any, vals ...any) any {
if condition != nil && condition.(bool) {
if IsTruthy(condition) {
return vals[0]
} else if len(vals) > 1 {
return vals[1]
}
return nil
}

func IsTruthy(v any) bool {
if v == nil {
return false
}

rv := reflect.ValueOf(v)
switch rv.Kind() {
case reflect.Bool:
return rv.Bool()
case reflect.String:
return rv.String() != ""
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
reflect.Float32, reflect.Float64:
return rv.Float() > 0 || rv.Int() > 0
case reflect.Slice, reflect.Array, reflect.Map, reflect.Ptr, reflect.Interface:
return !rv.IsNil() && rv.Len() > 0
default:
return false
}
}

// Eval the expression and return the result, see the comment of eval.Expr for details.
// To use this helper function in templates, pass each token as a separate parameter.
//
Expand Down