a piece of rope or a tyre that protects the side of a boat from knocks
Fender provides a unified way to validate data and on the backend & frontend side.
func ExampleAll() {
err := fender.All(
context.Background(),
fend.Field("one", "", rule.RequiredString, rule.MinString(10)),
fend.Field("two", "", rule.RequiredString, rule.MinString(10)),
)
// check for fender error
if fendErr := fender.AsError(err); fendErr != nil {
fmt.Println(err)
} else if err != nil {
panic(err)
}
// Output: one:required:min=10;two:required:min=10
}func ExampleAllFirst() {
err := fender.AllFirst(
context.Background(),
fend.Field("one", "", rule.RequiredString, rule.MinString(10)),
fend.Field("two", "", rule.RequiredString, rule.MinString(10)),
)
// check for fender error
if fendErr := fender.AsError(err); fendErr != nil {
fmt.Println(err)
} else if err != nil {
panic(err)
}
// Output: one:required:min=10
}func ExampleFirst() {
err := fender.First(
context.Background(),
fend.Field("one", "", rule.RequiredString, rule.MinString(10)),
fend.Field("two", "", rule.RequiredString, rule.MinString(10)),
)
// check for fender error
if fendErr := fender.AsError(err); fendErr != nil {
fmt.Println(err)
} else if err != nil {
panic(err)
}
// Output: one:required
}func ExampleErrors() {
err := fender.All(
context.Background(),
fend.Field("one", "", rule.RequiredString, rule.MinString(10)),
fend.Field("two", "", rule.RequiredString, rule.MinString(10)),
)
// cast fender error
if fenderErr := fender.AsError(err); fenderErr != nil {
// iterate fend errors
for _, err := range fenderErr.Errors() {
// cast fend error
if fendErr := fend.AsError(err); fendErr != nil {
fmt.Println(fendErr.Name())
// iterate rule errors
for _, err := range fendErr.Errors() {
// cast rule error
if ruleErr := rule.AsError(err); ruleErr != nil {
fmt.Println(ruleErr.Error())
}
}
}
}
} else if err != nil {
panic(err)
}
// Output:
// one
// required
// min=10
// two
// required
// min=10
}go test -bench=. | prettybench
goos: darwin
goarch: arm64
pkg: github.com/foomo/fender
PASS
benchmark iter time/iter
--------- ---- ---------
BenchmarkAll/invalid_reused/fender-10 282154 3771.00 ns/op
BenchmarkAll/invalid_reused/playground-10 678679 1741.00 ns/op
BenchmarkAll/success_new/fender-10 1000000 1026.00 ns/op
BenchmarkAll/success_new/playground-10 1308327 937.60 ns/op
ok github.com/foomo/fender 5.619s
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Distributed under MIT License, please see license file within the code for more details.