larksuite/cli · error
Args field %s: flag %q is not a canonical flag name
Error message
Args field %s: flag %q is not a canonical flag name
What it means
A `flag` struct tag's name fails the canonical-flag-name rule enforced during collectArgFields; the flag would otherwise be mounted with an invalid CLI spelling.
Source
Thrown at shortcuts/common/typed_compile_args.go:131
if inlineType.Kind() == reflect.Pointer {
return fmt.Errorf("Args field %s: arg:\"inline\" must be a struct value, not pointer", field.Name)
}
if inlineType.Kind() != reflect.Struct {
return fmt.Errorf("Args field %s: arg:\"inline\" must be a struct, got %s", field.Name, field.Type)
}
if hasAnyTag(field, "flag", "schema", "cli", "doc", "json") {
return fmt.Errorf("Args field %s: arg:\"inline\" cannot declare public input tags", field.Name)
}
if err := collectArgFields(inlineType, index, true, out, seenGo, supplements); err != nil {
return err
}
default:
return fmt.Errorf("Args field %s: unknown arg mode %q", field.Name, argMode)
}
continue
}
if !flagNamePattern.MatchString(flagName) {
return fmt.Errorf("Args field %s: flag %q is not a canonical flag name", field.Name, flagName)
}
if hasAnyTag(field, "json") {
return fmt.Errorf("Args field %s (--%s): json tag is not allowed on a CLI field", field.Name, flagName)
}
valueType, valueIndex, isProvided, err := unwrapProvided(field.Type)
if err != nil {
return fmt.Errorf("Args field %s (--%s): %w", field.Name, flagName, err)
}
schema, err := parseSchemaTag(field.Tag.Get("schema"), valueType, true)
if err != nil {
return fmt.Errorf("Args field %s (--%s): %w", field.Name, flagName, err)
}
cli, err := parseCLITag(field.Tag.Get("cli"))
if err != nil {
return fmt.Errorf("Args field %s (--%s): %w", field.Name, flagName, err)
}
var shape typedValueShape
supplement, hasSupplement := supplements[flagName]View on GitHub (pinned to 7fd6ef3c07)
Solutions
- Rename the flag to canonical kebab-case in the tag
Defensive patterns
Strategy: validation
When it happens
Trigger: Thrown at shortcuts/common/typed_compile_args.go:131 when the library encounters an invalid state.
Common situations: See trigger scenarios.
AI-assisted analysis of larksuite/cli@7fd6ef3c07 (2026-09-04).
Data as JSON: /api/errors/7eb6e1fb2fc524f9.
Report an issue: GitHub.