Sebastiaan van Stijn
3bcb873b04
- Add formatter.WithNonIntrospectionBuiltin - Add a nil check in ArgumentMap - fix(validator): allow nullable variables for nonnull args with default - lint and format full diff: https://github.com/vektah/gqlparser/compare/v2.5.30...v2.5.32 Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
73 lines
1.2 KiB
Go
73 lines
1.2 KiB
Go
package ast
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import (
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"bytes"
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"encoding/json"
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"fmt"
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)
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var _ json.Unmarshaler = (*Path)(nil)
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type Path []PathElement
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type PathElement interface {
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isPathElement()
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}
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var (
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_ PathElement = PathIndex(0)
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_ PathElement = PathName("")
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)
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func (path Path) String() string {
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if path == nil {
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return ""
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}
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var str bytes.Buffer
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for i, v := range path {
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switch v := v.(type) {
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case PathIndex:
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fmt.Fprintf(&str, "[%d]", v)
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case PathName:
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if i != 0 {
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str.WriteByte('.')
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}
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str.WriteString(string(v))
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default:
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panic(fmt.Sprintf("unknown type: %T", v))
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}
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}
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return str.String()
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}
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func (path *Path) UnmarshalJSON(b []byte) error {
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var vs []any
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err := json.Unmarshal(b, &vs)
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if err != nil {
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return err
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}
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*path = make([]PathElement, 0, len(vs))
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for _, v := range vs {
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switch v := v.(type) {
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case string:
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*path = append(*path, PathName(v))
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case int:
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*path = append(*path, PathIndex(v))
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case float64:
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*path = append(*path, PathIndex(int(v)))
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default:
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return fmt.Errorf("unknown path element type: %T", v)
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}
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}
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return nil
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}
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type PathIndex int
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func (PathIndex) isPathElement() {}
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type PathName string
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func (PathName) isPathElement() {}
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