50 lines
827 B
Go
50 lines
827 B
Go
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package format
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type PropHintName string
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type PropHintFunc func() (PropHintName, any)
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type Prop struct {
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name string
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label string
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hints map[PropHintName]any
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}
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func (p *Prop) Name() string {
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return p.name
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}
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func (p *Prop) Label() string {
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return p.label
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}
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func NewProp(name, label string, funcs ...PropHintFunc) Prop {
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hints := make(map[PropHintName]any)
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for _, fn := range funcs {
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name, value := fn()
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hints[name] = value
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}
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return Prop{name, label, hints}
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}
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func WithPropHint(name PropHintName, value any) PropHintFunc {
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return func() (PropHintName, any) {
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return name, value
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}
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}
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func PropHint[T any](p Prop, name PropHintName, defaultValue T) T {
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rawValue, exists := p.hints[name]
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if !exists {
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return defaultValue
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}
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value, ok := rawValue.(T)
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if !ok {
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return defaultValue
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}
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return value
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}
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