Function recursiveInterpolate

cli/compose/interpolation/interpolation.go:58–100

(value any, path Path, opts Options)

}

func recursiveInterpolate(value any, path Path, opts Options) (any, error) {
	switch value := value.(type) {
	case string:
		newValue, err := opts.Substitute(value, template.Mapping(opts.LookupValue))
		if err != nil || newValue == value {
			return value, newPathError(path, err)
		}
		caster, ok := opts.getCasterForPath(path)
		if !ok {
			return newValue, nil
		}
		casted, err := caster(newValue)
		if err != nil {
			return casted, newPathError(path, fmt.Errorf("failed to cast to expected type: %w", err))
		}
		return casted, nil

	case map[string]any:
		out := map[string]any{}
		for key, elem := range value {
			interpolatedElem, err := recursiveInterpolate(elem, path.Next(key), opts)
			if err != nil {
				return nil, err
			}
			out[key] = interpolatedElem
		}
		return out, nil

	case []any:
		out := make([]any, len(value))
		for i, elem := range value {
			interpolatedElem, err := recursiveInterpolate(elem, path.Next(PathMatchList), opts)
			if err != nil {
				return nil, err
			}
			out[i] = interpolatedElem
		}
		return out, nil

	default:
		return value, nil
	}
}

func newPathError(path Path, err error) error {
	switch err := err.(type) {