Struct ToJsonConfig 

pub struct ToJsonConfig {
    pub include_metadata: bool,
    pub flatten_lists: bool,
    pub include_children: bool,
    pub ascii_safe: bool,
}

Configuration for JSON output

Fields

include_metadata: bool

Include HEDL metadata (type, schema)

flatten_lists: bool

Flatten matrix lists to plain arrays

include_children: bool

Include children as nested arrays (default: true)

ascii_safe: bool

Escape all non-ASCII characters as \uXXXX

When enabled, outputs JSON with only ASCII characters, escaping all Unicode code points >= 128 using \uXXXX notation. Characters outside the Basic Multilingual Plane (emoji, etc.) are encoded as UTF-16 surrogate pairs.

Use cases:

• Legacy systems requiring 7-bit ASCII
• Email transport with ASCII-only requirements
• Maximum interoperability with older JSON parsers

Default: false (output UTF-8 directly)

Trait Implementations

impl Clone for ToJsonConfig

fn clone(&self) -> ToJsonConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ToJsonConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ToJsonConfig

fn default() -> Self

Returns the “default value” for a type.

impl ExportConfig for ToJsonConfig

fn include_metadata(&self) -> bool

Whether to include version metadata in the output.

fn pretty(&self) -> bool

Whether to use pretty-printed/indented output.

impl From<&QueryConfig> for ToJsonConfig

fn from(config: &QueryConfig) -> Self

Converts to this type from the input type.