Struct JSONLoader 

pub struct JSONLoader {
    pub path: PathBuf,
    pub content_key: Option<String>,
    pub preserve_raw: bool,
}

JSON document loader

Supports loading JSON files, optionally using a specific field as the document content.

• For a JSON array, each element becomes one document
• For a JSON object, the whole object becomes one document (or a specified field)

Fields

path: PathBuf

JSON file path

content_key: Option<String>

The field name used as the document content (optional) If specified, that field’s value is extracted as the content

preserve_raw: bool

Whether to keep the raw JSON as metadata

Implementations

impl JSONLoader

pub fn new(path: impl Into<PathBuf>) -> Self

Creates a new JSON loader

Arguments

• path - the JSON file path

pub fn new_with_content_key( path: impl Into<PathBuf>, content_key: impl Into<String>, ) -> Self

Creates a JSON loader with a content field

Arguments

• path - the JSON file path
• content_key - the field name used as the document content

pub fn with_preserve_raw(self, preserve: bool) -> Self

Sets whether to keep the raw JSON

Trait Implementations

impl DocumentLoader for JSONLoader

fn load<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<Vec<Document>, LoaderError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Loads documents from the source