Class: TitleExtractor
Extract title from a list of nodes.
Extends
Constructors
new TitleExtractor()
new TitleExtractor(
options?):TitleExtractor
Constructor for the TitleExtractor class.
Parameters
• options?: TitleExtractorsArgs
Returns
Overrides
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:147
Properties
combineTemplate
combineTemplate:
string
The prompt template to merge title with..
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:138
disableTemplateRewrite
disableTemplateRewrite:
boolean=false
Inherited from
BaseExtractor.disableTemplateRewrite
Defined in
packages/llamaindex/src/extractors/types.ts:12
inPlace
inPlace:
boolean=true
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:13
isTextNodeOnly
isTextNodeOnly:
boolean=false
Can work for mixture of text and non-text nodes
Default
false
Overrides
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:119
llm
llm:
LLM<object,object>
LLM instance.
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:112
metadataMode
metadataMode:
MetadataMode=MetadataMode.ALL
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:11
nodeTemplate
nodeTemplate:
string
The prompt template to use for the title extractor.
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:132
nodes
nodes:
number=5
Number of nodes to extrct titles from.
Default
5
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:126
numWorkers
numWorkers:
number=4
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:14
showProgress
showProgress:
boolean=true
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:10
Methods
extract()
extract(
nodes):Promise<ExtractTitle[]>
Extract titles from a list of nodes.
Parameters
Nodes to extract titles from.
Returns
Promise<ExtractTitle[]>
Titles extracted from the nodes.
Overrides
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:164
processNodes()
processNodes(
nodes,excludedEmbedMetadataKeys,excludedLlmMetadataKeys):Promise<BaseNode<Metadata>[]>
Parameters
Nodes to extract metadata from.
• excludedEmbedMetadataKeys: undefined | string[] = undefined
Metadata keys to exclude from the embedding.
• excludedLlmMetadataKeys: undefined | string[] = undefined
Metadata keys to exclude from the LLM.
Returns
Metadata extracted from the nodes.
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:33
transform()
Parameters
• options?: any