Class: abstract BaseExtractor

Extended by

• KeywordExtractor
• QuestionsAnsweredExtractor
• SummaryExtractor
• TitleExtractor

Implements

• TransformComponent

Constructors

new BaseExtractor()

new BaseExtractor(): BaseExtractor

Returns

BaseExtractor

Properties

disableTemplateRewrite

disableTemplateRewrite: boolean = false

Defined in

packages/llamaindex/src/extractors/types.ts:13

---

inPlace

inPlace: boolean = true

Defined in

packages/llamaindex/src/extractors/types.ts:14

---

isTextNodeOnly

isTextNodeOnly: boolean = true

Defined in

packages/llamaindex/src/extractors/types.ts:10

---

metadataMode

metadataMode: MetadataMode = MetadataMode.ALL

Defined in

packages/llamaindex/src/extractors/types.ts:12

---

numWorkers

numWorkers: number = 4

Defined in

packages/llamaindex/src/extractors/types.ts:15

---

showProgress

showProgress: boolean = true

Defined in

packages/llamaindex/src/extractors/types.ts:11

Methods

extract()

abstract extract(nodes): Promise<Record<string, any>[]>

Parameters

• nodes: BaseNode<Metadata>[]

Returns

Promise<Record<string, any>[]>

Defined in

packages/llamaindex/src/extractors/types.ts:17

---

processNodes()

processNodes(nodes, excludedEmbedMetadataKeys, excludedLlmMetadataKeys): Promise<BaseNode<Metadata>[]>

Parameters

• nodes: BaseNode<Metadata>[]

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

Promise<BaseNode<Metadata>[]>

Metadata extracted from the nodes.

Defined in

packages/llamaindex/src/extractors/types.ts:34

---

transform()

transform(nodes, options?): Promise<BaseNode<Metadata>[]>

Parameters

• nodes: BaseNode<Metadata>[]

• options?: any

Returns

Promise<BaseNode<Metadata>[]>

Implementation of

TransformComponent.transform

Defined in

packages/llamaindex/src/extractors/types.ts:19