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Class: SentenceWindowNodeParser

A NodeParser generates Nodes from Documents

Implements​

Constructors​

new SentenceWindowNodeParser()​

new SentenceWindowNodeParser(init?): SentenceWindowNodeParser

Parameters​

• init?: Partial <SentenceWindowNodeParser>

Returns​

SentenceWindowNodeParser

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:36

Properties​

includeMetadata​

includeMetadata: boolean = true

Whether to include metadata in the nodes.

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:30

includePrevNextRel​

includePrevNextRel: boolean = true

Whether to include previous and next relationships in the nodes.

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:34

originalTextMetadataKey​

originalTextMetadataKey: string = DEFAULT_OG_TEXT_METADATA_KEY

The metadata key to store the original sentence in.

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:26

textSplitter​

textSplitter: SentenceSplitter

The text splitter to use.

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:14

windowMetadataKey​

windowMetadataKey: string = DEFAULT_WINDOW_METADATA_KEY

The metadata key to store the sentence window under.

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:22

windowSize​

windowSize: number = DEFAULT_WINDOW_SIZE

The number of sentences on each side of a sentence to capture.

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:18

Methods​

buildWindowNodesFromDocument()​

protected buildWindowNodesFromDocument(doc): BaseNode <Metadata>[]

Parameters​

• doc: BaseNode <Metadata>

Returns​

BaseNode <Metadata>[]

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:57

getNodesFromDocuments()​

getNodesFromDocuments(documents): BaseNode <Metadata>[]

Generates an array of nodes from an array of documents.

Parameters​

• documents: BaseNode <Metadata>[]

The documents to generate nodes from.

Returns​

BaseNode <Metadata>[]

An array of nodes.

Implementation of​

NodeParser . getNodesFromDocuments

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:51

transform()​

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

Parameters​

• nodes: BaseNode <Metadata>[]

• _options?: any

Returns​

Promise <BaseNode <Metadata>[]>

Implementation of​

NodeParser . transform

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:47

fromDefaults()​

static fromDefaults(init?): SentenceWindowNodeParser

Parameters​

• init?: Partial <SentenceWindowNodeParser>

Returns​

SentenceWindowNodeParser

Source​

packages/core/src/nodeParsers/SentenceWindowNodeParser.ts:41