mongodb-rag-core
Interfaces
Type Aliases
DatabaseConnection
Ƭ DatabaseConnection: Object
Type declaration
| Name | Type |
|---|---|
close | (force?: boolean) => Promise<void> |
drop | () => Promise<void> |
Defined in
packages/mongodb-rag-core/src/DatabaseConnection.ts:1
EmbedArgs
Ƭ EmbedArgs: Object
Type declaration
| Name | Type | Description |
|---|---|---|
text | string | The text to embed. |
Defined in
packages/mongodb-rag-core/src/Embedder.ts:1
EmbedResult
Ƭ EmbedResult: Object
Type declaration
| Name | Type | Description |
|---|---|---|
embedding | number[] | Vector embedding of the text. |
Defined in
packages/mongodb-rag-core/src/Embedder.ts:8
EmbeddedContentStore
Ƭ EmbeddedContentStore: VectorStore<EmbeddedContent> & { close?: () => Promise<void> ; deleteEmbeddedContent: (args: { page: Page }) => Promise<void> ; loadEmbeddedContent: (args: { page: Page }) => Promise<EmbeddedContent[]> ; updateEmbeddedContent: (args: { embeddedContent: EmbeddedContent[] ; page: Page }) => Promise<void> }
Data store of the embedded content.
Defined in
packages/mongodb-rag-core/src/EmbeddedContent.ts:60
Embedder
Ƭ Embedder: Object
Takes a string of text and returns an array of numbers representing the vector embedding of the text.
Type declaration
| Name | Type |
|---|---|
embed | (args: EmbedArgs) => Promise<EmbedResult> |
Defined in
packages/mongodb-rag-core/src/Embedder.ts:19
FindNearestNeighborsOptions
Ƭ FindNearestNeighborsOptions: Object
Options for performing a nearest-neighbor search.
Type declaration
| Name | Type | Description |
|---|---|---|
filter | Record<string, unknown> | Search filter expression. |
indexName | string | The name of the index to use. |
k | number | The number of nearest neighbors to return. |
minScore | number | The minimum nearest-neighbor score threshold between 0-1. |
numCandidates | number | Number of nearest neighbors to use during the search. Value must be less than or equal to 10000. You can't specify a number less than the number of documents to return (k). |
path | string | The keypath to the field with the vector data to use. |
Defined in
packages/mongodb-rag-core/src/VectorStore.ts:21
LoadPagesArgs
Ƭ LoadPagesArgs<QueryShape>: Object
Type parameters
| Name | Type |
|---|---|
QueryShape | unknown |
Type declaration
| Name | Type | Description |
|---|---|---|
query? | QueryShape | A custom query to refine the pages to load. |
sources? | string[] | The names of the sources to load pages from. If undefined, loads available pages from all sources. |
updated? | Date | If specified, refines the query to load pages with an updated date later or equal to the given date. |
urls? | string[] | If specified, refines the query to only load pages where the url is included in the list. |
Defined in
packages/mongodb-rag-core/src/Page.ts:61
MakeLangChainEmbedderParams
Ƭ MakeLangChainEmbedderParams: Object
Type declaration
| Name | Type | Description |
|---|---|---|
langChainEmbeddings | Embeddings | LangChain.js Embeddings instance. You can configure things like caching and retry behavior in the Embeddings instance. |
Defined in
packages/mongodb-rag-core/src/LangChainEmbedder.ts:3
MakeOpenAiEmbedderArgs
Ƭ MakeOpenAiEmbedderArgs: Object
Type declaration
| Name | Type | Description |
|---|---|---|
backoffOptions? | BackoffOptions | Options used for automatic retry (usually due to rate limiting). |
deployment | string | The deployment key. |
openAiClient | OpenAIClient | The OpenAI client. |
Defined in
packages/mongodb-rag-core/src/OpenAiEmbedder.ts:7
MakeTypeChatJsonTranslateFuncArgs
Ƭ MakeTypeChatJsonTranslateFuncArgs: Object
Type declaration
| Name | Type | Description |
|---|---|---|
azureOpenAiServiceConfig | AzureOpenAiServiceConfig | Settings for using the Azure service. |
numRetries? | number | Number of times to retry the query preprocessor if it fails. |
retryDelayMs? | number | Delay between retries in milliseconds. |
schema | string | The text of a .d.ts that would inform the schema. |
schemaName | string | The name of the TypeChat schema or interface. |
Defined in
packages/mongodb-rag-core/src/TypeChatJsonTranslateFunc.ts:11
MongoDbPageStore
Ƭ MongoDbPageStore: DatabaseConnection & Omit<PageStore, "loadPages"> & { queryType: "mongodb" ; loadPages: (args?: LoadPagesArgs<Filter<PersistedPage>>) => Promise<PersistedPage[]> }
Defined in
packages/mongodb-rag-core/src/MongoDbPageStore.ts:10
Page
Ƭ Page: Object
Represents a page from a data source.
Type declaration
| Name | Type | Description |
|---|---|---|
body | string | The text of the page. |
format | PageFormat | The file format of the page. This format determines how the page should be chunked and vector-embedded. |
metadata? | PageMetadata | Arbitrary metadata for page. |
sourceName | string | Data source name. |
title? | string | A human-readable title. |
url | string | - |
Defined in
packages/mongodb-rag-core/src/Page.ts:6
PageAction
Ƭ PageAction: "created" | "updated" | "deleted"
Defined in
packages/mongodb-rag-core/src/Page.ts:44
PageFormat
Ƭ PageFormat: typeof pageFormats[number]
A canonical page format.
Defined in
packages/mongodb-rag-core/src/PageFormat.ts:78
PageMetadata
Ƭ PageMetadata: Object
Index signature
▪ [k: string]: unknown
Type declaration
| Name | Type | Description |
|---|---|---|
tags? | string[] | Arbitrary tags. |
Defined in
packages/mongodb-rag-core/src/Page.ts:36
PageStore
Ƭ PageStore: Object
Data store for Page objects.
Type declaration
| Name | Type | Description |
|---|---|---|
close? | () => Promise<void> | Close connection to data store. |
queryType? | "mongodb" | string | The format that the store uses for custom queries. If not specified, the store does not allow custom queries. |
loadPages | (args?: LoadPagesArgs<unknown>) => Promise<PersistedPage[]> | Loads pages from the Page store. |
updatePages | (pages: PersistedPage[]) => Promise<void> | Updates or adds the given pages in the store. |
Defined in
packages/mongodb-rag-core/src/Page.ts:89
PersistedPage
Ƭ PersistedPage: Page & { action: PageAction ; updated: Date }
Represents a Page stored in the database.
Defined in
packages/mongodb-rag-core/src/Page.ts:49
Question
Ƭ Question: z.infer<typeof Question>
Defined in
packages/mongodb-rag-core/src/VerifiedAnswer.ts:5
packages/mongodb-rag-core/src/VerifiedAnswer.ts:12
Reference
Ƭ Reference: z.infer<typeof Reference>
A formatted reference for an assistant message.
For example, a Reference might be a docs page, dev center article, or a MongoDB University module.
Defined in
packages/mongodb-rag-core/src/services/conversations.ts:9
packages/mongodb-rag-core/src/services/conversations.ts:10
References
Ƭ References: z.infer<typeof References>
Defined in
packages/mongodb-rag-core/src/services/conversations.ts:15
packages/mongodb-rag-core/src/services/conversations.ts:16
VectorStore
Ƭ VectorStore<T>: Object
Generic vector store for vector-searchable data.
Type parameters
| Name |
|---|
T |
Type declaration
| Name | Type |
|---|---|
close? | () => Promise<void> |
findNearestNeighbors | (vector: number[], options?: Partial<FindNearestNeighborsOptions>) => Promise<WithScore<T>[]> |
Defined in
packages/mongodb-rag-core/src/VectorStore.ts:4
VerifiedAnswer
Ƭ VerifiedAnswer: z.infer<typeof VerifiedAnswer>
Defined in
packages/mongodb-rag-core/src/VerifiedAnswer.ts:14
packages/mongodb-rag-core/src/VerifiedAnswer.ts:25
VerifiedAnswerStore
Ƭ VerifiedAnswerStore: VectorStore<VerifiedAnswer>
Defined in
packages/mongodb-rag-core/src/VerifiedAnswer.ts:26
WithScore
Ƭ WithScore<T>: T & { score: number }
Type parameters
| Name |
|---|
T |
Defined in
packages/mongodb-rag-core/src/VectorStore.ts:16
Variables
CORE_ENV_VARS
• Const CORE_ENV_VARS: Object
Type declaration
| Name | Type |
|---|---|
MONGODB_CONNECTION_URI | string |
MONGODB_DATABASE_NAME | string |
NODE_ENV | string |
OPENAI_API_KEY | string |
OPENAI_CHAT_COMPLETION_DEPLOYMENT | string |
OPENAI_CHAT_COMPLETION_MODEL_VERSION | string |
OPENAI_EMBEDDING_DEPLOYMENT | string |
OPENAI_EMBEDDING_MODEL | string |
OPENAI_EMBEDDING_MODEL_VERSION | string |
OPENAI_ENDPOINT | string |
VECTOR_SEARCH_INDEX_NAME | string |
Defined in
packages/mongodb-rag-core/src/CoreEnvVars.ts:1
Question
• Const Question: ZodObject<{ embedding: ZodArray<ZodNumber, "many"> ; embedding_model: ZodString ; embedding_model_version: ZodString ; text: ZodString }, "strip", ZodTypeAny, { embedding: number[] ; embedding_model: string ; embedding_model_version: string ; text: string }, { embedding: number[] ; embedding_model: string ; embedding_model_version: string ; text: string }>
Defined in
packages/mongodb-rag-core/src/VerifiedAnswer.ts:5
packages/mongodb-rag-core/src/VerifiedAnswer.ts:12
Reference
• Reference: ZodObject<{ title: ZodString ; url: ZodString }, "strip", ZodTypeAny, { title: string ; url: string }, { title: string ; url: string }>
Defined in
packages/mongodb-rag-core/src/services/conversations.ts:9
packages/mongodb-rag-core/src/services/conversations.ts:10
References
• References: ZodArray<ZodObject<{ title: ZodString ; url: ZodString }, "strip", ZodTypeAny, { title: string ; url: string }, { title: string ; url: string }>, "many">
Defined in
packages/mongodb-rag-core/src/services/conversations.ts:15
packages/mongodb-rag-core/src/services/conversations.ts:16
VerifiedAnswer
• Const VerifiedAnswer: ZodObject<{ _id: ZodString ; answer: ZodString ; author_email: ZodString ; created: ZodDate ; hidden: ZodOptional<ZodBoolean> ; question: ZodObject<{ embedding: ZodArray<ZodNumber, "many"> ; embedding_model: ZodString ; embedding_model_version: ZodString ; text: ZodString }, "strip", ZodTypeAny, { embedding: number[] ; embedding_model: string ; embedding_model_version: string ; text: string }, { embedding: number[] ; embedding_model: string ; embedding_model_version: string ; text: string }> = Question; references: ZodArray<ZodObject<{ title: ZodString ; url: ZodString }, "strip", ZodTypeAny, { title: string ; url: string }, { title: string ; url: string }>, "many"> ; updated: ZodOptional<ZodDate> }, "strip", ZodTypeAny, { _id: string ; answer: string ; author_email: string ; created: Date ; hidden?: boolean ; question: { text: string; embedding: number[]; embedding_model: string; embedding_model_version: string; } = Question; references: { url: string; title: string; }[] ; updated?: Date }, { _id: string ; answer: string ; author_email: string ; created: Date ; hidden?: boolean ; question: { text: string; embedding: number[]; embedding_model: string; embedding_model_version: string; } = Question; references: { url: string; title: string; }[] ; updated?: Date }>
Defined in
packages/mongodb-rag-core/src/VerifiedAnswer.ts:14
packages/mongodb-rag-core/src/VerifiedAnswer.ts:25
logger
• Const logger: Logger
Defined in
packages/mongodb-rag-core/src/services/logger.ts:42
pageFormats
• Const pageFormats: ("txt" | "md" | "mdx" | "restructuredtext" | "csv" | "json" | "yaml" | "toml" | "xml" | "openapi-yaml" | "openapi-json" | "graphql" | "c" | "cpp" | "csharp" | "go" | "html" | "java" | "javascript" | "kotlin" | "latex" | "objective-c" | "php" | "python" | "ruby" | "rust" | "scala" | "shell" | "swift" | "typescript")[]
The list of canonical file formats that we support for pages.
Defined in
packages/mongodb-rag-core/src/PageFormat.ts:49
Functions
asPageFormat
▸ asPageFormat(str): undefined | "txt" | "md" | "mdx" | "restructuredtext" | "csv" | "json" | "yaml" | "toml" | "xml" | "openapi-yaml" | "openapi-json" | "graphql" | "c" | "cpp" | "csharp" | "go" | "html" | "java" | "javascript" | "kotlin" | "latex" | "objective-c" | "php" | "python" | "ruby" | "rust" | "scala" | "shell" | "swift" | "typescript"
Maps a string to the canonical page format it represents.
Parameters
| Name | Type |
|---|---|
str | string |
Returns
undefined | "txt" | "md" | "mdx" | "restructuredtext" | "csv" | "json" | "yaml" | "toml" | "xml" | "openapi-yaml" | "openapi-json" | "graphql" | "c" | "cpp" | "csharp" | "go" | "html" | "java" | "javascript" | "kotlin" | "latex" | "objective-c" | "php" | "python" | "ruby" | "rust" | "scala" | "shell" | "swift" | "typescript"
The canonical page format, or undefined if the string is not a recognized page format.
Defined in
packages/mongodb-rag-core/src/PageFormat.ts:67
assertEnvVars
▸ assertEnvVars<T>(ENV_VARS): T
Type parameters
| Name | Type |
|---|---|
T | extends Record<string, string> |
Parameters
| Name | Type |
|---|---|
ENV_VARS | T |
Returns
T
Defined in
packages/mongodb-rag-core/src/assertEnvVars.ts:1
createLoggerMessage
▸ createLoggerMessage(«destructured»): Object
Parameters
| Name | Type |
|---|---|
«destructured» | CreateMessageParams |
Returns
Object
| Name | Type |
|---|---|
ipAddress | undefined | string |
message | string |
requestBody | unknown |
requestId | undefined | string |
Defined in
packages/mongodb-rag-core/src/services/logger.ts:10
extractFrontMatter
▸ extractFrontMatter<T>(text, language?, delimiter?): Object
This function extracts frontmatter from a string. The generic type does not validate that the frontmatter conforms to the type. It just provides the type for developer convenience.
Type parameters
| Name | Type |
|---|---|
T | extends Record<string, unknown> |
Parameters
| Name | Type |
|---|---|
text | string |
language? | string |
delimiter? | string |
Returns
Object
| Name | Type |
|---|---|
body | string |
metadata? | T |
Defined in
packages/mongodb-rag-core/src/extractFrontMatter.ts:10
filterDefined
▸ filterDefined<T>(array): Exclude<T, undefined>[]
Given an array of possibly undefined T, return those that are defined.
Type parameters
| Name |
|---|
T |
Parameters
| Name | Type |
|---|---|
array | T[] |
Returns
Exclude<T, undefined>[]
Defined in
packages/mongodb-rag-core/src/arrayFilters.ts:14
filterFulfilled
▸ filterFulfilled<T>(array): PromiseFulfilledResult<T>[]
Given an array of PromiseSettledResults, return those that are fulfilled as PromiseFulfilledResults.
Type parameters
| Name |
|---|
T |
Parameters
| Name | Type |
|---|---|
array | PromiseSettledResult<T>[] |
Returns
PromiseFulfilledResult<T>[]
Defined in
packages/mongodb-rag-core/src/arrayFilters.ts:4
isPageFormat
▸ isPageFormat(str): str is "txt" | "md" | "mdx" | "restructuredtext" | "csv" | "json" | "yaml" | "toml" | "xml" | "openapi-yaml" | "openapi-json" | "graphql" | "c" | "cpp" | "csharp" | "go" | "html" | "java" | "javascript" | "kotlin" | "latex" | "objective-c" | "php" | "python" | "ruby" | "rust" | "scala" | "shell" | "swift" | "typescript"
Type guard to check if a string is a canonical page format.
Parameters
| Name | Type |
|---|---|
str | string |
Returns
str is "txt" | "md" | "mdx" | "restructuredtext" | "csv" | "json" | "yaml" | "toml" | "xml" | "openapi-yaml" | "openapi-json" | "graphql" | "c" | "cpp" | "csharp" | "go" | "html" | "java" | "javascript" | "kotlin" | "latex" | "objective-c" | "php" | "python" | "ruby" | "rust" | "scala" | "shell" | "swift" | "typescript"
Defined in
packages/mongodb-rag-core/src/PageFormat.ts:83
makeLangChainEmbedder
▸ makeLangChainEmbedder(«destructured»): Embedder
Constructor for implementation of the Embedder using a LangChain.js Embeddings class.
Parameters
| Name | Type |
|---|---|
«destructured» | MakeLangChainEmbedderParams |
Returns
Defined in
packages/mongodb-rag-core/src/LangChainEmbedder.ts:14
makeMongoDbEmbeddedContentStore
▸ makeMongoDbEmbeddedContentStore(«destructured»): EmbeddedContentStore & DatabaseConnection
Parameters
| Name | Type |
|---|---|
«destructured» | MakeMongoDbDatabaseConnectionParams |
Returns
EmbeddedContentStore & DatabaseConnection
Defined in
packages/mongodb-rag-core/src/MongoDbEmbeddedContentStore.ts:11
makeMongoDbPageStore
▸ makeMongoDbPageStore(«destructured»): MongoDbPageStore
Data store for Page objects using MongoDB.
Parameters
| Name | Type |
|---|---|
«destructured» | MakeMongoDbDatabaseConnectionParams |
Returns
Defined in
packages/mongodb-rag-core/src/MongoDbPageStore.ts:22
makeMongoDbVerifiedAnswerStore
▸ makeMongoDbVerifiedAnswerStore(«destructured»): VerifiedAnswerStore & DatabaseConnection
Parameters
| Name | Type |
|---|---|
«destructured» | MakeMongoDbDatabaseConnectionParams & { collectionName: string } |
Returns
VerifiedAnswerStore & DatabaseConnection
Defined in
packages/mongodb-rag-core/src/MongoDbVerifiedAnswerStore.ts:9
makeOpenAiEmbedder
▸ makeOpenAiEmbedder(«destructured»): Embedder
Constructor for implementation of the Embedder using OpenAI Embeddings API.
Parameters
| Name | Type |
|---|---|
«destructured» | MakeOpenAiEmbedderArgs |
Returns
Defined in
packages/mongodb-rag-core/src/OpenAiEmbedder.ts:28
makeTypeChatJsonTranslateFunc
▸ makeTypeChatJsonTranslateFunc<SchemaType>(«destructured»): (prompt: string) => Promise<SchemaType>
Type parameters
| Name | Type |
|---|---|
SchemaType | extends object |
Parameters
| Name | Type |
|---|---|
«destructured» | MakeTypeChatJsonTranslateFuncArgs |
Returns
fn
▸ (prompt): Promise<SchemaType>
Parameters
| Name | Type |
|---|---|
prompt | string |
Returns
Promise<SchemaType>
Defined in
packages/mongodb-rag-core/src/TypeChatJsonTranslateFunc.ts:38
pageFormat
▸ pageFormat(str, defaultPageFormat?): PageFormat
Converts a string to a canonical page format. If the string is not a recognized page format or a synonym for one, this returns a default page format.
Parameters
| Name | Type | Default value |
|---|---|---|
str | string | undefined |
defaultPageFormat | "txt" | "md" | "mdx" | "restructuredtext" | "csv" | "json" | "yaml" | "toml" | "xml" | "openapi-yaml" | "openapi-json" | "graphql" | "c" | "cpp" | "csharp" | "go" | "html" | "java" | "javascript" | "kotlin" | "latex" | "objective-c" | "php" | "python" | "ruby" | "rust" | "scala" | "shell" | "swift" | "typescript" | "txt" |
Returns
Defined in
packages/mongodb-rag-core/src/PageFormat.ts:92
removeFrontMatter
▸ removeFrontMatter(content, options?): string
Parameters
| Name | Type |
|---|---|
content | string |
options? | FrontMatterOptions |
Returns
string
Defined in
packages/mongodb-rag-core/src/removeFrontMatter.ts:2
updateFrontMatter
▸ updateFrontMatter(text, metadataIn): string
Parameters
| Name | Type |
|---|---|
text | string |
metadataIn | Record<string, unknown> |
Returns
string