@llamaindex/core
Version:
LlamaIndex Core Module
921 lines (913 loc) • 33.2 kB
JavaScript
Object.defineProperty(exports, '__esModule', { value: true });
var env = require('@llamaindex/env');
var index_cjs$1 = require('../../decorator/dist/index.cjs');
var index_cjs = require('../../global/dist/index.cjs');
var index_cjs$2 = require('../../utils/dist/index.cjs');
var zod = require('zod');
function chunkSizeCheck(contentGetter, _context) {
return function(...args) {
const content = contentGetter.call(this, ...args);
const chunkSize = index_cjs.Settings.chunkSize;
const enableChunkSizeCheck = env.getEnv("ENABLE_CHUNK_SIZE_CHECK") === "true";
if (enableChunkSizeCheck && chunkSize !== undefined && content.length > chunkSize) {
console.warn(`Node (${this.id_}) is larger than chunk size: ${content.length} > ${chunkSize}`);
{
console.warn("Will truncate the content if it is larger than chunk size");
console.warn("If you want to disable this behavior:");
console.warn(" 1. Set Settings.chunkSize = undefined");
console.warn(" 2. Set Settings.chunkSize to a larger value");
console.warn(" 3. Change the way of splitting content into smaller chunks");
}
return content.slice(0, chunkSize);
}
return content;
};
}
function applyDecs2203RFactory() {
function createAddInitializerMethod(initializers, decoratorFinishedRef) {
return function addInitializer(initializer) {
assertNotFinished(decoratorFinishedRef, "addInitializer");
assertCallable(initializer, "An initializer");
initializers.push(initializer);
};
}
function memberDec(dec, name, desc, initializers, kind, isStatic, isPrivate, metadata, value) {
var kindStr;
switch(kind){
case 1:
kindStr = "accessor";
break;
case 2:
kindStr = "method";
break;
case 3:
kindStr = "getter";
break;
case 4:
kindStr = "setter";
break;
default:
kindStr = "field";
}
var ctx = {
kind: kindStr,
name: isPrivate ? "#" + name : name,
static: isStatic,
private: isPrivate,
metadata: metadata
};
var decoratorFinishedRef = {
v: false
};
ctx.addInitializer = createAddInitializerMethod(initializers, decoratorFinishedRef);
var get, set;
if (kind === 0) {
if (isPrivate) {
get = desc.get;
set = desc.set;
} else {
get = function() {
return this[name];
};
set = function(v) {
this[name] = v;
};
}
} else if (kind === 2) {
get = function() {
return desc.value;
};
} else {
if (kind === 1 || kind === 3) {
get = function() {
return desc.get.call(this);
};
}
if (kind === 1 || kind === 4) {
set = function(v) {
desc.set.call(this, v);
};
}
}
ctx.access = get && set ? {
get: get,
set: set
} : get ? {
get: get
} : {
set: set
};
try {
return dec(value, ctx);
} finally{
decoratorFinishedRef.v = true;
}
}
function assertNotFinished(decoratorFinishedRef, fnName) {
if (decoratorFinishedRef.v) {
throw new Error("attempted to call " + fnName + " after decoration was finished");
}
}
function assertCallable(fn, hint) {
if (typeof fn !== "function") {
throw new TypeError(hint + " must be a function");
}
}
function assertValidReturnValue(kind, value) {
var type = typeof value;
if (kind === 1) {
if (type !== "object" || value === null) {
throw new TypeError("accessor decorators must return an object with get, set, or init properties or void 0");
}
if (value.get !== undefined) {
assertCallable(value.get, "accessor.get");
}
if (value.set !== undefined) {
assertCallable(value.set, "accessor.set");
}
if (value.init !== undefined) {
assertCallable(value.init, "accessor.init");
}
} else if (type !== "function") {
var hint;
if (kind === 0) {
hint = "field";
} else if (kind === 10) {
hint = "class";
} else {
hint = "method";
}
throw new TypeError(hint + " decorators must return a function or void 0");
}
}
function applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, initializers, metadata) {
var decs = decInfo[0];
var desc, init, value;
if (isPrivate) {
if (kind === 0 || kind === 1) {
desc = {
get: decInfo[3],
set: decInfo[4]
};
} else if (kind === 3) {
desc = {
get: decInfo[3]
};
} else if (kind === 4) {
desc = {
set: decInfo[3]
};
} else {
desc = {
value: decInfo[3]
};
}
} else if (kind !== 0) {
desc = Object.getOwnPropertyDescriptor(base, name);
}
if (kind === 1) {
value = {
get: desc.get,
set: desc.set
};
} else if (kind === 2) {
value = desc.value;
} else if (kind === 3) {
value = desc.get;
} else if (kind === 4) {
value = desc.set;
}
var newValue, get, set;
if (typeof decs === "function") {
newValue = memberDec(decs, name, desc, initializers, kind, isStatic, isPrivate, metadata, value);
if (newValue !== void 0) {
assertValidReturnValue(kind, newValue);
if (kind === 0) {
init = newValue;
} else if (kind === 1) {
init = newValue.init;
get = newValue.get || value.get;
set = newValue.set || value.set;
value = {
get: get,
set: set
};
} else {
value = newValue;
}
}
} else {
for(var i = decs.length - 1; i >= 0; i--){
var dec = decs[i];
newValue = memberDec(dec, name, desc, initializers, kind, isStatic, isPrivate, metadata, value);
if (newValue !== void 0) {
assertValidReturnValue(kind, newValue);
var newInit;
if (kind === 0) {
newInit = newValue;
} else if (kind === 1) {
newInit = newValue.init;
get = newValue.get || value.get;
set = newValue.set || value.set;
value = {
get: get,
set: set
};
} else {
value = newValue;
}
if (newInit !== void 0) {
if (init === void 0) {
init = newInit;
} else if (typeof init === "function") {
init = [
init,
newInit
];
} else {
init.push(newInit);
}
}
}
}
}
if (kind === 0 || kind === 1) {
if (init === void 0) {
init = function(instance, init) {
return init;
};
} else if (typeof init !== "function") {
var ownInitializers = init;
init = function(instance, init) {
var value = init;
for(var i = 0; i < ownInitializers.length; i++){
value = ownInitializers[i].call(instance, value);
}
return value;
};
} else {
var originalInitializer = init;
init = function(instance, init) {
return originalInitializer.call(instance, init);
};
}
ret.push(init);
}
if (kind !== 0) {
if (kind === 1) {
desc.get = value.get;
desc.set = value.set;
} else if (kind === 2) {
desc.value = value;
} else if (kind === 3) {
desc.get = value;
} else if (kind === 4) {
desc.set = value;
}
if (isPrivate) {
if (kind === 1) {
ret.push(function(instance, args) {
return value.get.call(instance, args);
});
ret.push(function(instance, args) {
return value.set.call(instance, args);
});
} else if (kind === 2) {
ret.push(value);
} else {
ret.push(function(instance, args) {
return value.call(instance, args);
});
}
} else {
Object.defineProperty(base, name, desc);
}
}
}
function applyMemberDecs(Class, decInfos, metadata) {
var ret = [];
var protoInitializers;
var staticInitializers;
var existingProtoNonFields = new Map();
var existingStaticNonFields = new Map();
for(var i = 0; i < decInfos.length; i++){
var decInfo = decInfos[i];
if (!Array.isArray(decInfo)) continue;
var kind = decInfo[1];
var name = decInfo[2];
var isPrivate = decInfo.length > 3;
var isStatic = kind >= 5;
var base;
var initializers;
if (isStatic) {
base = Class;
kind = kind - 5;
staticInitializers = staticInitializers || [];
initializers = staticInitializers;
} else {
base = Class.prototype;
protoInitializers = protoInitializers || [];
initializers = protoInitializers;
}
if (kind !== 0 && !isPrivate) {
var existingNonFields = isStatic ? existingStaticNonFields : existingProtoNonFields;
var existingKind = existingNonFields.get(name) || 0;
if (existingKind === true || existingKind === 3 && kind !== 4 || existingKind === 4 && kind !== 3) {
throw new Error("Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: " + name);
} else if (!existingKind && kind > 2) {
existingNonFields.set(name, kind);
} else {
existingNonFields.set(name, true);
}
}
applyMemberDec(ret, base, decInfo, name, kind, isStatic, isPrivate, initializers, metadata);
}
pushInitializers(ret, protoInitializers);
pushInitializers(ret, staticInitializers);
return ret;
}
function pushInitializers(ret, initializers) {
if (initializers) {
ret.push(function(instance) {
for(var i = 0; i < initializers.length; i++){
initializers[i].call(instance);
}
return instance;
});
}
}
function applyClassDecs(targetClass, classDecs, metadata) {
if (classDecs.length > 0) {
var initializers = [];
var newClass = targetClass;
var name = targetClass.name;
for(var i = classDecs.length - 1; i >= 0; i--){
var decoratorFinishedRef = {
v: false
};
try {
var nextNewClass = classDecs[i](newClass, {
kind: "class",
name: name,
addInitializer: createAddInitializerMethod(initializers, decoratorFinishedRef),
metadata
});
} finally{
decoratorFinishedRef.v = true;
}
if (nextNewClass !== undefined) {
assertValidReturnValue(10, nextNewClass);
newClass = nextNewClass;
}
}
return [
defineMetadata(newClass, metadata),
function() {
for(var i = 0; i < initializers.length; i++){
initializers[i].call(newClass);
}
}
];
}
}
function defineMetadata(Class, metadata) {
return Object.defineProperty(Class, Symbol.metadata || Symbol.for("Symbol.metadata"), {
configurable: true,
enumerable: true,
value: metadata
});
}
return function applyDecs2203R(targetClass, memberDecs, classDecs, parentClass) {
if (parentClass !== void 0) {
var parentMetadata = parentClass[Symbol.metadata || Symbol.for("Symbol.metadata")];
}
var metadata = Object.create(parentMetadata === void 0 ? null : parentMetadata);
var e = applyMemberDecs(targetClass, memberDecs, metadata);
if (!classDecs.length) defineMetadata(targetClass, metadata);
return {
e: e,
get c () {
return applyClassDecs(targetClass, classDecs, metadata);
}
};
};
}
function _apply_decs_2203_r(targetClass, memberDecs, classDecs, parentClass) {
return (_apply_decs_2203_r = applyDecs2203RFactory())(targetClass, memberDecs, classDecs, parentClass);
}
var _init_hash, _initProto, _initProto1;
var NodeRelationship = /*#__PURE__*/ function(NodeRelationship) {
NodeRelationship["SOURCE"] = "SOURCE";
NodeRelationship["PREVIOUS"] = "PREVIOUS";
NodeRelationship["NEXT"] = "NEXT";
NodeRelationship["PARENT"] = "PARENT";
NodeRelationship["CHILD"] = "CHILD";
return NodeRelationship;
}({});
var ObjectType = /*#__PURE__*/ function(ObjectType) {
ObjectType["TEXT"] = "TEXT";
ObjectType["IMAGE"] = "IMAGE";
ObjectType["INDEX"] = "INDEX";
ObjectType["DOCUMENT"] = "DOCUMENT";
ObjectType["IMAGE_DOCUMENT"] = "IMAGE_DOCUMENT";
return ObjectType;
}({});
var MetadataMode = /*#__PURE__*/ function(MetadataMode) {
MetadataMode["ALL"] = "ALL";
MetadataMode["EMBED"] = "EMBED";
MetadataMode["LLM"] = "LLM";
MetadataMode["NONE"] = "NONE";
return MetadataMode;
}({});
/**
* Generic abstract class for retrievable nodes
*/ class BaseNode {
static{
({ e: [_init_hash, _initProto] } = _apply_decs_2203_r(this, [
[
index_cjs$1.lazyInitHash,
1,
"hash"
]
], []));
}
#___private_hash_1;
get hash() {
return this.#___private_hash_1;
}
set hash(_v) {
this.#___private_hash_1 = _v;
}
constructor(init){
this.#___private_hash_1 = (_initProto(this), _init_hash(this, ""));
const { id_, metadata, excludedEmbedMetadataKeys, excludedLlmMetadataKeys, relationships, hash, embedding } = init || {};
this.id_ = id_ ?? env.randomUUID();
this.metadata = metadata ?? {};
this.excludedEmbedMetadataKeys = excludedEmbedMetadataKeys ?? [];
this.excludedLlmMetadataKeys = excludedLlmMetadataKeys ?? [];
this.relationships = relationships ?? {};
this.embedding = embedding;
}
get sourceNode() {
const relationship = this.relationships["SOURCE"];
if (Array.isArray(relationship)) {
throw new Error("Source object must be a single RelatedNodeInfo object");
}
return relationship;
}
get prevNode() {
const relationship = this.relationships["PREVIOUS"];
if (Array.isArray(relationship)) {
throw new Error("Previous object must be a single RelatedNodeInfo object");
}
return relationship;
}
get nextNode() {
const relationship = this.relationships["NEXT"];
if (Array.isArray(relationship)) {
throw new Error("Next object must be a single RelatedNodeInfo object");
}
return relationship;
}
get parentNode() {
const relationship = this.relationships["PARENT"];
if (Array.isArray(relationship)) {
throw new Error("Parent object must be a single RelatedNodeInfo object");
}
return relationship;
}
get childNodes() {
const relationship = this.relationships["CHILD"];
if (!Array.isArray(relationship)) {
throw new Error("Child object must be a an array of RelatedNodeInfo objects");
}
return relationship;
}
getEmbedding() {
if (this.embedding === undefined) {
throw new Error("Embedding not set");
}
return this.embedding;
}
asRelatedNodeInfo() {
return {
nodeId: this.id_,
metadata: this.metadata,
hash: this.hash
};
}
/**
* Called by built in JSON.stringify (see https://javascript.info/json)
* Properties are read-only as they are not deep-cloned (not necessary for stringification).
* @see toMutableJSON - use to return a mutable JSON instead
*/ // eslint-disable-next-line @typescript-eslint/no-explicit-any
toJSON() {
return {
...this,
type: this.type,
// hash is an accessor property, so it's not included in the rest operator
hash: this.hash
};
}
clone() {
return jsonToNode(this.toMutableJSON());
}
/**
* Converts the object to a JSON representation.
* Properties can be safely modified as a deep clone of the properties are created.
* @return {Record<string, any>} - The JSON representation of the object.
*/ // eslint-disable-next-line @typescript-eslint/no-explicit-any
toMutableJSON() {
return structuredClone(this.toJSON());
}
}
/**
* TextNode is the default node type for text. Most common node type in LlamaIndex.TS
*/ class TextNode extends BaseNode {
static{
({ e: [_initProto1] } = _apply_decs_2203_r(this, [
[
chunkSizeCheck,
2,
"getContent"
]
], []));
}
constructor(init = {}){
super(init), _initProto1(this);
const { text, textTemplate, startCharIdx, endCharIdx, metadataSeparator } = init;
this.text = text ?? "";
this.textTemplate = textTemplate ?? "";
if (startCharIdx) {
this.startCharIdx = startCharIdx;
}
if (endCharIdx) {
this.endCharIdx = endCharIdx;
}
this.metadataSeparator = metadataSeparator ?? "\n";
}
/**
* Generate a hash of the text node.
* The ID is not part of the hash as it can change independent of content.
* @returns
*/ generateHash() {
const hashFunction = env.createSHA256();
hashFunction.update(`type=${this.type}`);
hashFunction.update(`startCharIdx=${this.startCharIdx} endCharIdx=${this.endCharIdx}`);
hashFunction.update(this.getContent("ALL"));
return hashFunction.digest();
}
get type() {
return "TEXT";
}
getContent(metadataMode = "NONE") {
const metadataStr = this.getMetadataStr(metadataMode).trim();
return `${metadataStr}\n\n${this.text}`.trim();
}
getMetadataStr(metadataMode) {
if (metadataMode === "NONE") {
return "";
}
const usableMetadataKeys = new Set(Object.keys(this.metadata).sort());
if (metadataMode === "LLM") {
for (const key of this.excludedLlmMetadataKeys){
usableMetadataKeys.delete(key);
}
} else if (metadataMode === "EMBED") {
for (const key of this.excludedEmbedMetadataKeys){
usableMetadataKeys.delete(key);
}
}
return [
...usableMetadataKeys
].map((key)=>`${key}: ${this.metadata[key]}`).join(this.metadataSeparator);
}
setContent(value) {
this.text = value;
this.hash = this.generateHash();
}
getNodeInfo() {
return {
start: this.startCharIdx,
end: this.endCharIdx
};
}
getText() {
return this.getContent("NONE");
}
}
class IndexNode extends TextNode {
constructor(init){
super(init);
const { indexId } = init || {};
this.indexId = indexId ?? "";
}
get type() {
return "INDEX";
}
}
/**
* A document is just a special text node with a docId.
*/ class Document extends TextNode {
constructor(init){
super(init);
}
get type() {
return "DOCUMENT";
}
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function jsonToNode(json, type) {
if (!json.type && !type) {
throw new Error("Node type not found");
}
const nodeType = type || json.type;
switch(nodeType){
case "TEXT":
return new TextNode(json);
case "INDEX":
return new IndexNode(json);
case "DOCUMENT":
return new Document(json);
case "IMAGE_DOCUMENT":
return new ImageDocument(json);
default:
throw new Error(`Invalid node type: ${nodeType}`);
}
}
class ImageNode extends TextNode {
constructor(init){
super(init);
const { image } = init;
this.image = image;
}
get type() {
return "IMAGE";
}
getUrl() {
// id_ stores the relative path, convert it to the URL of the file
const absPath = env.path.resolve(this.id_);
return new URL(`file://${absPath}`);
}
// Calculates the image part of the hash
generateImageHash() {
const hashFunction = env.createSHA256();
if (this.image instanceof Blob) {
// TODO: ideally we should use the blob's content to calculate the hash:
// hashFunction.update(new Uint8Array(await this.image.arrayBuffer()));
// as this is async, we're using the node's ID for the time being
hashFunction.update(this.id_);
} else if (this.image instanceof URL) {
hashFunction.update(this.image.toString());
} else if (typeof this.image === "string") {
hashFunction.update(this.image);
} else {
throw new Error(`Unknown image type: ${typeof this.image}. Can't calculate hash`);
}
return hashFunction.digest();
}
generateHash() {
const hashFunction = env.createSHA256();
// calculates hash based on hash of both components (image and text)
hashFunction.update(super.generateHash());
hashFunction.update(this.generateImageHash());
return hashFunction.digest();
}
}
class ImageDocument extends ImageNode {
constructor(init){
super(init);
}
get type() {
return "IMAGE_DOCUMENT";
}
}
var ModalityType = /*#__PURE__*/ function(ModalityType) {
ModalityType["TEXT"] = "TEXT";
ModalityType["IMAGE"] = "IMAGE";
return ModalityType;
}({});
function splitNodesByType(nodes) {
const result = {};
for (const node of nodes){
let type;
if (node.type === "IMAGE" || node.type === "IMAGE_DOCUMENT") {
type = "IMAGE";
} else if (node.type === "TEXT" || node.type === "DOCUMENT" || node.type === "INDEX") {
type = "TEXT";
} else {
throw new Error(`Unknown node type: ${node.type}`);
}
if (type in result) {
result[type]?.push(node);
} else {
result[type] = [
node
];
}
}
return result;
}
function buildNodeFromSplits(textSplits, doc, refDoc = doc, idGenerator = ()=>env.randomUUID()) {
const nodes = [];
const relationships = {
["SOURCE"]: refDoc.asRelatedNodeInfo()
};
textSplits.forEach((textChunk, i)=>{
if (doc.type === "IMAGE" || doc.type === "IMAGE_DOCUMENT") {
const imageDoc = doc;
const imageNode = new ImageNode({
id_: idGenerator(i, imageDoc),
text: textChunk,
image: imageDoc.image,
embedding: imageDoc.embedding,
excludedEmbedMetadataKeys: [
...imageDoc.excludedEmbedMetadataKeys
],
excludedLlmMetadataKeys: [
...imageDoc.excludedLlmMetadataKeys
],
metadataSeparator: imageDoc.metadataSeparator,
textTemplate: imageDoc.textTemplate,
relationships: {
...relationships
}
});
nodes.push(imageNode);
} else if (doc.type === "DOCUMENT" || doc.type === "TEXT") {
const textDoc = doc;
const node = new TextNode({
id_: idGenerator(i, textDoc),
text: textChunk,
embedding: textDoc.embedding,
excludedEmbedMetadataKeys: [
...textDoc.excludedEmbedMetadataKeys
],
excludedLlmMetadataKeys: [
...textDoc.excludedLlmMetadataKeys
],
metadataSeparator: textDoc.metadataSeparator,
textTemplate: textDoc.textTemplate,
relationships: {
...relationships
}
});
nodes.push(node);
} else {
throw new Error(`Unknown document type: ${doc.type}`);
}
});
return nodes;
}
// eslint-disable-next-line @typescript-eslint/no-unsafe-declaration-merging
class TransformComponent {
constructor(transformFn){
Object.defineProperties(transformFn, Object.getOwnPropertyDescriptors(this.constructor.prototype));
const transform = function transform(...args) {
return transformFn(...args);
};
Reflect.setPrototypeOf(transform, new.target.prototype);
transform.id = env.randomUUID();
return transform;
}
}
/**
* A FileReader takes file paths and imports data into Document objects.
*/ class FileReader {
async loadData(filePath) {
let fileContent;
let filename;
// Check if filePath is a URL
if (filePath.startsWith("http://") || filePath.startsWith("https://")) {
// Handle URL
const response = await fetch(filePath);
if (!response.ok) {
throw new Error(`Failed to fetch URL: ${filePath}, status: ${response.status}`);
}
const buffer = await response.arrayBuffer();
fileContent = new Uint8Array(buffer);
// Extract filename from URL
const url = new URL(filePath);
filename = env.path.basename(url.pathname) || "url_document";
} else {
// Handle local file
fileContent = await env.fs.readFile(filePath);
filename = env.path.basename(filePath);
}
const docs = await this.loadDataAsContent(fileContent, filename);
docs.forEach(FileReader.addMetaData(filePath));
return docs;
}
static addMetaData(filePath) {
return (doc, index)=>{
// generate id as loadDataAsContent is only responsible for the content
doc.id_ = `${filePath}_${index + 1}`;
doc.metadata["file_path"] = env.path.resolve(filePath);
doc.metadata["file_name"] = env.path.basename(filePath);
};
}
}
class EngineResponse {
constructor(chatResponse, stream, sourceNodes){
this.metadata = {};
this.message = chatResponse.message;
this.raw = chatResponse.raw;
this.sourceNodes = sourceNodes;
this.stream = stream;
}
static fromResponse(response, stream, sourceNodes) {
return new EngineResponse(EngineResponse.toChatResponse(response), stream, sourceNodes);
}
static toChatResponse(response, raw = null) {
return {
message: {
content: response,
role: "assistant"
},
raw
};
}
static fromChatResponse(chatResponse, sourceNodes) {
return new EngineResponse(chatResponse, false, sourceNodes);
}
static fromChatResponseChunk(chunk, sourceNodes) {
return new EngineResponse(EngineResponse.toChatResponse(chunk.delta, chunk.raw), true, sourceNodes);
}
/**
* @deprecated Use `message` instead.
*/ get response() {
return index_cjs$2.extractText(this.message.content);
}
get delta() {
if (!this.stream) {
console.warn("delta is only available for streaming responses. Consider using 'message' instead.");
}
return index_cjs$2.extractText(this.message.content);
}
toString() {
return this.response ?? "";
}
}
const anyFunctionSchema = zod.z.function(zod.z.tuple([]).rest(zod.z.any()), zod.z.any());
const toolMetadataSchema = zod.z.object({
description: zod.z.string(),
name: zod.z.string(),
parameters: zod.z.record(zod.z.any())
});
const baseToolSchema = zod.z.object({
call: anyFunctionSchema.optional(),
metadata: toolMetadataSchema
});
const baseToolWithCallSchema = baseToolSchema.extend({
call: zod.z.function()
});
const sentenceSplitterSchema = zod.z.object({
chunkSize: zod.z.number({
description: "The token chunk size for each chunk."
}).gt(0).optional().default(()=>index_cjs.Settings.chunkSize ?? 1024),
chunkOverlap: zod.z.number({
description: "The token overlap of each chunk when splitting."
}).gte(0).optional().default(200),
separator: zod.z.string({
description: "Default separator for splitting into words"
}).default(" "),
paragraphSeparator: zod.z.string({
description: "Separator between paragraphs."
}).optional().default("\n\n\n"),
secondaryChunkingRegex: zod.z.string({
description: "Backup regex for splitting into sentences."
}).optional().default("[^,.;。？！]+[,.;。？！]?")
}).refine((data)=>data.chunkOverlap < data.chunkSize, "Chunk overlap must be less than chunk size.");
const sentenceWindowNodeParserSchema = zod.z.object({
windowSize: zod.z.number({
description: "The number of sentences on each side of a sentence to capture."
}).gt(0).default(3),
windowMetadataKey: zod.z.string({
description: "The metadata key to store the sentence window under."
}).default("window"),
originalTextMetadataKey: zod.z.string({
description: "The metadata key to store the original sentence in."
}).default("originalText")
});
exports.BaseNode = BaseNode;
exports.Document = Document;
exports.EngineResponse = EngineResponse;
exports.FileReader = FileReader;
exports.ImageDocument = ImageDocument;
exports.ImageNode = ImageNode;
exports.IndexNode = IndexNode;
exports.MetadataMode = MetadataMode;
exports.ModalityType = ModalityType;
exports.NodeRelationship = NodeRelationship;
exports.ObjectType = ObjectType;
exports.TextNode = TextNode;
exports.TransformComponent = TransformComponent;
exports.anyFunctionSchema = anyFunctionSchema;
exports.baseToolSchema = baseToolSchema;
exports.baseToolWithCallSchema = baseToolWithCallSchema;
exports.buildNodeFromSplits = buildNodeFromSplits;
exports.jsonToNode = jsonToNode;
exports.sentenceSplitterSchema = sentenceSplitterSchema;
exports.sentenceWindowNodeParserSchema = sentenceWindowNodeParserSchema;
exports.splitNodesByType = splitNodesByType;
exports.toolMetadataSchema = toolMetadataSchema;