dtamind-components
Version:
Apps integration for Dtamind. Contain Nodes and Credentials.
134 lines • 5.39 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const lodash_1 = require("lodash");
const brave_search_1 = require("@langchain/community/tools/brave_search");
const utils_1 = require("../../../src/utils");
const documents_1 = require("@langchain/core/documents");
class BraveSearchAPI_DocumentLoaders {
constructor() {
this.label = 'BraveSearch API Document Loader';
this.name = 'braveSearchApiLoader';
this.version = 2.0;
this.type = 'Document';
this.icon = 'brave.svg';
this.category = 'Document Loaders';
this.description = 'Load and process data from BraveSearch results';
this.baseClasses = [this.type];
this.credential = {
label: 'Connect Credential',
name: 'credential',
type: 'credential',
optional: false,
credentialNames: ['braveSearchApi']
};
this.inputs = [
{
label: 'Query',
name: 'query',
type: 'string'
},
{
label: 'Text Splitter',
name: 'textSplitter',
type: 'TextSplitter',
optional: true
},
{
label: 'Additional Metadata',
name: 'metadata',
type: 'json',
description: 'Additional metadata to be added to the extracted documents',
optional: true,
additionalParams: true
},
{
label: 'Omit Metadata Keys',
name: 'omitMetadataKeys',
type: 'string',
rows: 4,
description: 'Each document loader comes with a default set of metadata keys that are extracted from the document. You can use this field to omit some of the default metadata keys. The value should be a list of keys, separated by comma. Use * to omit all metadata keys except the ones you specify in the Additional Metadata field',
placeholder: 'key1, key2, key3.nestedKey1',
optional: true,
additionalParams: true
}
];
this.outputs = [
{
label: 'Document',
name: 'document',
description: 'Array of document objects containing metadata and pageContent',
baseClasses: [...this.baseClasses, 'json']
},
{
label: 'Text',
name: 'text',
description: 'Concatenated string from pageContent of documents',
baseClasses: ['string', 'json']
}
];
}
async init(nodeData, _, options) {
const textSplitter = nodeData.inputs?.textSplitter;
const query = nodeData.inputs?.query;
const metadata = nodeData.inputs?.metadata;
const _omitMetadataKeys = nodeData.inputs?.omitMetadataKeys;
const output = nodeData.outputs?.output;
let omitMetadataKeys = [];
if (_omitMetadataKeys) {
omitMetadataKeys = _omitMetadataKeys.split(',').map((key) => key.trim());
}
const credentialData = await (0, utils_1.getCredentialData)(nodeData.credential ?? '', options);
const braveApiKey = (0, utils_1.getCredentialParam)('braveApiKey', credentialData, nodeData);
const loader = new brave_search_1.BraveSearch({ apiKey: braveApiKey });
let docs = [];
const searchResults = await loader._call(query); // Use _call method for search
const parsedResults = JSON.parse(searchResults); // Parse the JSON string to get documents
// Format the results to match the expected Document structure
docs = parsedResults.map((result) => new documents_1.Document({
pageContent: result.snippet, // Assuming snippet is the content
metadata: {
title: result.title,
link: result.link
}
}));
if (textSplitter) {
docs = await textSplitter.splitDocuments(docs);
}
if (metadata) {
const parsedMetadata = typeof metadata === 'object' ? metadata : JSON.parse(metadata);
docs = docs.map((doc) => ({
...doc,
metadata: _omitMetadataKeys === '*'
? {
...parsedMetadata
}
: (0, lodash_1.omit)({
...doc.metadata,
...parsedMetadata
}, omitMetadataKeys)
}));
}
else {
docs = docs.map((doc) => ({
...doc,
metadata: _omitMetadataKeys === '*'
? {}
: (0, lodash_1.omit)({
...doc.metadata
}, omitMetadataKeys)
}));
}
if (output === 'document') {
return docs;
}
else {
let finaltext = '';
for (const doc of docs) {
finaltext += `${doc.pageContent}\n`;
}
return (0, utils_1.handleEscapeCharacters)(finaltext, false);
}
}
}
module.exports = { nodeClass: BraveSearchAPI_DocumentLoaders };
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