@n8n/n8n-nodes-langchain
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JavaScript
;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var EmbeddingsGoogleVertex_node_exports = {};
__export(EmbeddingsGoogleVertex_node_exports, {
EmbeddingsGoogleVertex: () => EmbeddingsGoogleVertex
});
module.exports = __toCommonJS(EmbeddingsGoogleVertex_node_exports);
var import_resource_manager = require("@google-cloud/resource-manager");
var import_google_vertexai = require("@langchain/google-vertexai");
var import_utilities = require("n8n-nodes-base/dist/utils/utilities");
var import_n8n_workflow = require("n8n-workflow");
var import_logWrapper = require("../../../utils/logWrapper");
var import_sharedFields = require("../../../utils/sharedFields");
class EmbeddingsGoogleVertex {
constructor() {
this.methods = {
listSearch: {
async gcpProjectsList() {
const results = [];
const credentials = await this.getCredentials("googleApi");
const privateKey = (0, import_utilities.formatPrivateKey)(credentials.privateKey);
const email = credentials.email.trim();
const client = new import_resource_manager.ProjectsClient({
credentials: {
client_email: email,
private_key: privateKey
}
});
const [projects] = await client.searchProjects();
for (const project of projects) {
if (project.projectId) {
results.push({
name: project.displayName ?? project.projectId,
value: project.projectId
});
}
}
return { results };
}
}
};
this.description = {
displayName: "Embeddings Google Vertex",
name: "embeddingsGoogleVertex",
icon: "file:google.svg",
group: ["transform"],
version: 1,
description: "Use Google Vertex Embeddings",
defaults: {
name: "Embeddings Google Vertex"
},
requestDefaults: {
ignoreHttpStatusErrors: true,
baseURL: "={{ $credentials.host }}"
},
credentials: [
{
name: "googleApi",
required: true
}
],
codex: {
categories: ["AI"],
subcategories: {
AI: ["Embeddings"]
},
resources: {
primaryDocumentation: [
{
url: "https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.embeddingsgooglevertex/"
}
]
}
},
inputs: [],
outputs: [import_n8n_workflow.NodeConnectionTypes.AiEmbedding],
outputNames: ["Embeddings"],
properties: [
(0, import_sharedFields.getConnectionHintNoticeField)([import_n8n_workflow.NodeConnectionTypes.AiVectorStore]),
{
displayName: 'Each model is using different dimensional density for embeddings. Please make sure to use the same dimensionality for your vector store. The default model is using 768-dimensional embeddings. You can find available models <a href="https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/text-embeddings-api">here</a>.',
name: "notice",
type: "notice",
default: ""
},
{
displayName: "Project ID",
name: "projectId",
type: "resourceLocator",
default: { mode: "list", value: "" },
required: true,
description: "Select or enter your Google Cloud project ID",
modes: [
{
displayName: "From List",
name: "list",
type: "list",
typeOptions: {
searchListMethod: "gcpProjectsList"
}
},
{
displayName: "ID",
name: "id",
type: "string"
}
]
},
{
displayName: "Model Name",
name: "modelName",
type: "string",
description: 'The model which will generate the embeddings. <a href="https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/text-embeddings-api">Learn more</a>.',
default: "text-embedding-005"
}
]
};
}
async supplyData(itemIndex) {
const credentials = await this.getCredentials("googleApi");
const privateKey = (0, import_utilities.formatPrivateKey)(credentials.privateKey);
const email = credentials.email.trim();
const region = credentials.region;
const modelName = this.getNodeParameter("modelName", itemIndex);
const projectId = this.getNodeParameter("projectId", itemIndex, "", {
extractValue: true
});
const embeddings = new import_google_vertexai.VertexAIEmbeddings({
authOptions: {
projectId,
credentials: {
client_email: email,
private_key: privateKey
}
},
location: region,
model: modelName
});
return {
response: (0, import_logWrapper.logWrapper)(embeddings, this)
};
}
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
EmbeddingsGoogleVertex
});
//# sourceMappingURL=EmbeddingsGoogleVertex.node.js.map