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[Components] langfuse - new components
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12 files changed

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‎components/langfuse/actions/add-feedback/add-feedback.mjs‎

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import app from "../../langfuse.app.mjs";
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export default {
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key: "langfuse-add-feedback",
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name: "Add Feedback",
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description: "Attach user feedback to an existing trace in Langfuse. [See the documentation](https://api.reference.langfuse.com/#tag/comments/POST/api/public/comments).",
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version: "0.0.1",
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type: "action",
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props: {
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app,
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projectId: {
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propDefinition: [
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app,
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"projectId",
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],
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},
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objectType: {
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propDefinition: [
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app,
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"objectType",
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],
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},
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objectId: {
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type: "string",
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label: "Object ID",
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description: "The id of the object to attach the comment to. If this does not reference a valid existing object, an error will be thrown.",
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},
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content: {
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type: "string",
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label: "Content",
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description: "The content of the comment. May include markdown. Currently limited to 3000 characters.",
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},
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},
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methods: {
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addFeedback(args = {}) {
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return this.app.post({
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path: "/comments",
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...args,
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});
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},
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},
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async run({ $ }) {
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const {
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addFeedback,
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projectId,
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objectType,
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objectId,
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content,
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} = this;
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const response = await addFeedback({
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$,
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data: {
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projectId,
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objectType,
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objectId,
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content,
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},
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});
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$.export("$summary", "Successfully added feedback.");
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return response;
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},
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};

‎components/langfuse/actions/log-trace/log-trace.mjs‎

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import { v4 as uuid } from "uuid";
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import app from "../../langfuse.app.mjs";
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import constants from "../../common/constants.mjs";
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export default {
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key: "langfuse-log-trace",
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name: "Log Trace",
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description: "Log a new trace in LangFuse with details. [See the documentation](https://api.reference.langfuse.com/#tag/ingestion/POST/api/public/ingestion).",
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version: "0.0.1",
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type: "action",
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props: {
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app,
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name: {
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type: "string",
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label: "Name",
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description: "The name of the trace",
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},
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input: {
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type: "string",
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label: "Input",
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description: "The input of the trace",
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},
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output: {
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type: "string",
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label: "Output",
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description: "The output of the trace",
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},
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userId: {
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type: "string",
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label: "User ID",
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description: "The ID of the user",
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optional: true,
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},
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sessionId: {
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type: "string",
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label: "Session ID",
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description: "The ID of the session",
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optional: true,
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},
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release: {
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type: "string",
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label: "Release",
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description: "The release of the trace",
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optional: true,
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},
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version: {
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type: "string",
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label: "Version",
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description: "The version of the trace",
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optional: true,
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},
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metadata: {
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type: "string",
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label: "Metadata",
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description: "The metadata of the trace",
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optional: true,
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},
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tags: {
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type: "string[]",
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label: "Tags",
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description: "The tags of the trace",
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optional: true,
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},
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},
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methods: {
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batchIngestion(args = {}) {
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return this.app.post({
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path: "/ingestion",
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...args,
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});
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},
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},
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async run({ $ }) {
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const {
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batchIngestion,
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name,
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userId,
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input,
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output,
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sessionId,
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release,
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version,
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metadata,
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tags,
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} = this;
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const timestamp = new Date().toISOString();
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const id = uuid();
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const response = await batchIngestion({
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$,
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data: {
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batch: [
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{
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id,
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timestamp,
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type: constants.INGESTION_TYPE.TRACE_CREATE,
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body: {
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id,
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timestamp,
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name,
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userId,
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input,
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output,
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sessionId,
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release,
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version,
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metadata,
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tags,
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public: true,
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},
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},
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],
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},
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});
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$.export("$summary", "Successfully logged a new trace");
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return response;
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},
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};

‎components/langfuse/common/constants.mjs‎

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const REGION_PLACEHOLDER = "{region}";
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const BASE_URL = "https://{region}.langfuse.com";
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const VERSION_PATH = "/api/public";
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const INGESTION_TYPE = {
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TRACE_CREATE: "trace-create",
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SCORE_CREATE: "score-create",
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SPAN_CREATE: "span-create",
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SPAN_UPDATE: "span-update",
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GENERATION_CREATE: "generation-create",
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GENERATION_UPDATE: "generation-update",
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EVENT_CREATE: "event-create",
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SDK_LOG: "sdk-log",
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OBSERVATION_CREATE: "observation-create",
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OBSERVATION_UPDATE: "observation-update",
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};
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const LAST_DATE_AT = "lastDateAt";
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const IS_FIRST_RUN = "isFirstRun";
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const DEFAULT_LIMIT = 100;
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const DEFAULT_MAX = 1000;
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export default {
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REGION_PLACEHOLDER,
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BASE_URL,
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VERSION_PATH,
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INGESTION_TYPE,
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LAST_DATE_AT,
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IS_FIRST_RUN,
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DEFAULT_LIMIT,
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DEFAULT_MAX,
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};

‎components/langfuse/common/utils.mjs‎

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async function iterate(iterations) {
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const items = [];
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for await (const item of iterations) {
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items.push(item);
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}
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return items;
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}
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function getNestedProperty(obj, propertyString) {
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const properties = propertyString.split(".");
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return properties.reduce((prev, curr) => prev?.[curr], obj);
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}
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export default {
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iterate,
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getNestedProperty,
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};

‎components/langfuse/langfuse.app.mjs‎

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import { axios } from "@pipedream/platform";
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import utils from "./common/utils.mjs";
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import constants from "./common/constants.mjs";
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export default {
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type: "app",
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app: "langfuse",
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propDefinitions: {},
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propDefinitions: {
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projectId: {
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type: "string",
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label: "Trace ID",
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description: "The ID of the trace to attach feedback to or to filter by for events.",
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async options() {
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const { data } = await this.listProjects();
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return data.map(({
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id: value, name: label,
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}) => ({
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label,
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value,
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}));
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},
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},
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objectType: {
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type: "string",
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label: "Object Type",
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description: "The type of object to attach feedback to.",
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options: [
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"TRACE",
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"OBSERVATION",
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"SESSION",
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"PROMPT",
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],
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},
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},
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methods: {
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// this.$auth contains connected account data
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authKeys() {
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console.log(Object.keys(this.$auth));
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getUrl(path) {
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const baseUrl = constants.BASE_URL
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.replace(constants.REGION_PLACEHOLDER, this.$auth.region);
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return `${baseUrl}${constants.VERSION_PATH}${path}`;
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},
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getAuth() {
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const {
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public_key: username,
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secret_key: password,
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} = this.$auth;
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return {
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username,
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password,
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};
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},
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_makeRequest({
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$ = this, path, ...args
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} = {}) {
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return axios($, {
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...args,
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debug: true,
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url: this.getUrl(path),
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auth: this.getAuth(),
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headers: {
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"Content-Type": "application/json",
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},
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});
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},
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post(args = {}) {
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return this._makeRequest({
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method: "POST",
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...args,
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});
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},
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listProjects(args = {}) {
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return this._makeRequest({
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path: "/projects",
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...args,
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});
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},
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listTraces(args = {}) {
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return this._makeRequest({
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path: "/traces",
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...args,
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});
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},
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listScores(args = {}) {
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return this._makeRequest({
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path: "/scores",
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...args,
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});
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},
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async *getIterations({
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resourcesFn, resourcesFnArgs, resourceName,
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lastDateAt, dateField,
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max = constants.DEFAULT_MAX,
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}) {
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let page = 1;
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let resourcesCount = 0;
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while (true) {
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const response =
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await resourcesFn({
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...resourcesFnArgs,
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params: {
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...resourcesFnArgs?.params,
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page,
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limit: constants.DEFAULT_LIMIT,
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},
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});
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const nextResources = utils.getNestedProperty(response, resourceName);
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if (!nextResources?.length) {
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console.log("No more resources found");
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return;
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}
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for (const resource of nextResources) {
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const isDateGreater =
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lastDateAt
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&& Date.parse(resource[dateField]) >= Date.parse(lastDateAt);
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if (!lastDateAt || isDateGreater) {
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yield resource;
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resourcesCount += 1;
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}
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if (resourcesCount >= max) {
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console.log("Reached max resources");
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return;
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}
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}
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if (nextResources.length < constants.DEFAULT_LIMIT) {
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console.log("No next page found");
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return;
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}
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page += 1;
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}
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},
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paginate(args = {}) {
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return utils.iterate(this.getIterations(args));
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},
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},
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};

‎components/langfuse/package.json‎

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{
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"name": "@pipedream/langfuse",
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"version": "0.0.1",
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"version": "0.1.0",
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"description": "Pipedream Langfuse Components",
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"main": "langfuse.app.mjs",
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"keywords": [
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"author": "Pipedream <support@pipedream.com> (https://pipedream.com/)",
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"publishConfig": {
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"access": "public"
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},
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"dependencies": {
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"@pipedream/platform": "^3.0.3"
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}
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}

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