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bereach

v1.4.3

Published

Developer-friendly & type-safe Typescript SDK specifically catered to leverage *bereach* API.

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bereach

Developer-friendly & type-safe Typescript SDK specifically catered to leverage bereach API.

Built by Speakeasy License: MIT

[!IMPORTANT] This SDK is not yet ready for production use. To complete setup please follow the steps outlined in your workspace. Delete this section before > publishing to a package manager.

Summary

BeReach API: BeReach | Unofficial Linkedin API

Table of Contents

SDK Installation

The SDK can be installed with either npm, pnpm, bun or yarn package managers.

NPM

npm add bereach

PNPM

pnpm add bereach

Bun

bun add bereach

Yarn

yarn add bereach

[!NOTE] This package is published as an ES Module (ESM) only. For applications using CommonJS, use await import("bereach") to import and use this package.

Requirements

For supported JavaScript runtimes, please consult RUNTIMES.md.

SDK Example Usage

Example

import { Bereach } from "bereach";

const bereach = new Bereach({
  token: "BEREACH_API_KEY",
});

async function run() {
  const result = await bereach.scrapers.collectLikes({
    postUrl:
      "https://www.linkedin.com/feed/update/urn:li:activity:1234567890123456789/",
    start: 0,
  });

  console.log(result);
}

run();

Authentication

Per-Client Security Schemes

This SDK supports the following security scheme globally:

| Name | Type | Scheme | Environment Variable | | ------- | ---- | ----------- | -------------------- | | token | http | HTTP Bearer | BEREACH_TOKEN |

To authenticate with the API the token parameter must be set when initializing the SDK client instance. For example:

import { Bereach } from "bereach";

const bereach = new Bereach({
  token: "BEREACH_API_KEY",
});

async function run() {
  const result = await bereach.scrapers.collectLikes({
    postUrl:
      "https://www.linkedin.com/feed/update/urn:li:activity:1234567890123456789/",
    start: 0,
  });

  console.log(result);
}

run();

Available Resources and Operations

Actions

Campaigns

  • ~~filter~~ - Check if campaign actions are completed :warning: Deprecated
  • getStatus - Query per-profile action status within a campaign
  • sync - Mark actions as completed without performing them
  • stats - Get aggregate campaign statistics

Chat

CompanyPages

  • list - List company pages the user administers
  • posts - Get recent posts from a company page
  • getPermissions - Get admin permissions for a company page
  • getAnalytics - Get company page overview analytics

Contacts

Context

  • listEntries - List context entries
  • set - Create or update a context entry
  • delete - Delete a context entry

Cron

Profile

SalesNav

  • search - Sales Navigator Search — leads (people) & accounts (companies)
  • people - Sales Navigator People/Lead Search
  • companies - Sales Navigator Company/Account Search

ScheduledMessages

  • list - List scheduled messages
  • create - Create a draft DM
  • batchSchedule - Batch-schedule drafts for auto-send
  • cancel - Cancel scheduled or draft messages

Scrapers

Search

  • search - Unified LinkedIn Search — posts, people, companies, jobs
  • posts - Search LinkedIn Posts
  • people - Search LinkedIn People
  • companies - Search LinkedIn Companies
  • jobs - Search LinkedIn Jobs
  • byUrl - Search LinkedIn by URL
  • resolveParameters - Resolve text to LinkedIn search parameter IDs (typeahead)

Standalone functions

All the methods listed above are available as standalone functions. These functions are ideal for use in applications running in the browser, serverless runtimes or other environments where application bundle size is a primary concern. When using a bundler to build your application, all unused functionality will be either excluded from the final bundle or tree-shaken away.

To read more about standalone functions, check FUNCTIONS.md.

Retries

Some of the endpoints in this SDK support retries. If you use the SDK without any configuration, it will fall back to the default retry strategy provided by the API. However, the default retry strategy can be overridden on a per-operation basis, or across the entire SDK.

To change the default retry strategy for a single API call, simply provide a retryConfig object to the call:

import { Bereach } from "bereach";

const bereach = new Bereach({
  token: "BEREACH_API_KEY",
});

async function run() {
  const result = await bereach.scrapers.collectLikes({
    postUrl:
      "https://www.linkedin.com/feed/update/urn:li:activity:1234567890123456789/",
    start: 0,
  }, {
    retries: {
      strategy: "backoff",
      backoff: {
        initialInterval: 1,
        maxInterval: 50,
        exponent: 1.1,
        maxElapsedTime: 100,
      },
      retryConnectionErrors: false,
    },
  });

  console.log(result);
}

run();

If you'd like to override the default retry strategy for all operations that support retries, you can provide a retryConfig at SDK initialization:

import { Bereach } from "bereach";

const bereach = new Bereach({
  retryConfig: {
    strategy: "backoff",
    backoff: {
      initialInterval: 1,
      maxInterval: 50,
      exponent: 1.1,
      maxElapsedTime: 100,
    },
    retryConnectionErrors: false,
  },
  token: "BEREACH_API_KEY",
});

async function run() {
  const result = await bereach.scrapers.collectLikes({
    postUrl:
      "https://www.linkedin.com/feed/update/urn:li:activity:1234567890123456789/",
    start: 0,
  });

  console.log(result);
}

run();

Error Handling

BereachError is the base class for all HTTP error responses. It has the following properties:

| Property | Type | Description | | ------------------- | ---------- | --------------------------------------------------------------------------------------- | | error.message | string | Error message | | error.statusCode | number | HTTP response status code eg 404 | | error.headers | Headers | HTTP response headers | | error.body | string | HTTP body. Can be empty string if no body is returned. | | error.rawResponse | Response | Raw HTTP response | | error.data$ | | Optional. Some errors may contain structured data. See Error Classes. |

Example

import { Bereach } from "bereach";
import * as errors from "bereach/models/errors";

const bereach = new Bereach({
  token: "BEREACH_API_KEY",
});

async function run() {
  try {
    const result = await bereach.scrapers.collectLikes({
      postUrl:
        "https://www.linkedin.com/feed/update/urn:li:activity:1234567890123456789/",
      start: 0,
    });

    console.log(result);
  } catch (error) {
    // The base class for HTTP error responses
    if (error instanceof errors.BereachError) {
      console.log(error.message);
      console.log(error.statusCode);
      console.log(error.body);
      console.log(error.headers);

      // Depending on the method different errors may be thrown
      if (error instanceof errors.BadRequestError) {
        console.log(error.data$.success); // boolean
        console.log(error.data$.error); // operations.CollectLikesBadRequestError
      }
    }
  }
}

run();

Error Classes

Primary errors:

  • BereachError: The base class for HTTP error responses.
    • BadRequestError: The server cannot or will not process the request due to something that is perceived to be a client error. Status code 400.
    • UnauthorizedError: Although HTTP specifies "unauthorized", this response means "unauthenticated". Authenticate to continue. Status code 401.
    • ForbiddenError: The client does not have access rights to the content. Status code 403.
    • NotFoundError: The server cannot find the requested resource. Status code 404.
    • ConflictError: The request conflicts with the current state of the server. Status code 409.
    • GoneError: The requested content has been permanently deleted from the server. Status code 410.
    • UnprocessableEntityError: The request was well-formed but was unable to be followed due to semantic errors. Status code 422.
    • TooManyRequestsError: Rate limit exceeded. Read error.retryAfter for the wait time in seconds. Status code 429.
    • InternalServerError: The server encountered a situation it does not know how to handle. Status code 500.
    • BadGatewayError: LinkedIn returned a server error or the proxy connection failed. Retry after a few seconds. Status code 502.
    • ServiceUnavailableError: Proxy capacity temporarily exceeded. Retry after a few seconds. Status code 503.

Network errors:

Inherit from BereachError:

  • ResponseValidationError: Type mismatch between the data returned from the server and the structure expected by the SDK. See error.rawValue for the raw value and error.pretty() for a nicely formatted multi-line string.

Server Selection

Select Server by Index

You can override the default server globally by passing a server index to the serverIdx: number optional parameter when initializing the SDK client instance. The selected server will then be used as the default on the operations that use it. This table lists the indexes associated with the available servers:

| # | Server | Description | | --- | ------------------------------ | -------------- | | 0 | https://api.berea.ch | Production API | | 1 | https://api-staging.berea.ch | Staging API |

Example

import { Bereach } from "bereach";

const bereach = new Bereach({
  serverIdx: 0,
  token: "BEREACH_API_KEY",
});

async function run() {
  const result = await bereach.scrapers.collectLikes({
    postUrl:
      "https://www.linkedin.com/feed/update/urn:li:activity:1234567890123456789/",
    start: 0,
  });

  console.log(result);
}

run();

Override Server URL Per-Client

The default server can also be overridden globally by passing a URL to the serverURL: string optional parameter when initializing the SDK client instance. For example:

import { Bereach } from "bereach";

const bereach = new Bereach({
  serverURL: "https://api-staging.berea.ch",
  token: "BEREACH_API_KEY",
});

async function run() {
  const result = await bereach.scrapers.collectLikes({
    postUrl:
      "https://www.linkedin.com/feed/update/urn:li:activity:1234567890123456789/",
    start: 0,
  });

  console.log(result);
}

run();

Custom HTTP Client

The TypeScript SDK makes API calls using an HTTPClient that wraps the native Fetch API. This client is a thin wrapper around fetch and provides the ability to attach hooks around the request lifecycle that can be used to modify the request or handle errors and response.

The HTTPClient constructor takes an optional fetcher argument that can be used to integrate a third-party HTTP client or when writing tests to mock out the HTTP client and feed in fixtures.

The following example shows how to:

  • route requests through a proxy server using undici's ProxyAgent
  • use the "beforeRequest" hook to add a custom header and a timeout to requests
  • use the "requestError" hook to log errors
import { Bereach } from "bereach";
import { ProxyAgent } from "undici";
import { HTTPClient } from "bereach/lib/http";

const dispatcher = new ProxyAgent("http://proxy.example.com:8080");

const httpClient = new HTTPClient({
  // 'fetcher' takes a function that has the same signature as native 'fetch'.
  fetcher: (input, init) =>
    // 'dispatcher' is specific to undici and not part of the standard Fetch API.
    fetch(input, { ...init, dispatcher } as RequestInit),
});

httpClient.addHook("beforeRequest", (request) => {
  const nextRequest = new Request(request, {
    signal: request.signal || AbortSignal.timeout(5000)
  });

  nextRequest.headers.set("x-custom-header", "custom value");

  return nextRequest;
});

httpClient.addHook("requestError", (error, request) => {
  console.group("Request Error");
  console.log("Reason:", `${error}`);
  console.log("Endpoint:", `${request.method} ${request.url}`);
  console.groupEnd();
});

const sdk = new Bereach({ httpClient: httpClient });

Debugging

You can setup your SDK to emit debug logs for SDK requests and responses.

You can pass a logger that matches console's interface as an SDK option.

[!WARNING] Beware that debug logging will reveal secrets, like API tokens in headers, in log messages printed to a console or files. It's recommended to use this feature only during local development and not in production.

import { Bereach } from "bereach";

const sdk = new Bereach({ debugLogger: console });

You can also enable a default debug logger by setting an environment variable BEREACH_DEBUG to true.

Development

Maturity

This SDK is in beta, and there may be breaking changes between versions without a major version update. Therefore, we recommend pinning usage to a specific package version. This way, you can install the same version each time without breaking changes unless you are intentionally looking for the latest version.

Contributions

While we value open-source contributions to this SDK, this library is generated programmatically. Any manual changes added to internal files will be overwritten on the next generation. We look forward to hearing your feedback. Feel free to open a PR or an issue with a proof of concept and we'll do our best to include it in a future release.

SDK Created by Speakeasy