# logcontext enrich logs with context ## Availabililty [![npm](https://pushrocks.gitlab.io/assets/repo-button-npm.svg)](https://www.npmjs.com/package/logcontext) [![git](https://pushrocks.gitlab.io/assets/repo-button-git.svg)](https://GitLab.com/pushrocks/logcontext) [![git](https://pushrocks.gitlab.io/assets/repo-button-mirror.svg)](https://github.com/pushrocks/logcontext) [![docs](https://pushrocks.gitlab.io/assets/repo-button-docs.svg)](https://pushrocks.gitlab.io/logcontext/) ## Status for master [![build status](https://GitLab.com/pushrocks/logcontext/badges/master/build.svg)](https://GitLab.com/pushrocks/logcontext/commits/master) [![coverage report](https://GitLab.com/pushrocks/logcontext/badges/master/coverage.svg)](https://GitLab.com/pushrocks/logcontext/commits/master) [![npm downloads per month](https://img.shields.io/npm/dm/logcontext.svg)](https://www.npmjs.com/package/logcontext) [![Dependency Status](https://david-dm.org/pushrocks/logcontext.svg)](https://david-dm.org/pushrocks/logcontext) [![bitHound Dependencies](https://www.bithound.io/github/pushrocks/logcontext/badges/dependencies.svg)](https://www.bithound.io/github/pushrocks/logcontext/master/dependencies/npm) [![bitHound Code](https://www.bithound.io/github/pushrocks/logcontext/badges/code.svg)](https://www.bithound.io/github/pushrocks/logcontext) [![Known Vulnerabilities](https://snyk.io/test/npm/logcontext/badge.svg)](https://snyk.io/test/npm/logcontext) [![TypeScript](https://img.shields.io/badge/TypeScript-2.x-blue.svg)](https://nodejs.org/dist/latest-v6.x/docs/api/) [![node](https://img.shields.io/badge/node->=%206.x.x-blue.svg)](https://nodejs.org/dist/latest-v6.x/docs/api/) [![JavaScript Style Guide](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](http://standardjs.com/) ## Usage Use TypeScript for best in class instellisense. the logconext module exposes an easy to use syntax for nodejs style async logcontexts. ```typescript let testLogger = new logcontext.Logger('testNamespace'); testLogger.scope(async () => { testLogger.addData('id1', { someData: 'someValue' }); testLogger.log('hi'); testLogger.error(new Error('custom error message')); setTimeout(() => { outsideFunction(); // log scope will travel through callbacks and promises }, 2000); }); let outsideFunction = () => { // Note: // the below testLogger reference will have different contexts // depending from which scope "outsideFunction" was called". testLogger.log('some message'); }; ``` ## class Logger ```typescript import { Logger } from 'logcontext'; // instantiate new Logger // argument optional, if left empty auto generated shortid will be used let myLogger = new Logger('myNamespace'); // create a scope myLogger.scope(async () => { // everything that is appended to the call stack from inside here will have all appended context data available // add some scoped context information myLogger.addData('customerId', '12345678'); // will log something with priviously appended context of this scope in place myLoger.log('awesomeText'); }); ``` For further information read the linked docs at the top of this README. > licensed | **©** [Lossless GmbH](https://lossless.gmbh) | By using this npm module you agree to our [privacy policy](https://lossless.gmbH/privacy.html) [![repo-footer](https://pushrocks.gitlab.io/assets/repo-footer.svg)](https://push.rocks)