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Simple logging library with zero dependencies for Deno/Node.js/Bun/browsers
LogTape
LogTape is a logging library for JavaScript and TypeScript. It provides a simple and flexible logging system that is easy to use and easy to extend. The highlights of LogTape are:
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Zero dependencies: LogTape has zero dependencies. You can use LogTape without worrying about the dependencies of LogTape.
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Library support: LogTape is designed to be used in libraries as well as applications. You can use LogTape in libraries to provide logging capabilities to users of the libraries.
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Runtime diversity: LogTape supports Deno, Node.js, Bun, edge functions, and browsers. You can use LogTape in various environments without changing the code.
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Structured logging: You can log messages with structured data.
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Hierarchical categories: LogTape uses a hierarchical category system to manage loggers. You can control the verbosity of log messages by setting the log level of loggers at different levels of the category hierarchy.
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Template literals: LogTape supports template literals for log messages. You can use template literals to log messages with placeholders and values.
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Dead simple sinks: You can easily add your own sinks to LogTape.
Installation
LogTape is available on JSR and npm. You can install LogTape for various JavaScript runtimes and package managers:
deno add @logtape/logtape # for Deno npm add @logtape/logtape # for npm pnpm add @logtape/logtape # for pnpm yarn add @logtape/logtape # for Yarn bun add @logtape/logtape # for Bun
See also the installation manual for more details.
Docs
The docs of LogTape is available at https://logtape.org/. For the API references, see https://jsr.io/@logtape/logtape.
Add Package
deno add jsr:@logtape/logtape
Import symbol
import * as _logtape_logtape from "@logtape/logtape";
---- OR ----
Import directly with a jsr specifier
import * as _logtape_logtape from "jsr:@logtape/logtape";
Add Package
npx jsr add @logtape/logtape
Import symbol
import * as _logtape_logtape from "@logtape/logtape";
Add Package
yarn dlx jsr add @logtape/logtape
Import symbol
import * as _logtape_logtape from "@logtape/logtape";
Add Package
pnpm dlx jsr add @logtape/logtape
Import symbol
import * as _logtape_logtape from "@logtape/logtape";
Add Package
bunx jsr add @logtape/logtape
Import symbol
import * as _logtape_logtape from "@logtape/logtape";