@jsedlacek/logtape-pretty

Pretty formatter for LogTape. Produces clean, human-readable log output with colors, timestamps, and structured properties.

Install

npm install @jsedlacek/logtape-pretty

Usage

import { configure } from "@logtape/logtape";
import { getStreamSink } from "@logtape/logtape";
import { getPrettyFormatter } from "@jsedlacek/logtape-pretty";

await configure({
  sinks: {
    console: getStreamSink(process.stdout, {
      formatter: getPrettyFormatter(),
    }),
  },
  loggers: [{ category: ["my", "app"], sinks: ["console"], lowestLevel: "debug" }],
});

Or use the pre-configured default:

import { prettyFormatter } from "@jsedlacek/logtape-pretty";

Options

| Option | Type | Default | Description | |--------|------|---------|-------------| | color | boolean | auto-detect | Enable ANSI colors | | timestamp | "time" \| "datetime" \| "date" \| (date: Date) => string \| false | "time" | Timestamp format |

Timestamp presets

| Preset | Output | |--------|--------| | "time" | 08:11:46 | | "datetime" | 2024-03-15 08:11:46 | | "date" | 2024-03-15 |

Pass a function for custom formatting, or false to disable timestamps:

// ISO format
getPrettyFormatter({ timestamp: (d) => d.toISOString() });
// [2024-03-15T08:11:46.123Z] INFO: Hello, world!

// No timestamps
getPrettyFormatter({ timestamp: false });
// INFO: Hello, world!

// No colors
getPrettyFormatter({ color: false });

License

MIT