@trifrost/core/esm/modules/Logger/exporters/Json.js

Blazingly fast, runtime-agnostic server framework for modern edge and node environments

/* eslint-disable no-console */
import { deepFreeze } from '@valkyriestudios/utils/deep';
import { createScrambler, OMIT_PRESETS } from '../../../utils/Scrambler';
export class JsonExporter {
    #global_attrs = null;
    /**
     * Scrambler based on omit pattern provided
     */
    #scramble;
    /**
     * Sink for the json entries, if not defined will be console
     */
    #sink = null;
    constructor(options) {
        /* Configure scrambler */
        this.#scramble = createScrambler({
            checks: Array.isArray(options?.omit) ? deepFreeze([...options.omit]) : OMIT_PRESETS.default,
        });
        /* Configure sink if passed */
        if (typeof options?.sink === 'function')
            this.#sink = options.sink;
    }
    init(global_attrs) {
        this.#global_attrs = this.#scramble(global_attrs);
    }
    async pushLog(log) {
        const entry = this.#scramble({
            message: log.message,
        });
        /* Add time */
        entry.time = log.time.toISOString();
        /* Add level */
        entry.level = log.level;
        /* Add trace id */
        if (log.trace_id)
            entry.trace_id = log.trace_id;
        /* Add span id */
        if (log.span_id)
            entry.span_id = log.span_id;
        /* Add context */
        if (log.ctx)
            entry.ctx = this.#scramble(log.ctx);
        /* Add data */
        if (log.data)
            entry.data = this.#scramble(log.data);
        /* Add global attributes */
        if (this.#global_attrs)
            entry.global = this.#global_attrs;
        if (this.#sink) {
            this.#sink(entry);
        }
        else {
            console[log.level](JSON.stringify(entry));
        }
    }
    async flush() {
        /* No-Op for Json console exporter */
    }
}