@axiomhq/logging/dist/esm/transports/console.js

The official logging package for Axiom

import { LogLevelValue, LogLevel } from "../logger.js";
import { isBrowser } from "../runtime.js";
const levelColors = {
  info: {
    terminal: "32",
    browser: "lightgreen"
  },
  debug: {
    terminal: "36",
    browser: "lightblue"
  },
  warn: {
    terminal: "33",
    browser: "yellow"
  },
  error: {
    terminal: "31",
    browser: "red"
  }
};
class ConsoleTransport {
  config;
  constructor(config) {
    this.config = { ...config };
  }
  log = (logs) => {
    logs.forEach((log) => {
      if (LogLevelValue[log.level ?? LogLevel.info] >= LogLevelValue[this.config.logLevel ?? LogLevel.info]) {
        this.prettyPrint(log);
      }
    });
  };
  isStandardLogEvent(log) {
    return typeof log === "object" && log !== null && "level" in log && "message" in log && "fields" in log;
  }
  prettyPrint(ev) {
    const hasFields = ev.fields && Object.keys(ev.fields).length > 0;
    if (!this.config.prettyPrint) {
      if (!this.isStandardLogEvent(ev)) {
        console.log(ev);
        return;
      }
      let msg = `${ev.level} - ${ev.message}`;
      if (hasFields) {
        msg += " " + JSON.stringify(ev.fields);
      }
      console.log(msg);
      return;
    }
    if (!this.isStandardLogEvent(ev)) {
      if (isBrowser) {
        console.log("%c%s", `color: ${levelColors[LogLevel.info].browser};`, ev);
      } else {
        console.log(`\x1B[${levelColors[LogLevel.info].terminal}m%s\x1B[0m`, ev);
      }
      return;
    }
    let msgString = "";
    let args = [ev.level, ev.message];
    if (isBrowser) {
      msgString = "%c%s - %s";
      args = [`color: ${levelColors[ev.level].browser};`, ...args];
    } else {
      msgString = `\x1B[${levelColors[ev.level].terminal}m%s\x1B[0m - %s`;
    }
    if (hasFields) {
      msgString += " %o";
      args.push(ev.fields);
    }
    console.log.apply(console, [msgString, ...args]);
  }
  flush() {
    return;
  }
}
export {
  ConsoleTransport
};
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