@backstage/backend-app-api/dist/wiring/createInitializationLogger.cjs.js

Core API used by Backstage backend apps

'use strict';

const LOGGER_INTERVAL_MAX = 6e4;
function joinIds(ids) {
  return [...ids].map((id) => `'${id}'`).join(", ");
}
function createInitializationLogger(pluginIds, rootLogger) {
  const logger = rootLogger?.child({ type: "initialization" });
  const starting = new Set(pluginIds);
  const started = /* @__PURE__ */ new Set();
  logger?.info(`Plugin initialization started: ${joinIds(pluginIds)}`);
  const getInitStatus = () => {
    let status = "";
    if (started.size > 0) {
      status = `, newly initialized: ${joinIds(started)}`;
      started.clear();
    }
    if (starting.size > 0) {
      status += `, still initializing: ${joinIds(starting)}`;
    }
    return status;
  };
  let interval = 1e3;
  let prevInterval = 0;
  let timeout;
  const onTimeout = () => {
    logger?.info(`Plugin initialization in progress${getInitStatus()}`);
    const nextInterval = Math.min(interval + prevInterval, LOGGER_INTERVAL_MAX);
    prevInterval = interval;
    interval = nextInterval;
    timeout = setTimeout(onTimeout, nextInterval);
  };
  timeout = setTimeout(onTimeout, interval);
  return {
    onPluginStarted(pluginId) {
      starting.delete(pluginId);
      started.add(pluginId);
    },
    onPluginFailed(pluginId, error) {
      starting.delete(pluginId);
      const status = starting.size > 0 ? `, waiting for ${starting.size} other plugins to finish before shutting down the process` : "";
      logger?.error(
        `Plugin '${pluginId}' threw an error during startup${status}.`,
        error
      );
    },
    onPermittedPluginFailure(pluginId, error) {
      starting.delete(pluginId);
      logger?.error(
        `Plugin '${pluginId}' threw an error during startup, but boot failure is permitted for this plugin so startup will continue.`,
        error
      );
    },
    onPluginModuleFailed(pluginId, moduleId, error) {
      const status = starting.size > 0 ? `, waiting for ${starting.size} other plugins to finish before shutting down the process` : "";
      logger?.error(
        `Module ${moduleId} in Plugin '${pluginId}' threw an error during startup${status}.`,
        error
      );
    },
    onPermittedPluginModuleFailure(pluginId, moduleId, error) {
      logger?.error(
        `Module ${moduleId} in Plugin '${pluginId}' threw an error during startup, but boot failure is permitted for this plugin module so startup will continue.`,
        error
      );
    },
    onAllStarted() {
      logger?.info(`Plugin initialization complete${getInitStatus()}`);
      if (timeout) {
        clearTimeout(timeout);
        timeout = void 0;
      }
    }
  };
}

exports.createInitializationLogger = createInitializationLogger;
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