@loglayer/context-manager-linked/dist/index.js

Context manager for loglayer that keeps context between parent and all children.

// src/LinkedContextManager.ts
var LinkedContextManager = class _LinkedContextManager {
  contextContainer = {
    data: {},
    hasContext: false
  };
  /**
   * Sets the context data to be included with every log entry. Set to `undefined` to clear the context data.
   */
  setContext(context) {
    if (!context) {
      for (const key in this.contextContainer.data) {
        if (Object.hasOwn(this.contextContainer.data, key)) {
          delete this.contextContainer.data[key];
        }
      }
      this.contextContainer.hasContext = false;
      return;
    }
    Object.assign(this.contextContainer.data, context);
    this.contextContainer.hasContext = true;
  }
  /**
   * Appends context data to the existing context data.
   */
  appendContext(context) {
    Object.assign(this.contextContainer.data, context);
    this.contextContainer.hasContext = true;
  }
  /**
   * Returns the context data to be included with every log entry.
   */
  getContext() {
    return this.contextContainer.data;
  }
  /**
   * Returns true if context data is present.
   */
  hasContextData() {
    return this.contextContainer.hasContext;
  }
  /**
   * Links the child context manager's context to be the same as the parent context manager's context.
   */
  onChildLoggerCreated({ parentContextManager, childContextManager }) {
    if (childContextManager instanceof _LinkedContextManager) {
      childContextManager.contextContainer = this.contextContainer;
    } else {
      childContextManager.setContext(this.getContext());
    }
  }
  /**
   * Creates a new instance of the context manager that shares the same context data.
   * The clone maintains a bi-directional link with the original context manager.
   */
  clone() {
    const clone = new _LinkedContextManager();
    clone.contextContainer = this.contextContainer;
    return clone;
  }
};
export {
  LinkedContextManager
};