Method tryGetContext

src/construct.ts:276–281

* Retrieves a value from tree context. * * Context is usually initialized at the root, but can be overridden at any point in the tree. * * @param key The context key * @returns The context value or `undefined` if there is no context value for this key.

(key: string)

   * @returns The context value or `undefined` if there is no context value for this key.
   */
  public tryGetContext(key: string): any {
    const value = this._context?.[key];
    if (value !== undefined) { return value; }

    return this.scope && this.scope.node.tryGetContext(key);
  }

  /**
   * An immutable array of metadata objects associated with this construct.