Method getResolutionContext

packages/context/src/context.ts:530–560

* Locate the resolution context for the given binding. Only bindings in the * resolution context and its ancestors are visible as dependencies to resolve * the given binding * @param binding - Binding object

(
    binding: Readonly<Binding<unknown>>,
  )

   * @param binding - Binding object
   */
  getResolutionContext(
    binding: Readonly<Binding<unknown>>,
  ): Context | undefined {
    let resolutionCtx: Context | undefined;
    switch (binding.scope) {
      case BindingScope.SINGLETON:
        // Use the owner context
        return this.getOwnerContext(binding.key);
      case BindingScope.TRANSIENT:
      case BindingScope.CONTEXT:
        // Use the current context
        return this;
      case BindingScope.REQUEST:
        resolutionCtx = this.getScopedContext(binding.scope);
        if (resolutionCtx != null) {
          return resolutionCtx;
        } else {
          // If no `REQUEST` scope exists in the chain, fall back to the current
          // context
          this.debug(
            'No context is found for binding "%s (scope=%s)". Fall back to the current context.',
            binding.key,
            binding.scope,
          );
          return this;
        }
      default:
        // Use the scoped context
        return this.getScopedContext(binding.scope);
    }
  }

  /**
   * Check if this context is visible (same or ancestor) to the given one