Method addDeclaration

packages/pluginutils/src/attachScopes.ts:44–54

(node: estree.Node, isBlockDeclaration: boolean, isVar: boolean)

  }

  addDeclaration(node: estree.Node, isBlockDeclaration: boolean, isVar: boolean): void {
    if (!isBlockDeclaration && this.isBlockScope) {
      // it's a `var` or function node, and this
      // is a block scope, so we need to go up
      this.parent!.addDeclaration(node, isBlockDeclaration, isVar);
    } else if ((node as any).id) {
      extractAssignedNames((node as any).id).forEach((name) => {
        this.declarations[name] = true;
      });
    }
  }

  contains(name: string): boolean {
    return this.declarations[name] || (this.parent ? this.parent.contains(name) : false);