Method constructor

packages/pluginutils/src/attachScopes.ts:29–42

(options: ScopeOptions = {})

  declarations: { [key: string]: boolean };

  constructor(options: ScopeOptions = {}) {
    this.parent = options.parent;
    this.isBlockScope = !!options.block;

    this.declarations = Object.create(null);

    if (options.params) {
      options.params.forEach((param) => {
        extractAssignedNames(param).forEach((name) => {
          this.declarations[name] = true;
        });
      });
    }
  }

  addDeclaration(node: estree.Node, isBlockDeclaration: boolean, isVar: boolean): void {
    if (!isBlockDeclaration && this.isBlockScope) {