script.ts

import type ESTree from "estree";
import type { BaseNode } from "./base.js";
import type { SvelteBindingDirective } from "./html.js";

export type SvelteScriptNode =
  | SvelteReactiveStatement
  | SvelteFunctionBindingsExpression;

/** Node of `$` statement. */
export interface SvelteReactiveStatement extends BaseNode {
  type: "SvelteReactiveStatement";
  label: ESTree.Identifier & { name: "$" };
  body: ESTree.Statement;
  parent: ESTree.Node;
}

/** Node of `bind:name={get, set}` expression. */
export interface SvelteFunctionBindingsExpression extends BaseNode {
  type: "SvelteFunctionBindingsExpression";
  expressions: [
    /** Getter */
    ESTree.Expression,
    /** Setter */
    ESTree.Expression,
  ];
  parent: SvelteBindingDirective;
}