@akala/core/dist/esm/injectors/expression-injector.d.ts

import { ConstantExpression } from '../parser/expressions/constant-expression.js';
import { ExpressionVisitor } from '../parser/expressions/visitors/expression-visitor.js';
import type { Expressions, StrictExpressions, TypedExpression } from '../parser/expressions/expression.js';
import { MemberExpression } from '../parser/expressions/member-expression.js';
import { Injector } from './shared.js';
/**
 * Evaluates expressions by resolving dependencies through an injector.
 * This class extends ExpressionVisitor to traverse and resolve expressions recursively.
 */
export declare class InjectorEvaluator extends ExpressionVisitor {
    private injector;
    /**
     * Initializes the evaluator with a dependency injector.
     * @param injector - The injector instance used to resolve dependencies during expression evaluation.
     */
    constructor(injector: Injector);
    private result;
    /**
     * Evaluates the provided expression and returns the computed result.
     * @template T - The expected return type of the expression evaluation.
     * @param expression - The expression tree to evaluate.
     * @returns The resolved value after traversing and computing the expression.
     */
    eval<T>(expression: Expressions): T;
    /**
     * Handles constant expressions by setting the result to their fixed value.
     * @param expression - The constant expression containing the static value.
     * @returns The same constant expression after processing.
     */
    visitConstant(expression: ConstantExpression<unknown>): StrictExpressions;
    /**
     * Resolves member access expressions (e.g., object.property).
     * Evaluates the source expression and retrieves the member value via dependency injection if applicable.
     * @template T - The type of the source object.
     * @template TMember - The key type of the member being accessed.
     * @param expression - The member expression representing property access.
     * @returns The processed member expression with updated resolution context.
     */
    visitMember<T, TMember extends keyof T>(expression: MemberExpression<T, TMember, T[TMember]>): TypedExpression<T[TMember]>;
}