@nidomiro/relation-tuple-parser/src/lib/util/access-to-path-proxy.js

[](https://www.npmjs.com/package/@nidomiro/relation-tuple-parser)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createAccessToPathProxy = void 0;
const InternalValues = Symbol('internalValues');
const createAccessToPathProxy = (onNewPath) => {
    const validator = {
        get(target, p) {
            const internalValues = target[InternalValues];
            const path = internalValues.path;
            if (p === 'toString' || p === Symbol.toPrimitive || p === Symbol.toStringTag) {
                return () => onNewPath(path !== null && path !== void 0 ? path : []);
            }
            else if (typeof p === 'symbol') {
                throw new Error(`Symbols are not supported as keys: ${String(p)}`);
            }
            return new Proxy(Object.assign(Object.assign({}, target), { [InternalValues]: { path: [...path, p], depth: internalValues.depth + 1 } }), validator);
        },
    };
    return new Proxy({ [InternalValues]: { path: [], depth: 0 } }, validator);
};
exports.createAccessToPathProxy = createAccessToPathProxy;
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