firewalk/dist/internal/utils/isTraverser.js

A collection traversal library for Firestore

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isTraverser = isTraverser;
function isTraverser(candidate) {
    const t = candidate;
    return (!!t &&
        typeof t === 'object' &&
        t.traversable !== null &&
        typeof t.traversable === 'object' &&
        t.traversalConfig !== null &&
        typeof t.traversalConfig === 'object' &&
        typeof t.withConfig === 'function' &&
        typeof t.withExitEarlyPredicate === 'function' &&
        typeof t.traverseEach === 'function' &&
        typeof t.traverse === 'function');
}
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