@zodash/get/lib/get.js

Get the value at path of object.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.get = void 0;
const to_path_1 = require("@zodash/to-path");
const is_1 = require("@zcorky/is");
/**
 * Get the value at path of object.
 * If the resolved values is undefined, the defaultValue is returnted in its place.
 *
 * @param value The object to query.
 * @param path The path of the property to get.
 * @param defaultValue The value returned for undefined resolved values.
 */
function get(value, path, defaultValue) {
    const _v = getValue(value, to_path_1.toPath(path));
    return !is_1.undefined(_v) ? _v : defaultValue;
}
exports.get = get;
function getValue(parent, paths, currentIndex = 0) {
    if (is_1.undefined(parent) || is_1.nul(parent))
        return undefined;
    const token = paths[currentIndex];
    const nextToken = paths[currentIndex + 1];
    // object
    if (token !== '[]') {
        if (is_1.undefined(nextToken)) {
            return parent[token];
        }
        return getValue(parent[token], paths, currentIndex + 1);
    }
    // array
    if (!is_1.array(parent)) {
        return undefined;
    }
    if (is_1.undefined(nextToken)) {
        return parent;
    }
    return parent.map((v) => getValue(v, paths, currentIndex + 1));
}
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