<pre class="shiki github-dark shaku"><code>/** * @param {object} source * @param {string | string[]} path * @param {any} [defaultValue] * @return {any} */function get(source, path, defaultValue = undefined) { if (!path.length) return defaultValue; if (!Array.isArray(path)) { // It's a string path = path.replace(/\[/g, '.').replace(/\]/, '').split('.'); } let obj = source; for (let i = 0; i &lt; path.length; i++) { if (!obj || !obj[path[i]]) { return defaultValue; } // go deep inside obj = obj[path[i]] } return obj;}</code></pre>

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_.get(object, path, [defaultValue]) is a handy method to help retrieving data from an arbitrary object. if the resolved value from path is undefined, …