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rOACCT/node_modules/style-loader/dist/runtime/insertBySelector.js
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insertBySelector.js
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			"use strict";

			var memo = {};
			/* istanbul ignore next */

			function getTarget(target) {
			if (typeof memo[target] === "undefined") {
			var styleTarget = document.querySelector(target); // Special case to return head of iframe instead of iframe itself

			if (window.HTMLIFrameElement && styleTarget instanceof window.HTMLIFrameElement) {
			try {
			// This will throw an exception if access to iframe is blocked
			// due to cross-origin restrictions
			styleTarget = styleTarget.contentDocument.head;
			} catch (e) {
			// istanbul ignore next
			styleTarget = null;
			}
			}

			memo[target] = styleTarget;
			}

			return memo[target];
			}
			/* istanbul ignore next */


			function insertBySelector(insert, style) {
			var target = getTarget(insert);

			if (!target) {
			throw new Error("Couldn't find a style target. This probably means that the value for the 'insert' parameter is invalid.");
			}

			target.appendChild(style);
			}

			module.exports = insertBySelector;