the-forest/client/node_modules/style-loader/dist/runtime/insertBySelector.js

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2024-09-17 20:35:18 -04:00
"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;