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{"version":3,"file":"loader.min.js","sources":["../src/loader.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/ //\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle. If not, see <http://www.gnu.org/licenses/>.\n\n/*\n Mathjax JS Loader.\n \n @module filter_mathjaxloader/loader\n * @copyright 2014 Damyon Wiese <damyon@moodle.com>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n /\nimport {\n eventTypes,\n notifyFilterContentRenderingComplete,\n} from 'core_filters/events';\n\n/\n The users current language - this can't be set until MathJax is loaded - so we need to store it.\n * @property {string} lang\n * @default ''\n * @private\n /\nlet lang = '';\n\n/\n Used to prevent configuring MathJax twice.\n * @property {boolean} configured\n * @default false\n * @private\n /\nlet configured = false;\n\n/\n Called by the filter when it is active on any page.\n * This does not load MathJAX yet - it addes the configuration to the head incase it gets loaded later.\n * It also subscribes to the filter-content-updated event so MathJax can respond to content loaded by Ajax.\n \n @param {Object} params List of configuration params containing mathjaxconfig (text) and lang\n /\nexport const configure = (params) => {\n // Add a js configuration object to the head.\n // See \"https://docs.mathjax.org/en/v2.7-latest/advanced/dynamic.html\"\n const script = document.createElement(\"script\");\n script.type = \"text/x-mathjax-config\";\n script[(window.opera ? \"innerHTML\" : \"text\")] = params.mathjaxconfig;\n document.getElementsByTagName(\"head\")[0].appendChild(script);\n\n // Save the lang config until MathJax is actually loaded.\n lang = params.lang;\n\n // Listen for events triggered when new text is added to a page that needs\n // processing by a filter.\n document.addEventListener(eventTypes.filterContentUpdated, contentUpdated);\n};\n\n/\n Set the correct language for the MathJax menus. 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