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3.0 KiB
{"version":3,"sources":["../src/scroll.js"],"names":["MoodleScroll","scrollY","window","addEventListener","scrollHandler","bind","pageYOffset","document","documentElement","scrollTop","body","querySelector","getScrollPosition","innerHeight","classList","add","remove"],"mappings":"wcA8BqBA,CAAAA,C,yEASV,CACH,KAAKC,OAAL,CAAe,CAAf,CACAC,MAAM,CAACC,gBAAP,CAAwB,QAAxB,CAAkC,KAAKC,aAAL,CAAmBC,IAAnB,CAAwB,IAAxB,CAAlC,EACA,MAAO,KACV,C,6DASmB,CAChB,MAAOH,CAAAA,MAAM,CAACI,WAAP,EAAsBC,QAAQ,CAACC,eAAT,CAAyBC,SACzD,C,qDAQe,IACNC,CAAAA,CAAI,CAAGH,QAAQ,CAACI,aAAT,CAAuB,MAAvB,CADD,CAENV,CAAO,CAAG,KAAKW,iBAAL,EAFJ,CAGZ,GAAIX,CAAO,EAAIC,MAAM,CAACW,WAAtB,CAAmC,CAC/BH,CAAI,CAACI,SAAL,CAAeC,GAAf,CAAmB,UAAnB,CACH,CAFD,IAEO,CACHL,CAAI,CAACI,SAAL,CAAeE,MAAf,CAAsB,UAAtB,CACH,CACJ,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\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 * Manage user scroll in Moodle for future floating elements.\n *\n * @module theme_ilb/scroll\n * @copyright 2020 Ferran Recio <ferran@moodle.org>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Moodle scroll handling. For now it just handle a \"scrolled\" class\n * on the body tag but in the near future could handle more floating\n * elements like option bars, docked elements or other active elements.\n *\n * @class theme_ilb/scroll\n */\nexport default class MoodleScroll {\n\n /**\n * Initialise the scroll monitoring.\n *\n * @method init\n * @chainable\n * @return {Object} this.\n */\n init() {\n this.scrollY = 0;\n window.addEventListener(\"scroll\", this.scrollHandler.bind(this));\n return this;\n }\n\n /**\n * Add special classes to body depending on scroll position.\n *\n * @method update\n * @chainable\n * @return {Integer} current scroll position.\n */\n getScrollPosition() {\n return window.pageYOffset || document.documentElement.scrollTop;\n }\n\n /**\n * Add special classes to body depending on scroll position.\n *\n * @method update\n * @chainable\n */\n scrollHandler() {\n const body = document.querySelector('body');\n const scrollY = this.getScrollPosition();\n if (scrollY >= window.innerHeight) {\n body.classList.add('scrolled');\n } else {\n body.classList.remove('scrolled');\n }\n }\n}\n"],"file":"scroll.min.js"}
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