%PDF- %PDF-
Direktori : /home/silvzytp/dsr_code/node_modules/bootstrap/js/dist/util/ |
Current File : //home/silvzytp/dsr_code/node_modules/bootstrap/js/dist/util/scrollbar.js |
/*! * Bootstrap scrollbar.js v5.2.3 (https://getbootstrap.com/) * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors) * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('../dom/selector-engine'), require('../dom/manipulator'), require('./index')) : typeof define === 'function' && define.amd ? define(['../dom/selector-engine', '../dom/manipulator', './index'], factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Scrollbar = factory(global.SelectorEngine, global.Manipulator, global.Index)); })(this, (function (SelectorEngine, Manipulator, index) { 'use strict'; const _interopDefaultLegacy = e => e && typeof e === 'object' && 'default' in e ? e : { default: e }; const SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine); const Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator); /** * -------------------------------------------------------------------------- * Bootstrap (v5.2.3): util/scrollBar.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ /** * Constants */ const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'; const SELECTOR_STICKY_CONTENT = '.sticky-top'; const PROPERTY_PADDING = 'padding-right'; const PROPERTY_MARGIN = 'margin-right'; /** * Class definition */ class ScrollBarHelper { constructor() { this._element = document.body; } // Public getWidth() { // https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes const documentWidth = document.documentElement.clientWidth; return Math.abs(window.innerWidth - documentWidth); } hide() { const width = this.getWidth(); this._disableOverFlow(); // give padding to element to balance the hidden scrollbar width this._setElementAttributes(this._element, PROPERTY_PADDING, calculatedValue => calculatedValue + width); // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements to keep showing fullwidth this._setElementAttributes(SELECTOR_FIXED_CONTENT, PROPERTY_PADDING, calculatedValue => calculatedValue + width); this._setElementAttributes(SELECTOR_STICKY_CONTENT, PROPERTY_MARGIN, calculatedValue => calculatedValue - width); } reset() { this._resetElementAttributes(this._element, 'overflow'); this._resetElementAttributes(this._element, PROPERTY_PADDING); this._resetElementAttributes(SELECTOR_FIXED_CONTENT, PROPERTY_PADDING); this._resetElementAttributes(SELECTOR_STICKY_CONTENT, PROPERTY_MARGIN); } isOverflowing() { return this.getWidth() > 0; } // Private _disableOverFlow() { this._saveInitialAttribute(this._element, 'overflow'); this._element.style.overflow = 'hidden'; } _setElementAttributes(selector, styleProperty, callback) { const scrollbarWidth = this.getWidth(); const manipulationCallBack = element => { if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) { return; } this._saveInitialAttribute(element, styleProperty); const calculatedValue = window.getComputedStyle(element).getPropertyValue(styleProperty); element.style.setProperty(styleProperty, `${callback(Number.parseFloat(calculatedValue))}px`); }; this._applyManipulationCallback(selector, manipulationCallBack); } _saveInitialAttribute(element, styleProperty) { const actualValue = element.style.getPropertyValue(styleProperty); if (actualValue) { Manipulator__default.default.setDataAttribute(element, styleProperty, actualValue); } } _resetElementAttributes(selector, styleProperty) { const manipulationCallBack = element => { const value = Manipulator__default.default.getDataAttribute(element, styleProperty); // We only want to remove the property if the value is `null`; the value can also be zero if (value === null) { element.style.removeProperty(styleProperty); return; } Manipulator__default.default.removeDataAttribute(element, styleProperty); element.style.setProperty(styleProperty, value); }; this._applyManipulationCallback(selector, manipulationCallBack); } _applyManipulationCallback(selector, callBack) { if (index.isElement(selector)) { callBack(selector); return; } for (const sel of SelectorEngine__default.default.find(selector, this._element)) { callBack(sel); } } } return ScrollBarHelper; })); //# sourceMappingURL=scrollbar.js.map