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| author | Bobby <[email protected]> | 2024-08-16 20:47:33 -0400 |
|---|---|---|
| committer | GitHub <[email protected]> | 2024-08-16 20:47:33 -0400 |
| commit | 6b28433d9cfde435be8ec2bd6cf91e6324d08865 (patch) | |
| tree | 8343c27b8b95ff5639233e81cf157f92e5688466 /js/dist/util/scrollbar.js | |
| parent | d53094ec16ba385faae2973ddee648698b32ab24 (diff) | |
| parent | 048f56f51460df75e92a2f7b472e1c56baeb68f7 (diff) | |
| download | bootstrap-6b28433d9cfde435be8ec2bd6cf91e6324d08865.tar.xz bootstrap-6b28433d9cfde435be8ec2bd6cf91e6324d08865.zip | |
Diffstat (limited to 'js/dist/util/scrollbar.js')
| -rw-r--r-- | js/dist/util/scrollbar.js | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/js/dist/util/scrollbar.js b/js/dist/util/scrollbar.js new file mode 100644 index 000000000..15dbadb24 --- /dev/null +++ b/js/dist/util/scrollbar.js @@ -0,0 +1,113 @@ +/*! + * Bootstrap scrollbar.js v5.3.3 (https://getbootstrap.com/) + * Copyright 2011-2024 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/manipulator.js'), require('../dom/selector-engine.js'), require('./index.js')) : + typeof define === 'function' && define.amd ? define(['../dom/manipulator', '../dom/selector-engine', './index'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Scrollbar = factory(global.Manipulator, global.SelectorEngine, global.Index)); +})(this, (function (Manipulator, SelectorEngine, index_js) { 'use strict'; + + /** + * -------------------------------------------------------------------------- + * Bootstrap 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.setDataAttribute(element, styleProperty, actualValue); + } + } + _resetElementAttributes(selector, styleProperty) { + const manipulationCallBack = element => { + const value = Manipulator.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.removeDataAttribute(element, styleProperty); + element.style.setProperty(styleProperty, value); + }; + this._applyManipulationCallback(selector, manipulationCallBack); + } + _applyManipulationCallback(selector, callBack) { + if (index_js.isElement(selector)) { + callBack(selector); + return; + } + for (const sel of SelectorEngine.find(selector, this._element)) { + callBack(sel); + } + } + } + + return ScrollBarHelper; + +})); +//# sourceMappingURL=scrollbar.js.map |
