diff options
Diffstat (limited to 'js/src/util')
| -rw-r--r-- | js/src/util/backdrop.js | 130 | ||||
| -rw-r--r-- | js/src/util/component-functions.js | 34 | ||||
| -rw-r--r-- | js/src/util/focustrap.js | 109 | ||||
| -rw-r--r-- | js/src/util/index.js | 163 | ||||
| -rw-r--r-- | js/src/util/sanitizer.js | 6 | ||||
| -rw-r--r-- | js/src/util/scrollbar.js | 97 |
6 files changed, 503 insertions, 36 deletions
diff --git a/js/src/util/backdrop.js b/js/src/util/backdrop.js new file mode 100644 index 000000000..0f515b3d3 --- /dev/null +++ b/js/src/util/backdrop.js @@ -0,0 +1,130 @@ +/** + * -------------------------------------------------------------------------- + * Bootstrap (v5.1.0): util/backdrop.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +import EventHandler from '../dom/event-handler' +import { execute, executeAfterTransition, getElement, reflow, typeCheckConfig } from './index' + +const Default = { + className: 'modal-backdrop', + isVisible: true, // if false, we use the backdrop helper without adding any element to the dom + isAnimated: false, + rootElement: 'body', // give the choice to place backdrop under different elements + clickCallback: null +} + +const DefaultType = { + className: 'string', + isVisible: 'boolean', + isAnimated: 'boolean', + rootElement: '(element|string)', + clickCallback: '(function|null)' +} +const NAME = 'backdrop' +const CLASS_NAME_FADE = 'fade' +const CLASS_NAME_SHOW = 'show' + +const EVENT_MOUSEDOWN = `mousedown.bs.${NAME}` + +class Backdrop { + constructor(config) { + this._config = this._getConfig(config) + this._isAppended = false + this._element = null + } + + show(callback) { + if (!this._config.isVisible) { + execute(callback) + return + } + + this._append() + + if (this._config.isAnimated) { + reflow(this._getElement()) + } + + this._getElement().classList.add(CLASS_NAME_SHOW) + + this._emulateAnimation(() => { + execute(callback) + }) + } + + hide(callback) { + if (!this._config.isVisible) { + execute(callback) + return + } + + this._getElement().classList.remove(CLASS_NAME_SHOW) + + this._emulateAnimation(() => { + this.dispose() + execute(callback) + }) + } + + // Private + + _getElement() { + if (!this._element) { + const backdrop = document.createElement('div') + backdrop.className = this._config.className + if (this._config.isAnimated) { + backdrop.classList.add(CLASS_NAME_FADE) + } + + this._element = backdrop + } + + return this._element + } + + _getConfig(config) { + config = { + ...Default, + ...(typeof config === 'object' ? config : {}) + } + + // use getElement() with the default "body" to get a fresh Element on each instantiation + config.rootElement = getElement(config.rootElement) + typeCheckConfig(NAME, config, DefaultType) + return config + } + + _append() { + if (this._isAppended) { + return + } + + this._config.rootElement.append(this._getElement()) + + EventHandler.on(this._getElement(), EVENT_MOUSEDOWN, () => { + execute(this._config.clickCallback) + }) + + this._isAppended = true + } + + dispose() { + if (!this._isAppended) { + return + } + + EventHandler.off(this._element, EVENT_MOUSEDOWN) + + this._element.remove() + this._isAppended = false + } + + _emulateAnimation(callback) { + executeAfterTransition(callback, this._getElement(), this._config.isAnimated) + } +} + +export default Backdrop diff --git a/js/src/util/component-functions.js b/js/src/util/component-functions.js new file mode 100644 index 000000000..0737b6374 --- /dev/null +++ b/js/src/util/component-functions.js @@ -0,0 +1,34 @@ +/** + * -------------------------------------------------------------------------- + * Bootstrap (v5.1.0): util/component-functions.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) + * -------------------------------------------------------------------------- + */ + +import EventHandler from '../dom/event-handler' +import { getElementFromSelector, isDisabled } from './index' + +const enableDismissTrigger = (component, method = 'hide') => { + const clickEvent = `click.dismiss${component.EVENT_KEY}` + const name = component.NAME + + EventHandler.on(document, clickEvent, `[data-bs-dismiss="${name}"]`, function (event) { + if (['A', 'AREA'].includes(this.tagName)) { + event.preventDefault() + } + + if (isDisabled(this)) { + return + } + + const target = getElementFromSelector(this) || this.closest(`.${name}`) + const instance = component.getOrCreateInstance(target) + + // Method argument is left, for Alert and only, as it doesn't implement the 'hide' method + instance[method]() + }) +} + +export { + enableDismissTrigger +} diff --git a/js/src/util/focustrap.js b/js/src/util/focustrap.js new file mode 100644 index 000000000..e35bbe6ab --- /dev/null +++ b/js/src/util/focustrap.js @@ -0,0 +1,109 @@ +/** + * -------------------------------------------------------------------------- + * Bootstrap (v5.1.0): util/focustrap.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + * -------------------------------------------------------------------------- + */ + +import EventHandler from '../dom/event-handler' +import SelectorEngine from '../dom/selector-engine' +import { typeCheckConfig } from './index' + +const Default = { + trapElement: null, // The element to trap focus inside of + autofocus: true +} + +const DefaultType = { + trapElement: 'element', + autofocus: 'boolean' +} + +const NAME = 'focustrap' +const DATA_KEY = 'bs.focustrap' +const EVENT_KEY = `.${DATA_KEY}` +const EVENT_FOCUSIN = `focusin${EVENT_KEY}` +const EVENT_KEYDOWN_TAB = `keydown.tab${EVENT_KEY}` + +const TAB_KEY = 'Tab' +const TAB_NAV_FORWARD = 'forward' +const TAB_NAV_BACKWARD = 'backward' + +class FocusTrap { + constructor(config) { + this._config = this._getConfig(config) + this._isActive = false + this._lastTabNavDirection = null + } + + activate() { + const { trapElement, autofocus } = this._config + + if (this._isActive) { + return + } + + if (autofocus) { + trapElement.focus() + } + + EventHandler.off(document, EVENT_KEY) // guard against infinite focus loop + EventHandler.on(document, EVENT_FOCUSIN, event => this._handleFocusin(event)) + EventHandler.on(document, EVENT_KEYDOWN_TAB, event => this._handleKeydown(event)) + + this._isActive = true + } + + deactivate() { + if (!this._isActive) { + return + } + + this._isActive = false + EventHandler.off(document, EVENT_KEY) + } + + // Private + + _handleFocusin(event) { + const { target } = event + const { trapElement } = this._config + + if ( + target === document || + target === trapElement || + trapElement.contains(target) + ) { + return + } + + const elements = SelectorEngine.focusableChildren(trapElement) + + if (elements.length === 0) { + trapElement.focus() + } else if (this._lastTabNavDirection === TAB_NAV_BACKWARD) { + elements[elements.length - 1].focus() + } else { + elements[0].focus() + } + } + + _handleKeydown(event) { + if (event.key !== TAB_KEY) { + return + } + + this._lastTabNavDirection = event.shiftKey ? TAB_NAV_BACKWARD : TAB_NAV_FORWARD + } + + _getConfig(config) { + config = { + ...Default, + ...(typeof config === 'object' ? config : {}) + } + typeCheckConfig(NAME, config, DefaultType) + return config + } +} + +export default FocusTrap diff --git a/js/src/util/index.js b/js/src/util/index.js index ae3cd2ac0..bed2534e5 100644 --- a/js/src/util/index.js +++ b/js/src/util/index.js @@ -1,6 +1,6 @@ /** * -------------------------------------------------------------------------- - * Bootstrap (v5.0.0-beta2): util/index.js + * Bootstrap (v5.1.0): util/index.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ @@ -48,7 +48,7 @@ const getSelector = element => { // Just in case some CMS puts out a full URL with the anchor appended if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) { - hrefAttr = '#' + hrefAttr.split('#')[1] + hrefAttr = `#${hrefAttr.split('#')[1]}` } selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null @@ -100,24 +100,28 @@ const triggerTransitionEnd = element => { element.dispatchEvent(new Event(TRANSITION_END)) } -const isElement = obj => (obj[0] || obj).nodeType +const isElement = obj => { + if (!obj || typeof obj !== 'object') { + return false + } -const emulateTransitionEnd = (element, duration) => { - let called = false - const durationPadding = 5 - const emulatedDuration = duration + durationPadding + if (typeof obj.jquery !== 'undefined') { + obj = obj[0] + } - function listener() { - called = true - element.removeEventListener(TRANSITION_END, listener) + return typeof obj.nodeType !== 'undefined' +} + +const getElement = obj => { + if (isElement(obj)) { // it's a jQuery object or a node element + return obj.jquery ? obj[0] : obj } - element.addEventListener(TRANSITION_END, listener) - setTimeout(() => { - if (!called) { - triggerTransitionEnd(element) - } - }, emulatedDuration) + if (typeof obj === 'string' && obj.length > 0) { + return document.querySelector(obj) + } + + return null } const typeCheckConfig = (componentName, config, configTypes) => { @@ -128,29 +132,34 @@ const typeCheckConfig = (componentName, config, configTypes) => { if (!new RegExp(expectedTypes).test(valueType)) { throw new TypeError( - `${componentName.toUpperCase()}: ` + - `Option "${property}" provided type "${valueType}" ` + - `but expected type "${expectedTypes}".` + `${componentName.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".` ) } }) } const isVisible = element => { - if (!element) { + if (!isElement(element) || element.getClientRects().length === 0) { return false } - if (element.style && element.parentNode && element.parentNode.style) { - const elementStyle = getComputedStyle(element) - const parentNodeStyle = getComputedStyle(element.parentNode) + return getComputedStyle(element).getPropertyValue('visibility') === 'visible' +} + +const isDisabled = element => { + if (!element || element.nodeType !== Node.ELEMENT_NODE) { + return true + } + + if (element.classList.contains('disabled')) { + return true + } - return elementStyle.display !== 'none' && - parentNodeStyle.display !== 'none' && - elementStyle.visibility !== 'hidden' + if (typeof element.disabled !== 'undefined') { + return element.disabled } - return false + return element.hasAttribute('disabled') && element.getAttribute('disabled') !== 'false' } const findShadowRoot = element => { @@ -176,9 +185,20 @@ const findShadowRoot = element => { return findShadowRoot(element.parentNode) } -const noop = () => function () {} +const noop = () => {} -const reflow = element => element.offsetHeight +/** + * Trick to restart an element's animation + * + * @param {HTMLElement} element + * @return void + * + * @see https://www.charistheo.io/blog/2021/02/restart-a-css-animation-with-javascript/#restarting-a-css-animation + */ +const reflow = element => { + // eslint-disable-next-line no-unused-expressions + element.offsetHeight +} const getjQuery = () => { const { jQuery } = window @@ -190,9 +210,18 @@ const getjQuery = () => { return null } +const DOMContentLoadedCallbacks = [] + const onDOMContentLoaded = callback => { if (document.readyState === 'loading') { - document.addEventListener('DOMContentLoaded', callback) + // add listener on the first call when the document is in loading state + if (!DOMContentLoadedCallbacks.length) { + document.addEventListener('DOMContentLoaded', () => { + DOMContentLoadedCallbacks.forEach(callback => callback()) + }) + } + + DOMContentLoadedCallbacks.push(callback) } else { callback() } @@ -200,11 +229,12 @@ const onDOMContentLoaded = callback => { const isRTL = () => document.documentElement.dir === 'rtl' -const defineJQueryPlugin = (name, plugin) => { +const defineJQueryPlugin = plugin => { onDOMContentLoaded(() => { const $ = getjQuery() /* istanbul ignore if */ if ($) { + const name = plugin.NAME const JQUERY_NO_CONFLICT = $.fn[name] $.fn[name] = plugin.jQueryInterface $.fn[name].Constructor = plugin @@ -216,21 +246,88 @@ const defineJQueryPlugin = (name, plugin) => { }) } +const execute = callback => { + if (typeof callback === 'function') { + callback() + } +} + +const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => { + if (!waitForTransition) { + execute(callback) + return + } + + const durationPadding = 5 + const emulatedDuration = getTransitionDurationFromElement(transitionElement) + durationPadding + + let called = false + + const handler = ({ target }) => { + if (target !== transitionElement) { + return + } + + called = true + transitionElement.removeEventListener(TRANSITION_END, handler) + execute(callback) + } + + transitionElement.addEventListener(TRANSITION_END, handler) + setTimeout(() => { + if (!called) { + triggerTransitionEnd(transitionElement) + } + }, emulatedDuration) +} + +/** + * Return the previous/next element of a list. + * + * @param {array} list The list of elements + * @param activeElement The active element + * @param shouldGetNext Choose to get next or previous element + * @param isCycleAllowed + * @return {Element|elem} The proper element + */ +const getNextActiveElement = (list, activeElement, shouldGetNext, isCycleAllowed) => { + let index = list.indexOf(activeElement) + + // if the element does not exist in the list return an element depending on the direction and if cycle is allowed + if (index === -1) { + return list[!shouldGetNext && isCycleAllowed ? list.length - 1 : 0] + } + + const listLength = list.length + + index += shouldGetNext ? 1 : -1 + + if (isCycleAllowed) { + index = (index + listLength) % listLength + } + + return list[Math.max(0, Math.min(index, listLength - 1))] +} + export { + getElement, getUID, getSelectorFromElement, getElementFromSelector, getTransitionDurationFromElement, triggerTransitionEnd, isElement, - emulateTransitionEnd, typeCheckConfig, isVisible, + isDisabled, findShadowRoot, noop, + getNextActiveElement, reflow, getjQuery, onDOMContentLoaded, isRTL, - defineJQueryPlugin + defineJQueryPlugin, + execute, + executeAfterTransition } diff --git a/js/src/util/sanitizer.js b/js/src/util/sanitizer.js index 18ac6f943..d40655918 100644 --- a/js/src/util/sanitizer.js +++ b/js/src/util/sanitizer.js @@ -1,6 +1,6 @@ /** * -------------------------------------------------------------------------- - * Bootstrap (v5.0.0-beta2): util/sanitizer.js + * Bootstrap (v5.1.0): util/sanitizer.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) * -------------------------------------------------------------------------- */ @@ -23,7 +23,7 @@ const ARIA_ATTRIBUTE_PATTERN = /^aria-[\w-]*$/i * * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts */ -const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/gi +const SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/i /** * A pattern that matches safe data URLs. Only matches image, video and audio types. @@ -108,7 +108,7 @@ export function sanitizeHtml(unsafeHtml, allowList, sanitizeFn) { const elName = el.nodeName.toLowerCase() if (!allowlistKeys.includes(elName)) { - el.parentNode.removeChild(el) + el.remove() continue } diff --git a/js/src/util/scrollbar.js b/js/src/util/scrollbar.js new file mode 100644 index 000000000..c90d82907 --- /dev/null +++ b/js/src/util/scrollbar.js @@ -0,0 +1,97 @@ +/** + * -------------------------------------------------------------------------- + * Bootstrap (v5.1.0): util/scrollBar.js + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) + * -------------------------------------------------------------------------- + */ + +import SelectorEngine from '../dom/selector-engine' +import Manipulator from '../dom/manipulator' +import { isElement } from './index' + +const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top' +const SELECTOR_STICKY_CONTENT = '.sticky-top' + +class ScrollBarHelper { + constructor() { + this._element = document.body + } + + 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, 'paddingRight', calculatedValue => calculatedValue + width) + // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements to keep showing fullwidth + this._setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width) + this._setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width) + } + + _disableOverFlow() { + this._saveInitialAttribute(this._element, 'overflow') + this._element.style.overflow = 'hidden' + } + + _setElementAttributes(selector, styleProp, callback) { + const scrollbarWidth = this.getWidth() + const manipulationCallBack = element => { + if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) { + return + } + + this._saveInitialAttribute(element, styleProp) + const calculatedValue = window.getComputedStyle(element)[styleProp] + element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px` + } + + this._applyManipulationCallback(selector, manipulationCallBack) + } + + reset() { + this._resetElementAttributes(this._element, 'overflow') + this._resetElementAttributes(this._element, 'paddingRight') + this._resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight') + this._resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight') + } + + _saveInitialAttribute(element, styleProp) { + const actualValue = element.style[styleProp] + if (actualValue) { + Manipulator.setDataAttribute(element, styleProp, actualValue) + } + } + + _resetElementAttributes(selector, styleProp) { + const manipulationCallBack = element => { + const value = Manipulator.getDataAttribute(element, styleProp) + if (typeof value === 'undefined') { + element.style.removeProperty(styleProp) + } else { + Manipulator.removeDataAttribute(element, styleProp) + element.style[styleProp] = value + } + } + + this._applyManipulationCallback(selector, manipulationCallBack) + } + + _applyManipulationCallback(selector, callBack) { + if (isElement(selector)) { + callBack(selector) + } else { + SelectorEngine.find(selector, this._element).forEach(callBack) + } + } + + isOverflowing() { + return this.getWidth() > 0 + } +} + +export default ScrollBarHelper |
