diff --git a/package.json b/package.json index e798e16cf..c71ecbdef 100644 --- a/package.json +++ b/package.json @@ -55,6 +55,7 @@ "babel-helper-vue-jsx-merge-props": "^2.0.0", "deepmerge": "^1.2.0", "normalize-wheel": "^1.0.1", + "resize-observer-polyfill": "^1.5.0", "throttle-debounce": "^1.0.1" }, "peerDependencies": { diff --git a/src/utils/resize-event.js b/src/utils/resize-event.js index e4a60f20c..cd130ba3f 100644 --- a/src/utils/resize-event.js +++ b/src/utils/resize-event.js @@ -1,190 +1,35 @@ -/* Modified from https://github.com/sdecima/javascript-detect-element-resize - * version: 0.5.3 - * - * The MIT License (MIT) - * - * Copyright (c) 2013 Sebastián Décima - * - * Permission is hereby granted, free of charge, to any person obtaining a copy of - * this software and associated documentation files (the "Software"), to deal in - * the Software without restriction, including without limitation the rights to - * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of - * the Software, and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all - * copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR - * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER - * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ +import ResizeObserver from 'resize-observer-polyfill'; + const isServer = typeof window === 'undefined'; /* istanbul ignore next */ -const requestFrame = (function() { - if (isServer) return; - const raf = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || - function(fn) { - return window.setTimeout(fn, 20); - }; - return function(fn) { - return raf(fn); - }; -})(); - -/* istanbul ignore next */ -const cancelFrame = (function() { - if (isServer) return; - const cancel = window.cancelAnimationFrame || window.mozCancelAnimationFrame || window.webkitCancelAnimationFrame || window.clearTimeout; - return function(id) { - return cancel(id); - }; -})(); - -/* istanbul ignore next */ -const resetTrigger = function(element) { - const trigger = element.__resizeTrigger__; - const expand = trigger.firstElementChild; - const contract = trigger.lastElementChild; - const expandChild = expand.firstElementChild; - - contract.scrollLeft = contract.scrollWidth; - contract.scrollTop = contract.scrollHeight; - expandChild.style.width = expand.offsetWidth + 1 + 'px'; - expandChild.style.height = expand.offsetHeight + 1 + 'px'; - expand.scrollLeft = expand.scrollWidth; - expand.scrollTop = expand.scrollHeight; -}; - -/* istanbul ignore next */ -const checkTriggers = function(element) { - return element.offsetWidth !== element.__resizeLast__.width || element.offsetHeight !== element.__resizeLast__.height; -}; - -/* istanbul ignore next */ -const scrollListener = function(event) { - resetTrigger(this); - if (this.__resizeRAF__) cancelFrame(this.__resizeRAF__); - this.__resizeRAF__ = requestFrame(() => { - if (checkTriggers(this)) { - this.__resizeLast__.width = this.offsetWidth; - this.__resizeLast__.height = this.offsetHeight; - this.__resizeListeners__.forEach((fn) => { - fn.call(this, event); +const resizeHandler = function(entries) { + for (let entry of entries) { + const listeners = entry.target.__resizeListeners__ || []; + if (listeners.length) { + listeners.forEach(fn => { + fn(); }); } - }); -}; - -/* Detect CSS Animations support to detect element display/re-attach */ -const attachEvent = isServer ? {} : document.attachEvent; -const DOM_PREFIXES = 'Webkit Moz O ms'.split(' '); -const START_EVENTS = 'webkitAnimationStart animationstart oAnimationStart MSAnimationStart'.split(' '); -const RESIZE_ANIMATION_NAME = 'resizeanim'; -let animation = false; -let keyFramePrefix = ''; -let animationStartEvent = 'animationstart'; - -/* istanbul ignore next */ -if (!attachEvent && !isServer) { - const testElement = document.createElement('fakeelement'); - if (testElement.style.animationName !== undefined) { - animation = true; - } - - if (animation === false) { - let prefix = ''; - for (var i = 0; i < DOM_PREFIXES.length; i++) { - if (testElement.style[DOM_PREFIXES[i] + 'AnimationName'] !== undefined) { - prefix = DOM_PREFIXES[i]; - keyFramePrefix = '-' + prefix.toLowerCase() + '-'; - animationStartEvent = START_EVENTS[i]; - animation = true; - break; - } - } - } -} - -let stylesCreated = false; -/* istanbul ignore next */ -const createStyles = function() { - if (!stylesCreated && !isServer) { - const animationKeyframes = `@${keyFramePrefix}keyframes ${RESIZE_ANIMATION_NAME} { from { opacity: 0; } to { opacity: 0; } } `; - const animationStyle = `${keyFramePrefix}animation: 1ms ${RESIZE_ANIMATION_NAME};`; - - // opacity: 0 works around a chrome bug https://code.google.com/p/chromium/issues/detail?id=286360 - const css = `${animationKeyframes} - .resize-triggers { ${animationStyle} visibility: hidden; opacity: 0; } - .resize-triggers, .resize-triggers > div, .contract-trigger:before { content: \" \"; display: block; position: absolute; top: 0; left: 0; height: 100%; width: 100%; overflow: hidden; z-index: -1 } - .resize-triggers > div { background: #eee; overflow: auto; } - .contract-trigger:before { width: 200%; height: 200%; }`; - - const head = document.head || document.getElementsByTagName('head')[0]; - const style = document.createElement('style'); - - style.type = 'text/css'; - if (style.styleSheet) { - style.styleSheet.cssText = css; - } else { - style.appendChild(document.createTextNode(css)); - } - - head.appendChild(style); - stylesCreated = true; } }; /* istanbul ignore next */ export const addResizeListener = function(element, fn) { if (isServer) return; - if (attachEvent) { - element.attachEvent('onresize', fn); - } else { - if (!element.__resizeTrigger__) { - if (getComputedStyle(element).position === 'static') { - element.style.position = 'relative'; - } - createStyles(); - element.__resizeLast__ = {}; - element.__resizeListeners__ = []; - - const resizeTrigger = element.__resizeTrigger__ = document.createElement('div'); - resizeTrigger.className = 'resize-triggers'; - resizeTrigger.innerHTML = '
'; - element.appendChild(resizeTrigger); - - resetTrigger(element); - element.addEventListener('scroll', scrollListener, true); - - /* Listen for a css animation to detect element display/re-attach */ - if (animationStartEvent) { - resizeTrigger.addEventListener(animationStartEvent, function(event) { - if (event.animationName === RESIZE_ANIMATION_NAME) { - resetTrigger(element); - } - }); - } - } - element.__resizeListeners__.push(fn); + if (!element.__resizeListeners__) { + element.__resizeListeners__ = []; + element.__ro__ = new ResizeObserver(resizeHandler); + element.__ro__.observe(element); } + element.__resizeListeners__.push(fn); }; /* istanbul ignore next */ export const removeResizeListener = function(element, fn) { if (!element || !element.__resizeListeners__) return; - if (attachEvent) { - element.detachEvent('onresize', fn); - } else { - element.__resizeListeners__.splice(element.__resizeListeners__.indexOf(fn), 1); - if (!element.__resizeListeners__.length) { - element.removeEventListener('scroll', scrollListener); - element.__resizeTrigger__ = !element.removeChild(element.__resizeTrigger__); - } + element.__resizeListeners__.splice(element.__resizeListeners__.indexOf(fn), 1); + if (!element.__resizeListeners__.length) { + element.__ro__.disconnect(); } }; diff --git a/yarn.lock b/yarn.lock index 81f9c2f85..d01a8c698 100644 --- a/yarn.lock +++ b/yarn.lock @@ -7073,6 +7073,10 @@ requires-port@1.0.x, requires-port@1.x.x: version "1.0.0" resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff" +resize-observer-polyfill@^1.5.0: + version "1.5.0" + resolved "https://registry.yarnpkg.com/resize-observer-polyfill/-/resize-observer-polyfill-1.5.0.tgz#660ff1d9712a2382baa2cad450a4716209f9ca69" + resolve-dir@^0.1.0: version "0.1.1" resolved "https://registry.yarnpkg.com/resolve-dir/-/resolve-dir-0.1.1.tgz#b219259a5602fac5c5c496ad894a6e8cc430261e"