lazysizes

# Changelog ### 5.3.1 - Added basic Typescript support ### 5.3.0 - BGSet: Support adding multiple images/backgrounds through `event.detail.fullSrc` ([#827](https://github.com/aFarkas/lazysizes/issues/827)) - RiaS plugin: Use `source` based config in case of `picture` element usage ([#764](https://github.com/aFarkas/lazysizes/issues/831)) - BlurUp plugin: Added possibility to change classNames ([#814](https://github.com/aFarkas/lazysizes/pull/814)) - Core: Added `iframeLoadMode` option (see [#810](https://github.com/aFarkas/lazysizes/pull/810)) ## 5.2.2 - Add correct AMD module pattern for plugins. ## 5.2.1 - BlurUp-Plugin: Copy style attribute ([#764](https://github.com/aFarkas/lazysizes/pull/764)) - Fixes minor security issue with video-embed plugin ([#764](https://github.com/aFarkas/lazysizes/pull/764)) - Built: Update dependencies ([#774](https://github.com/aFarkas/lazysizes/pull/774), [#756](https://github.com/aFarkas/lazysizes/pull/756)) - Fixes diverse issues with old AMD module pattern ([#780](https://github.com/aFarkas/lazysizes/pull/780), [#779](https://github.com/aFarkas/lazysizes/pull/779)) ## 5.2.0 * Fix wrong window context under very rare SSR (fixes [#717](https://github.com/aFarkas/lazysizes/pull/717)) * Fix Safari Back-Forward Cache issue with lazyloading image elements (fixes [#711](https://github.com/aFarkas/lazysizes/issues/711)) * Add lazyload of autoplay videos to unveilhooks (fixes [#697](https://github.com/aFarkas/lazysizes/issues/697)) ## 5.1.2 * Fix visibility check (fixes [#709](https://github.com/aFarkas/lazysizes/issues/709)) ## 5.1.1 * Fix ratio calculation in rias plugin (fixed in [#685](https://github.com/aFarkas/lazysizes/pull/685) by [tikotzky](https://github.com/tikotzky)) * Make thumb size for youtube poster image in video-embed plugin configurable (see [#681](https://github.com/aFarkas/lazysizes/pull/681) thx to [@nikitasol](https://github.com/nikitasol)) ## 5.1.0 * Allow import/execution in node environment * Use "hqdefault" for youtube poster image in video-embed plugin fixes [#666](https://github.com/aFarkas/lazysizes/issues/666) ## 5.0.0 * Use `width`/`height` content attributes to detect physical aspect ratio of image candidates, if `data-aspectratio` and `h`/`w` descriptors are missing. [#642](https://github.com/aFarkas/lazysizes/issues/642) * Do not leak global `lazySizesConfig` anymore fixes [#647](https://github.com/aFarkas/lazysizes/issues/647) * Improve handling of cloned object-fit images fixes [#648](https://github.com/aFarkas/lazysizes/issues/648) * Improve blur-up/effect plugin. * Add support for native `loading="lazy"` feature as a [native loading plugin](https://github.com/aFarkas/lazysizes/tree/gh-pages/plugins/native-loading). ## 4.1.8 * Added the class `ls-is-cached` to already cached images. * Added h descriptor parsing fix plugin for MS edge (was already included in respimg polyfill.) * Effects-Plugin/Blur Up plugin: Remove [].find because IE..., fixes [#631](https://github.com/aFarkas/lazysizes/issues/631) * Documentation stuff * Bring back *.min.js files to npm package, but don't use them in your `import`/`require`. These are mostly for CDNs. Not for Common JS bundlers. ## 4.1.7 * Blur Up plugin: make blur up mode configurable by script * Unload Plugin: Fix unload plugin not knowing current expand, fixes [#608](https://github.com/aFarkas/lazysizes/issues/608) * simplify resetPreloading and switchLoadingClass, fixes [#614](https://github.com/aFarkas/lazysizes/issues/614) ## 4.1.6 * Several Readme fixes * Allow expand, hFax and expFactor to be changed after initialization, see [#581](https://github.com/aFarkas/lazysizes/issues/581) ## 4.1.5 * Blur Up plugin: Add an empty alt attribute to the blur image to satisfy a11y [c3256d6](https://github.com/aFarkas/lazysizes/commit/c3256d61c002a984ab3e644e922b0fdc052519d8) * Blur Up plugin: added aria-hidden attribute [1d62efb](https://github.com/aFarkas/lazysizes/commit/1d62efb352f579d4505bd3d76d8166db2db9481f) * RiaS plugin: fix wrong ratio calculation, fixes [#550](https://github.com/aFarkas/lazysizes/issues/550) * Rias Plugin: add aspect-ratio to rias for calculating height, fixes [#557](https://github.com/aFarkas/lazysizes/issues/557) ## 4.1.4 * Resolve race condition with blurImg [dffa93b](https://github.com/aFarkas/lazysizes/commit/dffa93b804302363aceb7dc814b01629014ed03b) * make intersectionobserver version compatible with plugins [2f1a025](https://github.com/aFarkas/lazysizes/commit/2f1a02531eb96e828d42fb7877e776b810d7f346) ## 4.1.3 * change from custom to basic event interface (maybe fixes [#520](https://github.com/aFarkas/lazysizes/issues/527)) * Clarify data-aspectratio attribute [d868605](https://github.com/aFarkas/lazysizes/commit/d8686050adeb68aae14e522bed12d68ab00b7595) ## 4.1.2 * fixes race condition with blurupimg [#527](https://github.com/aFarkas/lazysizes/issues/527) * add proxy change event to extend bgset [#532](https://github.com/aFarkas/lazysizes/issues/532) ## 4.1.1 * See [3ace9f3](https://github.com/aFarkas/lazysizes/commit/3ace9f359617409fe2824311032439fcf76a7c99) ## 4.1.0 * improve effect plugin ## 4.0.4 * fixes issue in bgset introduced with version 4.0.3 ## 4.0.3 * add [blur up plugin](https://jsfiddle.net/trixta/v0oq0412/embedded/result/) ## 4.0.0 * make all plugins CommonJS compatible (thx to @claudiobmgrtnr and @jantimon) * added `loadHidden` option(thx to @justinvoelker) * added artdirection plugin (no documentation yet, but great) * iOS 8.1 fixes has to be loaded explicitly in non CommonJS environments (not included in respimg plugin anymore) * removed `picture` support for old FF 38- ## 2.0.0 * lazysizes core: * heavily improved performance (`requestIdleCallback`, better debouncing and a lot more). * plugins: * new plugin: [**object fit polyfill**](plugins/object-fit). * improved new options for [parent-fit plugin](plugins/parent-fit). ## 1.5.0 Breaking change: * the lazysizes.js and lazysizes.min.js files do not register as AMD modules anymore, if you need an AMD module use the new lazysizes-umd.js or lazysizes-umd.min.js file. * lazysizes core: * improved lazyloading in background tabs. * fixed set lazyloaded class to early in FF. * bgset/parentFit plugin: * improved avoiding layout thrashing. * respimg/bgset/parentFit plugin: * fixed bug in Edge 14 to parse height descriptors correctly. * unload plugin: unload plugin was broken since version 1.4.0 (thanks to @hokamoto) ## 1.4.0 * lazysizes core: * improved lazyloading in background tabs. * improved avoiding layout thrashing * support of SVG elements (`svg`/`image`/`use`...) * bgset/parentFit plugin: * improved avoiding layout thrashing * rias (and bgset): * added support for height calculation (thx to @LRancez, [#213](https://github.com/aFarkas/lazysizes/pull/213)) ## 1.3.2 * lazysizes core: * add `hFactor` option (see #181). * unload plugin: * simplified `unloadPixelThreshold` calculation. * bgset plugin: * add an empty alt to image (see #200). ## 1.3.1 version * lazysizes core: * replace `setImmediate` with `setTimeout` (improved performance for IE/EDGE). * plugins: * fixed conflict with respimg plugin in combination with bgset plugin, in case of art direction and resize to smaller. * fixed conflict with RIaS plugin in combination with respimg plugin/picturefill in Safari 8/9.