@polyv/utils/cjs/image.js

Utility functions of Polyv frontend development.

"use strict";function getExtname(e){var A=(e||"").split("."),t=A[A.length-1];return t?t.toLowerCase():""}function handleCompressOptions(e){var A,t,r="number"==typeof e?{width:e}:e;return r.allowJPG=null===(A=r.allowJPG)||void 0===A||A,r.allowWebP=null!==(t=r.allowWebP)&&void 0!==t?t:"auto",r}function createURLObject(e){var A;if("undefined"!=typeof document){var t=document.createElement("a");t.href=e,A=t}else if("function"==typeof URL)try{A=new URL(/^\/\//.test(e)?"https:"+e:e)}catch(e){}return A}function genOSSCompressParams(e,A){var t="";return null==A.width&&null==A.height||(t+="/resize",A.width&&(t+=",w_"+A.width),A.height&&(t+=",h_"+A.height),t+=",limit_1"),A.allowAVIF&&"gif"!==e?t+="/format,avif":!0===A.allowWebP||"auto"===A.allowWebP&&(0,exports.supportWebP)()?t+="/format,webp/quality,Q_80":A.allowJPG&&"gif"!==e&&(t+="/format,jpg/quality,Q_80"),t}function setOSSCompressParams(e,A){var t=!1;return e=e.replace(/([?&]x-oss-process)(?:=([^&]*))?/,(function(e,r,o){return t=!0,/^image/.test(o)?r+"="+o.replace(/\/(?:resize|format|quality)[^/]*/gi,"")+A:e})),t?e:e+(-1===e.indexOf("?")?"?":"&")+"x-oss-process=image"+A}function ossCompress(e,A){var t=createURLObject(e);if(!t)return e;var r=getExtname(t.pathname.split("/").pop());if(!/\.videocc\.net$/i.test(t.hostname)||"svg"===r)return e;var o=genOSSCompressParams(r,handleCompressOptions(A));return o&&(t.search=setOSSCompressParams(t.search,o)),t.href}function genCOSCompressParams(e,A){var t="";return null!=A.width&&null!=A.height?t+="/thumbnail/".concat(A.width,"x").concat(A.height):null!=A.width?t+="/thumbnail/".concat(A.width,"x"):null!=A.height&&(t+="/thumbnail/x".concat(A.height)),A.allowAVIF&&"gif"!==e?t+="/format/avif":!0===A.allowWebP||"auto"===A.allowWebP&&(0,exports.supportWebP)()?t+="/format/webp/quality/80":A.allowJPG&&"gif"!==e&&(t+="/format/jpg/quality/80"),t}function setCOSCompressParams(e,A){var t=!1;return e=e.replace(/([?&]imageMogr2)(\/[^&]*)/,(function(e,r,o){return t=!0,r+"="+o.replace(/\/(?:thumbnail|format|quality)\/[^/]+/gi,"")+A})),t?e:e+(-1===e.indexOf("?")?"?":"&")+"imageMogr2"+A}function cosCompress(e,A){var t=createURLObject(e);if(!t)return e;var r=getExtname(t.pathname.split("/").pop());if(!/(?:\.videocc\.net|\.kingswayvideo\.com)$/i.test(t.hostname)||"svg"===r)return e;var o=genCOSCompressParams(r,handleCompressOptions(A));return o&&(t.search=setCOSCompressParams(t.search,o)),t.href}function compressHTMLImgs(e,A,t){return void 0===t&&(t=ossCompress),e?e.replace(/(<img.*?\ssrc=)(["']?)(.+?)\2(.*?>)/gi,(function(e,r,o,a,s){return r+'"'+t(a,A)+'" data-src="'+a+'"'+s})):""}Object.defineProperty(exports,"__esModule",{value:!0}),exports.supportAVIF=exports.supportWebP=void 0,exports.ossCompress=ossCompress,exports.cosCompress=cosCompress,exports.compressHTMLImgs=compressHTMLImgs,exports.supportWebP=function(){var e;return function(){if(null==e)try{e=function(){var e=document.createElement("canvas");if(e.getContext&&e.getContext("2d")){var A="image/webp";return 0===e.toDataURL(A).indexOf("data:"+A)}return!1}()}catch(A){e=!1}return e}}(),exports.supportAVIF=function(){var e;return function(){return e||(e=new Promise((function(e){var A=new Image;A.src="data:image/avif;base64,AAAAIGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZk1BMUIAAADybWV0YQAAAAAAAAAoaGRscgAAAAAAAAAAcGljdAAAAAAAAAAAAAAAAGxpYmF2aWYAAAAADnBpdG0AAAAAAAEAAAAeaWxvYwAAAABEAAABAAEAAAABAAABGgAAAB0AAAAoaWluZgAAAAAAAQAAABppbmZlAgAAAAABAABhdjAxQ29sb3IAAAAAamlwcnAAAABLaXBjbwAAABRpc3BlAAAAAAAAAAIAAAACAAAAEHBpeGkAAAAAAwgICAAAAAxhdjFDgQ0MAAAAABNjb2xybmNseAACAAIAAYAAAAAXaXBtYQAAAAAAAAABAAEEAQKDBAAAACVtZGF0EgAKCBgANogQEAwgMg8f8D///8WfhwB8+ErK42A=",A.onerror=function(){e(!1)},A.onload=function(){e(!0)},setTimeout((function(){e(!1)}),1e3)}))),e}}();