iframeResizer.min.js

/*! iFrame Resizer (iframeSizer.min.js ) - v4.2.6 - 2019-11-10
 *  Desc: Force cross domain iframes to size to content.
 *  Requires: iframeResizer.contentWindow.min.js to be loaded into the target frame.
 *  Copyright: (c) 2019 David J. Bradshaw - dave@bradshaw.net
 *  License: MIT
 */

!function(l){if("undefined"!=typeof window){var e,m=0,g=!1,o=!1,v="message".length,I="[iFrameSizer]",x=I.length,F=null,r=window.requestAnimationFrame,h={max:1,scroll:1,bodyScroll:1,documentElementScroll:1},M={},i=null,w={autoResize:!0,bodyBackground:null,bodyMargin:null,bodyMarginV1:8,bodyPadding:null,checkOrigin:!0,inPageLinks:!1,enablePublicMethods:!0,heightCalculationMethod:"bodyOffset",id:"iFrameResizer",interval:32,log:!1,maxHeight:1/0,maxWidth:1/0,minHeight:0,minWidth:0,resizeFrom:"parent",scrolling:!1,sizeHeight:!0,sizeWidth:!1,warningTimeout:5e3,tolerance:0,widthCalculationMethod:"scroll",onClose:function(){return!0},onClosed:function(){},onInit:function(){},onMessage:function(){E("onMessage function not defined")},onResized:function(){},onScroll:function(){return!0}},z={};window.jQuery&&((e=window.jQuery).fn?e.fn.iFrameResize||(e.fn.iFrameResize=function(i){return this.filter("iframe").each(function(e,n){d(n,i)}).end()}):T("","Unable to bind to jQuery, it is not fully loaded.")),"function"==typeof define&&define.amd?define([],q):"object"==typeof module&&"object"==typeof module.exports&&(module.exports=q()),window.iFrameResize=window.iFrameResize||q()}function p(){return window.MutationObserver||window.WebKitMutationObserver||window.MozMutationObserver}function k(e,n,i){e.addEventListener(n,i,!1)}function O(e,n,i){e.removeEventListener(n,i,!1)}function a(e){return I+"["+function(e){var n="Host page: "+e;return window.top!==window.self&&(n=window.parentIFrame&&window.parentIFrame.getId?window.parentIFrame.getId()+": "+e:"Nested host page: "+e),n}(e)+"]"}function t(e){return M[e]?M[e].log:g}function R(e,n){s("log",e,n,t(e))}function T(e,n){s("info",e,n,t(e))}function E(e,n){s("warn",e,n,!0)}function s(e,n,i,t){!0===t&&"object"==typeof window.console&&console[e](a(n),i)}function n(n){function e(){i("Height"),i("Width"),A(function(){P(b),S(y),d("onResized",b)},b,"init")}function i(e){var n=Number(M[y]["max"+e]),i=Number(M[y]["min"+e]),t=e.toLowerCase(),o=Number(b[t]);R(y,"Checking "+t+" is in range "+i+"-"+n),o<i&&(o=i,R(y,"Set "+t+" to min value")),n<o&&(o=n,R(y,"Set "+t+" to max value")),b[t]=""+o}function t(e){return p.substr(p.indexOf(":")+v+e)}function a(e,n){!function(e,n,i){z[i]||(z[i]=setTimeout(function(){z[i]=null,e()},n))}(function(){B("Send Page Info","pageInfo:"+function(){var e=document.body.getBoundingClientRect(),n=b.iframe.getBoundingClientRect();return JSON.stringify({iframeHeight:n.height,iframeWidth:n.width,clientHeight:Math.max(document.documentElement.clientHeight,window.innerHeight||0),clientWidth:Math.max(document.documentElement.clientWidth,window.innerWidth||0),offsetTop:parseInt(n.top-e.top,10),offsetLeft:parseInt(n.left-e.left,10),scrollTop:window.pageYOffset,scrollLeft:window.pageXOffset,documentHeight:document.documentElement.clientHeight,documentWidth:document.documentElement.clientWidth,windowHeight:window.innerHeight,windowWidth:window.innerWidth})}(),e,n)},32,n)}function r(e){var n=e.getBoundingClientRect();return N(y),{x:Math.floor(Number(n.left)+Number(F.x)),y:Math.floor(Number(n.top)+Number(F.y))}}function o(e){var n=e?r(b.iframe):{x:0,y:0},i={x:Number(b.width)+n.x,y:Number(b.height)+n.y};R(y,"Reposition requested from iFrame (offset x:"+n.x+" y:"+n.y+")"),window.top!==window.self?window.parentIFrame?window.parentIFrame["scrollTo"+(e?"Offset":"")](i.x,i.y):E(y,"Unable to scroll to requested position, window.parentIFrame not found"):(F=i,s(),R(y,"--"))}function s(){!1!==d("onScroll",F)?S(y):H()}function d(e,n){return W(y,e,n)}var c,u,f,l,m,g,h,w,p=n.data,b={},y=null;"[iFrameResizerChild]Ready"===p?function(){for(var e in M)B("iFrame requested init",L(e),M[e].iframe,e)}():I===(""+p).substr(0,x)&&p.substr(x).split(":")[0]in M?(m=p.substr(x).split(":"),g=m[1]?parseInt(m[1],10):0,h=M[m[0]]&&M[m[0]].iframe,w=getComputedStyle(h),b={iframe:h,id:m[0],height:g+function(e){if("border-box"!==e.boxSizing)return 0;var n=e.paddingTop?parseInt(e.paddingTop,10):0,i=e.paddingBottom?parseInt(e.paddingBottom,10):0;return n+i}(w)+function(e){if("border-box"!==e.boxSizing)return 0;var n=e.borderTopWidth?parseInt(e.borderTopWidth,10):0,i=e.borderBottomWidth?parseInt(e.borderBottomWidth,10):0;return n+i}(w),width:m[2],type:m[3]},y=b.id,M[y]&&(M[y].loaded=!0),(l=b.type in{true:1,false:1,undefined:1})&&R(y,"Ignoring init message from meta parent page"),!l&&(f=!0,M[u=y]||(f=!1,E(b.type+" No settings for "+u+". Message was: "+p)),f)&&(R(y,"Received: "+p),c=!0,null===b.iframe&&(E(y,"IFrame ("+b.id+") not found"),c=!1),c&&function(){var e,i=n.origin,t=M[y]&&M[y].checkOrigin;if(t&&""+i!="null"&&!(t.constructor===Array?function(){var e=0,n=!1;for(R(y,"Checking connection is from allowed list of origins: "+t);e<t.length;e++)if(t[e]===i){n=!0;break}return n}():(e=M[y]&&M[y].remoteHost,R(y,"Checking connection is from: "+e),i===e)))throw new Error("Unexpected message received from: "+i+" for "+b.iframe.id+". Message was: "+n.data+". This error can be disabled by setting the checkOrigin: false option or by providing of array of trusted domains.");return!0}()&&function(){switch(M[y]&&M[y].firstRun&&M[y]&&(M[y].firstRun=!1),b.type){case"close":C(b.iframe);break;case"message":!function(e){R(y,"onMessage passed: {iframe: "+b.iframe.id+", message: "+e+"}"),d("onMessage",{iframe:b.iframe,message:JSON.parse(e)}),R(y,"--")}(t(6));break;case"autoResize":M[y].autoResize=JSON.parse(t(9));break;case"scrollTo":o(!1);break;case"scrollToOffset":o(!0);break;case"pageInfo":a(M[y]&&M[y].iframe,y),function(){function e(n,i){function t(){M[r]?a(M[r].iframe,r):o()}["scroll","resize"].forEach(function(e){R(r,n+e+" listener for sendPageInfo"),i(window,e,t)})}function o(){e("Remove ",O)}var r=y;e("Add ",k),M[r]&&(M[r].stopPageInfo=o)}();break;case"pageInfoStop":M[y]&&M[y].stopPageInfo&&(M[y].stopPageInfo(),delete M[y].stopPageInfo);break;case"inPageLink":!function(e){var n,i=e.split("#")[1]||"",t=decodeURIComponent(i),o=document.getElementById(t)||document.getElementsByName(t)[0];o?(n=r(o),R(y,"Moving to in page link (#"+i+") at x: "+n.x+" y: "+n.y),F={x:n.x,y:n.y},s(),R(y,"--")):window.top!==window.self?window.parentIFrame?window.parentIFrame.moveToAnchor(i):R(y,"In page link #"+i+" not found and window.parentIFrame not found"):R(y,"In page link #"+i+" not found")}(t(9));break;case"reset":j(b);break;case"init":e(),d("onInit",b.iframe);break;default:e()}}())):T(y,"Ignored: "+p)}function W(e,n,i){var t=null,o=null;if(M[e]){if("function"!=typeof(t=M[e][n]))throw new TypeError(n+" on iFrame["+e+"] is not a function");o=t(i)}return o}function b(e){var n=e.id;delete M[n]}function C(e){var n=e.id;if(!1!==W(n,"onClose",n)){R(n,"Removing iFrame: "+n);try{e.parentNode&&e.parentNode.removeChild(e)}catch(e){E(e)}W(n,"onClosed",n),R(n,"--"),b(e)}else R(n,"Close iframe cancelled by onClose event")}function N(e){null===F&&R(e,"Get page position: "+(F={x:window.pageXOffset!==l?window.pageXOffset:document.documentElement.scrollLeft,y:window.pageYOffset!==l?window.pageYOffset:document.documentElement.scrollTop}).x+","+F.y)}function S(e){null!==F&&(window.scrollTo(F.x,F.y),R(e,"Set page position: "+F.x+","+F.y),H())}function H(){F=null}function j(e){R(e.id,"Size reset requested by "+("init"===e.type?"host page":"iFrame")),N(e.id),A(function(){P(e),B("reset","reset",e.iframe,e.id)},e,"reset")}function P(n){function i(e){o||"0"!==n[e]||(o=!0,R(t,"Hidden iFrame detected, creating visibility listener"),function(){function n(){Object.keys(M).forEach(function(e){!function(n){function e(e){return"0px"===(M[n]&&M[n].iframe.style[e])}M[n]&&null!==M[n].iframe.offsetParent&&(e("height")||e("width"))&&B("Visibility change","resize",M[n].iframe,n)}(e)})}function i(e){R("window","Mutation observed: "+e[0].target+" "+e[0].type),c(n,16)}var t=p();t&&function(){var e=document.querySelector("body");new t(i).observe(e,{attributes:!0,attributeOldValue:!1,characterData:!0,characterDataOldValue:!1,childList:!0,subtree:!0})}()}())}function e(e){!function(e){n.id?(n.iframe.style[e]=n[e]+"px",R(n.id,"IFrame ("+t+") "+e+" set to "+n[e]+"px")):R("undefined","messageData id not set")}(e),i(e)}var t=n.iframe.id;M[t]&&(M[t].sizeHeight&&e("height"),M[t].sizeWidth&&e("width"))}function A(e,n,i){i!==n.type&&r&&!window.jasmine?(R(n.id,"Requesting animation frame"),r(e)):e()}function B(e,n,i,t,o){var r,a=!1;t=t||i.id,M[t]&&(i&&"contentWindow"in i&&null!==i.contentWindow?(r=M[t]&&M[t].targetOrigin,R(t,"["+e+"] Sending msg to iframe["+t+"] ("+n+") targetOrigin: "+r),i.contentWindow.postMessage(I+n,r)):E(t,"["+e+"] IFrame("+t+") not found"),o&&M[t]&&M[t].warningTimeout&&(M[t].msgTimeout=setTimeout(function(){!M[t]||M[t].loaded||a||(a=!0,E(t,"IFrame has not responded within "+M[t].warningTimeout/1e3+" seconds. Check iFrameResizer.contentWindow.js has been loaded in iFrame. This message can be ignored if everything is working, or you can set the warningTimeout option to a higher value or zero to suppress this warning."))},M[t].warningTimeout)))}function L(e){return e+":"+M[e].bodyMarginV1+":"+M[e].sizeWidth+":"+M[e].log+":"+M[e].interval+":"+M[e].enablePublicMethods+":"+M[e].autoResize+":"+M[e].bodyMargin+":"+M[e].heightCalculationMethod+":"+M[e].bodyBackground+":"+M[e].bodyPadding+":"+M[e].tolerance+":"+M[e].inPageLinks+":"+M[e].resizeFrom+":"+M[e].widthCalculationMethod}function d(i,e){function n(e){var n=e.split("Callback");if(2===n.length){var i="on"+n[0].charAt(0).toUpperCase()+n[0].slice(1);this[i]=this[e],delete this[e],E(c,"Deprecated: '"+e+"' has been renamed '"+i+"'. The old method will be removed in the next major version.")}}var t,o,r,a,s,d,c=(""===(o=i.id)&&(i.id=(t=e&&e.id||w.id+m++,null!==document.getElementById(t)&&(t+=m++),o=t),g=(e||{}).log,R(o,"Added missing iframe ID: "+o+" ("+i.src+")")),o);function u(e){1/0!==M[c][e]&&0!==M[c][e]&&(i.style[e]=M[c][e]+"px",R(c,"Set "+e+" = "+M[c][e]+"px"))}function f(e){if(M[c]["min"+e]>M[c]["max"+e])throw new Error("Value for min"+e+" can not be greater than max"+e)}c in M&&"iFrameResizer"in i?E(c,"Ignored iFrame, already setup."):(d=(d=e)||{},M[c]={firstRun:!0,iframe:i,remoteHost:i.src&&i.src.split("/").slice(0,3).join("/")},function(e){if("object"!=typeof e)throw new TypeError("Options is not an object")}(d),Object.keys(d).forEach(n,d),function(e){for(var n in w)Object.prototype.hasOwnProperty.call(w,n)&&(M[c][n]=Object.prototype.hasOwnProperty.call(e,n)?e[n]:w[n])}(d),M[c]&&(M[c].targetOrigin=!0===M[c].checkOrigin?function(e){return""===e||"file://"===e?"*":e}(M[c].remoteHost):"*"),function(){switch(R(c,"IFrame scrolling "+(M[c]&&M[c].scrolling?"enabled":"disabled")+" for "+c),i.style.overflow=!1===(M[c]&&M[c].scrolling)?"hidden":"auto",M[c]&&M[c].scrolling){case"omit":break;case!0:i.scrolling="yes";break;case!1:i.scrolling="no";break;default:i.scrolling=M[c]?M[c].scrolling:"no"}}(),f("Height"),f("Width"),u("maxHeight"),u("minHeight"),u("maxWidth"),u("minWidth"),"number"!=typeof(M[c]&&M[c].bodyMargin)&&"0"!==(M[c]&&M[c].bodyMargin)||(M[c].bodyMarginV1=M[c].bodyMargin,M[c].bodyMargin=M[c].bodyMargin+"px"),r=L(c),(s=p())&&(a=s,i.parentNode&&new a(function(e){e.forEach(function(e){Array.prototype.slice.call(e.removedNodes).forEach(function(e){e===i&&C(i)})})}).observe(i.parentNode,{childList:!0})),k(i,"load",function(){B("iFrame.onload",r,i,l,!0),function(){var e=M[c]&&M[c].firstRun,n=M[c]&&M[c].heightCalculationMethod in h;!e&&n&&j({iframe:i,height:0,width:0,type:"init"})}()}),B("init",r,i,l,!0),M[c]&&(M[c].iframe.iFrameResizer={close:C.bind(null,M[c].iframe),removeListeners:b.bind(null,M[c].iframe),resize:B.bind(null,"Window resize","resize",M[c].iframe),moveToAnchor:function(e){B("Move to anchor","moveToAnchor:"+e,M[c].iframe,c)},sendMessage:function(e){B("Send Message","message:"+(e=JSON.stringify(e)),M[c].iframe,c)}}))}function c(e,n){null===i&&(i=setTimeout(function(){i=null,e()},n))}function u(){"hidden"!==document.visibilityState&&(R("document","Trigger event: Visiblity change"),c(function(){f("Tab Visable","resize")},16))}function f(n,i){Object.keys(M).forEach(function(e){!function(e){return M[e]&&"parent"===M[e].resizeFrom&&M[e].autoResize&&!M[e].firstRun}(e)||B(n,i,M[e].iframe,e)})}function y(){k(window,"message",n),k(window,"resize",function(){!function(e){R("window","Trigger event: "+e),c(function(){f("Window "+e,"resize")},16)}("resize")}),k(document,"visibilitychange",u),k(document,"-webkit-visibilitychange",u)}function q(){function i(e,n){n&&(function(){if(!n.tagName)throw new TypeError("Object is not a valid DOM element");if("IFRAME"!==n.tagName.toUpperCase())throw new TypeError("Expected <IFRAME> tag, found <"+n.tagName+">")}(),d(n,e),t.push(n))}var t;return function(){var e,n=["moz","webkit","o","ms"];for(e=0;e<n.length&&!r;e+=1)r=window[n[e]+"RequestAnimationFrame"];r||R("setup","RequestAnimationFrame not supported")}(),y(),function(e,n){switch(t=[],function(e){e&&e.enablePublicMethods&&E("enablePublicMethods option has been removed, public methods are now always available in the iFrame")}(e),typeof n){case"undefined":case"string":Array.prototype.forEach.call(document.querySelectorAll(n||"iframe"),i.bind(l,e));break;case"object":i(e,n);break;default:throw new TypeError("Unexpected data type ("+typeof n+")")}return t}}}();
//# sourceMappingURL=iframeResizer.map