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amp-bind-0.1.js

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  1. (self.AMP=self.AMP||[]).push({n:"amp-bind",v:"1528391646530",f:(function(AMP){var x;function ca(a,b){function c(){}c.prototype=b.prototype;a.prototype=new c;a.prototype.constructor=a;for(var d in b)if(Object.defineProperties){var e=Object.getOwnPropertyDescriptor(b,d);e&&Object.defineProperty(a,d,e)}else a[d]=b[d]}var da=function(a){return"undefined"!=typeof window&&window===a?a:"undefined"!=typeof global&&null!=global?global:a}(this);function ea(a,b){b=void 0===b?"":b;try{return decodeURIComponent(a)}catch(c){return b}};var fa=/(?:^[#?]?|&)([^=&]+)(?:=([^&]*))?/g;function pa(a){var b=Object.create(null);if(!a)return b;for(var c;c=fa.exec(a);){var d=ea(c[1],c[1]),e=c[2]?ea(c[2],c[2]):"";b[d]=e}return b};var qa="";function va(){var a,b=a||self,c;if(b.AMP_MODE)c=b.AMP_MODE;else{c=b;var d=pa(c.location.originalHash||c.location.hash),e=pa(c.location.search);qa||(qa=c.AMP_CONFIG&&c.AMP_CONFIG.v?c.AMP_CONFIG.v:"011528391646530");c=b.AMP_MODE={localDev:!1,development:!("1"!=d.development&&!c.AMP_DEV_MODE),examiner:"2"==d.development,filter:d.filter,geoOverride:d["amp-geo"],minified:!0,lite:void 0!=e.amp_lite,test:!1,log:d.log,version:"1528391646530",rtvVersion:qa}}return c};var wa=Object.prototype.toString;function xa(a){if(!a)return[];for(var b=Array(a.length),c=0;c<a.length;c++)b[c]=a[c];return b}function ya(a){return"[object Object]"===wa.call(a)};function Aa(a){var b=a.message,c=String(Math.random());a.message=c;if(a.message===c)return a.message=b,a;var b=Error(a.message),d;for(d in a)b[d]=a[d];b.stack=a.stack;return b}function Ba(a){for(var b=null,c="",d=0;d<arguments.length;d++){var e=arguments[d];e instanceof Error&&!b?b=Aa(e):(c&&(c+=" "),c+=e)}b?c&&(b.message=c+": "+b.message):b=Error(c);return b}function Ca(a){var b=Ba.apply(null,arguments);setTimeout(function(){self.reportError(b);throw b;})}self.log=self.log||{user:null,dev:null,userForEmbed:null};
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  45. 9:c,10:Q,11:8,12:9,13:d,14:e,15:f,29:g,36:76,38:k,40:14,41:15,42:16,43:h,44:l,45:p,46:n,47:r,48:v},a(B,[2,53]),{35:[1,78],49:[1,77]},a(ka,[2,56]),{28:[1,79]},{28:[2,59]},{28:[2,60]},{4:80,6:4,7:5,8:6,9:c,11:8,12:9,13:d,14:e,15:f,29:g,38:k,40:14,41:15,42:16,43:h,44:l,45:p,46:n,47:r,48:v},a(B,[2,48]),{35:[1,82],39:[1,81]},a(ta,[2,51],{37:40,14:t,15:w,16:u,17:y,18:q,19:E,20:F,21:A,22:G,23:H,24:K,25:N,26:O,27:R,31:D,38:C}),a(la,[2,12],{37:40,16:u,17:y,18:q,31:D,38:C}),a(la,[2,13],{37:40,16:u,17:y,18:q,
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  52. 44:l,45:p,46:n,47:r,48:v},a(ua,[2,33]),a(ua,[2,32]),{10:[2,31],14:t,15:w,16:u,17:y,18:q,19:E,20:F,21:A,22:G,23:H,24:K,25:N,26:O,27:R,31:D,37:40,38:C}],defaultActions:{3:[2,2],24:[2,1],52:[2,59],53:[2,60],92:[2,61]},parseError:function ia(a,b){if(b.recoverable)this.trace(a);else throw a=Error(a),a.hash=b,a;},parse:function L(a){function b(a){d.length-=2*a;f.length-=a;m.length-=a}var c=this,d=[0],e=[],f=[null],m=[],u=this.table,g="",h=0,Rb=0,za=0,p=2,l=1,k=m.slice.call(arguments,1),n=Object.create(this.lexer),
  53. y={yy:{}},q;for(q in this.yy)Object.prototype.hasOwnProperty.call(this.yy,q)&&(y.yy[q]=this.yy[q]);n.setInput(a,y.yy);y.yy.lexer=n;y.yy.parser=this;"undefined"==typeof n.yylloc&&(n.yylloc={});var r=n.yylloc;m.push(r);var E=n.options&&n.options.ranges;this.parseError="function"===typeof y.yy.parseError?y.yy.parseError:Object.getPrototypeOf(this).parseError;var v=function(){var a;a=n.lex()||l;"number"!==typeof a&&(a=c.Ea[a]||a);return a};for(var A,t,F,w={},B,G,D,C;;){q=d[d.length-1];if(this.defaultActions[q])F=
  54. this.defaultActions[q];else{if(null===A||"undefined"==typeof A)A=v();F=u[q]&&u[q][A]}if("undefined"===typeof F||!F.length||!F[0]){var H="";C=[];for(B in u[q])this.U[B]&&B>p&&C.push("'"+this.U[B]+"'");H=n.showPosition?"Parse error on line "+(h+1)+":\n"+n.showPosition()+"\nExpecting "+C.join(", ")+", got '"+(this.U[A]||A)+"'":"Parse error on line "+(h+1)+": Unexpected "+(A==l?"end of input":"'"+(this.U[A]||A)+"'");this.parseError(H,{text:n.match,token:this.U[A]||A,line:n.yylineno,loc:r,expected:C})}if(F[0]instanceof
  55. Array&&1<F.length)throw Error("Parse Error: multiple actions possible at state: "+q+", token: "+A);switch(F[0]){case 1:d.push(A);f.push(n.yytext);m.push(n.yylloc);d.push(F[1]);A=null;t?(A=t,t=null):(Rb=n.yyleng,g=n.yytext,h=n.yylineno,r=n.yylloc,0<za&&za--);break;case 2:G=this.pa[F[1]][1];w.h=f[f.length-G];w.ha={first_line:m[m.length-(G||1)].first_line,last_line:m[m.length-1].last_line,first_column:m[m.length-(G||1)].first_column,last_column:m[m.length-1].last_column};E&&(w.ha.range=[m[m.length-(G||
  56. 1)].range[0],m[m.length-1].range[1]]);q=this.performAction.apply(w,[g,Rb,h,y.yy,F[1],f,m].concat(k));if("undefined"!==typeof q)return q;G&&(d=d.slice(0,-2*G),f=f.slice(0,-1*G),m=m.slice(0,-1*G));d.push(this.pa[F[1]][0]);f.push(w.h);m.push(w.ha);D=u[d[d.length-2]][d[d.length-1]];d.push(D);break;case 3:return!0}}}},oa=function(){return{EOF:1,parseError:function(a,b){if(this.yy.parser)this.yy.parser.parseError(a,b);else throw Error(a);},setInput:function(a,b){this.yy=b||this.yy||{};this._input=a;this._more=
  57. this._backtrack=this.done=!1;this.yylineno=this.yyleng=0;this.yytext=this.matched=this.match="";this.conditionStack=["INITIAL"];this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0};this.options.ranges&&(this.yylloc.range=[0,0]);this.offset=0;return this},input:function(){var a=this._input[0];this.yytext+=a;this.yyleng++;this.offset++;this.match+=a;this.matched+=a;var b=a.match(/(?:\r\n?|\n).*/g);b?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++;this.options.ranges&&
  58. this.yylloc.range[1]++;this._input=this._input.slice(1);return a},unput:function(a){var b=a.length,c=a.split(/(?:\r\n?|\n)/g);this._input=a+this._input;this.yytext=this.yytext.substr(0,this.yytext.length-b);this.offset-=b;var d=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1);this.matched=this.matched.substr(0,this.matched.length-1);c.length-1&&(this.yylineno-=c.length-1);a=this.yylloc.range;this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+
  59. 1,first_column:this.yylloc.first_column,last_column:c?(c.length===d.length?this.yylloc.first_column:0)+d[d.length-c.length].length-c[0].length:this.yylloc.first_column-b};this.options.ranges&&(this.yylloc.range=[a[0],a[0]+this.yyleng-b]);this.yyleng=this.yytext.length;return this},more:function(){this._more=!0;return this},reject:function(){if(this.options.backtrack_lexer)this._backtrack=!0;else return this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+
  60. this.showPosition(),{text:"",token:null,line:this.yylineno});return this},less:function(a){this.unput(this.match.slice(a))},pastInput:function(){var a=this.matched.substr(0,this.matched.length-this.match.length);return(20<a.length?"...":"")+a.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var a=this.match;20>a.length&&(a+=this._input.substr(0,20-a.length));return(a.substr(0,20)+(20<a.length?"...":"")).replace(/\n/g,"")},showPosition:function(){var a=this.pastInput(),b=Array(a.length+1).join("-");
  61. return a+this.upcomingInput()+"\n"+b+"^"},test_match:function(a,b){var c,d;this.options.backtrack_lexer&&(d={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&
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  68. /^(?:\{)/,/^(?:\})/,/^(?:\()/,/^(?:\))/,/^(?:,)/,/^(?:\.)/,/^(?:.)/,/^(?:$)/],conditions:{INITIAL:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34],inclusive:!0}}}}();na.lexer=oa;b.prototype=na;na.Parser=b;return new b})();var kc=/(\S+)(?:\s+(?:(-?\d+(?:\.\d+)?)([a-zA-Z]*)))?\s*(?:,|$)/g;function lc(a){for(var b=[],c;c=kc.exec(a);){var d=c[1],e=void 0,f;if(c[2]){var g=c[3].toLowerCase();if("w"==g)e=parseInt(c[2],10);else if("x"==g)f=parseFloat(c[2]);else continue}else f=1;b.push({url:d,width:e,dpr:f})}return new mc(b)}
  69. function mc(a){z().assert(0<a.length,"Srcset must have at least one source");this.S=a;for(var b=!1,c=!1,d=0;d<a.length;d++)var e=a[d],b=b||!!e.width,c=c||!!e.dpr;z().assert(!!(b^c),"Srcset must have width or dpr sources, but not both");a.sort(b?nc:oc);this.ta=b}
  70. mc.prototype.select=function(a,b){if(this.ta){b*=a;a=this.S;for(var c=0,d=Infinity,e=Infinity,f=0;f<a.length;f++){var g=a[f].width,k=Math.abs(g-b);if(k<=1.1*d||1.2<b/e)c=f,d=k,e=g;else break}}else for(a=this.S,c=0,d=Infinity,e=0;e<a.length;e++)if(f=Math.abs(a[e].dpr-b),f<=d)c=e,d=f;else break;b=c;return this.S[b].url};mc.prototype.getUrls=function(){return this.S.map(function(a){return a.url})};
  71. mc.prototype.stringify=function(a){for(var b=[],c=this.S,d=0;d<c.length;d++){var e=c[d],f=e.url;a&&(f=a(f));f=this.ta?f+(" "+e.width+"w"):f+(" "+e.dpr+"x");b.push(f)}return b.join(", ")};function nc(a,b){z().assert(a.width!=b.width,"Duplicate width: %s",a.width);return a.width-b.width}function oc(a,b){z().assert(a.dpr!=b.dpr,"Duplicate dpr: %s",a.dpr);return a.dpr-b.dpr};var pc={"class":{blacklistedValueRegex:"(^|\\W)i-amphtml-"},hidden:null,text:null},qc={width:null,height:null},rc={"AMP-BRIGHTCOVE":{"data-account":null,"data-embed":null,"data-player":null,"data-player-id":null,"data-playlist-id":null,"data-video-id":null},"AMP-CAROUSEL":{slide:null},"AMP-IFRAME":{src:null},"AMP-IMG":{alt:null,attribution:null,src:{allowedProtocols:{data:!0,http:!0,https:!0}},srcset:{alternativeName:"src"}},"AMP-LIST":{src:{allowedProtocols:{https:!0}},state:null},"AMP-SELECTOR":{disabled:null,
  72. selected:null},"AMP-STATE":{src:{allowedProtocols:{https:!0}}},"AMP-VIDEO":{alt:null,attribution:null,controls:null,loop:null,poster:null,preload:null,src:{allowedProtocols:{https:!0}}},"AMP-YOUTUBE":{"data-videoid":null},A:{href:{allowedProtocols:{ftp:!0,http:!0,https:!0,mailto:!0,"fb-messenger":!0,intent:!0,skype:!0,sms:!0,snapchat:!0,tel:!0,tg:!0,threema:!0,twitter:!0,viber:!0,whatsapp:!0}}},BUTTON:{disabled:null,type:null,value:null},FIELDSET:{disabled:null},INPUT:{accept:null,accesskey:null,
  73. autocomplete:null,checked:null,disabled:null,height:null,inputmode:null,max:null,maxlength:null,min:null,minlength:null,multiple:null,pattern:null,placeholder:null,readonly:null,required:null,selectiondirection:null,size:null,spellcheck:null,step:null,type:{blacklistedValueRegex:"(^|\\s)(button|image|)(\\s|$)"},value:null,width:null},OPTION:{disabled:null,label:null,selected:null,value:null},OPTGROUP:{disabled:null,label:null},SELECT:{autofocus:null,disabled:null,multiple:null,required:null,size:null},
  74. SOURCE:{src:{allowedProtocols:{https:!0}},type:null},TRACK:{label:null,src:{allowedProtocols:{https:!0}},srclang:null},TEXTAREA:{autocomplete:null,autofocus:null,cols:null,disabled:null,maxlength:null,minlength:null,placeholder:null,readonly:null,required:null,rows:null,selectiondirection:null,selectionend:null,selectionstart:null,spellcheck:null,wrap:null}},sc={src:!0,srcset:!0,href:!0};function tc(){}tc.prototype.canBind=function(a,b){return void 0!==uc(a,b)};
  75. tc.prototype.isResultValid=function(a,b,c){var d=uc(a,b);d&&d.alternativeName&&(d=uc(a,d.alternativeName));if(void 0===d)return!1;if(null===d)return!0;if(c&&Ia(sc,b)){var e;if("srcset"===b){var f;try{f=lc(c)}catch(l){return z().error("amp-bind","Failed to parse srcset: ",l),!1}e=f.getUrls()}else e=[c];for(a=0;a<e.length;a++){a:{var g=e[a];if((b=d.allowedProtocols)&&g&&(g=/^([^:\/?#.]+):[\s\S]*$/.exec(g),null!==g&&(g=g[1].toLowerCase().trim(),!b.hasOwnProperty(g)))){b=!1;break a}b=!0}if(!b)return!1}}var k=
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  153. T=/^#x([0-9A-Fa-f]+)$/,ja=/^[A-Za-z][A-Za-z0-9]+$/,S="undefined"!==typeof window&&window.document?window.document.createElement("textarea"):null,X=/\0/g,Q=/&(#[0-9]+|#[xX][0-9A-Fa-f]+|\w+);/g,ka=/^(#[0-9]+|#[xX][0-9A-Fa-f]+|\w+);/,ta=/&/g,la=/&([^a-z#]|#(?:[^0-9x]|x(?:[^0-9a-f]|$)|$)|$)/gi,aa=/[<]/g,ga=/>/g,ua=/\"/g,na=/^\s*(\[[-.:\w]+\]|[-.:\w]+)(?:\s*(=)\s*((")[^"]*("|$)|(')[^']*('|$)|(?=[a-z][-\w]*\s*=)|[^"'\s]*))?/i,oa=3==="a,b".split(/(,)/).length,ra=a.eflags.CDATA|a.eflags.RCDATA,P={},ha={},
  154. ia=/^(?:https?|geo|mailto|sms|tel)$/i,L={};L.escapeAttrib=L.escapeAttrib=f;L.makeHtmlSanitizer=L.makeHtmlSanitizer=u;L.makeSaxParser=L.makeSaxParser=k;L.makeTagPolicy=L.makeTagPolicy=K;L.normalizeRCData=L.normalizeRCData=g;L.sanitize=L.sanitize=O;L.sanitizeAttribs=L.sanitizeAttribs=H;L.sanitizeWithPolicy=L.sanitizeWithPolicy=N;L.unescapeEntities=L.unescapeEntities=e;return L})(Z);Ha({applet:!0,audio:!0,base:!0,embed:!0,frame:!0,frameset:!0,iframe:!0,img:!0,link:!0,meta:!0,object:!0,script:!0,style:!0,video:!0});Ha({br:!0,col:!0,hr:!0,img:!0,input:!0,source:!0,track:!0,wbr:!0,area:!0,base:!0,command:!0,embed:!0,keygen:!0,link:!0,meta:!0,param:!0});Ha({a:["rel","target"],div:["template"],form:["action-xhr","custom-validation-reporting","target"],template:["type"]});Ha({input:{type:/(?:image|button)/i}});var kd="form formaction formmethod formtarget formnovalidate formenctype".split(" ");
  155. Ha({input:kd,textarea:kd,select:kd});function ld(a,b,c){var d=self.location;ab(c);var e=Ya(d),f=J(Za(d));if("href"==b&&!I(c,"#"))return $a(c,f);if("src"==b)return"amp-img"==a?md(c,f,e):$a(c,f);if("srcset"==b){var g;try{g=lc(c)}catch(k){return z().error("sanitizer","Failed to parse srcset: ",k),c}return g.stringify(function(a){return md(a,f,e)})}return c}
  156. function md(a,b,c){a=J($a(a,b));return"data:"==a.protocol||Ya(a)||!c?a.href:La+"/i/"+("https:"==a.protocol?"s/":"")+encodeURIComponent(a.host)+a.pathname+(a.search||"")+(a.hash||"")};var nd=/^(i?-)?amp(html)?-/,od=Ga({"AMP-CAROUSEL":["slide"],"AMP-LIST":["state"],"AMP-SELECTOR":["selected"]});
  157. function pd(a,b){var c=this;this.ampdoc=a;this.o=a.win;this.da=b||a.win;this.$=[];this.za=bc(this.o,function(){c.$.length=0});this.M=[];this.va=this.Aa.bind(this);this.N=Ga();this.la=M(a,"history");this.oa=[];this.ea=1E3;this.qa=M(a,"resources");this.O=Ga();this.Fa=jb(this.o,"timer");this.Ga=new tc;this.F=M(this.ampdoc,"viewer");this.F.onMessageRespond("premutate",this.Ba.bind(this));var d=b?rb(b.document).then(function(){return b.document.body}):a.whenBodyAvailable();this.W=this.F.whenFirstVisible().then(function(){return d}).then(function(d){var e=
  158. b?b.document.head:a.getHeadNode();return c.ba(d,e&&sb(e))});this.Y=null;this.ra=new ac;AMP.printState=this.Ca.bind(this)}x=pd.prototype;x.adoptEmbedWindow=function(a){eb(a,new pd(this.ampdoc,a))};x.signals=function(){return this.ra};x.setState=function(a,b,c){var d=this;try{Ja(this.O,a)}catch(e){z().error("amp-bind","Failed to merge result from AMP.setState().",e)}return b?Promise.resolve():this.Y=this.W.then(function(){return qd(d)}).then(function(a){return rd(d,a,c)})};
  159. x.invoke=function(a){var b=a,c=b.args,d=b.event,e=b.method,f=b.sequenceId,g=b.tagOrTarget;if(this.$.includes(f))return z().error("amp-bind","One state action allowed per event."),Promise.resolve();this.$.push(f);this.za();if(b=c.__AMP_OBJECT_STRING__)switch(this.ra.signal("FIRST_MUTATE"),c={},d&&d.detail&&(c.event=d.detail),e){case "setState":return this.setStateWithExpression(b,c);case "pushState":return this.pushStateWithExpression(b,c);default:return Promise.reject(Ea().createError("Unrecognized method: "+
  160. ('"'+g+"."+e+'"')))}else z().error("AMP-BIND","Please use the object-literal syntax, e.g. \"AMP.setState({foo: 'bar'})\" instead of \"AMP.setState(foo='bar')\".");return Promise.resolve()};x.setStateWithExpression=function(a,b){var c=this;return this.Y=sd(this,a,b).then(function(a){return c.setState(a)})};
  161. x.pushStateWithExpression=function(a,b){var c=this;return sd(this,a,b).then(function(a){function b(){return c.setState(d)}var d=Ga();Object.keys(a).forEach(function(a){var b;a:{var e=c.O[a];if(void 0!==e)try{b=JSON.parse(JSON.stringify(e));break a}catch(l){Ea().error("amp-bind","Failed to copy JSON ("+e+") with error: "+l)}b=null}d[a]=b});c.la.push(b);return c.setState(a)})};
  162. x.scanAndApply=function(a,b,c){c=void 0===c?2E3:c;var d=this,e=td(this,b).then(function(){return ud(d,a)}).then(function(b){if(0<b)return qd(d).then(function(b){return vd(d,b,a)})});return this.Fa.timeoutPromise(c,e,"Timed out waiting for amp-bind to process rendered template.")};x.getStateValue=function(a){a=Ab(this.O,a);return ya(a)||Array.isArray(a)?JSON.stringify(a):String(a)};
  163. x.ba=function(a,b){var c=this,d=[a];b&&d.push(b);d=Promise.all([wd(this),ud(this,d)]).then(function(){a.addEventListener("amp:dom-update",c.va)});va().development&&(d=d.then(function(){return qd(c).then(function(a){return xd(c,a)})}));return d};x.numberOfBindings=function(){return this.M.reduce(function(a,b){return a+b.boundProperties.length},0)};x.Ma=function(a){this.ea=a};x.Ka=function(){return this.la};
  164. x.Ba=function(a){var b=this,c=[];return this.W.then(function(){Object.keys(a.state).forEach(function(d){b.oa.includes(d)||(delete a.state[d],c.push(d))});0<c.length&&z().warn("amp-bind","Some state keys could not be premutated because they are missing the overridable attribute: "+c.join(", "));return b.setState(a.state)})};x.makeStateKeyOverridable=function(a){this.oa.push(a)};
  165. function wd(a){var b=a.ampdoc.getBody().querySelectorAll("AMP-BIND-MACRO"),c=[];tb(b,function(a){var b=(a.getAttribute("arguments")||"").split(",").map(function(a){return a.trim()});c.push({id:a.getAttribute("id"),argumentNames:b,expressionString:a.getAttribute("expression")})});return 0==c.length?Promise.resolve(0):yd(a,"bind.addMacros",[c]).then(function(a){a.forEach(function(a,c){zd(a,"amp-bind: Parsing amp-bind-macro failed.",b[c])});return c.length})}
  166. function ud(a,b){var c=b.map(function(b){var c=a.ea-a.numberOfBindings();return Ad(a,b,c).then(function(b){var c=b.boundElements,d=b.bindings,e=b.expressionToElements,f=b.limitExceeded;a.M=a.M.concat(c);Object.assign(a.N,e);f&&Ea().expectedError("amp-bind","Maximum number of bindings reached "+("("+a.ea+"). Additional elements with ")+"bindings will be ignored.");return d})});return Promise.all(c).then(function(b){var c=Array.prototype.concat.apply([],b);return 0==c.length?c.length:yd(a,"bind.addBindings",
  167. [c]).then(function(b){Object.keys(b).forEach(function(c){var d=a.N[c];0<d.length&&zd(b[c],'amp-bind: Expression compile error in "'+c+'".',d[0])});return c.length})})}
  168. function td(a,b){va().development&&a.numberOfBindings();cc(a.M,function(a){for(var c=0;c<b.length;c++)if(b[c].contains(a.element))return!1;return!0});va().development&&a.numberOfBindings();var c=[],d;for(d in a.N){var e=a.N[d];cc(e,function(a){for(var c=0;c<b.length;c++)if(b[c].contains(a))return!1;return!0});0==e.length&&(c.push(d),delete a.N[d])}return 0<c.length?yd(a,"bind.removeBindingsWithExpressionStrings",[c]):Promise.resolve()}
  169. function Ad(a,b,c){function d(){var b=k.currentNode;if(!b)return!0;var d=b.tagName,n=Bd(a,b);f.length+n.length>c&&(n=n.slice(0,c-f.length),h=!0);0<n.length&&e.push({element:b,boundProperties:n});n.forEach(function(a){var c=a,e=c.expressionString;f.push({tagName:d,property:c.property,expressionString:e});g[e]||(g[e]=[]);g[e].push(b)});return!k.nextNode()||h}var e=[],f=[],g=Ga(),k=b.ownerDocument.createTreeWalker(b,NodeFilter.SHOW_ELEMENT,null,!1),h=!1;return new Promise(function(b){function c(k){var l=
  170. !1;if(k&&!k.didTimeout)for(;1<k.timeRemaining()&&!l;)l=d();else{var p=250;for(k=0;k<p&&!l;k++)l=d()}l?b({boundElements:e,bindings:f,expressionToElements:g,limitExceeded:h}):yc(a.ampdoc,c)}yc(a.ampdoc,c)})}
  171. function Bd(a,b){for(var c=[],d=b.attributes,e=0,f=d.length;e<f;e++){var g;a:{var k=void 0,h=a,l=d[e];g=b;var p=g.tagName,n=l.name;if(2<n.length&&"["===n[0]&&"]"===n[n.length-1])k=n.substr(1,n.length-2);else if(I(n,"data-amp-bind-")&&(k=n.substr(14),g.hasAttribute("["+k+"]"))){g=null;break a}if(k){if(h.Ga.canBind(p,k)){g={property:k,expressionString:l.value};break a}k=z().createError("amp-bind: Binding to ["+k+"] on <"+p+"> is not allowed.");Vb(k,g)}g=null}g&&c.push(g)}return c}
  172. function sd(a,b,c){return a.W.then(function(){Object.assign(c,a.O);return yd(a,"bind.evaluateExpression",[b,c])}).then(function(a){var b=a.result;if(a=a.error)throw zd(a,"amp-bind: Expression eval failed.");return b})}
  173. function qd(a){var b=yd(a,"bind.evaluateBindings",[a.O]);return b.then(function(b){var c=b.results,e=b.errors;Object.keys(e).forEach(function(b){var c=a.N[b];if(0<c.length){var d=e[b],f=z().createError('amp-bind: Expression evaluation error in "'+b+'". '+d.message);f.stack=d.stack;Vb(f,c[0])}});return c})}
  174. function xd(a,b){a.M.forEach(function(a){var c=a.element;a.boundProperties.forEach(function(a){var d=b[a.expressionString];if(void 0!==d){var e=a.property;a=a.expressionString;var k=c.tagName,h=od[k];if(!h||!h.includes(e)){switch(e){case "text":h=c.textContent;d=String(d);h=h.trim()===d.trim();break;case "class":for(var h=[],l=0;l<c.classList.length;l++){var p=c.classList[l];nd.test(p)||h.push(p)}l=[];Array.isArray(d)?l=d:"string"===typeof d?(p=d.trim(),0<p.length&&(l=p.split(" "))):(p=z().createError('amp-bind: "'+
  175. d+'" is not a valid result for [class].'),Vb(p,c));a:if(p=l,h.length!==p.length)h=!1;else{for(var l=(Array.isArray(h)?h:xa(h)).sort(),p=(Array.isArray(p)?p:xa(p)).sort(),n=0;n<h.length;n++)if(l[n]!==p[n]){h=!1;break a}h=!0}break;default:h=c.getAttribute(e),h=!0===d?""===h:!1===d?null===h:h===d}h||z().warn("amp-bind","Default value for <"+k+" ["+e+']="'+a+'"> '+("does not match first result ("+d+"). We recommend ")+"writing expressions with matching default values, but this can be safely ignored if intentional.")}}})})}
  176. function Cd(a,b){var c=[];a.forEach(function(a){var d=a.previousResult,f=b[a.expressionString];void 0===f||Cb(f,d,5)||(a.previousResult=f,c.push({boundProperty:a,newValue:f}))});return c}function rd(a,b,c){var d=a.M.map(function(d){return c&&"AMP-STATE"==d.element.tagName?Promise.resolve():Dd(a,b,d)});return Promise.all(d)}function vd(a,b,c){var d=[];a.M.forEach(function(e){c.forEach(function(c){c.contains(e.element)&&d.push(Dd(a,b,e))})});return Promise.all(d)}
  177. function Dd(a,b,c){var d=c.element,e=Cd(c.boundProperties,b);return 0===e.length?Promise.resolve():a.qa.mutateElement(d,function(){var b={},c,k;e.forEach(function(e){var f=e,h=f.boundProperty,f=f.newValue,g;a:{g=h.property;var l=d.tagName;switch(g){case "text":d.textContent=String(f);"TITLE"===l&&d.parentNode===a.da.document.head&&(a.da.document.title=String(f));"TEXTAREA"==l&&(d.value=String(f));break;case "class":g=[];for(var t=0;t<d.classList.length;t++)l=d.classList[t],nd.test(l)&&g.push(l);Array.isArray(f)||
  178. "string"===typeof f?d.setAttribute("class",g.concat(f).join(" ")):null===f?d.setAttribute("class",g.join(" ")):(g=z().createError('amp-bind: "'+f+'" is not a valid result for [class].'),Vb(g,d));break;default:var l="INPUT"==l&&g in d,w=d.getAttribute(g),u=!1;if("boolean"===typeof f)l&&d[g]!==f&&(d[g]=f,u=!0),f&&""!==w?(d.setAttribute(g,""),u=!0):f||null===w||(d.removeAttribute(g),u=!0);else if(f!==w){w=String(f);try{var y=d.tagName.toLowerCase(),q=g.toLowerCase(),E=y.toLowerCase(),F=q.toLowerCase(),
  179. A="src"==F||"href"==F||"srcset"==F?ld(E,F,w):w;if(Ya(self.location)&&"a"===y&&"href"===q){var G=d.getAttribute(q),H="#"===A[0],K=G&&"#"===G[0];H&&!K?(d.__AMP_ORIGINAL_TARGET_VALUE_||(d.__AMP_ORIGINAL_TARGET_VALUE_=d.getAttribute("target")),d.removeAttribute("target")):K&&!H&&d.setAttribute("target",d.__AMP_ORIGINAL_TARGET_VALUE_||"_top")}d.setAttribute(q,A);t=A}catch(O){y=z().createError('amp-bind: "'+w+'" is not a '+("valid result for ["+g+"]"),O),Vb(y,d)}t&&(l&&(d[g]=t),u=!0)}if(u){g={name:g,value:f};
  180. break a}}g=null}var N=g;N&&(b[N.name]=N.value,h=h.property,"width"==h?c="number"===typeof f&&isFinite(f)?Number(f):c:"height"==h&&(k="number"===typeof f&&isFinite(f)?Number(f):k))});void 0===c&&void 0===k||a.qa.changeSize(d,k,c);if("function"===typeof d.mutatedAttributesCallback)try{d.mutatedAttributesCallback(b)}catch(l){var h=z().createError("amp-bind: Applying expression "+("results ("+JSON.stringify(b)+") failed with error"),l);Vb(h,d)}})}
  181. x.Aa=function(a){var b=this,c=a.target;(a=c.parentNode)&&"AMP-LIST"==a.tagName?Ea().info("amp-bind","Skipping DOM_UPDATE rescan of:",c):td(this,[c]).then(function(){return ud(b,[c])}).then(function(){})};function yd(a,b,c){var d=a.o;a=a.da;if(d.Worker){var e;e=fb(d);gb(e,e,"amp-worker",Jc);d=jb(d,"amp-worker");b=Kc(d,b,c||[],a)}else b=Promise.reject("Worker not supported in window.");return b}function zd(a,b,c){b=z().createError(b+" "+a.message);b.stack=a.stack;Vb(b,c);return b}
  182. x.Ca=function(){var a=[],b=JSON.stringify(this.O,function(b,d){if(ya(d)){if(a.includes(d))return"[Circular]";a.push(d)}return d});z().info("amp-bind",b)};x.La=function(){return this.W};x.Na=function(){return this.Y};(function(a){a.registerServiceForDoc("bind",pd);a.registerElement("amp-state",fc);a.registerElement("amp-bind-macro",dc)})(self.AMP);
  183. })});
  184. //# sourceMappingURL=amp-bind-0.1.js.map
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