1 line
9.3 KiB
JavaScript
Executable File
1 line
9.3 KiB
JavaScript
Executable File
!function(e,t){"function"==typeof define&&define.amd?define([],t):"object"==typeof exports&&"string"!=typeof exports.nodeName?module.exports=t():e.Instafeed=t()}(this,function(){function e(e,t){if(!e)throw new Error(t)}function t(t){e(!t||"object"==typeof t,"options must be an object, got "+t+" ("+typeof t+")");var o={accessToken:null,accessTokenTimeout:1e4,after:null,apiTimeout:1e4,before:null,debug:!1,error:null,filter:null,limit:null,mock:!1,render:null,sort:null,success:null,target:"instafeed",template:'<a href="{{link}}"><img title="{{caption}}" src="{{image}}" /></a>',templateBoundaries:["{{","}}"],transform:null};if(t)for(var n in o)void 0!==t[n]&&(o[n]=t[n]);e("string"==typeof o.target||"object"==typeof o.target,"target must be a string or DOM node, got "+o.target+" ("+typeof o.target+")"),e("string"==typeof o.accessToken||"function"==typeof o.accessToken,"accessToken must be a string or function, got "+o.accessToken+" ("+typeof o.accessToken+")"),e("number"==typeof o.accessTokenTimeout,"accessTokenTimeout must be a number, got "+o.accessTokenTimeout+" ("+typeof o.accessTokenTimeout+")"),e("number"==typeof o.apiTimeout,"apiTimeout must be a number, got "+o.apiTimeout+" ("+typeof o.apiTimeout+")"),e("boolean"==typeof o.debug,"debug must be true or false, got "+o.debug+" ("+typeof o.debug+")"),e("boolean"==typeof o.mock,"mock must be true or false, got "+o.mock+" ("+typeof o.mock+")"),e("object"==typeof o.templateBoundaries&&2===o.templateBoundaries.length&&"string"==typeof o.templateBoundaries[0]&&"string"==typeof o.templateBoundaries[1],"templateBoundaries must be an array of 2 strings, got "+o.templateBoundaries+" ("+typeof o.templateBoundaries+")"),e(!o.template||"string"==typeof o.template,"template must null or string, got "+o.template+" ("+typeof o.template+")"),e(!o.error||"function"==typeof o.error,"error must be null or function, got "+o.error+" ("+typeof o.error+")"),e(!o.before||"function"==typeof o.before,"before must be null or function, got "+o.before+" ("+typeof o.before+")"),e(!o.after||"function"==typeof o.after,"after must be null or function, got "+o.after+" ("+typeof o.after+")"),e(!o.success||"function"==typeof o.success,"success must be null or function, got "+o.success+" ("+typeof o.success+")"),e(!o.filter||"function"==typeof o.filter,"filter must be null or function, got "+o.filter+" ("+typeof o.filter+")"),e(!o.transform||"function"==typeof o.transform,"transform must be null or function, got "+o.transform+" ("+typeof o.transform+")"),e(!o.sort||"function"==typeof o.sort,"sort must be null or function, got "+o.sort+" ("+typeof o.sort+")"),e(!o.render||"function"==typeof o.render,"render must be null or function, got "+o.render+" ("+typeof o.render+")"),e(!o.limit||"number"==typeof o.limit,"limit must be null or number, got "+o.limit+" ("+typeof o.limit+")"),this._state={running:!1},this._options=o}return t.prototype.run=function(){var e=this,t=null,o=null,n=null,r=null;return this._debug("run","options",this._options),this._debug("run","state",this._state),this._state.running?(this._debug("run","already running, skipping"),!1):(this._start(),this._debug("run","getting dom node"),(t="string"==typeof this._options.target?document.getElementById(this._options.target):this._options.target)?(this._debug("run","got dom node",t),this._debug("run","getting access token"),this._getAccessToken(function(s,i){if(s)return e._debug("onTokenReceived","error",s),void e._fail(new Error("error getting access token: "+s.message));o="https://graph.instagram.com/me/media?fields=caption,id,media_type,media_url,permalink,thumbnail_url,timestamp,username&access_token="+i,e._debug("onTokenReceived","request url",o),e._makeApiRequest(o,function(o,s){if(o)return e._debug("onResponseReceived","error",o),void e._fail(new Error("api request error: "+o.message));e._debug("onResponseReceived","data",s),e._success(s);try{n=e._processData(s),e._debug("onResponseReceived","processed data",n)}catch(t){return void e._fail(t)}if(e._options.mock)e._debug("onResponseReceived","mock enabled, skipping render");else{try{r=e._renderData(n),e._debug("onResponseReceived","html content",r)}catch(t){return void e._fail(t)}t.innerHTML=r}e._finish()})}),!0):(this._fail(new Error("no element found with ID "+this._options.target)),!1))},t.prototype._processData=function(e){var t="function"==typeof this._options.transform,o="function"==typeof this._options.filter,n="function"==typeof this._options.sort,r="number"==typeof this._options.limit,s=[],i=null,a=null,u=null,c=null;if(this._debug("processData","hasFilter",o,"hasTransform",t,"hasSort",n,"hasLimit",r),"object"!=typeof e||"object"!=typeof e.data||e.data.length<=0)return null;for(var l=0;l<e.data.length;l++){if(a=this._getItemData(e.data[l]),t)try{u=this._options.transform(a),this._debug("processData","transformed item",a,u)}catch(e){throw this._debug("processData","error calling transform",e),new Error("error in transform: "+e.message)}else u=a;if(o){try{c=this._options.filter(u),this._debug("processData","filter item result",u,c)}catch(e){throw this._debug("processData","error calling filter",e),new Error("error in filter: "+e.message)}c&&s.push(u)}else s.push(u)}if(n)try{s.sort(this._options.sort)}catch(e){throw this._debug("processData","error calling sort",e),new Error("error in sort: "+e.message)}return r&&(i=s.length-this._options.limit,this._debug("processData","checking limit",s.length,this._options.limit,i),i>0&&s.splice(s.length-i,i)),s},t.prototype._extractTags=function(e){var t=/#([^\s]+)/gi,o=/[~`!@#$%^&*\(\)\-\+={}\[\]:;"'<>\?,\.\/|\\\s]+/i,n=[];if("string"==typeof e)for(;null!==(match=t.exec(e));)!1===o.test(match[1])&&n.push(match[1]);return n},t.prototype._getItemData=function(e){var t=null,o=null;switch(e.media_type){case"IMAGE":t="image",o=e.media_url;break;case"VIDEO":t="video",o=e.thumbnail_url;break;case"CAROUSEL_ALBUM":t="album",o=e.media_url}return{caption:e.caption,tags:this._extractTags(e.caption),id:e.id,image:o,link:e.permalink,model:e,timestamp:e.timestamp,type:t,username:e.username}},t.prototype._renderData=function(e){var t="string"==typeof this._options.template,o="function"==typeof this._options.render,n=null,r=null,s="";if(this._debug("renderData","hasTemplate",t,"hasRender",o),"object"!=typeof e||e.length<=0)return null;for(var i=0;i<e.length;i++){if(n=e[i],o)try{r=this._options.render(n,this._options),this._debug("renderData","custom render result",n,r)}catch(e){throw this._debug("renderData","error calling render",e),new Error("error in render: "+e.message)}else t&&(r=this._basicRender(n));r?s+=r:this._debug("renderData","render item did not return any content",n)}return s},t.prototype._basicRender=function(e){for(var t=new RegExp(this._options.templateBoundaries[0]+"([\\s\\w.]+)"+this._options.templateBoundaries[1],"gm"),o=this._options.template,n=null,r="",s=0,i=null,a=null;null!==(n=t.exec(o));)i=n[1],r+=o.slice(s,n.index),(a=this._valueForKeyPath(i,e))&&(r+=a.toString()),s=t.lastIndex;return s<o.length&&(r+=o.slice(s,o.length)),r},t.prototype._valueForKeyPath=function(e,t){for(var o=/([\w]+)/gm,n=null,r=t;null!==(n=o.exec(e));){if("object"!=typeof r)return null;r=r[n[1]]}return r},t.prototype._fail=function(e){!this._runHook("error",e)&&console&&"function"==typeof console.error&&console.error(e),this._state.running=!1},t.prototype._start=function(){this._state.running=!0,this._runHook("before")},t.prototype._finish=function(){this._runHook("after"),this._state.running=!1},t.prototype._success=function(e){this._runHook("success",e),this._state.running=!1},t.prototype._makeApiRequest=function(e,t){var o=!1,n=this,r=null,s=function(e,n){o||(o=!0,t(e,n))};(r=new XMLHttpRequest).ontimeout=function(e){s(new Error("api request timed out"))},r.onerror=function(e){s(new Error("api connection error"))},r.onload=function(e){var t=r.getResponseHeader("Content-Type"),o=null;if(n._debug("apiRequestOnLoad","loaded",e),n._debug("apiRequestOnLoad","response status",r.status),n._debug("apiRequestOnLoad","response content type",t),t.indexOf("application/json")>=0)try{o=JSON.parse(r.responseText)}catch(e){return n._debug("apiRequestOnLoad","json parsing error",e,r.responseText),void s(new Error("error parsing response json"))}200===r.status?s(null,o):o&&o.error?s(new Error(o.error.code+" "+o.error.message)):s(new Error("status code "+r.status))},r.open("GET",e,!0),r.timeout=this._options.apiTimeout,r.send()},t.prototype._getAccessToken=function(e){var t=!1,o=this,n=null,r=function(o,r){t||(t=!0,clearTimeout(n),e(o,r))};if("function"==typeof this._options.accessToken){this._debug("getAccessToken","calling accessToken as function"),n=setTimeout(function(){o._debug("getAccessToken","timeout check",t),r(new Error("accessToken timed out"),null)},this._options.accessTokenTimeout);try{this._options.accessToken(function(e,n){o._debug("getAccessToken","received accessToken callback",t,e,n),r(e,n)})}catch(e){this._debug("getAccessToken","error invoking the accessToken as function",e),r(e,null)}}else this._debug("getAccessToken","treating accessToken as static",typeof this._options.accessToken),r(null,this._options.accessToken)},t.prototype._debug=function(){var e=null;this._options.debug&&console&&"function"==typeof console.log&&((e=[].slice.call(arguments))[0]="[Instafeed] ["+e[0]+"]",console.log.apply(null,e))},t.prototype._runHook=function(e,t){var o=!1;if("function"==typeof this._options[e])try{this._options[e](t),o=!0}catch(t){this._debug("runHook","error calling hook",e,t)}return o},t}); |