smartdown/dist/lib/ldf-client-browser.js

A library for translating, rendering and interacting with Smartdown documents. Smartdown is an extension of Markdown that provides richer media support and reactive programming capability.

/*! For license information please see ldf-client-browser.js.LICENSE.txt */
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F&&(r.hostname=r.host=S?"":E.length?E.shift():"",(C=!!(r.host&&r.host.indexOf("@")>0)&&r.host.split("@"))&&(r.auth=C.shift(),r.host=r.hostname=C.shift())),(x=x||r.host&&E.length)&&!S&&E.unshift(""),E.length?r.pathname=E.join("/"):(r.pathname=null,r.path=null),i.isNull(r.pathname)&&i.isNull(r.search)||(r.path=(r.pathname?r.pathname:"")+(r.search?r.search:"")),r.auth=t.auth||r.auth,r.slashes=r.slashes||t.slashes,r.href=r.format(),r},s.prototype.parseHost=function(){var t=this.host,e=a.exec(t);e&&(":"!==(e=e[0])&&(this.port=e.substr(1)),t=t.substr(0,t.length-e.length)),t&&(this.hostname=t)}},{"./util":15,punycode:9,querystring:12}],15:[function(t,e,r){"use strict";e.exports={isString:function(t){return"string"==typeof t},isObject:function(t){return"object"==typeof t&&null!==t},isNull:function(t){return null===t},isNullOrUndefined:function(t){return null==t}}},{}],16:[function(t,e,r){arguments[4][2][0].apply(r,arguments)},{dup:2}],17:[function(t,e,r){arguments[4][3][0].apply(r,arguments)},{dup:3}],18:[function(t,e,r){arguments[4][4][0].apply(r,arguments)},{"./support/isBuffer":17,_process:8,dup:4,inherits:16}],19:[function(t,e,r){var n=t("events").EventEmitter,i=t("asynciterator"),s=t("parse-link-header"),o=t("lodash");t("setimmediate");var a=o.object(["accept-encoding","user-agent","referer"]),u=Object.create(null);function c(t){return t?t.replace(/\?.*$/,""):""}e.exports=function(t){u[c(t.url)]&&delete t.headers["accept-datetime"];var e=new XMLHttpRequest,r=t.headers;for(var o in e.open(t.method,t.url,!0),e.timeout=t.timeout,r)!(o in a)&&r[o]&&e.setRequestHeader(o,r[o]);var l=new n;return l.abort=function(){e.abort()},e.onload=function(){var n=i.single(e.responseText||"");n.statusCode=e.status;for(var o,a=n.headers={},f=e.getAllResponseHeaders()||"",h=/^([^:\n\r]+):[ 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h,p,d,_,y,g,b=1732584193,v=4023233417,m=2562383102,x=271733878,w=3285377520,E=new Array(80);for(e=0;e<l;e++){for(g=0;g<16;g++)E[g]=f[e][g];for(g=16;g<80;g++)E[g]=o(E[g-3]^E[g-8]^E[g-14]^E[g-16],1);for(h=b,p=v,d=m,_=x,y=w,g=0;g<80;g++){var F=~~(g/20),T=o(h,5)+s(F,p,d,_)+y+n[F]+E[g]&4294967295;y=_,_=d,d=o(p,30),p=h,h=T}b=b+h&4294967295,v=v+p&4294967295,m=m+d&4294967295,x=x+_&4294967295,w=w+y&4294967295}return a(b)+a(v)+a(m)+a(x)+a(w)}(t)}}};var n=[1518500249,1859775393,2400959708,3395469782],i=Math.pow(2,35);function s(t,e,r,n){switch(t){case 0:return e&r^~e&n;case 1:case 3:return e^r^n;case 2:return e&r^e&n^r&n}}function o(t,e){return t<<e|t>>>32-e}function a(t){for(var e="",r=7;r>=0;r--)e+=(t>>>4*r&15).toString(16);return e}},{}],21:[function(t,e,r){var n=t("./MetadataExtractor"),i=t("lodash");function s(t){if(!(this instanceof s))return new s(t);n.call(this),this._extractors=i.isArray(t)?{"":t}:t,i.any(this._extractors,"length")||(this._extractors=null)}n.inherits(s),s.prototype._extract=function(t,e,r){i.each(this._extractors||r(null,{})&&null,(function(n,s){var o,a=n.length;function u(t,e){t||(o=o?i.defaults(o,e):e),0==--a&&(s&&(e=o,(o={})[s]=e),r(null,o||{}))}i.each(n,(function(r){r.extract(t,e,u)}))}))},e.exports=s},{"./MetadataExtractor":24,lodash:49}],22:[function(t,e,r){var n=t("./MetadataExtractor"),i=t("uritemplate"),s=t("../util/RdfUtil"),o=t("assert"),a=["first","next","previous","last"],u={getFragmentUrl:function(t){throw new Error("The fragment "+this.fragment+" does not contain Triple Pattern Fragment hypermedia controls.")}};function c(){if(!(this instanceof c))return new c;n.call(this)}a.forEach((function(t){Object.defineProperty(u,t,{get:function(){throw new Error("The fragment "+this.fragment+" does not contain controls for "+t+".")}})})),n.inherits(c),c.prototype._extract=function(t,e,r){var n=Object.create(null);e.on("data",(function(t){if(0===t.predicate.indexOf(s.HYDRA)){var e=t.predicate.substr(s.HYDRA.length),r=n[e]||(n[e]={});(r[t.subject]||(r[t.subject]=[])).push(t.object)}})),e.on("end",(function(){var e=Object.create(u);e.fragment=t.fragmentUrl,a.forEach((function(t){var r=n[t]||n[t+"Page"],i=r&&r[e.fragment];i&&i.length>0&&Object.defineProperty(e,t,{value:i[0],enumerable:!0})}));var c=n.search;if(c){var l=c[Object.keys(c)[0]][0],f=(n.template||{})[l]||[];o(1===f.length,"Expected 1 hydra:template for "+l);var h=s.getLiteralValue(f[0]),p=i.parse(h),d=(n.mapping||{})[l]||[];o(d.length>=3,"Expected at least 3 hydra:mappings for "+l),d=d.reduce((function(t,e){var r=((n.variable||{})[e]||[])[0],i=((n.property||{})[e]||[])[0];return o(r,"Expected a hydra:variable for "+e),o(i,"Expected a hydra:property for "+e),t[i]=s.getLiteralValue(r),t}),{}),e.getFragmentUrl=function(t){var e={};return e[d[s.RDF_SUBJECT]]=t.subject,e[d[s.RDF_PREDICATE]]=t.predicate,e[d[s.RDF_OBJECT]]=t.object,p.expand(e)}}r(null,e)}))},e.exports=c},{"../util/RdfUtil":39,"./MetadataExtractor":24,assert:1,uritemplate:66}],23:[function(t,e,r){var n=t("./MetadataExtractor"),i=t("../util/RdfUtil"),s=a([i.VOID_TRIPLES,i.HYDRA_TOTALITEMS]);function o(t){if(!(this instanceof o))return new o(t);n.call(this),this._countPredicates=a(t&&t.countPredicates)||s}function a(t){return t&&t.reduce((function(t,e){return t[e]=!0,t}),Object.create(null))}n.inherits(o),o.prototype._extract=function(t,e,r){var n=this._countPredicates;function s(e){if(e.predicate in n&&i.decodedURIEquals(e.subject,t.fragmentUrl)){var r=e.object.match(/\d+/);r&&o({totalTriples:parseInt(r[0],10)})}}function o(t){e.removeListener("end",o),e.removeListener("data",s),r(null,t||{})}e.on("end",o),e.on("data",s)},e.exports=o},{"../util/RdfUtil":39,"./MetadataExtractor":24}],24:[function(t,e,r){var n=t("util");function i(){if(!(this instanceof 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n=e.variables,i=e.template=[],s=0,o=n.length;s<o;s++)i.push(h.triple(n[s],"?__predicate"+s,"?__object"+s));e.where=(e.where||[]).concat({type:"bgp",triples:i}),g.call(this,t,e,r)}function v(t,e,r){s.call(this,t,r),this._result=!1}function m(t,e,r){return e.reduce((function(t,e){return new x(t,e,r)}),t)}function x(t,e,r){var n=r.optional?f.create(r,{optional:!1}):r;switch(e.type){case"bgp":return new o(t,e.triples,r);case"group":return new m(t,e.patterns,n);case"optional":return n=f.create(r,{optional:!0}),new m(t,e.patterns,n);case"union":return new a(e.patterns.map((function(e){return new x(t.clone(),e,n)})),r);case"filter":var i=new l(e.expression);return t.filter((function(t){try{return!/^"false"|^"0"/.test(i(t))}catch(t){return!1}}));default:throw new Error("Unsupported group type: "+e.type)}}s.subclass(_),_.subclass(y),y.prototype._transform=function(t,e){function r(e){var r=t[e];return"string"==typeof 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w=p("InvalidQueryError",(function(t,e){this.message="Syntax error in query\n"+e.message})),E=p("UnsupportedQueryError",(function(t,e){this.message="The query is not yet supported\n"+e.message}));e.exports=_,_.InvalidQueryError=w,_.UnsupportedQueryError=E},{"../triple-pattern-fragments/ReorderingGraphPatternIterator":30,"../util/CustomError":35,"../util/RdfUtil":39,"../util/SparqlExpressionEvaluator":40,"./DistinctIterator":25,"./SortIterator":26,"./UnionIterator":28,asynciterator:42,lodash:49,sparqljs:65}],28:[function(t,e,r){var n=t("asynciterator").BufferedIterator;function i(t,e){if(!(this instanceof i))return new i(t,e);if(n.call(this,e),this._sources=[],this._sourceIndex=0,t&&t.length){var r=this;function s(){r._fillBuffer()}function o(t){r.emit("error",t)}for(var a=0,u=t.length;a<u;a++){var c=t[a];c&&!c.ended&&(this._sources.push(c),c.on("readable",s),c.on("end",s),c.on("error",o))}}}n.subclass(i),i.prototype._read=function(t,e){for(var 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c]}),t){if("string"==typeof t){var i=this._startFragmentUrl=t;(t=new p(this)).loadFromUrl(i)}this._startFragment=t,t.setMaxListeners(100),t.once("error",(function(e){r.reset(),t.error=e})),t.getProperty("controls",(function(){t.error=null,t.removeAllListeners("error")}))}}function p(t,e){if(!(this instanceof p))return new p(t);i.call(this),this._fragmentsClient=t,this._pattern=e}h.prototype.getFragmentByPattern=function(t){var e=this._cache,n=JSON.stringify(t);if(e.has(n))return e.get(n).clone();var i=new p(this,t),o=this._startFragment;if(null!==o.error){if(o.error)return r(a),i;o.once("error",a)}function a(){i.emit("error",o.error),i.close()}return o.getProperty("controls",(function(e){var r=s.isVariableOrBlank(t.subject)?null:t.subject,n=s.isVariableOrBlank(t.predicate)?null:t.predicate,o=s.isVariableOrBlank(t.object)?null:t.object;if(s.isLiteral(r)||s.isLiteral(n))return i.empty();t={subject:r,predicate:n,object:o},i.loadFromUrl(e.getFragmentUrl(t))})),e.set(n,i),i.clone()},h.prototype.abortAll=function(){this._httpClient.abortAll()},h.prototype.getRequestCount=function(){return this._httpClient?this._httpClient._requestId:0},i.subclass(p),p.prototype._read=function(t,e){for(var r;t-- >0&&this._page&&(r=this._page.read());)this._push(r);e()},p.prototype.loadFromUrl=function(t){var e,n=this,i=this._fragmentsClient,s={"user-agent":"Triple Pattern Fragments Client"};i._startFragmentUrl&&(s.referer=i._startFragmentUrl),(e=i._httpClient.get(t,s)).on("error",(function(t){n.emit("error",t)})),e.getProperty("statusCode",(function(s){if(200!==s)return e.emit("error",new Error("Could not retrieve "+t+" ("+s+")")),n.close();e.getProperty("contentType",(function(s){var o=l.find(f,(function(t){return t.supportsContentType(s)}));if(!o)return n.emit("error",new Error("No parser for "+s+" at "+t));var a=n._page=new o(e,t);a.on("readable",(function(){n.readable=!0}));var u={};function c(){var t;try{t=u&&u.next}catch(t){}t?n.loadFromUrl(t):n.close()}i._metadataExtractor.extract({fragmentUrl:t},a.metadataStream,(function(t,e){for(var r in e)n.getProperty(r)||n.setProperty(r,e[r]);u=e.controls||u})),a.on("end",(function(){r(c)})),a.on("error",(function(t){n.emit("error",t)})),n.readable=!0}))}))},p.prototype.empty=function(){return this.getProperty("metadata")||this.setProperty("metadata",{totalTriples:0}),this.close(),this},p.prototype.toString=function(){return"["+this.constructor.name+" {"+s.toQuickString(this._pattern)+")}"},e.exports=h}).call(this,t("timers").setImmediate)},{"../extractors/CompositeExtractor":21,"../extractors/ControlsExtractor":22,"../extractors/CountExtractor":23,"../util/HttpClient":37,"../util/RdfUtil":39,"./TrigFragmentIterator":31,"./TurtleFragmentIterator":33,asynciterator:42,lodash:49,"lru-cache":50,timers:13}],30:[function(t,e,r){var n=t("asynciterator"),i=n.TransformIterator,s=n.MultiTransformIterator,o=t("../util/RdfUtil"),a=t("lodash"),u=t("../util/ExecutionLogger")("ReorderingGraphPatternIterator"),c=t("./TriplePatternIterator");function l(t,e,r){return e&&e.length?1===e.length?new c(t,e[0],r):this instanceof l?(s.call(this,t,r),this._pattern=e,this._options=r||(r={}),void(this._client=r.fragmentsClient)):new l(t,e,r):new i(t,r)}s.subclass(l),l.prototype._createTransformer=function(t){var e,r=o.applyBindings(t,this._pattern),s=this._options,f=a.sortBy(o.findConnectedPatterns(r),(function(t){var e=a.union.apply(a,t.map(o.getVariables)).length;return-(r.length*e+t.length)})),h=f.pop