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l(this._graph).router(!0).collector(!0);n.evaluate=function(t){c(t,["input",e._name]);var n,r=e._input,i=s.create(t);return a.keys(r.fields).forEach(function(t){i.fields[t]=1}),t.reflow?i.mod=e._data.slice():(r.rem.length&&(n=o.idMap(r.rem),e._data=e._data.filter(function(t){return 1!==n[t._id]})),r.add.length&&(e._data=e._data.concat(r.add)),e._input=s.create(),i.add=r.add,i.mod=r.mod,i.rem=r.rem),i.facet=e._facet,i},t.unshift(n);var r=new l(this._graph).router(!0).collector(!0);return r.evaluate=function(t){c(t,["output",e._name]);var n=s.create(t,!0);return e._facet&&(e._facet.values=e.values(),t.facet=null),e._output=t,n.data[e._name]=1,n},t.push(r),this._pipeline=t,this._graph.connect(e._pipeline),this},f.listener=function(){var t=new l(this._graph).router(!0),e=this,n=this._revises?null:void 0;return t.evaluate=function(t){e._srcMap=e._srcMap||{};var r=e._srcMap,i=s.create(t);return i.add=t.add.map(function(t){return r[t._id]=o.derive(t,void 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n,r,i,a;for(i=0,a=t.length;a>i;++i)n=t[i],n.collector()&&(r=n),e(n,r,i)}var s=t("datalib"),o=t("heap"),l=t("./Datasource"),u=t("./Signal"),c=(t("./changeset"),t("../util/debug")),d=t("../util/constants"),f=r.prototype;f.init=function(){this._stamp=0,this._rank=0,this._data={},this._signals={},this.doNotPropagate={}},f.data=function(t,e,n){var r=this._data;return arguments.length?1===arguments.length?r[t]:r[t]=new l(this,t,n).pipeline(e):s.keys(r).map(function(t){return r[t]})},f.dataValues=function(t){var e=this;return arguments.length||(t=s.keys(this._data)),s.isArray(t)?t.reduce(function(t,n){return t[n]=e._data[n].values(),t},{}):this._data[t].values()},f.signal=function(t,e){return 1===arguments.length?i.call(this,t):this._signals[t]=new u(this,t,e)},f.signalValues=function(t){var e=this;return arguments.length||(t=s.keys(this._signals)),s.isArray(t)?t.reduce(function(t,n){return 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a=n.dependency(d.DATA),s=n.dependency(d.SIGNALS);a.length>0&&a.forEach(function(t){e.data(t).revises(n.revises()).addListener(r)}),s.length>0&&s.forEach(function(t){e.signal(t).addListener(r)}),i>0&&t[i-1].addListener(t[i])}),t},f.disconnect=function(t){c({},["disconnecting"]);var e=this;return a(t,function(t,n,r){var i=t.dependency(d.DATA),a=t.dependency(d.SIGNALS);i.length>0&&i.forEach(function(t){e.data(t).removeListener(n)}),a.length>0&&a.forEach(function(t){e.signal(t).removeListener(n)}),t.disconnect()}),t},f.reevaluate=function(t,e){var n=!t.reflow||t.reflow&&e.last()>=t.stamp,r=!!t.add.length||!!t.rem.length||e.router();return r=r||!n,r||e.reevaluate(t)},f.evaluate=function(t,e){return this.reevaluate(t,e)?(t=e.evaluate(t),e.last(t.stamp),t):t},e.exports=r},{"../util/constants":107,"../util/debug":108,"./Datasource":32,"./Signal":35,"./changeset":36,datalib:20,heap:26}],34:[function(t,e,n){function r(t){return t&&this.init(t),this}var i=t("datalib"),a=t("../util/constants"),s=[a.DATA,a.FIELDS,a.SCALES,a.SIGNALS],o=1,l=r.prototype;l.init=function(t){return this._id=o++,this._graph=t,this._rank=++t._rank,this._stamp=0,this._listeners=[],this._registered={},this._deps={data:[],fields:[],scales:[],signals:[]},this._isRouter=!1,this._isCollector=!1,this._revises=!1,this},l.rank=function(){return this._rank},l.last=function(t){return arguments.length?(this._stamp=t,this):this._stamp},l.dependency=function(t,e){var n=this._deps[t];if(1===arguments.length)return n;if(null===e)for(;n.length>0;)n.pop();else!i.isArray(e)&&n.indexOf(e)<0?n.push(e):n.push.apply(n,i.array(e));return this},l.router=function(t){return arguments.length?(this._isRouter=!!t,this):this._isRouter},l.collector=function(t){return arguments.length?(this._isCollector=!!t,this):this._isCollector},l.revises=function(t){return arguments.length?(this._revises=!!t,this):this._revises},l.listeners=function(){return 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e={fn:i(t),signals:r.keys(f),fields:r.keys(h)};return f={},h={},e}function i(t){if(t instanceof String)return t;var e=p[t.type];if(null==e)throw new Error("Unsupported type: "+t.type);return e(t)}e=e||{};var a=e.constants||t("./constants"),s=(e.functions||t("./functions"))(i),o=e.idWhiteList?r.toMap(e.idWhiteList):null,l=e.idBlackList?r.toMap(e.idBlackList):null,u=0,c="d",d="sg.",f={},h={},p={Literal:function(t){return t.raw},Identifier:function(t){var e=t.name;if(u>0)return e;if(a.hasOwnProperty(e))return a[e];if(o)return o.hasOwnProperty(e)?e:(f[e]=1,d+e);if(l&&l.hasOwnProperty(e))throw new Error("Illegal identifier: "+e);return e},Program:function(t){return t.body.map(i).join("\n")},MemberExpression:function(t){var e=!t.computed,n=i(t.object);e&&(u+=1);var r=i(t.property);return n===c&&(h[r]=1),e&&(u-=1),n+(e?"."+r:"["+r+"]")},CallExpression:function(t){if("Identifier"!==t.callee.type)throw new Error("Illegal callee type: "+t.callee.type);

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