mingo - npm Package Compare versions

Comparing version 0.8.0 to 0.8.1

CHANGELOG.md

@@ -6,2 +6,8 @@ Changelog
 
+## v0.8.1 / 2016-12-08
+- Fix querying deeply nested nested arrays and object equality matching. See [issue#36](https://github.com/kofrasa/mingo/issues/36)
+
+## v0.8.0 / 2016-09-26
+- Make this library zero-dependent
+
 ## v0.7.0 / 2016-09-10
@@ -8,0 +14,0 @@ - Fix nested projections for objects and arrays. See [issue#25](https://github.com/kofrasa/mingo/issues/25)

dist/mingo.min.js

@@ -1,2 +0,2 @@
-!function(n,r){"use strict";function t(n,r){if(O(n))throw new Error(r)}function e(n,r){if(O(n))throw new TypeError(r)}function u(n){return t(!y(n))}function i(n,r){e(n===Object(n),r)}function o(n,r){return Object.prototype.toString.call(n)==="[object "+r+"]"}function c(n){return o(n,"Boolean")}function l(n){return o(n,"String")}function a(n){return o(n,"Number")}function f(n){return o(n,"Array")}function s(n){return o(n,"Object")}function h(n){return n===Object(n)}function p(n){return o(n,"Date")}function g(n,r){return o(n,"RegExp")}function d(n,r){return o(n,"Function")}function v(n){return o(n,"Null")}function y(n){return o(n,"Undefined")}function $(n,r){return!n.includes(r)}function b(n,r){return n.includes(r)}function m(n){return!!n}function O(n){return!n}function w(n){return["undefined","null"].includes(typeof n)||f(n)&&0===n.length||s(n)&&0===Object.keys(n).length||!n}function j(n){return f(n)?n:[n]}function _(n){for(var r=0;r<tn.length;r++){var t="[object "+tn[r]+"]",e=Object.prototype.toString.call(n);if(t===e)return tn[r].toLowerCase()}return typeof n}function E(n,r){return Object.prototype.hasOwnProperty.call(n,r)}function k(n,r,t){if(i(n,"Cannot iterate over object of type '"+_(n)+"'"),f(n))n.forEach(r,t);else for(var e in n)E(n,e)&&r.call(t,n[e],e)}function x(n,r,t){if(f(n))return n.map(r,t);if(s(n)){for(var e,u={},i=Object.keys(n),o=0,c=i.length;c>o;o++)e=i[o],u[e]=r.call(t,n[e],e);return u}throw new TypeError("Input must be an Array or Object type")}function A(n,r){return n.filter(b.bind(null,r))}function S(n,r){var t=[];return nn.apply(t,n),nn.apply(t,r.filter($.bind(null,n))),t}function I(n){e(f(n),"Input must be an Array");var r=[],t=function(n){for(var e=0,u=n.length;u>e;e++)f(n[e])?t(n[e]):nn.call(r,n[e])};return t(n),r}function q(n,r){if(n===r)return!0;var t=_(n);if(t!==_(r))return!1;if("number"===t&&isNaN(n)&&isNaN(r))return!0;if(["date","regexp"].includes(t))return n.toString()===r.toString();if("array"===t){if(n.length===r.length&&0===n.length)return!0;if(n.length!==r.length)return!1;for(var e=0,u=n.length;u>e;e++)if(!q(n[e],r[e]))return!1}else{if(![n,r].every(s))return!1;var i=Object.keys(n),o=Object.keys(r);if(i.length!==o.length)return!1;if(i.sort(),o.sort(),!q(i,o))return!1;for(var e=0,c=i.length;c>e;e++){var l=i[e];if(!q(n[l],r[l]))return!1}}return!0}function M(n){var r={},t=[];return n.forEach(function(n){var e=z(n);E(r,e)||(t.push(n),r[e]=0)}),t}function N(n,r){return n[r]}function C(n,t){for(var e=t.split("."),u=n,i=0;i<e.length;i++){var o=null===e[i].match(/^\d+$/);if(o&&f(u)){var c=[];u.forEach(function(n){c.push(C(n,e[i]))}),u=c}else u=N(u,e[i]);if(u===r)break}return u}function Q(n,e){if(y(n))return n;var i,o=e.split("."),c=o[0],l=1===o.length||o.slice(1).join("."),a=null!==c.match(/^\d+$/);try{if(1===o.length)if(f(n))a?(i=N(n,c),u(i),i=[i]):(i=[],n.forEach(function(n){var r=Q(n,e);y(r)||i.push(r)}),t(i.length>0));else{var s=N(n,c);u(s),i={},i[c]=s}else if(f(n))a?(i=N(n,c),i=Q(i,l),u(i),i=[i]):(i=[],n.forEach(function(n){var r=Q(n,e);y(r)||i.push(r)}),t(i.length>0));else{var s=N(n,c);s=Q(s,l),u(s),i={},i[c]=s}}catch(h){i=r}return i}function T(n,r,t){var e=r.split("."),u=e[0],i=1===e.length||e.slice(1).join("."),o=/^\d+$/.test(u);1===e.length?f(n)&&!o?n.forEach(function(n){T(n,u,t)}):t(n,u):f(n)&&!o?n.forEach(function(n){T(n,r,t)}):T(n[u],i,t)}function D(n,r,t){T(n,r,function(n,r){n[r]=t})}function U(n,r){T(n,r,function(n,r){f(n)&&/^\d+$/.test(r)?n.splice(parseInt(r),1):s(n)&&delete n[r]})}function P(n){switch(_(n)){case"array":return n.map(function(n){return P(n)});case"object":return x(n,function(n,r){return P(n)});default:return n}}function F(n){for(var r=0;r<qn.length;r++)if(qn[r](n))return!0;return!1}function R(n){return F(n)||!s(n)&&!f(n)}function Y(n){if(R(n))return g(n)?{$regex:n}:{$eq:n};if(s(n)){var r=Object.keys(n),t=0===A(L(_n),r).length;if(t)return{$eq:n};if(r.includes("$regex")){var e=n.$regex,u=n.$options||"",i="";l(e)&&(i+=e.ignoreCase||u.indexOf("i")>=0?"i":"",i+=e.multiline||u.indexOf("m")>=0?"m":"",i+=e.global||u.indexOf("g")>=0?"g":"",e=new RegExp(e,i)),n.$regex=e,delete n.$options}}return n}function B(n,r){return new Array(Math.max(r-String(n).length+1,0)).join("0")+n}function L(n){return Object.keys(Sn[n])}function J(n,r,e){for(var u,i,o,c={},l=[],a=n.length,f=0;a>f;f++)i=n[f],u=r.call(e,i,f),o=z(i),E(c,o)||(c[o]=[u,f]),l.push(P(i));return l.sort(function(n,r){var t=c[z(n)],e=c[z(r)];return t[0]<e[0]?-1:t[0]>e[0]?1:t[1]<e[1]?-1:t[1]>e[1]?1:0}),t(l.length===n.length,"sortBy must retain collection length"),l}function G(n,r,e){var u={keys:[],groups:[]},i={};return n.forEach(function(n){var t=r.call(e,n),o=z(t),c=-1;y(i[o])&&(c=u.keys.length,i[o]=c,u.keys.push(t),u.groups.push([])),c=i[o],u.groups[c].push(n)}),t(u.keys.length===u.groups.length,"Cardinality must be equal for groups and keys"),u}function H(n){return JSON.stringify({"":n})+_(n)+n}function z(n){var r,t,e,u=0,i=H(n);if(0===i.length)return u;for(r=0,e=i.length;e>r;r++)t=i.charCodeAt(r),u=(u<<5)-u+t,u|=0;return u.toString()}function V(n,t,e){if(L(En).includes(t))return hn[t](n,e);if(s(e)){var u={};for(var i in e)if(E(e,i)&&(u[i]=V(n,i,e[i]),L(En).includes(i))){if(u=u[i],Object.keys(e).length>1)throw new Error("Invalid $group expression '"+JSON.stringify(e)+"'");break}return u}return r}function W(n,r,e){if(L(kn).includes(e))return jn[e](n,r);if(l(r)&&r.length>0&&"$"===r[0])return C(n,r.slice(1));switch(_(r)){case"array":return r.map(function(r){return W(n,r,null)});case"object":var u={};for(var i in r)if(E(r,i)&&(u[i]=W(n,r[i],i),L(kn).includes(i))){t(1===Object.keys(r).length,"Invalid aggregation expression '"+JSON.stringify(r)+"'"),u=u[i];break}return u;default:return P(r)}}var K,X={};X.VERSION="0.7.0",null!=n&&(K=n.Mingo),X.noConflict=function(){return n.Mingo=K,X};var Z="undefined"!=typeof module&&"undefined"!=typeof require;Z?"undefined"!=typeof module&&(module.exports=X):n.Mingo=X;var nn=Array.prototype.push,rn=Array.prototype.slice;!function(){Function.prototype.bind||(Function.prototype.bind=function(n){if("function"!=typeof this)throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");var r=rn.call(arguments,1),t=this,e=function(){},u=function(){return t.apply(this instanceof e?this:n,r.concat(rn.call(arguments)))};return this.prototype&&(e.prototype=this.prototype),u.prototype=new e,u}),Array.prototype.includes||(Array.prototype.includes=function(n){if(null===this)throw new TypeError("Array.prototype.includes called on null or undefined");var r=Object(this),t=parseInt(r.length,10)||0;if(0===t)return!1;var e,u=parseInt(arguments[1],10)||0;u>=0?e=u:(e=t+u,0>e&&(e=0));for(var i;t>e;){if(i=r[e],n===i||n!==n&&i!==i)return!0;e++}return!1}),Array.prototype.find||(Array.prototype.find=function(n){if(null===this)throw new TypeError("Array.prototype.find called on null or undefined");if(!d(n))throw new TypeError("predicate must be a function");for(var t,e=Object(this),u=e.length>>>0,i=arguments[1],o=0;u>o;o++)if(t=e[o],n.call(i,t,o,e))return t;return r}),Object.keys||(Object.keys=function(n){i(n,"Object.keys called on a non-object");var r=[];for(var t in n)E(n,t)&&r.push(t);return r}),Object.values||(Object.values=function(n){i(n,"Object.values called on a non-object");var r=[];for(var t in n)E(n,t)&&r.push(n[t]);return r}),Object.assign||(Object.assign=function(n){if(v(n)||y(n))throw new TypeError("Cannot convert undefined or null to object");for(var r=Object(n),t=1;t<arguments.length;t++){var e=arguments[t];if(!y(e)&&!v(e))for(var u in e)E(e,u)&&(r[u]=e[u])}return r})}();var tn=["Boolean","String","Number","Null","Undefined","Array","Object","Date","Function","RegExp"],en={key:"_id"};if(X._internal=function(){return{assert:t.bind(null),each:k.bind(null),falsey:O.bind(null),flatten:I.bind(null),groupBy:G.bind(null),has:E.bind(null),inArray:b.bind(null),intersection:A.bind(null),isArray:f.bind(null),isBoolean:c.bind(null),isDate:p.bind(null),isEmpty:w.bind(null),isEqual:q.bind(null),isFunction:d.bind(null),isNull:v.bind(null),isNumber:a.bind(null),isObject:s.bind(null),isObjectLike:h.bind(null),isRegExp:g.bind(null),isString:l.bind(null),isUndefined:y.bind(null),map:x.bind(null),notInArray:$.bind(null),sortBy:J.bind(null),truthy:m.bind(null),union:S.bind(null),unique:M.bind(null)}},X.setup=function(n){Object.assign(en,n||{})},X.Query=function(n,r){return this instanceof X.Query?(this._criteria=n,this._projection=r,this._compiled=[],void this._compile()):new X.Query(n,r)},X.Query.prototype={_compile:function(){if(!w(this._criteria)){e(s(this._criteria),"Criteria must be of type Object");for(var n in this._criteria)if(E(this._criteria,n)){var r=this._criteria[n];if(["$and","$or","$nor","$where"].includes(n))this._processOperator(n,n,r);else{r=Y(r);for(var t in r)E(r,t)&&this._processOperator(n,t,r[t])}}}},_processOperator:function(n,r,t){if(!L(_n).includes(r))throw new Error("Invalid query operator '"+r+"' detected");this._compiled.push(ln[r](n,t))},test:function(n){for(var r=0;r<this._compiled.length;r++)if(!this._compiled[r].test(n))return!1;return!0},find:function(n,r){return new X.Cursor(n,this,r)},remove:function(n){for(var r=[],t=0;t<n.length;t++)this.test(n[t])||r.push(n[t]);return r}},Z){var un=require("stream").Transform,on=require("util");X.Query.prototype.stream=function(n){return new X.Stream(this,n)},X.Stream=function(n,r){return this instanceof X.Stream?(r=r||{},Object.assign(r,{objectMode:!0}),un.call(this,r),void(this._query=n)):new X.Stream(n,r)},on.inherits(X.Stream,un),X.Stream.prototype._transform=function(n,r,t){if(s(n)&&this._query.test(n))if(w(this._query._projection))this.push(n);else{var e=new X.Cursor([n],this._query);e.hasNext()&&this.push(e.next())}t()}}X.Cursor=function(n,r,t){return this instanceof X.Cursor?(this._query=r,this._collection=n,this._projection=t||r._projection,this._operators={},this._result=!1,void(this._position=0)):new X.Cursor(n,r,t)},X.Cursor.prototype={_fetch:function(){var n=this;if(this._result!==!1)return this._result;if(s(this._projection)&&Object.assign(this._operators,{$project:this._projection}),!f(this._collection))throw new Error("Input collection is not of valid type. Must be an Array.");this._result=this._collection.filter(this._query.test,this._query);var r=[];if(["$sort","$skip","$limit","$project"].forEach(function(t){if(E(n._operators,t)){var e={};e[t]=n._operators[t],r.push(e)}}),r.length>0){var t=new X.Aggregator(r);this._result=t.run(this._result,this._query)}return this._result},all:function(){return this._fetch()},first:function(){return this.count()>0?this._fetch()[0]:null},last:function(){return this.count()>0?this._fetch()[this.count()-1]:null},count:function(){return this._fetch().length},skip:function(n){return Object.assign(this._operators,{$skip:n}),this},limit:function(n){return Object.assign(this._operators,{$limit:n}),this},sort:function(n){return Object.assign(this._operators,{$sort:n}),this},next:function(){return this.hasNext()?this._fetch()[this._position++]:null},hasNext:function(){return this.count()>this._position},max:function(n){return hn.$max(this._fetch(),n)},min:function(n){return hn.$min(this._fetch(),n)},map:function(n){return this._fetch().map(n)},forEach:function(n){this._fetch().forEach(n)}},X.Aggregator=function(n){return this instanceof X.Aggregator?void(this._operators=n):new X.Aggregator(n)},X.Aggregator.prototype={run:function(n,r){if(!w(this._operators))for(var t=0;t<this._operators.length;t++){var e=this._operators[t],u=Object.keys(e);if(1!==u.length||!L(xn).includes(u[0]))throw new Error("Invalid aggregation operator '"+u+"'");u=u[0],n=r instanceof X.Query?cn[u].call(r,n,e[u]):cn[u](n,e[u])}return n}},X.find=function(n,r,t){return new X.Query(r).find(n,t)},X.remove=function(n,r){return new X.Query(r).remove(n)},X.aggregate=function(n,r){if(!f(r))throw new Error("Aggregation pipeline must be an array");return new X.Aggregator(r).run(n)},X.addOperators=function(n,r){var e=r({resolve:C,computeValue:W,ops:L,key:function(){return en.key}});t([kn,En,xn,An,_n].includes(n),"Could not identify type '"+n+"'");var u=L(n);Object.keys(e).forEach(function(r){t(/^\$\w+$/.test(r),"Invalid operator name '"+r+"'"),t(!u.includes(r),"Operator "+r+" is already defined for "+n+" operators")});var i={};switch(n){case _n:Object.keys(e).forEach(function(n){i[n]=function(r,t){return function(e,u){return{test:function(i){var o=C(i,e),l=r.call(t,e,o,u);if(c(l))return l;if(l instanceof X.Query)return l.test(i);throw new Error("Invalid return type for '"+n+"'. Must return a Boolean or Mingo.Query")}}}}(e[n],e)});break;case An:Object.keys(e).forEach(function(n){i[n]=function(n,r){return function(t,e,u){var i=C(t,u);return n.call(r,u,i,e)}}(e[n],e)});break;default:Object.keys(e).forEach(function(n){i[n]=function(n,r){return function(){var t=rn.call(arguments);return n.apply(r,t)}}(e[n],e)})}Object.assign(Sn[n],i)},X.CollectionMixin={query:function(n,r){return X.find(this.toJSON(),n,r)},aggregate:function(n){return X.aggregate.call(null,this.toJSON(),n)}};var cn={$group:function(n,r){var t=r[en.key],e=G(n,function(n){return W(n,t,t)}),u=[];return delete r[en.key],e.keys.forEach(function(n,t){var i={};y(n)||(i[en.key]=n);for(var o in r)E(r,o)&&(i[o]=V(e.groups[t],o,r[o]));u.push(i)}),u},$match:function(n,r){return new X.Query(r).find(n).all()},$project:function(n,r){if(w(r))return n;for(var e=[],u=Object.keys(r),i=!1,o=[!1,!1],c=0;c<u.length;c++){var a=u[c],f=r[a];a!==en.key&&(0===f||f===!1?o[0]=!0:o[1]=!0,t(o[0]!==o[1],"Projection cannot have a mix of inclusion and exclusion."))}if(u.includes(en.key)){var h=r[en.key];0!==h&&h!==!1||(u=u.filter($.bind(null,[en.key])),t(!u.includes(en.key),"Must not contain collections _id"),i=w(u))}else u.push(en.key);for(var c=0;c<n.length;c++){var p=n[c],g={},d=!1,v=!1,b=[];i&&b.push(en.key),u.forEach(function(n){var t,e,u=r[n];if(n!==en.key&&0===u&&(v=!0),n===en.key&&w(u))t=p[n];else if(l(u))t=W(p,u,n);else if(1===u||u===!0);else{if(!s(u))return void b.push(n);var i=Object.keys(u);i=i.length>1?!1:i[0],i!==!1&&L(An).includes(i)?(t=sn[i](p,u[i],n),"$slice"===i&&(d=!0)):t=W(p,u,n)}t=P(t),e=P(Q(p,n)),y(e)?y(t)||(g[n]=t):(y(t)||D(e,n,t),Object.assign(g,e))}),(d||v||i)&&(g=Object.assign(P(p),g),b.forEach(function(n){U(g,n)})),e.push(g)}return e},$limit:function(n,r){return n.slice(0,r)},$skip:function(n,r){return n.slice(r)},$unwind:function(n,r){for(var t=[],e=r.substr(1),u=0;u<n.length;u++){var i=n[u],o=N(i,e);if(!f(o))throw new Error("Target field '"+e+"' is not of type Array.");o.forEach(function(n){var r=P(i);r[e]=n,t.push(r)})}return t},$sort:function(n,r){if(!w(r)&&s(r)){var t=Object.keys(r);t.reverse().forEach(function(t){var e=G(n,function(n){return C(n,t)}),u={},i=function(n){return u[z(n)]},o=J(e.keys,function(n,r){return u[z(n)]=r,n});-1===r[t]&&o.reverse(),n=[],o.forEach(function(r){nn.apply(n,e.groups[i(r)])})})}return n}},ln={},an={$and:function(n,r){e(f(r),"Invalid expression: $and expects value to be an Array");var t=[];return r.forEach(function(n){t.push(new X.Query(n))}),{test:function(n){for(var r=0;r<t.length;r++)if(!t[r].test(n))return!1;return!0}}},$or:function(n,r){if(!f(r))throw new Error("Invalid expression for $or criteria");var t=[];return r.forEach(function(n){t.push(new X.Query(n))}),{test:function(n){for(var r=0;r<t.length;r++)if(t[r].test(n))return!0;return!1}}},$nor:function(n,r){if(!f(r))throw new Error("Invalid expression for $nor criteria");var t=this.$or("$or",r);return{test:function(n){return!t.test(n)}}},$not:function(n,r){var t={};t[n]=Y(r);var e=new X.Query(t);return{test:function(n){return!e.test(n)}}},$where:function(n,r){return d(r)||(r=new Function("return "+r+";")),{test:function(n){return r.call(n)===!0}}}};Object.assign(ln,an);var fn={$eq:function(n,t){return n=I(j(n)),n=n.find(q.bind(null,t)),n!==r},$ne:function(n,r){return!this.$eq(n,r)},$in:function(n,r){return n=j(n),A(n,r).length>0},$nin:function(n,r){return y(n)||!this.$in(n,r)},$lt:function(n,t){return n=j(n).find(function(n){return t>n}),n!==r},$lte:function(n,t){return n=j(n).find(function(n){return t>=n}),n!==r},$gt:function(n,t){return n=j(n).find(function(n){return n>t}),n!==r},$gte:function(n,t){return n=j(n).find(function(n){return n>=t}),n!==r},$mod:function(n,t){return n=j(n).find(function(n){return a(n)&&f(t)&&2===t.length&&n%t[0]===t[1]}),n!==r},$regex:function(n,t){return n=j(n).find(function(n){return l(n)&&g(t)&&!!n.match(t)}),n!==r},$exists:function(n,r){return r===!1&&y(n)||r===!0&&!y(n)},$all:function(n,r){var t=this,e=!1;if(f(n)&&f(r))for(var u=0;u<r.length;u++){if(!s(r[u])||!Object.keys(r[u]).includes("$elemMatch"))return A(r,n).length===r.length;e=e||t.$elemMatch(n,r[u].$elemMatch)}return e},$size:function(n,r){return f(n)&&a(r)&&n.length===r},$elemMatch:function(n,r){if(f(n)&&!w(n))for(var t=new X.Query(r),e=0;e<n.length;e++)if(t.test(n[e]))return!0;return!1},$type:function(n,r){switch(r){case 1:return a(n)&&-1!==(n+"").indexOf(".");case 2:case 5:return l(n);case 3:return s(n);case 4:return f(n);case 8:return c(n);case 9:return p(n);case 10:return v(n);case 11:return g(n);case 16:return a(n)&&2147483647>=n&&-1===(n+"").indexOf(".");case 18:return a(n)&&n>2147483647&&0x8000000000000000>=n&&-1===(n+"").indexOf(".");default:return!1}}};Object.keys(fn).forEach(function(n){ln[n]=function(n,r){return function(t,e){return{test:function(u){var i=C(u,t);return n.call(r,i,e)}}}}(fn[n],fn)});var sn={$:function(n,r,t){throw new Error("$ not implemented")},$elemMatch:function(n,t,e){var u=C(n,e),i=new X.Query(t);if(y(u)||!f(u))return r;for(var o=0;o<u.length;o++)if(i.test(u[o]))return[u[o]];return r},$slice:function(n,r,t){var e=C(n,t);if(!f(e))return e;if(f(r)){var u=r[0]<0?e.length+r[0]:r,i=u+r[1];r=[u,i]}else{if(!a(r))throw new Error("Invalid type for $slice operator");r=0>r?[r]:[0,r]}return rn.apply(e,r)}},hn={$addToSet:function(n,r){var t=n.map(function(n){return W(n,r,null)});return M(t)},$sum:function(n,r){return f(n)?a(r)?n.length*r:n.reduce(function(n,t){var e=W(t,r,null);return a(e)?n+e:n},0):0},$max:function(n,r){var t,e=n.map(function(n){return W(n,r,null)});return e.length>0&&(t=e[0],e.forEach(function(n){n>t&&(t=n)})),t},$min:function(n,r){var t,e=n.map(function(n){return W(n,r,null)});return e.length>0&&(t=e[0],e.forEach(function(n){t>n&&(t=n)})),t},$avg:function(n,r){return this.$sum(n,r)/(n.length||1)},$push:function(n,r){return n.map(function(n){return W(n,r,null)})},$first:function(n,t){return n.length>0?W(n[0],t):r},$last:function(n,t){return n.length>0?W(n[n.length-1],t):r}},pn={$add:function(n,r){var t=W(n,r,null);return t.reduce(function(n,r){return n+r},0)},$subtract:function(n,r){var t=W(n,r,null);return t[0]-t[1]},$divide:function(n,r){var t=W(n,r,null);return t[0]/t[1]},$multiply:function(n,r){var t=W(n,r,null);return t.reduce(function(n,r){return n*r},1)},$mod:function(n,r){var t=W(n,r,null);return t[0]%t[1]}},gn={$concat:function(n,t){var e=W(n,t,null);return[null,r].some(b.bind(null,e))?null:e.join("")},$strcasecmp:function(n,r){var t=W(n,r,null);return t[0]=w(t[0])?"":t[0].toUpperCase(),t[1]=w(t[1])?"":t[1].toUpperCase(),t[0]>t[1]?1:t[0]<t[1]?-1:0},$substr:function(n,r){var t=W(n,r,null);return l(t[0])?t[1]<0?"":t[2]<0?t[0].substr(t[1]):t[0].substr(t[1],t[2]):""},$toLower:function(n,r){var t=W(n,r,null);return w(t)?"":t.toLowerCase()},$toUpper:function(n,r){var t=W(n,r,null);return w(t)?"":t.toUpperCase()}},dn={$dayOfYear:function(n,t){var e=W(n,t,null);if(p(e)){var u=new Date(e.getFullYear(),0,0),i=e-u,o=864e5;return Math.round(i/o)}return r},$dayOfMonth:function(n,t){var e=W(n,t,null);return p(e)?e.getDate():r},$dayOfWeek:function(n,t){var e=W(n,t,null);return p(e)?e.getDay()+1:r},$year:function(n,t){var e=W(n,t,null);return p(e)?e.getFullYear():r},$month:function(n,t){var e=W(n,t,null);return p(e)?e.getMonth()+1:r},$week:function(n,r){var t=W(n,r,null);t=new Date(+t),t.setHours(0,0,0),t.setDate(t.getDate()+4-(t.getDay()||7));var e=new Date(t.getFullYear(),0,1);return Math.floor(((t-e)/864e5+1)/7)},$hour:function(n,t){var e=W(n,t,null);return p(e)?e.getHours():r},$minute:function(n,t){var e=W(n,t,null);return p(e)?e.getMinutes():r},$second:function(n,t){var e=W(n,t,null);return p(e)?e.getSeconds():r},$millisecond:function(n,t){var e=W(n,t,null);return p(e)?e.getMilliseconds():r},$dateToString:function(n,r){for(var t=r.format,e=W(n,r.date,null),u=t.match(/(%%|%Y|%m|%d|%H|%M|%S|%L|%j|%w|%U)/g),i=0,o=u.length;o>i;i++){var c=In[u[i]],l=c;if(f(c)){var a=this[c[0]],s=c[1];l=B(a.call(this,n,e),s)}t=t.replace(u[i],l)}return t}},vn={$setEquals:function(n,r){var t=W(n,r,null),e=M(t[0]),u=M(t[1]);return e.length===u.length&&e.length===A(e,u).length},$setIntersection:function(n,r){var t=W(n,r,null);return A(t[0],t[1])},$setDifference:function(n,r){var t=W(n,r,null);return t[0].filter($.bind(null,t[1]))},$setUnion:function(n,r){var t=W(n,r,null);return S(t[0],t[1])},$setIsSubset:function(n,r){var t=W(n,r,null);return A(t[0],t[1]).length===t[0].length},$anyElementTrue:function(n,r){var t=W(n,r,null)[0];return t.some(m)},$allElementsTrue:function(n,r){var t=W(n,r,null)[0];return t.every(m)}},yn={$cond:function(n,r){var t,e,u;if(f(r)){if(3!=r.length)throw new Error("Invalid arguments for $cond operator");t=r[0],e=r[1],u=r[2]}else s(r)&&(t=r["if"],e=r.then,u=r["else"]);var i=W(n,t,null);return i?W(n,e,null):W(n,u,null)},$ifNull:function(n,e){t(!f(e)||2!=e.length,"Invalid arguments for $ifNull operator");var u=W(n,e,null);return null===u[0]||u[0]===r?u[1]:u[0]}},$n={$cmp:function(n,r){var t=W(n,r,null);return t[0]>t[1]?1:t[0]<t[1]?-1:0}};["$eq","$ne","$gt","$gte","$lt","$lte"].forEach(function(n){$n[n]=function(r,t){var e=W(r,t,null);return fn[n](e[0],e[1])}});var bn={$size:function(n,t){var e=W(n,t,null);return f(e)?e.length:r}},mn={$literal:function(n,r){return r}},On={$map:function(n,r){var t=W(n,r.input,null);if(!f(t))throw new Error("Input expression for $map must resolve to an array");var e=r.as,u=r["in"],i="$"+e,o=n[i];return t.map(function(r){n[i]=r;var t=W(n,u,null);return y(o)?delete n[i]:n[i]=o,t})},$let:function(n,r){var t=r.vars,e=r["in"],u={},i=Object.keys(t);i.forEach(function(r){var e=W(n,t[r],null),i="$"+r;u[i]=n[i],n[i]=e});var o=W(n,e,null);return i.forEach(function(r){var t="$"+r;y(u[t])?delete n[t]:n[t]=u[t]}),o}},wn={$and:function(n,r){var t=W(n,r,null);return m(t)&&t.every(m)},$or:function(n,r){var t=W(n,r,null);return m(t)&&t.some(m)},$not:function(n,r){return!W(n,r[0],null)}},jn=Object.assign({},bn,pn,wn,$n,yn,dn,mn,vn,gn,On),_n=X.OP_QUERY="query",En=X.OP_GROUP="group",kn=X.OP_AGGREGATE="aggregate",xn=X.OP_PIPELINE="pipeline",An=X.OP_PROJECTION="projection",Sn={aggregate:jn,group:hn,pipeline:cn,projection:sn,query:ln},In={"%Y":["$year",4],"%m":["$month",2],"%d":["$dayOfMonth",2],"%H":["$hour",2],"%M":["$minute",2],"%S":["$second",2],"%L":["$millisecond",3],"%j":["$dayOfYear",3],"%w":["$dayOfWeek",1],"%U":["$week",2],"%%":"%"},qn=[l,c,a,p,v,g,y]}(this);
+!function(n,r){"use strict";function t(n,r){if(w(n))throw new Error(r)}function e(n,r){if(w(n))throw new TypeError(r)}function u(n){return t(!y(n))}function i(n,r){e(n===Object(n),r)}function o(n,r){return Object.prototype.toString.call(n)==="[object "+r+"]"}function c(n){return o(n,"Boolean")}function l(n){return o(n,"String")}function a(n){return o(n,"Number")}function f(n){return o(n,"Array")}function s(n){return o(n,"Object")}function h(n){return n===Object(n)}function p(n){return o(n,"Date")}function d(n,r){return o(n,"RegExp")}function g(n,r){return o(n,"Function")}function v(n){return o(n,"Null")}function y(n){return o(n,"Undefined")}function $(n,r){return!n.includes(r)}function b(n,r){return n.includes(r)}function m(n){return!!n}function w(n){return!n}function O(n){return["undefined","null"].includes(typeof n)||f(n)&&0===n.length||s(n)&&0===Object.keys(n).length||!n}function j(n){return f(n)?n:[n]}function _(n){return Object.prototype.toString.call(n).match(/\s(\w+)/)[1].toLowerCase()}function E(n,r){return Object.prototype.hasOwnProperty.call(n,r)}function k(n,r,t){if(i(n,"Cannot iterate over object of type '"+_(n)+"'"),f(n))n.forEach(r,t);else for(var e in n)E(n,e)&&r.call(t,n[e],e)}function x(n,r,t){if(f(n))return n.map(r,t);if(s(n)){for(var e,u={},i=Object.keys(n),o=0,c=i.length;c>o;o++)e=i[o],u[e]=r.call(t,n[e],e);return u}throw new TypeError("Input must be an Array or Object type")}function A(n,r){return n.filter(b.bind(null,r))}function I(n,r){var t=[];return nn.apply(t,n),nn.apply(t,r.filter($.bind(null,n))),t}function S(n,r){e(f(n),"Input must be an Array");var t=[],u=function(n,r){for(var e=0,i=n.length;i>e;e++)f(n[e])&&(r>0||0>r)?u(n[e],Math.max(-1,r-1)):nn.call(t,n[e])};return u(n,r||-1),t}function M(n,r){if(n===r)return!0;var t=_(n);if(t!==_(r))return!1;if("number"===t&&isNaN(n)&&isNaN(r))return!0;if(["date","regexp"].includes(t))return n.toString()===r.toString();if("array"===t){if(n.length===r.length&&0===n.length)return!0;if(n.length!==r.length)return!1;for(var e=0,u=n.length;u>e;e++)if(!M(n[e],r[e]))return!1}else{if(![n,r].every(s))return!1;var i=Object.keys(n),o=Object.keys(r);if(i.length!==o.length)return!1;if(i.sort(),o.sort(),!M(i,o))return!1;for(var e=0,c=i.length;c>e;e++){var l=i[e];if(!M(n[l],r[l]))return!1}}return!0}function q(n){var r={},t=[];return n.forEach(function(n){var e=z(n);E(r,e)||(t.push(n),r[e]=0)}),t}function C(n,r){return n[r]}function N(n,r,t){for(var e=r.split("."),u=n,i=0;i<e.length;i++){var o=v(e[i].match(/^\d+$/));if(o&&f(u)){if(t===!0&&0===i)return u;u=u.map(function(n){return N(n,e[i],!0)}),1===u.length&&(u=u[0])}else u=C(u,e[i]),t=!1;if(y(u))break}return u}function Q(n,e){if(!y(n)){var i,o=e.split("."),c=o[0],l=1===o.length||o.slice(1).join("."),a=null!==c.match(/^\d+$/);try{if(1===o.length)if(f(n))a?(i=C(n,c),u(i),i=[i]):(i=[],n.forEach(function(n){var r=Q(n,e);y(r)||i.push(r)}),t(i.length>0));else{var s=C(n,c);u(s),i={},i[c]=s}else if(f(n))a?(i=C(n,c),i=Q(i,l),u(i),i=[i]):(i=[],n.forEach(function(n){var r=Q(n,e);y(r)||i.push(r)}),t(i.length>0));else{var s=C(n,c);s=Q(s,l),u(s),i={},i[c]=s}}catch(h){i=r}return i}}function T(n,r,t){var e=r.split("."),u=e[0],i=1===e.length||e.slice(1).join("."),o=/^\d+$/.test(u);1===e.length?t(n,u):f(n)&&!o?n.forEach(function(n){T(n,r,t)}):T(n[u],i,t)}function P(n,r,t){T(n,r,function(n,r){n[r]=t})}function D(n,r){T(n,r,function(n,r){f(n)&&/^\d+$/.test(r)?n.splice(parseInt(r),1):s(n)&&delete n[r]})}function U(n){switch(_(n)){case"array":return n.map(function(n){return U(n)});case"object":return x(n,function(n,r){return U(n)});default:return n}}function F(n){for(var r=0;r<Sn.length;r++)if(Sn[r](n))return!0;return!1}function R(n){return F(n)||!h(n)}function Y(n){if(R(n))return d(n)?{$regex:n}:{$eq:n};if(h(n)){var r=Object.keys(n),t=0===A(B(jn),r).length;if(t)return{$eq:n};if(r.includes("$regex")){var e=n.$regex,u=n.$options||"",i="";l(e)&&(i+=e.ignoreCase||u.indexOf("i")>=0?"i":"",i+=e.multiline||u.indexOf("m")>=0?"m":"",i+=e.global||u.indexOf("g")>=0?"g":"",e=new RegExp(e,i)),n.$regex=e,delete n.$options}}return n}function L(n,r){return new Array(Math.max(r-String(n).length+1,0)).join("0")+n}function B(n){return Object.keys(An[n])}function J(n,r,e){for(var u,i,o,c={},l=[],a=n.length,f=0;a>f;f++)i=n[f],u=r.call(e,i,f),o=z(i),E(c,o)||(c[o]=[u,f]),l.push(U(i));return l.sort(function(n,r){var t=c[z(n)],e=c[z(r)];return t[0]<e[0]?-1:t[0]>e[0]?1:t[1]<e[1]?-1:t[1]>e[1]?1:0}),t(l.length===n.length,"sortBy must retain collection length"),l}function G(n,r,e){var u={keys:[],groups:[]},i={};return n.forEach(function(n){var t=r.call(e,n),o=z(t),c=-1;y(i[o])&&(c=u.keys.length,i[o]=c,u.keys.push(t),u.groups.push([])),c=i[o],u.groups[c].push(n)}),t(u.keys.length===u.groups.length,"Cardinality must be equal for groups and keys"),u}function H(n){return JSON.stringify({"":n})+_(n)+n}function z(n){var r,t,e,u=0,i=H(n);if(0===i.length)return u;for(r=0,e=i.length;e>r;r++)t=i.charCodeAt(r),u=(u<<5)-u+t,u|=0;return u.toString()}function V(n,t,e){if(B(_n).includes(t))return sn[t](n,e);if(s(e)){var u={};for(var i in e)if(E(e,i)&&(u[i]=V(n,i,e[i]),B(_n).includes(i))){if(u=u[i],Object.keys(e).length>1)throw new Error("Invalid $group expression '"+JSON.stringify(e)+"'");break}return u}return r}function W(n,r,e){if(B(En).includes(e))return On[e](n,r);if(l(r)&&r.length>0&&"$"===r[0])return N(n,r.slice(1));switch(_(r)){case"array":return r.map(function(r){return W(n,r,null)});case"object":var u={};for(var i in r)if(E(r,i)&&(u[i]=W(n,r[i],i),B(En).includes(i))){t(1===Object.keys(r).length,"Invalid aggregation expression '"+JSON.stringify(r)+"'"),u=u[i];break}return u;default:return U(r)}}var K,X={};X.VERSION="0.8.1",null!==n&&(K=n.Mingo),X.noConflict=function(){return n.Mingo=K,X};var Z=r!==module&&r!==require;Z?module!==r&&(module.exports=X):n.Mingo=X;var nn=Array.prototype.push,rn=Array.prototype.slice;!function(){Function.prototype.bind||(Function.prototype.bind=function(n){if("function"!=typeof this)throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");var r=rn.call(arguments,1),t=this,e=function(){},u=function(){return t.apply(this instanceof e?this:n,r.concat(rn.call(arguments)))};return this.prototype&&(e.prototype=this.prototype),u.prototype=new e,u}),Array.prototype.includes||(Array.prototype.includes=function(n){if(null===this)throw new TypeError("Array.prototype.includes called on null or undefined");var r=Object(this),t=parseInt(r.length,10)||0;if(0===t)return!1;var e,u=parseInt(arguments[1],10)||0;u>=0?e=u:(e=t+u,0>e&&(e=0));for(var i;t>e;){if(i=r[e],n===i||n!==n&&i!==i)return!0;e++}return!1}),Array.prototype.find||(Array.prototype.find=function(n){if(null===this)throw new TypeError("Array.prototype.find called on null or undefined");if(!g(n))throw new TypeError("predicate must be a function");for(var t,e=Object(this),u=e.length>>>0,i=arguments[1],o=0;u>o;o++)if(t=e[o],n.call(i,t,o,e))return t;return r}),Array.prototype.findIndex||Object.defineProperty(Array.prototype,"findIndex",{value:function(n){if(null==this)throw new TypeError("Array.prototype.findIndex called on null or undefined");if("function"!=typeof n)throw new TypeError("predicate must be a function");for(var r,t=Object(this),e=t.length>>>0,u=arguments[1],i=0;e>i;i++)if(r=t[i],n.call(u,r,i,t))return i;return-1},enumerable:!1,configurable:!1,writable:!1}),Object.keys||(Object.keys=function(n){i(n,"Object.keys called on a non-object");var r=[];for(var t in n)E(n,t)&&r.push(t);return r}),Object.values||(Object.values=function(n){i(n,"Object.values called on a non-object");var r=[];for(var t in n)E(n,t)&&r.push(n[t]);return r}),Object.assign||(Object.assign=function(n){if(v(n)||y(n))throw new TypeError("Cannot convert undefined or null to object");for(var r=Object(n),t=1;t<arguments.length;t++){var e=arguments[t];if(!y(e)&&!v(e))for(var u in e)E(e,u)&&(r[u]=e[u])}return r})}();var tn={key:"_id"};if(X._internal=function(){return{assert:t.bind(null),each:k.bind(null),falsey:w.bind(null),flatten:S.bind(null),groupBy:G.bind(null),has:E.bind(null),inArray:b.bind(null),intersection:A.bind(null),isArray:f.bind(null),isBoolean:c.bind(null),isDate:p.bind(null),isEmpty:O.bind(null),isEqual:M.bind(null),isFunction:g.bind(null),isNull:v.bind(null),isNumber:a.bind(null),isObject:s.bind(null),isObjectLike:h.bind(null),isRegExp:d.bind(null),isString:l.bind(null),isUndefined:y.bind(null),map:x.bind(null),notInArray:$.bind(null),sortBy:J.bind(null),truthy:m.bind(null),union:I.bind(null),unique:q.bind(null)}},X.setup=function(n){Object.assign(tn,n||{})},X.Query=function(n,r){return this instanceof X.Query?(this._criteria=n,this._projection=r,this._compiled=[],void this._compile()):new X.Query(n,r)},X.Query.prototype={_compile:function(){if(!O(this._criteria)){e(s(this._criteria),"Criteria must be of type Object");for(var n in this._criteria)if(E(this._criteria,n)){var r=this._criteria[n];if(["$and","$or","$nor","$where"].includes(n))this._processOperator(n,n,r);else{r=Y(r);for(var t in r)E(r,t)&&this._processOperator(n,t,r[t])}}}},_processOperator:function(n,r,t){if(!B(jn).includes(r))throw new Error("Invalid query operator '"+r+"' detected");this._compiled.push(cn[r](n,t))},test:function(n){for(var r=0;r<this._compiled.length;r++)if(!this._compiled[r].test(n))return!1;return!0},find:function(n,r){return new X.Cursor(n,this,r)},remove:function(n){for(var r=[],t=0;t<n.length;t++)this.test(n[t])||r.push(n[t]);return r}},Z){var en=require("stream").Transform,un=require("util");X.Query.prototype.stream=function(n){return new X.Stream(this,n)},X.Stream=function(n,r){return this instanceof X.Stream?(r=r||{},Object.assign(r,{objectMode:!0}),en.call(this,r),void(this._query=n)):new X.Stream(n,r)},un.inherits(X.Stream,en),X.Stream.prototype._transform=function(n,r,t){if(s(n)&&this._query.test(n))if(O(this._query._projection))this.push(n);else{var e=new X.Cursor([n],this._query);e.hasNext()&&this.push(e.next())}t()}}X.Cursor=function(n,r,t){return this instanceof X.Cursor?(this._query=r,this._collection=n,this._projection=t||r._projection,this._operators={},this._result=!1,void(this._position=0)):new X.Cursor(n,r,t)},X.Cursor.prototype={_fetch:function(){var n=this;if(this._result!==!1)return this._result;if(s(this._projection)&&Object.assign(this._operators,{$project:this._projection}),!f(this._collection))throw new Error("Input collection is not of valid type. Must be an Array.");this._result=this._collection.filter(this._query.test,this._query);var r=[];if(["$sort","$skip","$limit","$project"].forEach(function(t){if(E(n._operators,t)){var e={};e[t]=n._operators[t],r.push(e)}}),r.length>0){var t=new X.Aggregator(r);this._result=t.run(this._result,this._query)}return this._result},all:function(){return this._fetch()},first:function(){return this.count()>0?this._fetch()[0]:null},last:function(){return this.count()>0?this._fetch()[this.count()-1]:null},count:function(){return this._fetch().length},skip:function(n){return Object.assign(this._operators,{$skip:n}),this},limit:function(n){return Object.assign(this._operators,{$limit:n}),this},sort:function(n){return Object.assign(this._operators,{$sort:n}),this},next:function(){return this.hasNext()?this._fetch()[this._position++]:null},hasNext:function(){return this.count()>this._position},max:function(n){return sn.$max(this._fetch(),n)},min:function(n){return sn.$min(this._fetch(),n)},map:function(n){return this._fetch().map(n)},forEach:function(n){this._fetch().forEach(n)}},X.Aggregator=function(n){return this instanceof X.Aggregator?void(this._operators=n):new X.Aggregator(n)},X.Aggregator.prototype={run:function(n,r){if(!O(this._operators))for(var t=0;t<this._operators.length;t++){var e=this._operators[t],u=Object.keys(e);if(1!==u.length||!B(kn).includes(u[0]))throw new Error("Invalid aggregation operator '"+u+"'");u=u[0],n=r instanceof X.Query?on[u].call(r,n,e[u]):on[u](n,e[u])}return n}},X.find=function(n,r,t){return new X.Query(r).find(n,t)},X.remove=function(n,r){return new X.Query(r).remove(n)},X.aggregate=function(n,r){if(!f(r))throw new Error("Aggregation pipeline must be an array");return new X.Aggregator(r).run(n)},X.addOperators=function(n,r){var e=r({resolve:N,computeValue:W,ops:B,key:function(){return tn.key}});t([En,_n,kn,xn,jn].includes(n),"Could not identify type '"+n+"'");var u=B(n);Object.keys(e).forEach(function(r){t(/^\$\w+$/.test(r),"Invalid operator name '"+r+"'"),t(!u.includes(r),"Operator "+r+" is already defined for "+n+" operators")});var i={};switch(n){case jn:Object.keys(e).forEach(function(n){i[n]=function(r,t){return function(e,u){return{test:function(i){var o=N(i,e),l=r.call(t,e,o,u);if(c(l))return l;if(l instanceof X.Query)return l.test(i);throw new Error("Invalid return type for '"+n+"'. Must return a Boolean or Mingo.Query")}}}}(e[n],e)});break;case xn:Object.keys(e).forEach(function(n){i[n]=function(n,r){return function(t,e,u){var i=N(t,u);return n.call(r,u,i,e)}}(e[n],e)});break;default:Object.keys(e).forEach(function(n){i[n]=function(n,r){return function(){var t=rn.call(arguments);return n.apply(r,t)}}(e[n],e)})}Object.assign(An[n],i)},X.CollectionMixin={query:function(n,r){return X.find(this.toJSON(),n,r)},aggregate:function(n){return X.aggregate.call(null,this.toJSON(),n)}};var on={$group:function(n,r){var t=r[tn.key],e=G(n,function(n){return W(n,t,t)}),u=[];return delete r[tn.key],e.keys.forEach(function(n,t){var i={};y(n)||(i[tn.key]=n);for(var o in r)E(r,o)&&(i[o]=V(e.groups[t],o,r[o]));u.push(i)}),u},$match:function(n,r){return new X.Query(r).find(n).all()},$project:function(n,r){if(O(r))return n;for(var e=[],u=Object.keys(r),i=!1,o=[!1,!1],c=0;c<u.length;c++){var a=u[c],f=r[a];a!==tn.key&&(0===f||f===!1?o[0]=!0:o[1]=!0,t(o[0]!==o[1],"Projection cannot have a mix of inclusion and exclusion."))}if(u.includes(tn.key)){var h=r[tn.key];0!==h&&h!==!1||(u=u.filter($.bind(null,[tn.key])),t(!u.includes(tn.key),"Must not contain collections _id"),i=O(u))}else u.push(tn.key);for(var c=0;c<n.length;c++){var p=n[c],d={},g=!1,v=!1,b=[];i&&b.push(tn.key),u.forEach(function(n){var t,e,u=r[n];if(n!==tn.key&&0===u&&(v=!0),n===tn.key&&O(u))t=p[n];else if(l(u))t=W(p,u,n);else if(1===u||u===!0);else{if(!s(u))return void b.push(n);var i=Object.keys(u);i=i.length>1?!1:i[0],i!==!1&&B(xn).includes(i)?(t=fn[i](p,u[i],n),"$slice"===i&&(g=!0)):t=W(p,u,n)}t=U(t),e=U(Q(p,n)),y(e)?y(t)||(d[n]=t):(y(t)||P(e,n,t),Object.assign(d,e))}),(g||v||i)&&(d=Object.assign(U(p),d),b.forEach(function(n){D(d,n)})),e.push(d)}return e},$limit:function(n,r){return n.slice(0,r)},$skip:function(n,r){return n.slice(r)},$unwind:function(n,r){for(var t=[],e=r.substr(1),u=0;u<n.length;u++){var i=n[u],o=C(i,e);if(!f(o))throw new Error("Target field '"+e+"' is not of type Array.");o.forEach(function(n){var r=U(i);r[e]=n,t.push(r)})}return t},$sort:function(n,r){if(!O(r)&&s(r)){var t=Object.keys(r);t.reverse().forEach(function(t){var e=G(n,function(n){return N(n,t)}),u={},i=function(n){return u[z(n)]},o=J(e.keys,function(n,r){return u[z(n)]=r,n});-1===r[t]&&o.reverse(),n=[],o.forEach(function(r){nn.apply(n,e.groups[i(r)])})})}return n}},cn={},ln={$and:function(n,r){e(f(r),"Invalid expression: $and expects value to be an Array");var t=[];return r.forEach(function(n){t.push(new X.Query(n))}),{test:function(n){for(var r=0;r<t.length;r++)if(!t[r].test(n))return!1;return!0}}},$or:function(n,r){if(!f(r))throw new Error("Invalid expression for $or criteria");var t=[];return r.forEach(function(n){t.push(new X.Query(n))}),{test:function(n){for(var r=0;r<t.length;r++)if(t[r].test(n))return!0;return!1}}},$nor:function(n,r){if(!f(r))throw new Error("Invalid expression for $nor criteria");var t=this.$or("$or",r);return{test:function(n){return!t.test(n)}}},$not:function(n,r){var t={};t[n]=Y(r);var e=new X.Query(t);return{test:function(n){return!e.test(n)}}},$where:function(n,r){return g(r)||(r=new Function("return "+r+";")),{test:function(n){return r.call(n)===!0}}}};Object.assign(cn,ln);var an={$eq:function(n,r){return M(n,r)||f(n)&&-1!==n.findIndex(M.bind(null,r))},$ne:function(n,r){return!this.$eq(n,r)},$in:function(n,r){return n=j(n),A(n,r).length>0},$nin:function(n,r){return y(n)||!this.$in(n,r)},$lt:function(n,t){return n=j(n).find(function(n){return t>n}),n!==r},$lte:function(n,t){return n=j(n).find(function(n){return t>=n}),n!==r},$gt:function(n,t){return n=j(n).find(function(n){return n>t}),n!==r},$gte:function(n,t){return n=j(n).find(function(n){return n>=t}),n!==r},$mod:function(n,t){return n=j(n).find(function(n){return a(n)&&f(t)&&2===t.length&&n%t[0]===t[1]}),n!==r},$regex:function(n,t){return n=j(n).find(function(n){return l(n)&&d(t)&&!!n.match(t)}),n!==r},$exists:function(n,r){return r===!1&&y(n)||r===!0&&!y(n)},$all:function(n,r){var t=this,e=!1;if(f(n)&&f(r))for(var u=0;u<r.length;u++){if(!s(r[u])||!Object.keys(r[u]).includes("$elemMatch"))return A(r,n).length===r.length;e=e||t.$elemMatch(n,r[u].$elemMatch)}return e},$size:function(n,r){return f(n)&&a(r)&&n.length===r},$elemMatch:function(n,r){if(f(n)&&!O(n))for(var t=new X.Query(r),e=0;e<n.length;e++)if(t.test(n[e]))return!0;return!1},$type:function(n,r){switch(r){case 1:return a(n)&&-1!==(n+"").indexOf(".");case 2:case 5:return l(n);case 3:return s(n);case 4:return f(n);case 8:return c(n);case 9:return p(n);case 10:return v(n);case 11:return d(n);case 16:return a(n)&&2147483647>=n&&-1===(n+"").indexOf(".");case 18:return a(n)&&n>2147483647&&0x8000000000000000>=n&&-1===(n+"").indexOf(".");default:return!1}}};Object.keys(an).forEach(function(n){cn[n]=function(n,r){return function(t,e){return{test:function(u){var i=N(u,t);return n.call(r,i,e)}}}}(an[n],an)});var fn={$:function(n,r,t){throw new Error("$ not implemented")},$elemMatch:function(n,t,e){var u=N(n,e),i=new X.Query(t);if(y(u)||!f(u))return r;for(var o=0;o<u.length;o++)if(i.test(u[o]))return[u[o]];return r},$slice:function(n,r,t){var e=N(n,t);if(!f(e))return e;if(f(r)){var u=r[0]<0?e.length+r[0]:r,i=u+r[1];r=[u,i]}else{if(!a(r))throw new Error("Invalid type for $slice operator");r=0>r?[r]:[0,r]}return rn.apply(e,r)}},sn={$addToSet:function(n,r){var t=n.map(function(n){return W(n,r,null)});return q(t)},$sum:function(n,r){return f(n)?a(r)?n.length*r:n.reduce(function(n,t){var e=W(t,r,null);return a(e)?n+e:n},0):0},$max:function(n,r){var t,e=n.map(function(n){return W(n,r,null)});return e.length>0&&(t=e[0],e.forEach(function(n){n>t&&(t=n)})),t},$min:function(n,r){var t,e=n.map(function(n){return W(n,r,null)});return e.length>0&&(t=e[0],e.forEach(function(n){t>n&&(t=n)})),t},$avg:function(n,r){return this.$sum(n,r)/(n.length||1)},$push:function(n,r){return n.map(function(n){return W(n,r,null)})},$first:function(n,t){return n.length>0?W(n[0],t):r},$last:function(n,t){return n.length>0?W(n[n.length-1],t):r}},hn={$add:function(n,r){var t=W(n,r,null);return t.reduce(function(n,r){return n+r},0)},$subtract:function(n,r){var t=W(n,r,null);return t[0]-t[1]},$divide:function(n,r){var t=W(n,r,null);return t[0]/t[1]},$multiply:function(n,r){var t=W(n,r,null);return t.reduce(function(n,r){return n*r},1)},$mod:function(n,r){var t=W(n,r,null);return t[0]%t[1]}},pn={$concat:function(n,t){var e=W(n,t,null);return[null,r].some(b.bind(null,e))?null:e.join("")},$strcasecmp:function(n,r){var t=W(n,r,null);return t[0]=O(t[0])?"":t[0].toUpperCase(),t[1]=O(t[1])?"":t[1].toUpperCase(),t[0]>t[1]?1:t[0]<t[1]?-1:0},$substr:function(n,r){var t=W(n,r,null);return l(t[0])?t[1]<0?"":t[2]<0?t[0].substr(t[1]):t[0].substr(t[1],t[2]):""},$toLower:function(n,r){var t=W(n,r,null);return O(t)?"":t.toLowerCase()},$toUpper:function(n,r){var t=W(n,r,null);return O(t)?"":t.toUpperCase()}},dn={$dayOfYear:function(n,t){var e=W(n,t,null);if(p(e)){var u=new Date(e.getFullYear(),0,0),i=e-u,o=864e5;return Math.round(i/o)}return r},$dayOfMonth:function(n,t){var e=W(n,t,null);return p(e)?e.getDate():r},$dayOfWeek:function(n,t){var e=W(n,t,null);return p(e)?e.getDay()+1:r},$year:function(n,t){var e=W(n,t,null);return p(e)?e.getFullYear():r},$month:function(n,t){var e=W(n,t,null);return p(e)?e.getMonth()+1:r},$week:function(n,r){var t=W(n,r,null);t=new Date(+t),t.setHours(0,0,0),t.setDate(t.getDate()+4-(t.getDay()||7));var e=new Date(t.getFullYear(),0,1);return Math.floor(((t-e)/864e5+1)/7)},$hour:function(n,t){var e=W(n,t,null);return p(e)?e.getHours():r},$minute:function(n,t){var e=W(n,t,null);return p(e)?e.getMinutes():r},$second:function(n,t){var e=W(n,t,null);return p(e)?e.getSeconds():r},$millisecond:function(n,t){var e=W(n,t,null);return p(e)?e.getMilliseconds():r},$dateToString:function(n,r){for(var t=r.format,e=W(n,r.date,null),u=t.match(/(%%|%Y|%m|%d|%H|%M|%S|%L|%j|%w|%U)/g),i=0,o=u.length;o>i;i++){var c=In[u[i]],l=c;if(f(c)){var a=this[c[0]],s=c[1];l=L(a.call(this,n,e),s)}t=t.replace(u[i],l)}return t}},gn={$setEquals:function(n,r){var t=W(n,r,null),e=q(t[0]),u=q(t[1]);return e.length===u.length&&e.length===A(e,u).length},$setIntersection:function(n,r){var t=W(n,r,null);return A(t[0],t[1])},$setDifference:function(n,r){var t=W(n,r,null);return t[0].filter($.bind(null,t[1]))},$setUnion:function(n,r){var t=W(n,r,null);return I(t[0],t[1])},$setIsSubset:function(n,r){var t=W(n,r,null);return A(t[0],t[1]).length===t[0].length},$anyElementTrue:function(n,r){var t=W(n,r,null)[0];return t.some(m)},$allElementsTrue:function(n,r){var t=W(n,r,null)[0];return t.every(m)}},vn={$cond:function(n,r){var t,e,u;if(f(r)){if(3!=r.length)throw new Error("Invalid arguments for $cond operator");t=r[0],e=r[1],u=r[2]}else s(r)&&(t=r["if"],e=r.then,u=r["else"]);var i=W(n,t,null);return i?W(n,e,null):W(n,u,null)},$ifNull:function(n,e){t(!f(e)||2!=e.length,"Invalid arguments for $ifNull operator");var u=W(n,e,null);return null===u[0]||u[0]===r?u[1]:u[0]}},yn={$cmp:function(n,r){var t=W(n,r,null);return t[0]>t[1]?1:t[0]<t[1]?-1:0}};["$eq","$ne","$gt","$gte","$lt","$lte"].forEach(function(n){yn[n]=function(r,t){var e=W(r,t,null);return an[n](e[0],e[1])}});var $n={$size:function(n,t){var e=W(n,t,null);return f(e)?e.length:r}},bn={$literal:function(n,r){return r}},mn={$map:function(n,r){var t=W(n,r.input,null);if(!f(t))throw new Error("Input expression for $map must resolve to an array");var e=r.as,u=r["in"],i="$"+e,o=n[i];return t.map(function(r){n[i]=r;var t=W(n,u,null);return y(o)?delete n[i]:n[i]=o,t})},$let:function(n,r){var t=r.vars,e=r["in"],u={},i=Object.keys(t);i.forEach(function(r){var e=W(n,t[r],null),i="$"+r;u[i]=n[i],n[i]=e});var o=W(n,e,null);return i.forEach(function(r){var t="$"+r;y(u[t])?delete n[t]:n[t]=u[t]}),o}},wn={$and:function(n,r){var t=W(n,r,null);return m(t)&&t.every(m)},$or:function(n,r){var t=W(n,r,null);return m(t)&&t.some(m)},$not:function(n,r){return!W(n,r[0],null)}},On=Object.assign({},$n,hn,wn,yn,vn,dn,bn,gn,pn,mn),jn=X.OP_QUERY="query",_n=X.OP_GROUP="group",En=X.OP_AGGREGATE="aggregate",kn=X.OP_PIPELINE="pipeline",xn=X.OP_PROJECTION="projection",An={aggregate:On,group:sn,pipeline:on,projection:fn,query:cn},In={"%Y":["$year",4],"%m":["$month",2],"%d":["$dayOfMonth",2],"%H":["$hour",2],"%M":["$minute",2],"%S":["$second",2],"%L":["$millisecond",3],"%j":["$dayOfYear",3],"%w":["$dayOfWeek",1],"%U":["$week",2],"%%":"%"},Sn=[l,c,a,p,v,d,y]}(this);
 //# sourceMappingURL=dist/mingo.min.map

package.json

 {
   "name": "mingo",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "JavaScript implementation of MongoDB query language",
@@ -5,0 +5,0 @@ "main": "mingo.js",

New alerts

Dynamic require

Supply chain risk

Dynamic require can indicate the package is performing dangerous or unsafe dynamic code execution.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

155219

increased by1.33%

Lines of code

2638

increased by0.69%

Worsened metrics

Number of low supply chain risk alerts

2

increased byInfinity%

No dependency changes