The JavaScript Database, for Node.js, nw.js, electron and the browser
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
nedb/browser-version/test/async.js

2 lines
12 KiB

!function(){function n(){}function t(n){return n}function e(n){return!!n}function r(n){return!n}function u(n){return function(){if(null===n)throw new Error("Callback was already called.");n.apply(this,arguments),n=null}}function i(n){return function(){null!==n&&(n.apply(this,arguments),n=null)}}function o(n){return M(n)||"number"==typeof n.length&&n.length>=0&&n.length%1===0}function c(n,t){for(var e=-1,r=n.length;++e<r;)t(n[e],e,n)}function a(n,t){for(var e=-1,r=n.length,u=Array(r);++e<r;)u[e]=t(n[e],e,n);return u}function f(n){return a(Array(n),function(n,t){return t})}function l(n,t,e){return c(n,function(n,r,u){e=t(e,n,r,u)}),e}function s(n,t){c(W(n),function(e){t(n[e],e)})}function p(n,t){for(var e=0;e<n.length;e++)if(n[e]===t)return e;return-1}function h(n){var t,e,r=-1;return o(n)?(t=n.length,function(){return r++,t>r?r:null}):(e=W(n),t=e.length,function(){return r++,t>r?e[r]:null})}function m(n,t){return t=null==t?n.length-1:+t,function(){for(var e=Math.max(arguments.length-t,0),r=Array(e),u=0;e>u;u++)r[u]=arguments[u+t];switch(t){case 0:return n.call(this,r);case 1:return n.call(this,arguments[0],r)}}}function y(n){return function(t,e,r){return n(t,r)}}function v(t){return function(e,r,o){o=i(o||n),e=e||[];var c=h(e);if(0>=t)return o(null);var a=!1,f=0,l=!1;!function s(){if(a&&0>=f)return o(null);for(;t>f&&!l;){var n=c();if(null===n)return a=!0,void(0>=f&&o(null));f+=1,r(e[n],n,u(function(n){f-=1,n?(o(n),l=!0):s()}))}}()}}function d(n){return function(t,e,r){return n(C.eachOf,t,e,r)}}function g(n){return function(t,e,r,u){return n(v(e),t,r,u)}}function k(n){return function(t,e,r){return n(C.eachOfSeries,t,e,r)}}function b(t,e,r,u){u=i(u||n),e=e||[];var c=o(e)?[]:{};t(e,function(n,t,e){r(n,function(n,r){c[t]=r,e(n)})},function(n){u(n,c)})}function w(n,t,e,r){var u=[];n(t,function(n,t,r){e(n,function(e){e&&u.push({index:t,value:n}),r()})},function(){r(a(u.sort(function(n,t){return n.index-t.index}),function(n){return n.value}))})}function O(n,t,e,r){w(n,t,function(n,t){e(n,function(n){t(!n)})},r)}function S(n,t,e){return function(r,u,i,o){function c(){o&&o(e(!1,void 0))}function a(n,r,u){return o?void i(n,function(r){o&&t(r)&&(o(e(!0,n)),o=i=!1),u()}):u()}arguments.length>3?n(r,u,a,c):(o=i,i=u,n(r,a,c))}}function E(n,t){return t}function L(t,e,r){r=r||n;var u=o(e)?[]:{};t(e,function(n,t,e){n(m(function(n,r){r.length<=1&&(r=r[0]),u[t]=r,e(n)}))},function(n){r(n,u)})}function I(n,t,e,r){var u=[];n(t,function(n,t,r){e(n,function(n,t){u=u.concat(t||[]),r(n)})},function(n){r(n,u)})}function x(t,e,r){function i(t,e,r,u){if(null!=u&&"function"!=typeof u)throw new Error("task callback must be a function");return t.started=!0,M(e)||(e=[e]),0===e.length&&t.idle()?C.setImmediate(function(){t.drain()}):(c(e,function(e){var i={data:e,callback:u||n};r?t.tasks.unshift(i):t.tasks.push(i),t.tasks.length===t.concurrency&&t.saturated()}),void C.setImmediate(t.process))}function o(n,t){return function(){f-=1;var e=!1,r=arguments;c(t,function(n){c(l,function(t,r){t!==n||e||(l.splice(r,1),e=!0)}),n.callback.apply(n,r)}),n.tasks.length+f===0&&n.drain(),n.process()}}if(null==e)e=1;else if(0===e)throw new Error("Concurrency must not be zero");var f=0,l=[],s={tasks:[],concurrency:e,payload:r,saturated:n,empty:n,drain:n,started:!1,paused:!1,push:function(n,t){i(s,n,!1,t)},kill:function(){s.drain=n,s.tasks=[]},unshift:function(n,t){i(s,n,!0,t)},process:function(){if(!s.paused&&f<s.concurrency&&s.tasks.length)for(;f<s.concurrency&&s.tasks.length;){var n=s.payload?s.tasks.splice(0,s.payload):s.tasks.splice(0,s.tasks.length),e=a(n,function(n){return n.data});0===s.tasks.length&&s.empty(),f+=1,l.push(n[0]);var r=u(o(s,n));t(e,r)}},length:function(){return s.tasks.length},running:function(){return f},workersList:function(){return l},idle:function(){return s.tasks.length+f===0},pause:function(){s.paused=!0},resume:function(){if(s.paused!==!1){s.paused=!1;for(var n=Math.min(s.concurrency,s.tasks.length),t=1;n>=t;t++)C.setImmediate(s.process)}}};return s}function j(n){return m(function(t,e){t.apply(null,e.concat([m(function(t,e){"object"==typeof console&&(t?console.error&&console.error(t):console[n]&&c(e,function(t){console[n](t)}))})]))})}function A(n){return function(t,e,r){n(f(t),e,r)}}function T(n){return m(function(t,e){var r=m(function(e){var r=this,u=e.pop();return n(t,function(n,t,u){n.apply(r,e.concat([u]))},u)});return e.length?r.apply(this,e):r})}function z(n){return m(function(t){var e=t.pop();t.push(function(){var n=arguments;r?C.setImmediate(function(){e.apply(null,n)}):e.apply(null,n)});var r=!0;n.apply(this,t),r=!1})}var q,C={},P="object"==typeof self&&self.self===self&&self||"object"==typeof global&&global.global===global&&global||this;null!=P&&(q=P.async),C.noConflict=function(){return P.async=q,C};var H=Object.prototype.toString,M=Array.isArray||function(n){return"[object Array]"===H.call(n)},U=function(n){var t=typeof n;return"function"===t||"object"===t&&!!n},W=Object.keys||function(n){var t=[];for(var e in n)n.hasOwnProperty(e)&&t.push(e);return t},B="function"==typeof setImmediate&&setImmediate,D=B?function(n){B(n)}:function(n){setTimeout(n,0)};"object"==typeof process&&"function"==typeof process.nextTick?C.nextTick=process.nextTick:C.nextTick=D,C.setImmediate=B?D:C.nextTick,C.forEach=C.each=function(n,t,e){return C.eachOf(n,y(t),e)},C.forEachSeries=C.eachSeries=function(n,t,e){return C.eachOfSeries(n,y(t),e)},C.forEachLimit=C.eachLimit=function(n,t,e,r){return v(t)(n,y(e),r)},C.forEachOf=C.eachOf=function(t,e,r){function o(n){f--,n?r(n):null===c&&0>=f&&r(null)}r=i(r||n),t=t||[];for(var c,a=h(t),f=0;null!=(c=a());)f+=1,e(t[c],c,u(o));0===f&&r(null)},C.forEachOfSeries=C.eachOfSeries=function(t,e,r){function o(){var n=!0;return null===a?r(null):(e(t[a],a,u(function(t){if(t)r(t);else{if(a=c(),null===a)return r(null);n?C.setImmediate(o):o()}})),void(n=!1))}r=i(r||n),t=t||[];var c=h(t),a=c();o()},C.forEachOfLimit=C.eachOfLimit=function(n,t,e,r){v(t)(n,e,r)},C.map=d(b),C.mapSeries=k(b),C.mapLimit=g(b),C.inject=C.foldl=C.reduce=function(n,t,e,r){C.eachOfSeries(n,function(n,r,u){e(t,n,function(n,e){t=e,u(n)})},function(n){r(n,t)})},C.foldr=C.reduceRight=function(n,e,r,u){var i=a(n,t).reverse();C.reduce(i,e,r,u)},C.transform=function(n,t,e,r){3===arguments.length&&(r=e,e=t,t=M(n)?[]:{}),C.eachOf(n,function(n,r,u){e(t,n,r,u)},function(n){r(n,t)})},C.select=C.filter=d(w),C.selectLimit=C.filterLimit=g(w),C.selectSeries=C.filterSeries=k(w),C.reject=d(O),C.rejectLimit=g(O),C.rejectSeries=k(O),C.any=C.some=S(C.eachOf,e,t),C.someLimit=S(C.eachOfLimit,e,t),C.all=C.every=S(C.eachOf,r,r),C.everyLimit=S(C.eachOfLimit,r,r),C.detect=S(C.eachOf,t,E),C.detectSeries=S(C.eachOfSeries,t,E),C.detectLimit=S(C.eachOfLimit,t,E),C.sortBy=function(n,t,e){function r(n,t){var e=n.criteria,r=t.criteria;return r>e?-1:e>r?1:0}C.map(n,function(n,e){t(n,function(t,r){t?e(t):e(null,{value:n,criteria:r})})},function(n,t){return n?e(n):void e(null,a(t.sort(r),function(n){return n.value}))})},C.auto=function(t,e,r){function u(n){d.unshift(n)}function o(n){var t=p(d,n);t>=0&&d.splice(t,1)}function a(){h--,c(d.slice(0),function(n){n()})}r||(r=e,e=null),r=i(r||n);var f=W(t),h=f.length;if(!h)return r(null);e||(e=h);var y={},v=0,d=[];u(function(){h||r(null,y)}),c(f,function(n){function i(){return e>v&&l(g,function(n,t){return n&&y.hasOwnProperty(t)},!0)&&!y.hasOwnProperty(n)}function c(){i()&&(v++,o(c),h[h.length-1](d,y))}for(var f,h=M(t[n])?t[n]:[t[n]],d=m(function(t,e){if(v--,e.length<=1&&(e=e[0]),t){var u={};s(y,function(n,t){u[t]=n}),u[n]=e,r(t,u)}else y[n]=e,C.setImmediate(a)}),g=h.slice(0,h.length-1),k=g.length;k--;){if(!(f=t[g[k]]))throw new Error("Has inexistant dependency");if(M(f)&&p(f,n)>=0)throw new Error("Has cyclic dependencies")}i()?(v++,h[h.length-1](d,y)):u(c)})},C.retry=function(n,t,e){function r(n,t){if("number"==typeof t)n.times=parseInt(t,10)||i;else{if("object"!=typeof t)throw new Error("Unsupported argument type for 'times': "+typeof t);n.times=parseInt(t.times,10)||i,n.interval=parseInt(t.interval,10)||o}}function u(n,t){function e(n,e){return function(r){n(function(n,t){r(!n||e,{err:n,result:t})},t)}}function r(n){return function(t){setTimeout(function(){t(null)},n)}}for(;a.times;){var u=!(a.times-=1);c.push(e(a.task,u)),!u&&a.interval>0&&c.push(r(a.interval))}C.series(c,function(t,e){e=e[e.length-1],(n||a.callback)(e.err,e.result)})}var i=5,o=0,c=[],a={times:i,interval:o},f=arguments.length;if(1>f||f>3)throw new Error("Invalid arguments - must be either (task), (task, callback), (times, task) or (times, task, callback)");return 2>=f&&"function"==typeof n&&(e=t,t=n),"function"!=typeof n&&r(a,n),a.callback=e,a.task=t,a.callback?u():u},C.waterfall=function(t,e){function r(n){return m(function(t,u){if(t)e.apply(null,[t].concat(u));else{var i=n.next();i?u.push(r(i)):u.push(e),z(n).apply(null,u)}})}if(e=i(e||n),!M(t)){var u=new Error("First argument to waterfall must be an array of functions");return e(u)}return t.length?void r(C.iterator(t))():e()},C.parallel=function(n,t){L(C.eachOf,n,t)},C.parallelLimit=function(n,t,e){L(v(t),n,e)},C.series=function(n,t){L(C.eachOfSeries,n,t)},C.iterator=function(n){function t(e){function r(){return n.length&&n[e].apply(null,arguments),r.next()}return r.next=function(){return e<n.length-1?t(e+1):null},r}return t(0)},C.apply=m(function(n,t){return m(function(e){return n.apply(null,t.concat(e))})}),C.concat=d(I),C.concatSeries=k(I),C.whilst=function(t,e,r){if(r=r||n,t()){var u=m(function(n,i){n?r(n):t.apply(this,i)?e(u):r(null)});e(u)}else r(null)},C.doWhilst=function(n,t,e){var r=0;return C.whilst(function(){return++r<=1||t.apply(this,arguments)},n,e)},C.until=function(n,t,e){return C.whilst(function(){return!n.apply(this,arguments)},t,e)},C.doUntil=function(n,t,e){return C.doWhilst(n,function(){return!t.apply(this,arguments)},e)},C.during=function(t,e,r){r=r||n;var u=m(function(n,e){n?r(n):(e.push(i),t.apply(this,e))}),i=function(n,t){n?r(n):t?e(u):r(null)};t(i)},C.doDuring=function(n,t,e){var r=0;C.during(function(n){r++<1?n(null,!0):t.apply(this,arguments)},n,e)},C.queue=function(n,t){var e=x(function(t,e){n(t[0],e)},t,1);return e},C.priorityQueue=function(t,e){function r(n,t){return n.priority-t.priority}function u(n,t,e){for(var r=-1,u=n.length-1;u>r;){var i=r+(u-r+1>>>1);e(t,n[i])>=0?r=i:u=i-1}return r}function i(t,e,i,o){if(null!=o&&"function"!=typeof o)throw new Error("task callback must be a function");return t.started=!0,M(e)||(e=[e]),0===e.length?C.setImmediate(function(){t.drain()}):void c(e,function(e){var c={data:e,priority:i,callback:"function"==typeof o?o:n};t.tasks.splice(u(t.tasks,c,r)+1,0,c),t.tasks.length===t.concurrency&&t.saturated(),C.setImmediate(t.process)})}var o=C.queue(t,e);return o.push=function(n,t,e){i(o,n,t,e)},delete o.unshift,o},C.cargo=function(n,t){return x(n,1,t)},C.log=j("log"),C.dir=j("dir"),C.memoize=function(n,e){var r={},u={};e=e||t;var i=m(function(t){var i=t.pop(),o=e.apply(null,t);o in r?C.setImmediate(function(){i.apply(null,r[o])}):o in u?u[o].push(i):(u[o]=[i],n.apply(null,t.concat([m(function(n){r[o]=n;var t=u[o];delete u[o];for(var e=0,i=t.length;i>e;e++)t[e].apply(null,n)})])))});return i.memo=r,i.unmemoized=n,i},C.unmemoize=function(n){return function(){return(n.unmemoized||n).apply(null,arguments)}},C.times=A(C.map),C.timesSeries=A(C.mapSeries),C.timesLimit=function(n,t,e,r){return C.mapLimit(f(n),t,e,r)},C.seq=function(){var t=arguments;return m(function(e){var r=this,u=e[e.length-1];"function"==typeof u?e.pop():u=n,C.reduce(t,e,function(n,t,e){t.apply(r,n.concat([m(function(n,t){e(n,t)})]))},function(n,t){u.apply(r,[n].concat(t))})})},C.compose=function(){return C.seq.apply(null,Array.prototype.reverse.call(arguments))},C.applyEach=T(C.eachOf),C.applyEachSeries=T(C.eachOfSeries),C.forever=function(t,e){function r(n){return n?i(n):void o(r)}var i=u(e||n),o=z(t);r()},C.ensureAsync=z,C.constant=m(function(n){var t=[null].concat(n);return function(n){return n.apply(this,t)}}),C.wrapSync=C.asyncify=function(n){return m(function(t){var e,r=t.pop();try{e=n.apply(this,t)}catch(u){return r(u)}U(e)&&"function"==typeof e.then?e.then(function(n){r(null,n)})["catch"](function(n){r(n.message?n:new Error(n))}):r(null,e)})},"object"==typeof module&&module.exports?module.exports=C:"function"==typeof define&&define.amd?define([],function(){return C}):P.async=C}();