weaverjs/build/weaver.min.js

Concise and readable multitasking

/*!
Copyright © 2016 Max Franz

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the “Software”), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var n;n="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,n.weaver=e()}}(function(){var define,module,exports;return function e(n,t,r){function i(s,o){if(!t[s]){if(!n[s]){var f="function"==typeof require&&require;if(!o&&f)return f(s,!0);if(a)return a(s,!0);var u=new Error("Cannot find module '"+s+"'");throw u.code="MODULE_NOT_FOUND",u}var l=t[s]={exports:{}};n[s][0].call(l.exports,function(e){var t=n[s][1][e];return i(t?t:e)},l,l.exports,e,n,t,r)}return t[s].exports}for(var a="function"==typeof require&&require,s=0;s<r.length;s++)i(r[s]);return i}({1:[function(e,n,t){"use strict";var r=e("./is"),i=e("./util"),a=e("./promise"),s=e("./event"),o={event:{regex:/(\w+)(\.\w+)?/,optionalTypeRegex:/(\w+)?(\.\w+)?/,falseCallback:function(){return!1}},on:function(e){var n={unbindSelfOnTrigger:!1,unbindAllBindersOnTrigger:!1};return e=i.extend({},n,e),function(n,t,i){var a=this,s=void 0!==a.length,f=s?a:[a],u=r.string(n),l=e;if((r.fn(t)||t===!1)&&(i=t,t=void 0),!r.fn(i)&&i!==!1&&u)return a;if(u){var c={};c[n]=i,n=c}for(var p in n)if(i=n[p],i===!1&&(i=o.event.falseCallback),r.fn(i)){p=p.split(/\s+/);for(var d=0;d<p.length;d++){var v=p[d];if(!r.emptyString(v)){var h=v.match(o.event.regex);if(h)for(var g=h[1],m=h[2]?h[2]:void 0,y={callback:i,data:t,type:g,namespace:m,unbindSelfOnTrigger:l.unbindSelfOnTrigger,unbindAllBindersOnTrigger:l.unbindAllBindersOnTrigger,binders:f},b=0;b<f.length;b++){var _=f[b]._private;_.listeners=_.listeners||[],_.listeners.push(y)}}}}return a}},eventAliasesOn:function(e){var n=e;n.addListener=n.listen=n.bind=n.on,n.removeListener=n.unlisten=n.unbind=n.off,n.emit=n.trigger,n.pon=n.promiseOn=function(e,n){var t=this,r=Array.prototype.slice.call(arguments,0);return new a(function(e,n){var i=function(n){t.off.apply(t,s),e(n)},a=r.concat([i]),s=a.concat([]);t.on.apply(t,a)})}},off:function(e){var n={};return e=i.extend({},n,e),function(e,n){var t=this,i=void 0!==t.length,a=i?t:[t],s=r.string(e);if(0===arguments.length){for(var f=0;f<a.length;f++)a[f]._private.listeners=[];return t}if(s){var u={};u[e]=n,e=u}for(var l in e){n=e[l],n===!1&&(n=o.event.falseCallback),l=l.split(/\s+/);for(var c=0;c<l.length;c++){var p=l[c];if(!r.emptyString(p)){var d=p.match(o.event.optionalTypeRegex);if(d)for(var v=d[1]?d[1]:void 0,h=d[2]?d[2]:void 0,f=0;f<a.length;f++)for(var g=a[f]._private.listeners=a[f]._private.listeners||[],m=0;m<g.length;m++){var y=g[m],b=!h||h===y.namespace,_=!v||y.type===v,w=!n||n===y.callback,j=b&&_&&w;j&&(g.splice(m,1),m--)}}}}return t}},trigger:function(e){var n={};return e=i.extend({},n,e),function(e,n,t){var i=this,a=void 0!==i.length,f=a?i:[i],u=r.string(e),l=r.plainObject(e),c=r.event(e);if(u){var p=e.split(/\s+/);e=[];for(var d=0;d<p.length;d++){var v=p[d];if(!r.emptyString(v)){var h=v.match(o.event.regex),g=h[1],m=h[2]?h[2]:void 0;e.push({type:g,namespace:m})}}}else if(l){var y=e;e=[y]}n?r.array(n)||(n=[n]):n=[];for(var d=0;d<e.length;d++)for(var b=e[d],_=0;_<f.length;_++){var v,w=f[_],j=w._private.listeners=w._private.listeners||[],S=!1;v=c?b:new s(b,{namespace:b.namespace}),t&&(j=[{namespace:v.namespace,type:v.type,callback:t}]);for(var $=0;$<j.length;$++){var x=j[$],q=!x.namespace||x.namespace===v.namespace,O=x.type===v.type,T=!0,A=q&&O&&T;if(A){var P=[v];if(P=P.concat(n),x.data?v.data=x.data:v.data=void 0,(x.unbindSelfOnTrigger||x.unbindAllBindersOnTrigger)&&(j.splice($,1),$--),x.unbindAllBindersOnTrigger)for(var R=x.binders,k=0;k<R.length;k++){var E=R[k];if(E&&E!==w)for(var F=E._private.listeners,M=0;M<F.length;M++){var L=F[M];L===x&&(F.splice(M,1),M--)}}var N=w,D=x.callback.apply(N,P);(D===!1||v.isPropagationStopped())&&(S=!1,D===!1&&(v.stopPropagation(),v.preventDefault()))}}}return i}}};n.exports=o},{"./event":2,"./is":5,"./promise":6,"./util":8}],2:[function(e,n,t){"use strict";function r(){return!1}function i(){return!0}var a=function(e,n){return this instanceof a?(e&&e.type?(this.originalEvent=e,this.type=e.type,this.isDefaultPrevented=e.defaultPrevented?i:r):this.type=e,n&&(this.type=void 0!==n.type?n.type:this.type,this.namespace=n.namespace,this.layout=n.layout,this.data=n.data,this.message=n.message),void(this.timeStamp=e&&e.timeStamp||+new Date)):new a(e,n)};a.prototype={instanceString:function(){return"event"},preventDefault:function(){this.isDefaultPrevented=i;var e=this.originalEvent;e&&e.preventDefault&&e.preventDefault()},stopPropagation:function(){this.isPropagationStopped=i;var e=this.originalEvent;e&&e.stopPropagation&&e.stopPropagation()},stopImmediatePropagation:function(){this.isImmediatePropagationStopped=i,this.stopPropagation()},isDefaultPrevented:r,isPropagationStopped:r,isImmediatePropagationStopped:r},n.exports=a},{}],3:[function(e,n,t){/*! Weaver licensed under MIT (https://tldrlegal.com/license/mit-license), copyright Max Franz */
"use strict";var r=e("./is"),i=e("./util"),a=e("./thread"),s=e("./promise"),o=e("./define"),f=function(n){if(!(this instanceof f))return new f(n);this._private={pass:[]};var t=4;if(r.number(n),"undefined"!=typeof navigator&&null!=navigator.hardwareConcurrency)n=navigator.hardwareConcurrency;else try{n=e("os").cpus().length}catch(i){n=t}for(var s=0;n>s;s++)this[s]=new a;this.length=n},u=f.prototype;i.extend(u,{instanceString:function(){return"fabric"},require:function(e,n){for(var t=0;t<this.length;t++){var r=this[t];r.require(e,n)}return this},random:function(){var e=Math.round((this.length-1)*Math.random()),n=this[e];return n},run:function(e){var n=this._private.pass.shift();return this.random().pass(n).run(e)},message:function(e){return this.random().message(e)},broadcast:function(e){for(var n=0;n<this.length;n++){var t=this[n];t.message(e)}return this},stop:function(){for(var e=0;e<this.length;e++){var n=this[e];n.stop()}return this},pass:function(e){var n=this._private.pass;if(!r.array(e))throw"Only arrays may be used with fabric.pass()";return n.push(e),this},spreadSize:function(){var e=Math.ceil(this._private.pass[0].length/this.length);return e=Math.max(1,e)},spread:function(e){for(var n=this,t=n._private,r=n.spreadSize(),i=t.pass.shift().concat([]),a=[],o=0;o<this.length;o++){var f=this[o],u=i.splice(0,r),l=f.pass(u).run(e);a.push(l);var c=0===i.length;if(c)break}return s.all(a).then(function(e){for(var n=[],t=0,r=0;r<e.length;r++)for(var i=e[r],a=0;a<i.length;a++){var s=i[a];n[t++]=s}return n})},map:function(e){var n=this;return n.require(e,"_$_$_fabmap"),n.spread(function(e){var n=[],t=resolve;resolve=function(e){n.push(e)};for(var r=0;r<e.length;r++){var i=n.length,a=_$_$_fabmap(e[r]),s=i===n.length;s&&n.push(a)}return resolve=t,n})},filter:function(e){var n=this._private,t=n.pass[0];return this.map(e).then(function(e){for(var n=[],r=0;r<t.length;r++){var i=t[r],a=e[r];a&&n.push(i)}return n})},sort:function(e){var n=this,t=this._private.pass[0].length,r=this.spreadSize();return e=e||function(e,n){return n>e?-1:e>n?1:0},n.require(e,"_$_$_cmp"),n.spread(function(e){var n=e.sort(_$_$_cmp);resolve(n)}).then(function(n){for(var i=function(r,i,a){i=Math.min(i,t),a=Math.min(a,t);for(var s=r,o=i,f=[],u=s;a>u;u++){var l=n[r],c=n[i];o>r&&(i>=a||e(l,c)<=0)?(f.push(l),r++):(f.push(c),i++)}for(var u=0;u<f.length;u++){var p=s+u;n[p]=f[u]}},a=r;t>a;a*=2)for(var s=0;t>s;s+=2*a)i(s,s+a,s+2*a);return n})}});var l=function(e){return e=e||{},function(n,t){var r=this._private.pass.shift();return this.random().pass(r)[e.threadFn](n,t)}};i.extend(u,{randomMap:l({threadFn:"map"}),reduce:l({threadFn:"reduce"}),reduceRight:l({threadFn:"reduceRight"})});var c=u;c.promise=c.run,c.terminate=c.halt=c.stop,c.include=c.require,i.extend(u,{on:o.on(),one:o.on({unbindSelfOnTrigger:!0}),off:o.off(),trigger:o.trigger()}),o.eventAliasesOn(u),n.exports=f},{"./define":1,"./is":5,"./promise":6,"./thread":7,"./util":8,os:void 0}],4:[function(e,n,t){"use strict";var r=e("./thread"),i=e("./fabric"),a=function(){};a.version="1.2.0",a.thread=a.Thread=a.worker=a.Worker=r,a.fabric=a.Fabric=i,n.exports=a},{"./fabric":3,"./thread":7}],5:[function(e,n,t){"use strict";var r="string",i=typeof{},a="function",s=function(e){return e&&e.instanceString&&o.fn(e.instanceString)?e.instanceString():null},o={defined:function(e){return null!=e},string:function(e){return null!=e&&typeof e==r},fn:function(e){return null!=e&&typeof e===a},array:function(e){return Array.isArray?Array.isArray(e):null!=e&&e instanceof Array},plainObject:function(e){return null!=e&&typeof e===i&&!o.array(e)&&e.constructor===Object},object:function(e){return null!=e&&typeof e===i},number:function(e){return null!=e&&"number"==typeof e&&!isNaN(e)},integer:function(e){return o.number(e)&&Math.floor(e)===e},bool:function(e){return null!=e&&typeof e==typeof!0},event:function(e){return"event"===s(e)},thread:function(e){return"thread"===s(e)},fabric:function(e){return"fabric"===s(e)},emptyString:function(e){return e?o.string(e)&&(""===e||e.match(/^\s+$/))?!0:!1:!0},nonemptyString:function(e){return e&&o.string(e)&&""!==e&&!e.match(/^\s+$/)?!0:!1}};n.exports=o},{}],6:[function(e,n,t){"use strict";var r=0,i=1,a=2,s=function(e){return this instanceof s?(this.id="Thenable/1.0.7",this.state=r,this.fulfillValue=void 0,this.rejectReason=void 0,this.onFulfilled=[],this.onRejected=[],this.proxy={then:this.then.bind(this)},void("function"==typeof e&&e.call(this,this.fulfill.bind(this),this.reject.bind(this)))):new s(e)};s.prototype={fulfill:function(e){return o(this,i,"fulfillValue",e)},reject:function(e){return o(this,a,"rejectReason",e)},then:function(e,n){var t=this,r=new s;return t.onFulfilled.push(l(e,r,"fulfill")),t.onRejected.push(l(n,r,"reject")),f(t),r.proxy}};var o=function(e,n,t,i){return e.state===r&&(e.state=n,e[t]=i,f(e)),e},f=function(e){e.state===i?u(e,"onFulfilled",e.fulfillValue):e.state===a&&u(e,"onRejected",e.rejectReason)},u=function(e,n,t){if(0!==e[n].length){var r=e[n];e[n]=[];var i=function(){for(var e=0;e<r.length;e++)r[e](t)};"function"==typeof setImmediate?setImmediate(i):setTimeout(i,0)}},l=function(e,n,t){return function(r){if("function"!=typeof e)n[t].call(n,r);else{var i;try{i=e(r)}catch(a){return void n.reject(a)}c(n,i)}}},c=function(e,n){if(e===n||e.proxy===n)return void e.reject(new TypeError("cannot resolve promise with itself"));var t;if("object"==typeof n&&null!==n||"function"==typeof n)try{t=n.then}catch(r){return void e.reject(r)}if("function"!=typeof t)e.fulfill(n);else{var i=!1;try{t.call(n,function(t){i||(i=!0,t===n?e.reject(new TypeError("circular thenable chain")):c(e,t))},function(n){i||(i=!0,e.reject(n))})}catch(r){i||e.reject(r)}}},p="undefined"==typeof p?s:p;p.all=p.all||function(e){return new p(function(n,t){for(var r=new Array(e.length),i=0,a=function(t,a){r[t]=a,i++,i===e.length&&n(r)},s=0;s<e.length;s++)!function(n){var r=e[n],i=null!=r.then;if(i)r.then(function(e){a(n,e)},function(e){t(e)});else{var s=r;a(n,s)}}(s)})},n.exports=p},{}],7:[function(_dereq_,module,exports){/*! Weaver licensed under MIT (https://tldrlegal.com/license/mit-license), copyright Max Franz */
"use strict";var window=_dereq_("./window"),util=_dereq_("./util"),Promise=_dereq_("./promise"),Event=_dereq_("./event"),define=_dereq_("./define"),is=_dereq_("./is"),Thread=function(e){if(!(this instanceof Thread))return new Thread(e);var n=this._private={requires:[],files:[],queue:null,pass:[],disabled:!1};is.plainObject(e)&&null!=e.disabled&&(n.disabled=!!e.disabled)},thdfn=Thread.prototype,stringifyFieldVal=function(e){var n=is.fn(e)?e.toString():"JSON.parse('"+JSON.stringify(e)+"')";return n},fnAsRequire=function(e){var n,t;is.object(e)&&e.fn?(n=fnAs(e.fn,e.name),t=e.name,e=e.fn):is.fn(e)?(n=e.toString(),t=e.name):is.string(e)?n=e:is.object(e)&&(n=e.proto?"":e.name+" = {};",t=e.name,e=e.obj),n+="\n";var r=function(e,t){if(e.prototype){var r=!1;for(var i in e.prototype){r=!0;break}r&&(n+=fnAsRequire({name:t,obj:e,proto:!0},e))}};if(e.prototype&&null!=t)for(var i in e.prototype){var a="",s=e.prototype[i],o=stringifyFieldVal(s),f=t+".prototype."+i;a+=f+" = "+o+";\n",a&&(n+=a),r(s,f)}if(!is.string(e))for(var i in e){var u="";if(e.hasOwnProperty(i)){var s=e[i],o=stringifyFieldVal(s),f=t+'["'+i+'"]';u+=f+" = "+o+";\n"}u&&(n+=u),r(s,f)}return n},isPathStr=function(e){return is.string(e)&&e.match(/\.js$/)};util.extend(thdfn,{instanceString:function(){return"thread"},require:function(e,n){var t=this._private.requires;if(isPathStr(e))return this._private.files.push(e),this;if(n)e=is.fn(e)?{name:n,fn:e}:{name:n,obj:e};else if(is.fn(e)){if(!e.name)throw'The function name could not be automatically determined.  Use thread.require( someFunction, "someFunction" )';e={name:e.name,fn:e}}return t.push(e),this},pass:function(e){return this._private.pass.push(e),this},run:function(fn,pass){var self=this,_p=this._private;if(pass=pass||_p.pass.shift(),_p.stopped)throw"Attempted to run a stopped thread!  Start a new thread or do not stop the existing thread and reuse it.";if(_p.running)return _p.queue=_p.queue.then(function(){return self.run(fn,pass)});var useWW=null!=window&&!_p.disabled,useNode=!window&&"undefined"!=typeof module&&!_p.disabled;self.trigger("run");var runP=new Promise(function(resolve,reject){_p.running=!0;var threadTechAlreadyExists=_p.ran,fnImplStr=is.string(fn)?fn:fn.toString(),fnStr="\n"+_p.requires.map(function(e){return fnAsRequire(e)}).concat(_p.files.map(function(e){if(useWW){var n=function(e){return e.match(/^\.\//)||e.match(/^\.\./)?window.location.origin+window.location.pathname+e:e.match(/^\//)?window.location.origin+"/"+e:e};return'importScripts("'+n(e)+'");'}if(useNode)return'eval( require("fs").readFileSync("'+e+'", { encoding: "utf8" }) );';throw"External file `"+e+"` can not be required without any threading technology."})).concat(["( function(){","var ret = ("+fnImplStr+")("+JSON.stringify(pass)+");","if( ret !== undefined ){ resolve(ret); }","} )()\n"]).join("\n");if(_p.requires=[],_p.files=[],useWW){var fnBlob,fnUrl;if(!threadTechAlreadyExists){var fnPre=fnStr+"";fnStr=["function _ref_(o){ return eval(o); };","function broadcast(m){ return message(m); };","function message(m){ postMessage(m); };","function listen(fn){",'  self.addEventListener("message", function(m){ ','    if( typeof m === "object" && (m.data.$$eval || m.data === "$$start") ){',"    } else { ","      fn( m.data );","    }","  });","};",'self.addEventListener("message", function(m){  if( m.data.$$eval ){ eval( m.data.$$eval ); }  });',"function resolve(v){ postMessage({ $$resolve: v }); };","function reject(v){ postMessage({ $$reject: v }); };"].join("\n"),fnStr+=fnPre,fnBlob=new Blob([fnStr],{type:"application/javascript"}),fnUrl=window.URL.createObjectURL(fnBlob)}var ww=_p.webworker=_p.webworker||new Worker(fnUrl);threadTechAlreadyExists&&ww.postMessage({$$eval:fnStr});var cb;ww.addEventListener("message",cb=function(e){var n=is.object(e)&&is.object(e.data);n&&"$$resolve"in e.data?(ww.removeEventListener("message",cb),resolve(e.data.$$resolve)):n&&"$$reject"in e.data?(ww.removeEventListener("message",cb),reject(e.data.$$reject)):self.trigger(new Event(e,{type:"message",message:e.data}))},!1),threadTechAlreadyExists||ww.postMessage("$$start")}else if(useNode){_p.child||(_p.child=_dereq_("child_process").fork(_dereq_("path").join(__dirname,"thread-node-fork")));var child=_p.child,cb;child.on("message",cb=function(e){is.object(e)&&"$$resolve"in e?(child.removeListener("message",cb),resolve(e.$$resolve)):is.object(e)&&"$$reject"in e?(child.removeListener("message",cb),reject(e.$$reject)):self.trigger(new Event({},{type:"message",message:e}))}),child.send({$$eval:fnStr})}else{var promiseResolve=resolve,promiseReject=reject,timer=_p.timer=_p.timer||{listeners:[],exec:function(){fnStr=["function _ref_(o){ return eval(o); };","function broadcast(m){ return message(m); };",'function message(m){ self.trigger( new Event({}, { type: "message", message: m }) ); };',"function listen(fn){ timer.listeners.push( fn ); };","function resolve(v){ promiseResolve(v); };","function reject(v){ promiseReject(v); };"].join("\n")+fnStr,eval(fnStr)},message:function(e){for(var n=timer.listeners,t=0;t<n.length;t++){var r=n[t];r(e)}}};timer.exec()}}).then(function(e){return _p.running=!1,_p.ran=!0,self.trigger("ran"),e});return null==_p.queue&&(_p.queue=runP),runP},message:function(e){var n=this._private;return n.webworker&&n.webworker.postMessage(e),n.child&&n.child.send(e),n.timer&&n.timer.message(e),this},stop:function(){var e=this._private;return e.webworker&&e.webworker.terminate(),e.child&&e.child.kill(),e.timer,e.stopped=!0,this.trigger("stop")},stopped:function(){return this._private.stopped}});var fnAs=function(e,n){var t=e.toString();return t=t.replace(/function\s*?\S*?\s*?\(/,"function "+n+"(")},defineFnal=function(e){return e=e||{},function(n,t){var r=fnAs(n,"_$_$_"+e.name);return this.require(r),this.run(["function( data ){","  var origResolve = resolve;","  var res = [];","  ","  resolve = function( val ){","    res.push( val );","  };","  ","  var ret = data."+e.name+"( _$_$_"+e.name+(arguments.length>1?", "+JSON.stringify(t):"")+" );","  ","  resolve = origResolve;","  resolve( res.length > 0 ? res : ret );","}"].join("\n"))}};util.extend(thdfn,{reduce:defineFnal({name:"reduce"}),reduceRight:defineFnal({name:"reduceRight"}),map:defineFnal({name:"map"})});var fn=thdfn;fn.promise=fn.run,fn.terminate=fn.halt=fn.stop,fn.include=fn.require,util.extend(thdfn,{on:define.on(),one:define.on({unbindSelfOnTrigger:!0}),off:define.off(),trigger:define.trigger()}),define.eventAliasesOn(thdfn),module.exports=Thread},{"./define":1,"./event":2,"./is":5,"./promise":6,"./util":8,"./window":9,child_process:void 0,path:void 0}],8:[function(e,n,t){"use strict";var r,i=e("./is");r={extend:function(){var e,n,t,a,s,o,f=arguments[0]||{},u=1,l=arguments.length,c=!1;for("boolean"==typeof f&&(c=f,f=arguments[1]||{},u=2),"object"==typeof f||i.fn(f)||(f={}),l===u&&(f=this,--u);l>u;u++)if(null!=(e=arguments[u]))for(n in e)t=f[n],a=e[n],f!==a&&(c&&a&&(i.plainObject(a)||(s=i.array(a)))?(s?(s=!1,o=t&&i.array(t)?t:[]):o=t&&i.plainObject(t)?t:{},f[n]=r.extend(c,o,a)):void 0!==a&&(f[n]=a));return f},error:function(e){if(!console)throw e;if(console.error)console.error.apply(console,arguments);else{if(!console.log)throw e;console.log.apply(console,arguments)}}},n.exports=r},{"./is":5}],9:[function(e,n,t){n.exports="undefined"==typeof window?null:window},{}]},{},[4])(4)});
//# sourceMappingURL=weaver.min.js.map