@labelbox/message-bus/build/index.js

Distributed messaging in Typescript

module.exports=function(e){var n={};function t(r){if(n[r])return n[r].exports;var a=n[r]={i:r,l:!1,exports:{}};return e[r].call(a.exports,a,a.exports,t),a.l=!0,a.exports}return t.m=e,t.c=n,t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{enumerable:!0,get:r})},t.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},t.t=function(e,n){if(1&n&&(e=t(e)),8&n)return e;if(4&n&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(t.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:e}),2&n&&"string"!=typeof e)for(var a in e)t.d(r,a,function(n){return e[n]}.bind(null,a));return r},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,n){return Object.prototype.hasOwnProperty.call(e,n)},t.p="",t(t.s=4)}([function(e,n,t){"use strict";function r(e,n,t){return n in e?Object.defineProperty(e,n,{value:t,enumerable:!0,configurable:!0,writable:!0}):e[n]=t,e}function a(e){if(Array.isArray(e)){for(var n=0,t=Array(e.length);n<e.length;n++)t[n]=e[n];return t}return Array.from(e)}Object.defineProperty(n,"__esModule",{value:!0});var o=t(1),i=t(2),s=function(){throw new Error("Slot not connected")},c=Object.assign(function(){return s()},{on:s,lazy:s,slotName:"Not connected"}),u="LOCAL_TRANSPORT",l=function(e,n){return Object.keys(n).reduce(function(t,r){return t.concat(n[r][e]||[])},[])},f=function(e){return Object.keys(e).reduce(function(n,t){var r=e[t],o=Object.keys(r).filter(function(e){return(r[e]||[]).length>0}),i=[].concat(a(n),a(o));return[].concat(a(new Set(i)))},[])};n.slot=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{noBuffer:!1,isCommand:!1};return Object.assign(c,e)},n.connectSlot=function(e,n){var t=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},s=n.reduce(function(e,n,t){return Object.assign({},e,r({},t,{}))},r({},u,{})),c=n.reduce(function(e,n,t){return Object.assign({},e,r({},t,{}))},{}),h=function(e,n){var t=function(){},r=new Promise(function(e){return t=e});c[e][n]={registered:r,onRegister:t}},d=[],_=[],v=function(e){return d.forEach(function(n){return n(e)})},p=function(e){return _.forEach(function(n){return n(e)})};return n.forEach(function(n,t){n.addRemoteHandlerRegistrationCallback(e,function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:i.DEFAULT_PARAM,n=arguments[1],r=s[t][e]||[];s[t][e]=r.concat(n),1===l(e,s).length&&v(e),c[t][e]||h(String(t),e),c[t][e].onRegister()}),n.addRemoteHandlerUnregistrationCallback(e,function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:i.DEFAULT_PARAM,n=arguments[1],r=(s[t][e]||[]).indexOf(n);r>-1&&s[t][e].splice(r,1),0===l(e,s).length&&p(e),h(String(t),e)})}),Object.assign(function(e,r){var u=2===arguments.length,f=u?r:e,d=u?e:i.DEFAULT_PARAM,_=void 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r=_.indexOf(n);r>-1&&_.splice(r,1)}},config:t,slotName:e})}},function(e,n,t){"use strict";function r(e,n){var t=null;try{t=e(n)}catch(e){return Promise.reject(e)}return t&&t.then?t:Promise.resolve(t)}Object.defineProperty(n,"__esModule",{value:!0}),n.callHandlers=function(e,n,t){return t&&0!==t.length?1===t.length?r(t[0],e):Promise.all(t.map(function(n){return r(n,e)})):n?Promise.reject(new Error("No handlers registered")):Promise.resolve()}},function(e,n,t){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.DEFAULT_PARAM="$_DEFAULT_$"},function(e,n,t){"use strict";var r=function(){function e(e,n){for(var t=0;t<n.length;t++){var r=n[t];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(n,t,r){return t&&e(n.prototype,t),r&&e(n,r),n}}();Object.defineProperty(n,"__esModule",{value:!0});var a=5e3,o=function(){function e(){var n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:a;!function(e,n){if(!(e instanceof n))throw new TypeError("Cannot call a class as a function")}(this,e),this._timeout=n,this._onMessageCallbacks=[],this._onConnectCallbacks=[],this._onDisconnectCallbacks=[],this._onErrorCallbacks=[],this._ready=!1}return r(e,[{key:"onData",value:function(e){-1===this._onMessageCallbacks.indexOf(e)&&this._onMessageCallbacks.push(e)}},{key:"onConnect",value:function(e){this._ready&&e(),this._onConnectCallbacks.push(e)}},{key:"onDisconnect",value:function(e){this._onDisconnectCallbacks.push(e)}},{key:"onError",value:function(e){this._onErrorCallbacks.push(e)}},{key:"_messageReceived",value:function(e){this._onMessageCallbacks.forEach(function(n){return n(e)})}},{key:"_error",value:function(e){this._onErrorCallbacks.forEach(function(n){return n(e)})}},{key:"_connected",value:function(){this._ready=!0,this._onConnectCallbacks.forEach(function(e){return e()})}},{key:"_disconnected",value:function(){this._ready=!1,this._onDisconnectCallbacks.forEach(function(e){return e()})}},{key:"timeout",get:function(){return this._timeout}}]),e}();n.GenericChannel=o},function(e,n,t){e.exports=t(5)},function(e,n,t){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var r=t(0);n.slot=r.slot;var a=t(6);n.combineEvents=a.combineEvents,n.createEventBus=a.createEventBus;var o=t(3);n.GenericChannel=o.GenericChannel;var i=t(8);n.ChunkedChannel=i.ChunkedChannel;var s=t(2);n.DEFAULT_PARAM=s.DEFAULT_PARAM},function(e,n,t){"use strict";function r(e){if(Array.isArray(e)){for(var n=0,t=Array(e.length);n<e.length;n++)t[n]=e[n];return t}return Array.from(e)}Object.defineProperty(n,"__esModule",{value:!0});var a=t(0),o=t(7);n.combineEvents=function(e,n,t,a,o,i,s,c,u,l,f,h,d,_,v,p,g,y,b,m,k,O,E,R){var C=Array.from(arguments),w=C.reduce(function(e,n){return[].concat(r(e),r(Object.keys(n)))},[]),A=[].concat(r(new Set(w)));if(w.length>A.length)throw new Error("ts-event-bus: duplicate slots encountered in combineEvents.");return Object.assign.apply(Object,[{}].concat(r(C)))},n.createEventBus=function(e){var n=(e.channels||[]).map(function(e){return new o.Transport(e)});return Object.keys(e.events).reduce(function(t,r){var o=e.events[r].config;return t[r]=a.connectSlot(r,n,o),t},{})}},function(e,n,t){"use strict";var r=function(){function e(e,n){for(var t=0;t<n.length;t++){var r=n[t];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(n,t,r){return t&&e(n.prototype,t),r&&e(n,r),n}}();Object.defineProperty(n,"__esModule",{value:!0});var a=t(1),o=0,i=function(e){throw new Error("Should not happen: "+e)},s={TIMED_OUT:"TIMED_OUT",REMOTE_CONNECTION_CLOSED:"REMOTE_CONNECTION_CLOSED",CHANNEL_NOT_READY:"CHANNEL_NOT_READY"},c=function(){function e(n){var t=this;!function(e,n){if(!(e instanceof n))throw new TypeError("Cannot call a class as a 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r(e,[{key:"_requestReceived",value:function(e){var n=this,t=e.slotName,r=e.data,o=e.id,i=e.param,s=this._localHandlers[t];if(s){var c=s[i];c&&a.callHandlers(r,!1,c).then(function(e){return n._channel.send({type:"response",slotName:t,id:o,data:e,param:i})}).catch(function(e){return n._channel.send({id:o,message:""+e,param:i,slotName:t,stack:e.stack||"",type:"error"})})}}},{key:"_responseReceived",value:function(e){var n=e.slotName,t=e.data,r=e.id,a=e.param,o=this._pendingRequests[n];o&&o[a]&&o[a][r]&&(o[a][r].resolve(t),delete o[a][r])}},{key:"_errorReceived",value:function(e){var n=e.slotName,t=e.id,r=e.message,a=e.stack,o=e.param,i=this._pendingRequests[n];if(i&&i[o]&&i[o][t]){var s=new Error(r+" on "+n+" with param "+o);s.stack=a||s.stack,this._pendingRequests[n][o][t].reject(s),delete this._pendingRequests[n][o][t]}}},{key:"_registerRemoteHandler",value:function(e){var n=this,t=e.slotName,r=e.param,a=this._remoteHandlerRegistrationCallbacks[t];if(a){var i=this._remoteHandlers[t];if(!i||!i[r]){var c=function(e){return new Promise(function(a,i){if(!n._channelReady)return i(new Error(s.CHANNEL_NOT_READY+" on "+t));var c=""+o++;n._pendingRequests[t]=n._pendingRequests[t]||{},n._pendingRequests[t][r]=n._pendingRequests[t][r]||{},n._pendingRequests[t][r][c]={resolve:a,reject:i},n._channel.send({type:"request",id:c,slotName:t,param:r,data:e}),setTimeout(function(){var e=((n._pendingRequests[t]||{})[r]||{})[c];if(e){var a=new Error(s.TIMED_OUT+" on "+t+" with param "+r);e.reject(a),delete n._pendingRequests[t][r][c]}},n._channel.timeout)})};this._remoteHandlers[t]=this._remoteHandlers[t]||{},this._remoteHandlers[t][r]=c,a(r,c)}}}},{key:"_unregisterRemoteHandler",value:function(e){var n=e.slotName,t=e.param,r=this._remoteHandlerDeletionCallbacks[n],a=this._remoteHandlers[n];if(a){var o=a[t];o&&r&&(r(t,o),delete this._remoteHandlers[n][t])}}},{key:"_unregisterAllRemoteHandlers",value:function(){var e=this;Object.keys(this._remoteHandlerDeletionCallbacks).forEach(function(n){var t=e._remoteHandlers[n];t&&Object.keys(t).filter(function(e){return t[e]}).forEach(function(t){return e._unregisterRemoteHandler({slotName:n,param:t})})})}},{key:"_rejectAllPendingRequests",value:function(e){var n=this;Object.keys(this._pendingRequests).forEach(function(t){Object.keys(n._pendingRequests[t]).forEach(function(r){Object.keys(n._pendingRequests[t][r]).forEach(function(a){n._pendingRequests[t][r][a].reject(e)})}),n._pendingRequests[t]={}})}},{key:"addRemoteHandlerRegistrationCallback",value:function(e,n){this._remoteHandlerRegistrationCallbacks[e]||(this._remoteHandlerRegistrationCallbacks[e]=n)}},{key:"addRemoteHandlerUnregistrationCallback",value:function(e,n){this._remoteHandlerDeletionCallbacks[e]||(this._remoteHandlerDeletionCallbacks[e]=n)}},{key:"registerHandler",value:function(e,n,t){if(this._localHandlers[e]=this._localHandlers[e]||{},this._localHandlers[e][n]=this._localHandlers[e][n]||[],this._localHandlers[e][n].push(t),1===this._localHandlers[e][n].length){var r={type:"handler_registered",param:n,slotName:e};this._localHandlerRegistrations[n]=this._localHandlerRegistrations[n]||[],this._localHandlerRegistrations[n].push(r),this._channelReady&&this._channel.send(r)}}},{key:"unregisterHandler",value:function(e,n,t){var r=this._localHandlers[e];if(r&&r[n]){var a=r[n].indexOf(t);if(a>-1&&(r[n].splice(a,1),0===r[n].length)){var o={type:"handler_unregistered",param:n,slotName:e};this._channelReady&&this._channel.send(o)}}}}]),e}();n.Transport=c},function(e,n,t){"use strict";var r=function(){function e(e,n){for(var t=0;t<n.length;t++){var r=n[t];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(n,t,r){return t&&e(n.prototype,t),r&&e(n,r),n}}(),a=function e(n,t,r){null===n&&(n=Function.prototype);var a=Object.getOwnPropertyDescriptor(n,t);if(void 0===a){var o=Object.getPrototypeOf(n);return null===o?void 0:e(o,t,r)}if("value"in a)return a.value;var i=a.get;return void 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