firetruss/dist/firetruss.umd.min.js

Advanced data sync layer for Firebase and Vue.js

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"+a.name+" lacks a $trussMount static property");g.isArray(t)||(t=[t]),g.forEach(t,function(t){if(g.isString(t)&&(t={path:t}),!c&&"/"===t.path)throw new Error("Data root already accessed, too late to mount class");for(var e=b(t.path),r=0,n=e.variables;r<n.length;r+=1){var i=n[r];if("$"===i||"$"===i.charAt(1))throw new Error("Invalid variable name: "+i);if("$"===i.charAt(0)&&(g.has(ht.prototype,i)||ct[i]))throw new Error("Variable name conflicts with built-in property or method: "+i);l.push(i)}var o=t.path.match(/\/([^/]*)$/)[1];if("$"===o.charAt(0)){if(t.placeholder)throw new Error("Class "+a.name+" mounted at wildcard "+o+" cannot be a placeholder")}else g.has(t,"placeholder")||(t.placeholder={});var s=u._getMount(t.path.replace(/\$[^/]*/g,"$"),!0);if(s.matcher&&(s.escapedKey===o||"$"===s.escapedKey.charAt(0)&&"$"===o.charAt(0)))throw new Error("Multiple classes mounted at "+t.path+": "+s.Class.name+", "+a.name);g.assign(s,{Class:a,matcher:e,computedProperties:h,escapedKey:o},g.pick(t,"placeholder","local","keysUnsafe","hidden"))}),g.forEach(l,function(t){a.prototype[t]||Object.defineProperty(a.prototype,t,{get:function(){return st?st[t]&&st[t].value:void 0}})})},dt.prototype.createObject=function(t,e){var r=this,n=this._getMount(t)||{Class:ht};try{if(n.matcher){var i=n.matcher.match(t);for(var o in i)e[o]={value:i[o]}}st=e;var s=new n.Class;return st=null,f.active&&this._wrapProperties(s),n.keysUnsafe&&(e.$data={value:Object.create(null),configurable:!0,enumerable:!0}),n.hidden&&(e.$hidden={value:!0}),n.computedProperties&&g.forEach(n.computedProperties,function(t){e[t.name]=r._buildComputedPropertyDescriptor(s,t)}),s}catch(t){throw t.extra=g.assign({mount:n,properties:e,className:n.Class&&n.Class.name},t.extra),t}},dt.prototype._wrapProperties=function(i){g.forEach(i,function(t,e){var r,n="$_"+e;Object.defineProperties(i,((r={})[n]={value:t,writable:!0},r[e]={get:function(){return i[n]},set:function(t){i[n]=t,f.digest()},enumerable:!0,configurable:!0},r))})},dt.prototype._buildComputedPropertyDescriptor=function(s,a){var c,u,h=this,l=W.for(a.fullName),p=!1;return s.$$initializers.push(function(t){var e=!1,r=function(t,e){if(this.$destroyed)return;this.$$touchThis();var r=at;at=!1;var n,i=I();try{try{n=t.get.call(this)}catch(t){n=new pt(t)}finally{e.runtime+=I()-i,e.numRecomputes+=1}return at&&(n=new ft(n)),n}finally{at=r}}.bind(s,a,l);h._debug&&(r.toString=function(){return a.fullName});var n=function(){e=!0},n=t.$watch(r,function(t){if(s.$destroyed)n();else if(u&&(u.cancel&&u.cancel(),u=void 0),g.isObject(t)&&g.isFunction(t.then)){var e=t.then(function(t){e===u&&o(t)},function(t){if(e===u&&o(new pt(t))&&!t.trussExpectedException)throw t});u=e}else if(o(t)&&(f.digest(),t instanceof pt&&!t.error.trussExpectedException))throw t.error},{immediate:!0}),i=g.last(t._watchers);function o(t){return t instanceof ft&&(t=t.value,n(),g.pull(s.$$finalizers,n)),!R(c,t)&&(l.numUpdates+=1,p=!0,s[a.name]=t,p=!1,function e(t){if(g.isNil(t)||!g.isObject(t)||Object.isFrozen(t)||t.$truss)return t;t=Object.freeze(t);if(g.isArray(t))return g.map(t,function(t){return e(t)});return g.mapValues(t,function(t){return e(t)})}(t),1)}i.id=-i.id,e?n():s.$$finalizers.push(n)}),{enumerable:!0,configurable:!0,get:function(){if(!p&&c instanceof pt)throw c.error;return c},set:function(t){if(p)c=t;else{if(!a.set)throw new Error("You cannot set a computed property: "+a.name);a.set.call(this,t)}}}},dt.prototype.destroyObject=function(t){if(g.has(t,"$$finalizers"))for(var e=0,r=g.clone(t.$$finalizers);e<r.length;e+=1){(0,r[e])()}g.isFunction(t.$finalize)&&t.$finalize(),Object.defineProperty(t,"$destroyed",{value:!0,enumerable:!1,configurable:!1})},dt.prototype.isPlaceholder=function(t){var e=this._getMount(t);return e&&e.placeholder},dt.prototype.isLocal=function(t,e){var r=this._getMount(t,!1,function(t){return t.local});if(r&&r.local)return!0;if(this._hasLocalProperties(r,e))throw new Error("Write on a mix of local and remote tree paths.");return!1},dt.prototype._hasLocalProperties=function(t,e){if(!t)return!1;if(t.local)return!0;if(!t.localDescendants||!g.isObject(e))return!1;for(var r in e){if(this._hasLocalProperties(t.children[p(r)]||t.children.$,e[r]))return!0}return!1},dt.prototype.forEachPlaceholderChild=function(t,e){var r=this._getMount(t);g.forEach(r&&r.children,function(t){t.placeholder&&e(t)})},dt.prototype.checkVueObject=function(e,t,r){var n=!r;n&&(r=[]);try{for(var i=0,o=Object.getOwnPropertyNames(e);i<o.length;i+=1){var s=o[i];if(!(ct[s]||ht.prototype.hasOwnProperty(s)||/^\$_/.test(s))){var a=this._findMount(function(t){return t.Class===e.constructor});if(!(a&&a.matcher&&g.includes(a.matcher.variables,s))){var c=void 0;try{c=e[s]}catch(t){continue}if(!g.isArray(e)||!/\d+/.test(s)&&"length"!==s){var u=Object.getOwnPropertyDescriptor(e,s);if("value"in u||!u.get)throw new Error("Value at "+t+", contained in a Firetruss object, has a rogue property: "+s);if(e.$truss&&u.enumerable)try{throw e[s]=c,new Error("Firetruss object at "+t+" has an enumerable non-Firebase property: "+s)}catch(t){if("firebase_overwrite"!==t.trussCode)throw t}}g.isObject(c)&&!c.$$$trussCheck&&Object.isExtensible(c)&&!(g.isFunction(c)||c instanceof Promise)&&(c.$$$trussCheck=!0,r.push(c),this.checkVueObject(c,y(t,p(s)),r))}}}}finally{if(n)for(var h=0,l=r;h<l.length;h+=1){delete l[h].$$$trussCheck}}};function _t(t,e){this._coupler=t,this._query=e,this._listeners=[],this._keys=[],this._url=this._coupler._rootUrl+e.path,this._segments=v(e.path,!0),this._listening=!1,this.ready=!1}_t.prototype.attach=function(t,e){this._listen(),this._listeners.push({operation:t,keysCallback:e}),e&&e(this._keys)},_t.prototype.detach=function(t){var e=g.findIndex(this._listeners,{operation:t});return 0<=e&&this._listeners.splice(e,1),this._listeners.length},_t.prototype._listen=function(){this._listening||(this._coupler._bridge.on(this._query.toString(),this._url,this._query.constraints,"value",this._handleSnapshot,this._handleError,this,{sync:!0}),this._listening=!0)},_t.prototype.destroy=function(){this._coupler._bridge.off(this._query.toString(),this._url,this._query.constraints,"value",this._handleSnapshot,this),this._listening=!1,this.ready=!1,f.digest();for(var t=0,e=this._keys;t<e.length;t+=1){var r=e[t];this._coupler._decoupleSegments(this._segments.concat(r))}},_t.prototype._handleSnapshot=function(a){var c=this;this._coupler._queueSnapshotCallback(function(){if(c._listeners.length&&c._listening){var t=c._updateKeys(a);if(c._coupler._applySnapshot(a),!c.ready){c.ready=!0,f.digest();for(var e=0,r=c._listeners;e<r.length;e+=1){var n=r[e];c._coupler._dispatcher.markReady(n.operation)}}if(t)for(var i=0,o=c._listeners;i<o.length;i+=1){var s=o[i];s.keysCallback&&s.keysCallback(t)}}})},_t.prototype._updateKeys=function(t){var e,r;if(t.path===this._query.path)if((e=g.keys(t.value)).sort(),g.isEqual(this._keys,e))e=null;else{for(var n=0,i=g.difference(e,this._keys);n<i.length;n+=1){var o=i[n];this._coupler._coupleSegments(this._segments.concat(o))}for(var s=0,a=g.difference(this._keys,e);s<a.length;s+=1){var c=a[s];this._coupler._decoupleSegments(this._segments.concat(c))}this._keys=e}else t.path.replace(/\/[^/]+/,"")===this._query.path&&(r=g.includes(this._keys,t.key),t.value?r||(this._coupler._coupleSegments(this._segments.concat(t.key)),this._keys.push(t.key),this._keys.sort(),e=this._keys):r&&(this._coupler._decoupleSegments(this._segments.concat(t.key)),g.pull(this._keys,t.key),this._keys.sort(),e=this._keys));return e},_t.prototype._handleError=function(n){var i=this;this._listeners.length&&this._listening&&(this._listening=!1,this.ready=!1,f.digest(),Promise.all(g.map(this._listeners,function(e){return i._coupler._dispatcher.clearReady(e.operation),i._coupler._dispatcher.retry(e.operation,n).catch(function(t){return e.operation._disconnect(t),!1})})).then(function(t){if(g.some(t))i._listeners.length&&i._listen();else for(var e=0,r=i._listeners;e<r.length;e+=1){r[e].operation._disconnect(n)}}))};function yt(t,e,r){this._coupler=t,this.path=e,this.parent=r,this.url=this._coupler._rootUrl+e,this.operations=[],this.queryCount=0,this.listening=!1,this.ready=!1,this.children={}}var gt={active:{configurable:!0},count:{configurable:!0}};gt.active.get=function(){return this.count||this.queryCount},gt.count.get=function(){return this.operations.length},yt.prototype.listen=function(t){var e=this;if(!t&&this.count){if(this.listening)return;g.forEach(this.operations,function(t){e._coupler._dispatcher.clearReady(t)}),this._coupler._bridge.on(this.url,this.url,null,"value",this._handleSnapshot,this._handleError,this,{sync:!0}),this.listening=!0}else g.forEach(this.children,function(t){t.listen()})},yt.prototype.unlisten=function(t){!t&&this.listening?(this._coupler._bridge.off(this.url,this.url,null,"value",this._handleSnapshot,this),this.listening=!1,this._forAllDescendants(function(t){return!t.listening&&void(t.ready&&(t.ready=!1,f.digest()))})):g.forEach(this.children,function(t){t.unlisten()})},yt.prototype._handleSnapshot=function(t){var i=this;this._coupler._queueSnapshotCallback(function(){i.listening&&i._coupler.isTrunkCoupled(t.path)&&(i._coupler._applySnapshot(t),i.ready||t.path!==i.path||(i.ready=!0,f.digest(),i.unlisten(!0),i._forAllDescendants(function(t){for(var e=0,r=t.operations;e<r.length;e+=1){var n=r[e];i._coupler._dispatcher.markReady(n)}})))})},yt.prototype._handleError=function(n){var i=this;if(this.count&&this.listening)return this.listening=!1,this._forAllDescendants(function(t){if(t.listening)return!1;t.ready&&(t.ready=!1,f.digest());for(var e=0,r=t.operations;e<r.length;e+=1){var n=r[e];i._coupler._dispatcher.clearReady(n)}}),Promise.all(g.map(this.operations,function(e){return i._coupler._dispatcher.retry(e,n).catch(function(t){return e._disconnect(t),!1})})).then(function(t){if(g.some(t))i.count&&i.listen();else for(var e=0,r=i.operations;e<r.length;e+=1){r[e]._disconnect(n)}})},yt.prototype._forAllDescendants=function(e){!1!==e(this)&&g.forEach(this.children,function(t){return t._forAllDescendants(e)})},yt.prototype.collectCoupledDescendantPaths=function(e){return(e=e||{})[this.path]=this.active,this.active||g.forEach(this.children,function(t){t.collectCoupledDescendantPaths(e)}),e},Object.defineProperties(yt.prototype,gt);function vt(t,e,r,n,i){this._rootUrl=t,this._bridge=e,this._dispatcher=r,this._applySnapshot=n,this._pendingSnapshotCallbacks=[],this._throttled={processPendingSnapshots:this._processPendingSnapshots},this._prunePath=i,this._vue=new u({data:{root:void 0,queryHandlers:{}}}),this._vue._renderProxy=this._vue,this._nodeIndex=Object.create(null),Object.freeze(this),this._vue.$data.root=new yt(this,"/"),this._nodeIndex["/"]=this._root}var bt={_root:{configurable:!0},_queryHandlers:{configurable:!0}};bt._root.get=function(){return this._vue.$data.root},bt._queryHandlers.get=function(){return this._vue.$data.queryHandlers},vt.prototype.destroy=function(){g.forEach(this._queryHandlers,function(t){t.destroy()}),this._root.unlisten(),this._vue.$destroy()},vt.prototype.couple=function(t,e){return this._coupleSegments(v(t,!0),e)},vt.prototype._coupleSegments=function(t,e){for(var r,n=!e,i=!1,o=0,s=t;o<s.length;o+=1){var a=s[o],c=a?r.children&&r.children[a]:this._root;c||(c=new yt(this,("/"===r.path?"":r.path)+"/"+a,r),u.set(r.children,a,c),this._nodeIndex[c.path]=c),n=n||c.listening,i=i||c.ready,r=c}e?r.operations.push(e):r.queryCount++,n?e