fh-sync-js - npm Package Compare versions

Comparing version 1.0.3 to 1.1.0

bower.json

 {
   "name": "fh-sync-js",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "homepage": "https://github.com/feedhenry/fh-sync-js",
@@ -5,0 +5,0 @@ "authors": [

dist/fh-sync.min.js

@@ -1,2 +0,2 @@
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a(d).decrypt(b,c,d,e)}}}}()}),m=(c.StreamCipher=l.extend({_doFinalize:function(){var a=this._process(!0);return a},blockSize:1}),b.mode={}),n=c.BlockCipherMode=d.extend({createEncryptor:function(a,b){return this.Encryptor.create(a,b)},createDecryptor:function(a,b){return this.Decryptor.create(a,b)},init:function(a,b){this._cipher=a,this._iv=b}}),o=m.CBC=function(){function b(b,c,d){var e=this._iv;if(e){var f=e;this._iv=a}else var f=this._prevBlock;for(var g=0;d>g;g++)b[c+g]^=f[g]}var c=n.extend();return c.Encryptor=c.extend({processBlock:function(a,c){var d=this._cipher,e=d.blockSize;b.call(this,a,c,e),d.encryptBlock(a,c),this._prevBlock=a.slice(c,c+e)}}),c.Decryptor=c.extend({processBlock:function(a,c){var d=this._cipher,e=d.blockSize,f=a.slice(c,c+e);d.decryptBlock(a,c),b.call(this,a,c,e),this._prevBlock=f}}),c}(),p=b.pad={},q=p.Pkcs7={pad:function(a,b){for(var c=4*b,d=c-a.sigBytes%c,f=d<<24|d<<16|d<<8|d,g=[],h=0;d>h;h+=4)g.push(f);var i=e.create(g,d);a.concat(i)},unpad:function(a){var b=255&a.words[a.sigBytes-1>>>2];a.sigBytes-=b}},r=(c.BlockCipher=l.extend({cfg:l.cfg.extend({mode:o,padding:q}),reset:function(){l.reset.call(this);var a=this.cfg,b=a.iv,c=a.mode;if(this._xformMode==this._ENC_XFORM_MODE)var d=c.createEncryptor;else{var d=c.createDecryptor;this._minBufferSize=1}this._mode=d.call(c,this,b&&b.words)},_doProcessBlock:function(a,b){this._mode.processBlock(a,b)},_doFinalize:function(){var a=this.cfg.padding;if(this._xformMode==this._ENC_XFORM_MODE){a.pad(this._data,this.blockSize);var b=this._process(!0)}else{var b=this._process(!0);a.unpad(b)}return b},blockSize:4}),c.CipherParams=d.extend({init:function(a){this.mixIn(a)},toString:function(a){return(a||this.formatter).stringify(this)}})),s=b.format={},t=s.OpenSSL={stringify:function(a){var b=a.ciphertext,c=a.salt;if(c)var d=e.create([1398893684,1701076831]).concat(c).concat(b);else var d=b;return d.toString(i)},parse:function(a){var b=i.parse(a),c=b.words;if(1398893684==c[0]&&1701076831==c[1]){var d=e.create(c.slice(2,4));c.splice(0,4),b.sigBytes-=16}return r.create({ciphertext:b,salt:d})}},u=c.SerializableCipher=d.extend({cfg:d.extend({format:t}),encrypt:function(a,b,c,d){d=this.cfg.extend(d);var e=a.createEncryptor(c,d),f=e.finalize(b),g=e.cfg;return r.create({ciphertext:f,key:c,iv:g.iv,algorithm:a,mode:g.mode,padding:g.padding,blockSize:a.blockSize,formatter:d.format})},decrypt:function(a,b,c,d){d=this.cfg.extend(d),b=this._parse(b,d.format);var e=a.createDecryptor(c,d).finalize(b.ciphertext);return e},_parse:function(a,b){return"string"==typeof a?b.parse(a,this):a}}),v=b.kdf={},w=v.OpenSSL={execute:function(a,b,c,d){d||(d=e.random(8));var f=k.create({keySize:b+c}).compute(a,d),g=e.create(f.words.slice(b),4*c);return f.sigBytes=4*b,r.create({key:f,iv:g,salt:d})}},x=c.PasswordBasedCipher=u.extend({cfg:u.cfg.extend({kdf:w}),encrypt:function(a,b,c,d){d=this.cfg.extend(d);var e=d.kdf.execute(c,a.keySize,a.ivSize);d.iv=e.iv;var f=u.encrypt.call(this,a,b,e.key,d);return f.mixIn(e),f},decrypt:function(a,b,c,d){d=this.cfg.extend(d),b=this._parse(b,d.format);var e=d.kdf.execute(c,a.keySize,a.ivSize,b.salt);d.iv=e.iv;var f=u.decrypt.call(this,a,b,e.key,d);return f}})}(),function(){var a=f,b=a.lib,c=b.WordArray,d=b.Hasher,e=a.algo,g=[],h=e.SHA1=d.extend({_doReset:function(){this._hash=new c.init([1732584193,4023233417,2562383102,271733878,3285377520])},_doProcessBlock:function(a,b){for(var c=this._hash.words,d=c[0],e=c[1],f=c[2],h=c[3],i=c[4],j=0;80>j;j++){if(16>j)g[j]=0|a[b+j];else{var k=g[j-3]^g[j-8]^g[j-14]^g[j-16];g[j]=k<<1|k>>>31}var l=(d<<5|d>>>27)+i+g[j];l+=20>j?(e&f|~e&h)[phone]:40>j?(e^f^h)[phone]:60>j?(e&f|e&h|f&h)-1894007588:(e^f^h)-899497514,i=h,h=f,f=e<<30|e>>>2,e=d,d=l}c[0]=c[0]+d|0,c[1]=c[1]+e|0,c[2]=c[2]+f|0,c[3]=c[3]+h|0,c[4]=c[4]+i|0},_doFinalize:function(){var a=this._data,b=a.words,c=8*this._nDataBytes,d=8*a.sigBytes;return b[d>>>5]|=128<<24-d%32,b[(d+64>>>9<<4)+14]=Math.floor(c/4294967296),b[(d+64>>>9<<4)+15]=c,a.sigBytes=4*b.length,this._process(),this._hash},clone:function(){var a=d.clone.call(this);return a._hash=this._hash.clone(),a}});a.SHA1=d._createHelper(h),a.HmacSHA1=d._createHmacHelper(h)}(),function(a){var b=f,c=b.lib,d=c.Base,e=c.WordArray,g=b.x64={};g.Word=d.extend({init:function(a,b){this.high=a,this.low=b}}),g.WordArray=d.extend({init:function(b,c){b=this.words=b||[],c!=a?this.sigBytes=c:this.sigBytes=8*b.length},toX32:function(){for(var a=this.words,b=a.length,c=[],d=0;b>d;d++){var f=a[d];c.push(f.high),c.push(f.low)}return e.create(c,this.sigBytes)},clone:function(){for(var a=d.clone.call(this),b=a.words=this.words.slice(0),c=b.length,e=0;c>e;e++)b[e]=b[e].clone();return a}})}(),e("undefined"!=typeof f?f:window.CryptoJS)}.call(c,void 0,void 0,void 0,void 0,function(a){b.exports=a})}).call(this,"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],2:[function(a,b,c){(function(c){__browserify_shim_require__=a,function(a,b,c,d,e){var f=function(a,b){if(!(this instanceof f))return new f(a,b);if(!JSON)throw"JSON unavailable! 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a={};try{a=JSON.parse(window.top.name)}catch(b){}return{valid:function(){return"undefined"!=typeof window.top.name},init:function(b,c){return a[this.name]=a[this.name]||{index:[],store:{}},this.index=a[this.name].index,this.store=a[this.name].store,this.fn(this.name,c).call(this,this),this},keys:function(a){return this.fn("keys",a).call(this,this.index),this},save:function(b,c){var d=b.key||this.uuid();return this.exists(d,function(e){e||(b.key&&delete b.key,this.index.push(d)),this.store[d]=b;try{window.top.name=JSON.stringify(a)}catch(f){throw e||(this.index.pop(),delete this.store[d]),f}c&&(b.key=d,this.lambda(c).call(this,b))}),this},batch:function(a,b){for(var c=[],d=0,e=a.length;e>d;d++)this.save(a[d],function(a){c.push(a)});return b&&this.lambda(b).call(this,c),this},get:function(a,b){var c;if(this.isArray(a)){c=[];for(var d=0,e=a.length;e>d;d++)c.push(this.store[a[d]])}else c=this.store[a],c&&(c.key=a);return b&&this.lambda(b).call(this,c),this},exists:function(a,b){return this.lambda(b).call(this,!!this.store[a]),this},all:function(a){for(var b=[],c=0,d=this.index.length;d>c;c++){var e=this.store[this.index[c]];e.key=this.index[c],b.push(e)}return this.fn(this.name,a).call(this,b),this},remove:function(b,c){for(var d=this.isArray(b)?b:[b],e=0,f=d.length;f>e;e++){var g=d[e].key?d[e].key:d[e],h=this.indexOf(this.index,g);0>h||(delete this.store[g],this.index.splice(h,1))}return window.top.name=JSON.stringify(a),c&&this.lambda(c).call(this),this},nuke:function(b){return this.store=a[this.name].store={},this.index=a[this.name].index=[],window.top.name=JSON.stringify(a),b&&this.lambda(b).call(this),this}}}()),f.adapter("dom",function(){var a=null;try{a=window.localStorage}catch(b){}var c=function(b){return{key:b+"._index_",all:function(){var b=a.getItem(this.key);return b&&(b=JSON.parse(b)),null===b&&a.setItem(this.key,JSON.stringify([])),JSON.parse(a.getItem(this.key))},add:function(b){var c=this.all();c.push(b),a.setItem(this.key,JSON.stringify(c))},del:function(b){for(var c=this.all(),d=[],e=0,f=c.length;f>e;e++)c[e]!=b&&d.push(c[e]);a.setItem(this.key,JSON.stringify(d))},find:function(a){for(var b=this.all(),c=0,d=b.length;d>c;c++)if(a===b[c])return c;return!1}}};return{valid:function(){return!!a&&function(){var b=!0,c=Math.random();try{a.setItem(c,c)}catch(d){b=!1}return a.removeItem(c),b}()},init:function(a,b){this.indexer=c(this.name),b&&this.fn(this.name,b).call(this,this)},save:function(b,c){var d=b.key?this.name+"."+b.key:this.name+"."+this.uuid();return delete b.key,a.setItem(d,JSON.stringify(b)),this.indexer.find(d)===!1&&this.indexer.add(d),b.key=d.slice(this.name.length+1),c&&this.lambda(c).call(this,b),this},batch:function(a,b){for(var c=[],d=0,e=a.length;e>d;d++)this.save(a[d],function(a){c.push(a)});return b&&this.lambda(b).call(this,c),this},keys:function(a){if(a){var b=this.name,c=this.indexer.all(),d=[];if(Array.prototype.map)d=c.map(function(a){return 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this.indexer.del(h),a.removeItem(h),c&&this.lambda(c).call(this),this},nuke:function(a){return this.all(function(b){for(var c=0,d=b.length;d>c;c++)this.remove(b[c]);a&&this.lambda(a).call(this)}),this}}}()),f.adapter("webkit-sqlite",function(){var a=function(a,b){console&&console.log("error in sqlite adaptor!",a,b)},b=function(){return new Date};return{valid:function(){return!!window.openDatabase},init:function(b,c){var d=this,e=d.fn(d.name,c),f="CREATE TABLE IF NOT EXISTS "+this.record+" (id NVARCHAR(32) UNIQUE PRIMARY KEY, value TEXT, timestamp REAL)",g=function(){return e.call(d,d)};b&&"function"==typeof b.fail&&(a=b.fail),this.db=openDatabase(this.name,"1.0.0",this.name,65536),this.db.transaction(function(b){b.executeSql(f,[],g,a)})},keys:function(b){var c=this.lambda(b),d=this,e="SELECT id FROM "+this.record+" ORDER BY timestamp DESC";return this.db.readTransaction(function(b){var f=function(a,b){if(0==b.rows.length)c.call(d,[]);else{for(var 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d=h.datasets[a];d?(d.syncPending=!0,h.saveDataSet(a),b&&b()):c&&c("unknown_dataset "+a,a)},forceSync:function(a,b,c){var d=h.datasets[a];d?(d.syncForced=!0,h.saveDataSet(a),b&&b()):c&&c("unknown_dataset "+a,a)},sortObject:function(a){if("object"!=typeof a||null===a)return a;var b=[];return Object.keys(a).sort().forEach(function(c){b.push({key:c,value:h.sortObject(a[c])})}),b},sortedStringify:function(a){var b="";try{b=JSON.stringify(h.sortObject(a))}catch(c){console.error("Error stringifying sorted object:"+c)}return b},generateHash:function(a){var b=h.getHashMethod(h.sortedStringify(a));return b.toString()},shouldResendInflightPending:function(a,b){if(a.config&&a.config.resend_inflight_pendings_minutes>0&&b.inFlight&&b.inFlightDate&&!b.crashed){var c=(new Date).getTime(),d=c-b.inFlightDate;if(d>=a.config.resend_inflight_pendings_minutes*g)return!0}return!1},addPendingObj:function(a,b,c,d,e,f){function g(c){c.hash=c.hash||h.generateHash(c),h.getDataSet(a,function(f){f.pending[c.hash]=c,h.updateDatasetFromLocal(f,c),h.config.auto_sync_local_updates&&(f.syncPending=!0),h.saveDataSet(a),h.doNotify(a,b,h.notifications.LOCAL_UPDATE_APPLIED,d),e(c)},function(a,b){f&&f(a,b)})}h.isOnline(function(c){c||h.doNotify(a,b,h.notifications.OFFLINE_UPDATE,d)});var i={};i.inFlight=!1,i.action=d,i.post=JSON.parse(JSON.stringify(c)),i.postHash=h.generateHash(i.post),i.timestamp=(new Date).getTime(),"create"===d?(i.hash=h.generateHash(i),i.uid=i.hash,g(i)):h.read(a,b,function(a){i.uid=b,i.pre=a.data,i.preHash=h.generateHash(a.data),g(i)},function(a,b){f&&f(a,b)})},syncLoop:function(a){h.getDataSet(a,function(b){b.syncPending=!1,b.syncRunning=!0,b.syncLoopStart=(new Date).getTime(),h.doNotify(a,null,h.notifications.SYNC_STARTED,null),h.isOnline(function(c){if(c){var d={};d.fn="sync",d.dataset_id=a,d.query_params=b.query_params,d.config=b.config,d.meta_data=b.meta_data,d.dataset_hash=b.hash,d.acknowledgements=b.acknowledgements||[];var e=b.pending,f=[];for(var g in e)e[g].inFlight||e[g].crashed||e[g].delayed||(e[g].inFlight=!0,e[g].inFlightDate=(new Date).getTime(),f.push(e[g])),h.shouldResendInflightPending(b,e[g])&&f.push(e[g]);d.pending=f,f.length>0&&h.consoleLog("Starting sync loop - global hash = "+b.hash+" :: params = "+JSON.stringify(d,null,2)),h.doCloudCall({dataset_id:a,req:d},function(c){function d(c,d,f){if(c)for(var g in c)e=c[g],f.push(e),b.pending[g]&&b.pending[g].inFlight&&(delete b.pending[g],h.doNotify(a,e.uid,d,e))}var e;if(h.updateCrashedInFlightFromNewData(a,b,c),h.updateDelayedFromNewData(a,b,c),h.updateMetaFromNewData(a,b,c),c.updates){var f=[];h.checkUidChanges(b,c.updates.applied),d(c.updates.applied,h.notifications.REMOTE_UPDATE_APPLIED,f),d(c.updates.failed,h.notifications.REMOTE_UPDATE_FAILED,f),d(c.updates.collisions,h.notifications.COLLISION_DETECTED,f),b.acknowledgements=f}c.hash&&c.hash!==b.hash?(h.consoleLog("Local dataset stale - syncing records :: local hash= "+b.hash+" - remoteHash="+c.hash),h.syncRecords(a)):(h.consoleLog("Local dataset up to date"),h.syncComplete(a,"online",h.notifications.SYNC_COMPLETE))},function(c,d){h.markInFlightAsCrashed(b),h.consoleLog("syncLoop failed : msg="+c+" :: err = "+d),h.syncComplete(a,c,h.notifications.SYNC_FAILED)})}else h.syncComplete(a,"offline",h.notifications.SYNC_FAILED)})})},syncRecords:function(a){h.getDataSet(a,function(b){var c=b.data||{},d={};for(var e in c){var f=e,g=c[e].hash;d[f]=g}var i={};i.fn="syncRecords",i.dataset_id=a,i.query_params=b.query_params,i.clientRecs=d,h.consoleLog("syncRecParams :: "+JSON.stringify(i)),h.doCloudCall({dataset_id:a,req:i},function(d){h.consoleLog("syncRecords Res before applying pending changes :: "+JSON.stringify(d)),h.applyPendingChangesToRecords(b,d),h.consoleLog("syncRecords Res after apply pending changes :: "+JSON.stringify(d));var e;if(d.create)for(e in d.create)c[e]={hash:d.create[e].hash,data:d.create[e].data},h.doNotify(a,e,h.notifications.RECORD_DELTA_RECEIVED,"create");if(d.update)for(e in d.update)c[e].hash=d.update[e].hash,c[e].data=d.update[e].data,h.doNotify(a,e,h.notifications.RECORD_DELTA_RECEIVED,"update");if(d["delete"])for(e in d["delete"])delete c[e],h.doNotify(a,e,h.notifications.RECORD_DELTA_RECEIVED,"delete");h.doNotify(a,d.hash,h.notifications.DELTA_RECEIVED,"partial dataset"),b.data=c,d.hash&&(b.hash=d.hash),h.syncComplete(a,"online",h.notifications.SYNC_COMPLETE)},function(b,c){h.consoleLog("syncRecords failed : msg="+b+" :: err="+c),h.syncComplete(a,b,h.notifications.SYNC_FAILED)})})},syncComplete:function(a,b,c){h.getDataSet(a,function(d){d.syncRunning=!1,d.syncLoopEnd=(new Date).getTime(),h.saveDataSet(a),h.doNotify(a,d.hash,c,b)})},applyPendingChangesToRecords:function(a,b){var c=a.pending;for(var d in c)if(c.hasOwnProperty(d)){var e=c[d],f=e.uid;if(b.create){var g=b.create;g&&g[f]&&delete g[f]}if(b.update){var h=b.update;h&&h[f]&&delete h[f]}if(b["delete"]){var i=b["delete"];i&&i[f]&&delete i[f]}}},checkUidChanges:function(a,b){if(b){var c={},d=0;for(var e in b)if(b.hasOwnProperty(e)){var f=b[e],g=f.action;if(g&&"create"===g){var i=f.uid,j=f.hash;d++,h.uid_map[j]=i,c[j]=i;var k=a.data[j];k&&(a.data[i]=k,delete a.data[j]);var l=a.meta[j];l&&(a.meta[i]=l,delete a.meta[j])}}if(d>0)for(var m in a.pending)if(a.pending.hasOwnProperty(m)){var n=a.pending[m],o=n.uid;c[o]&&(n.uid=c[o])}}},checkDatasets:function(){for(var a in h.datasets)if(h.datasets.hasOwnProperty(a)){var b=h.datasets[a];if(b&&!b.syncRunning&&(b.config.sync_active||b.syncForced)){var c=b.syncLoopStart,d=b.syncLoopEnd;if(b.syncForced)b.syncPending=!0;else if(null==c)h.consoleLog(a+" - Performing initial sync"),b.syncPending=!0;else if(null!=d){var e=(new Date).getTime()-d,f=1e3*b.config.sync_frequency;e>f&&(b.syncPending=!0)}b.syncPending&&(b.syncForced=!1,h.syncLoop(a))}}},setCloudHandler:function(a){h.cloudHandler=a},doCloudCall:function(a,b,c){h.cloudHandler&&"function"==typeof h.cloudHandler?h.cloudHandler(a,b,c):console.log("Missing cloud handler for sync. Please refer to documentation")},datasetMonitor:function(){h.checkDatasets(),setTimeout(function(){h.datasetMonitor()},500)},setStorageAdapter:function(a){h.getStorageAdapter=a},setHashMethod:function(a){h.getHashMethod=a},getStorageAdapter:function(a,b,c){var d=function(c,d){var e=(b?"save to":"load from")+" local storage failed msg: "+c+" err: "+d;h.doNotify(a,null,h.notifications.CLIENT_STORAGE_FAILED,e),h.consoleLog(e)};e({fail:d,adapter:h.config.storage_strategy,size:h.config.file_system_quota,backup:h.config.icloud_backup},function(){return c(null,this)})},getHashMethod:d.SHA1,saveDataSet:function(a,b){h.getDataSet(a,function(c){h.getStorageAdapter(a,!0,function(d,e){e.save({key:"dataset_"+a,val:c},function(){return b?b():void 0})})})},loadDataSet:function(a,b,c){h.getStorageAdapter(a,!1,function(d,e){e.get("dataset_"+a,function(d){if(d&&d.val){var e=d.val;if("string"==typeof e&&(e=JSON.parse(e)),e.initialised=!1,h.datasets[a]=e,h.consoleLog("load from local storage success for dataset_id :"+a),b)return b(e)}else if(c)return c()})})},clearCache:function(a,b){delete h.datasets[a],h.notify_callback_map[a]=null,h.getStorageAdapter(a,!0,function(c,d){d.remove("dataset_"+a,function(){return h.consoleLog("local cache is cleared for dataset : "+a),b?b():void 0})})},updateDatasetFromLocal:function(a,b){var c,d,e=a.pending,f=b.uid;h.consoleLog("updating local dataset for uid "+f+" - action = "+b.action),a.meta[f]=a.meta[f]||{},"create"===b.action&&(a.data[f]&&(h.consoleLog("dataset already exists for uid in create :: "+JSON.stringify(a.data[f])),a.meta[f].fromPending&&(c=a.meta[f].pendingUid,delete e[c])),a.data[f]={}),"update"===b.action&&a.data[f]&&a.meta[f].fromPending&&(h.consoleLog("updating an existing pending record for dataset :: "+JSON.stringify(a.data[f])),c=a.meta[f].pendingUid,d=e[c],d&&(d.inFlight?(h.consoleLog("existing in-inflight pending record = "+JSON.stringify(d)),b.delayed=!0,b.waiting=d.hash):(h.consoleLog("existing pre-flight pending record = "+JSON.stringify(d)),d.post=b.post,d.postHash=b.postHash,delete e[b.hash],b.hash=c))),"delete"===b.action&&a.data[f]&&(a.meta[f].fromPending&&(h.consoleLog("Deleting an existing pending record for dataset :: "+JSON.stringify(a.data[f])),c=a.meta[f].pendingUid,d=e[c],d&&(d.inFlight?(h.consoleLog("existing in-inflight pending record = "+JSON.stringify(d)),b.delayed=!0,b.waiting=d.hash):(h.consoleLog("existing pending record = "+JSON.stringify(d)),"create"===d.action&&(delete e[b.hash],delete e[c]),"update"===d.action&&(b.pre=d.pre,b.preHash=d.preHash,b.inFlight=!1,delete e[c])))),delete a.data[f]),a.data[f]&&(a.data[f].data=b.post,a.data[f].hash=b.postHash,a.meta[f].fromPending=!0,a.meta[f].pendingUid=b.hash)},updateCrashedInFlightFromNewData:function(a,b,c){var d,e,f=({applied:h.notifications.REMOTE_UPDATE_APPLIED,failed:h.notifications.REMOTE_UPDATE_FAILED,collisions:h.notifications.COLLISION_DETECTED},b.pending);if(f){for(d in f)if(f.hasOwnProperty(d)&&(e=f[d],e.inFlight&&e.crashed))if(h.consoleLog("updateCrashedInFlightFromNewData - Found crashed inFlight pending record uid="+e.uid+" :: hash="+e.hash),c&&c.updates&&c.updates.hashes){var g=c.updates.hashes[d];g||(e.crashedCount?e.crashedCount++:e.crashedCount=1)}else e.crashedCount?e.crashedCount++:e.crashedCount=1;for(d in f)f.hasOwnProperty(d)&&(e=f[d],e.inFlight&&e.crashed&&e.crashedCount>b.config.crashed_count_wait&&(h.consoleLog("updateCrashedInFlightFromNewData - Crashed inflight pending record has reached crashed_count_wait limit : "+JSON.stringify(e)),h.consoleLog("updateCrashedInFlightFromNewData - Retryig crashed inflight pending record"),e.crashed=!1,e.inFlight=!1))}},updateDelayedFromNewData:function(a,b,c){var d,e,f=b.pending;if(f)for(d in f)if(f.hasOwnProperty(d)&&(e=f[d],e.delayed&&e.waiting&&(h.consoleLog("updateDelayedFromNewData - Found delayed pending record uid="+e.uid+" :: hash="+e.hash+" :: waiting="+e.waiting),c&&c.updates&&c.updates.hashes))){var g=c.updates.hashes[e.waiting];g&&(h.consoleLog("updateDelayedFromNewData - Waiting pending record is resolved rec="+JSON.stringify(g)),e.delayed=!1,e.waiting=void 0)}},updateMetaFromNewData:function(a,b,c){var d=b.meta;if(d&&c&&c.updates&&c.updates.hashes)for(var e in d)if(d.hasOwnProperty(e)){var f=d[e],g=f.pendingUid;h.consoleLog("updateMetaFromNewData - Found metadata with uid = "+e+" :: pendingHash = "+g);var i=!0;if(g){i=!1;var j=c.updates.hashes[g];j&&(h.consoleLog("updateMetaFromNewData - Found pendingUid in meta data resolved - resolved = "+JSON.stringify(j)),f.pendingUid=void 0,i=!0)}i&&(h.consoleLog("updateMetaFromNewData - both previous and current pendings are resolved for meta data with uid "+e+". Delete it."),delete d[e])}},markInFlightAsCrashed:function(a){var b,c,d=a.pending;if(d){var e={};for(b in d)d.hasOwnProperty(b)&&(c=d[b],c.inFlight&&(h.consoleLog("Marking in flight pending record as crashed : "+b),c.crashed=!0,e[c.uid]=c))}},consoleLog:function(a){h.config.do_console_log&&console.log(a)}};!function(){h.config=h.defaults}(),h.setCloudHandler(f.handler),b.exports={init:h.init,manage:h.manage,notify:h.notify,doList:h.list,getUID:h.getUID,doCreate:h.create,doRead:h.read,doUpdate:h.update,doDelete:h["delete"],listCollisions:h.listCollisions,removeCollision:h.removeCollision,getPending:h.getPending,clearPending:h.clearPending,getDataset:h.getDataSet,getQueryParams:h.getQueryParams,setQueryParams:h.setQueryParams,getMetaData:h.getMetaData,setMetaData:h.setMetaData,getConfig:h.getConfig,setConfig:h.setConfig,startSync:h.startSync,stopSync:h.stopSync,doSync:h.doSync,forceSync:h.forceSync,generateHash:h.generateHash,loadDataSet:h.loadDataSet,clearCache:h.clearCache,setCloudHandler:h.setCloudHandler,doCloudCall:h.doCloudCall,setStorageAdapter:h.setStorageAdapter,setHashMethod:h.setHashMethod}},{"../libs/generated/crypto":1,"../libs/generated/lawnchair":2,"./cloudHandler":9}]},{},[10])(10)});

fh-sync-js.d.ts

@@ -142,3 +142,11 @@ // Type definitions for fh-sync-js 2.18.0
      */
-    icloud_backup?: boolean
+    icloud_backup?: boolean,
+
+    /* 
+     * If set, the client will resend the pending changes that are inflight, but haven't crashed, and have lived longer than this value.
+     * This is to prevent the situation where updates are lost for certain pending changes, those pending changes will be stuck on the client forever.
+     * Default value is 24 hours.
+     * Optional. Default: 60*24
+     */
+    resend_inflight_pendings_minutes?: number
   }
@@ -145,0 +153,0 @@

Gruntfile.js

@@ -147,3 +147,3 @@ var path = require('path');
 
-    grunt.registerTask('concat-core-sdk', ['jshint',  'concat:lawnchair', 'concat:crypto', 'browserify:dist']);
+  grunt.registerTask('concat-core-sdk', ['jshint',  'concat:lawnchair', 'concat:crypto', 'browserify:dist']);
 
@@ -150,0 +150,0 @@

npm-shrinkwrap.json

 {
   "name": "fh-sync-js",
-  "version": "1.0.2",
+  "version": "1.1.0",
   "dependencies": {
@@ -5,0 +5,0 @@ "loglevel": {

package.json

 {
   "name": "fh-sync-js",
-  "version": "1.0.3",
+  "version": "1.1.0",
   "description": "Javascript client for fh-sync offline synchronization library",
@@ -5,0 +5,0 @@ "main": "src/index.js",

src/sync-client.js

@@ -5,2 +5,4 @@ var CryptoJS = require("../libs/generated/crypto");
 
+var MILLISECONDS_IN_MINUTE = 60*1000;
+
 var self = {
@@ -48,3 +50,7 @@
     // Amount of space to request from the HTML5 filesystem API when running in browser
-    "icloud_backup" : false //ios only. If set to true, the file will be backed by icloud
+    "icloud_backup" : false, //ios only. If set to true, the file will be backed by icloud
+    // If set, the client will resend those inflight pending changes that have lived longer than this value.
+    // This is to prevent the situation where updates are lost for certain pending changes, those pending changes will be stuck on the client forever.
+    // Default value is 24 hours.
+    "resend_inflight_pendings_minutes": 60*24
   },
@@ -536,2 +542,14 @@
 
+  shouldResendInflightPending: function(dataSet, pendingRecord) {
+    if (dataSet.config && dataSet.config.resend_inflight_pendings_minutes > 0 && pendingRecord.inFlight && pendingRecord.inFlightDate && !pendingRecord.crashed) {
+      var now = new Date().getTime();
+      var elapsedSinceSubmission = now - pendingRecord.inFlightDate;
+      if ( elapsedSinceSubmission >= dataSet.config.resend_inflight_pendings_minutes * MILLISECONDS_IN_MINUTE) {
+        return true;
+      }
+    }
+
+    return false;
+  },
+
   addPendingObj: function(dataset_id, uid, data, action, success, failure) {
@@ -627,2 +645,5 @@ self.isOnline(function (online) {
               }
+              if( self.shouldResendInflightPending(dataSet, pending[i]) ) {
+                pendingArray.push(pending[i]);
+              }
             }
@@ -629,0 +650,0 @@ syncLoopParams.pending = pendingArray;

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