vega-dataflow - npm Package Compare versions

Comparing version 5.6.0 to 5.7.0

build/vega-dataflow.min.js

@@ -1,1 +0,1 @@
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r=this.fields;return!(!e&&!this.mod.length||!r)&&(arguments.length?n.isArray(t)?t.some(t=>r[t]):r[t]:!!r)},S.filter=function(t,n){var e=this;return 1&t&&(e.addF=L(e.addF,n)),2&t&&(e.remF=L(e.remF,n)),4&t&&(e.modF=L(e.modF,n)),16&t&&(e.srcF=L(e.srcF,n)),e},S.materialize=function(t){var n=this;return 1&(t=t||7)&&n.addF&&(n.add=R(n.add,n.addF),n.addF=null),2&t&&n.remF&&(n.rem=R(n.rem,n.remF),n.remF=null),4&t&&n.modF&&(n.mod=R(n.mod,n.modF),n.modF=null),16&t&&n.srcF&&(n.source=n.source.filter(n.srcF),n.srcF=null),n},S.visit=function(t,e){var r,i,s=this,a=e;return 16&t?(n.visitArray(s.source,s.srcF,a),s):(1&t&&n.visitArray(s.add,s.addF,a),2&t&&n.visitArray(s.rem,s.remF,a),4&t&&n.visitArray(s.mod,s.modF,a),8&t&&(r=s.source)&&((i=s.add.length+s.mod.length)===r.length||(i?n.visitArray(r,x(s,5),a):n.visitArray(r,s.srcF,a))),s)};var z=n.inherits(C,M);function U(t){return t.error("Dataflow already running. Use runAsync() to chain invocations."),t}z.fork=function(t){var n=new M(this.dataflow).init(this,t&this.NO_FIELDS);return void 0!==t&&(t&n.ADD&&this.visit(n.ADD,(function(t){return n.add.push(t)})),t&n.REM&&this.visit(n.REM,(function(t){return n.rem.push(t)})),t&n.MOD&&this.visit(n.MOD,(function(t){return n.mod.push(t)}))),n},z.changed=function(t){return this.changes&t},z.modified=function(t){var e=this,r=e.fields;return r&&e.changes&e.MOD?n.isArray(t)?t.some((function(t){return r[t]})):r[t]:0},z.filter=function(){n.error("MultiPulse does not support filtering.")},z.materialize=function(){n.error("MultiPulse does not support materialization.")},z.visit=function(t,n){var e=this,r=e.pulses,i=r.length,s=0;if(t&e.SOURCE)for(;s<i;++s)r[s].visit(t,n);else for(;s<i;++s)r[s].stamp===e.stamp&&r[s].visit(t,n);return e};var j={skip:!1,force:!1};function T(t){var n=[];return{clear:()=>n=[],size:()=>n.length,peek:()=>n[0],push:e=>(n.push(e),N(n,0,n.length-1,t)),pop:()=>{var e,r=n.pop();return n.length?(e=n[0],n[0]=r,function(t,n,e){var r,i=n,s=t.length,a=t[n],u=1+(n<<1);for(;u<s;)(r=u+1)<s&&e(t[u],t[r])>=0&&(u=r),t[n]=t[u],u=1+((n=u)<<1);t[n]=a,N(t,i,n,e)}(n,0,t)):e=r,e}}}function N(t,n,e,r){var i,s,a;for(i=t[e];e>n&&r(i,s=t[a=e-1>>1])<0;)t[e]=s,e=a;return t[e]=i}function I(){this.logger(n.logger()),this.logLevel(n.Error),this._clock=0,this._rank=0,this._locale=r.defaultLocale();try{this._loader=e.loader()}catch(t){}this._touched=i(n.id),this._input={},this._pulse=null,this._heap=T((t,n)=>t.qrank-n.qrank),this._postrun=[]}var $=I.prototype;function W(t){return function(){return this._log[t].apply(this,arguments)}}function B(t,n){y.call(this,t,null,n)}$.stamp=function(){return this._clock},$.loader=function(t){return arguments.length?(this._loader=t,this):this._loader},$.locale=function(t){return arguments.length?(this._locale=t,this):this._locale},$.cleanThreshold=1e4,$.add=function(t,e,r,i){var s,a=1;return t instanceof y?s=t:t&&t.prototype instanceof y?s=new t:n.isFunction(t)?s=new y(null,t):(a=0,s=new y(t,e)),this.rank(s),a&&(i=r,r=e),r&&this.connect(s,s.parameters(r,i)),this.touch(s),s},$.connect=function(t,n){var e,r,i=t.rank;for(e=0,r=n.length;e<r;++e)if(i<n[e].rank)return void this.rerank(t)},$.rank=function(t){t.rank=++this._rank},$.rerank=function(t){for(var e,r,i,s=[t];s.length;)if(this.rank(e=s.pop()),r=e._targets)for(i=r.length;--i>=0;)s.push(e=r[i]),e===t&&n.error("Cycle detected in dataflow graph.")},$.pulse=function(t,n,e){this.touch(t,e||j);var r=new M(this,this._clock+(this._pulse?0:1)),i=t.pulse&&t.pulse.source||[];return r.target=t,this._input[t.id]=n.pulse(r,i),this},$.touch=function(t,n){var e=n||j;return this._pulse?this._enqueue(t):this._touched.add(t),e.skip&&t.skip(!0),this},$.update=function(t,n,e){var r=e||j;return(t.set(n)||r.force)&&this.touch(t,r),this},$.changeset=d,$.ingest=function(t,n,e){return n=this.parse(n,e),this.pulse(t,this.changeset().insert(n))},$.parse=function(t,n){const r=this.locale();return e.read(t,n,r.timeParse,r.utcParse)},$.preload=async function(t,e,r){const i=this,s=i._pending||function(t){var n,e=new Promise((function(t){n=t}));return e.requests=0,e.done=function(){0==--e.requests&&(t._pending=null,n(t))},t._pending=e}(i);s.requests+=1;const a=await i.request(e,r);return i.pulse(t,i.changeset().remove(n.truthy).insert(a.data||[])),s.done(),a},$.request=async function(t,n){const r=this;let i,s=0;try{i=await r.loader().load(t,{context:"dataflow",response:e.responseType(n&&n.type)});try{i=r.parse(i,n)}catch(n){s=-2,r.warn("Data ingestion failed",t,n)}}catch(n){s=-1,r.warn("Loading failed",t,n)}return{data:i,status:s}},$.events=function(t,e,r,i){for(var s,a=this,u=D(r,i),o=function(t){t.dataflow=a;try{u.receive(t)}catch(t){a.error(t)}finally{a.run()}},l=0,c=(s="string"==typeof t&&"undefined"!=typeof document?document.querySelectorAll(t):n.array(t)).length;l<c;++l)s[l].addEventListener(e,o);return u},$.on=function(t,n,e,r,i){return(t instanceof y?O:q)(this,t,n,e,r,i),this},$.evaluate=async function(t,e,r){const a=this,u=[];if(a._pulse)return U(a);if(a._pending&&await a._pending,e&&await s(a,e),!a._touched.length)return a.debug("Dataflow invoked, but nothing to do."),a;const o=++a._clock;a._pulse=new M(a,o,t),a._touched.forEach(t=>a._enqueue(t,!0)),a._touched=i(n.id);let l,c,h,f=0;try{for(;a._heap.size()>0;)l=a._heap.pop(),l.rank===l.qrank?(c=l.run(a._getPulse(l,t)),c.then?c=await c:c.async&&(u.push(c.async),c=b),c!==b&&l._targets&&l._targets.forEach(t=>a._enqueue(t)),++f):a._enqueue(l,!0)}catch(t){a._heap.clear(),h=t}if(a._input={},a._pulse=null,a.debug(`Pulse ${o}: ${f} operators`),h&&(a._postrun=[],a.error(h)),a._postrun.length){const t=a._postrun.sort((t,n)=>n.priority-t.priority);a._postrun=[];for(let n=0;n<t.length;++n)await s(a,t[n].callback)}return r&&await s(a,r),u.length&&Promise.all(u).then(t=>a.runAsync(null,()=>{t.forEach(t=>{try{t(a)}catch(t){a.error(t)}})})),a},$.run=function(t,n,e){return this._pulse?U(this):(this.evaluate(t,n,e),this)},$.runAsync=async function(t,n,e){for(;this._running;)await this._running;const r=()=>this._running=null;return(this._running=this.evaluate(t,n,e)).then(r,r),this._running},$.runAfter=function(t,n,e){if(this._pulse||n)this._postrun.push({priority:e||0,callback:t});else try{t(this)}catch(t){this.error(t)}},$._enqueue=function(t,n){var e=t.stamp<this._clock;e&&(t.stamp=this._clock),(e||n)&&(t.qrank=t.rank,this._heap.push(t))},$._getPulse=function(t,e){var r=t.source,i=this._clock;return r&&n.isArray(r)?new C(this,i,r.map(t=>t.pulse),e):this._input[t.id]||function(t,n){if(n&&n.stamp===t.stamp)return n;t=t.fork(),n&&n!==b&&(t.source=n.source);return t}(this._pulse,r&&r.pulse)},$.logger=function(t){return arguments.length?(this._log=t,this):this._log},$.error=W("error"),$.warn=W("warn"),$.info=W("info"),$.debug=W("debug"),$.logLevel=W("level");var G=n.inherits(B,y);G.run=function(t){return t.stamp<this.stamp?t.StopPropagation:(this.skip()?this.skip(!1):n=this.evaluate(t),(n=n||t).then?n=n.then(t=>this.pulse=t):n!==t.StopPropagation&&(this.pulse=n),n);var n},G.evaluate=function(t){var n=this.marshall(t.stamp),e=this.transform(n,t);return n.clear(),e},G.transform=function(){};var H={};function J(t){return t=t&&t.toLowerCase(),n.hasOwnProperty(H,t)?H[t]:null}t.Dataflow=I,t.EventStream=A,t.MultiPulse=C,t.Operator=y,t.Parameters=g,t.Pulse=M,t.Transform=B,t.UniqueList=i,t.asyncCallback=s,t.changeset=d,t.definition=function(t){var n=J(t);return n&&n.Definition||null},t.derive=function(t){return h(t,c({}))},t.ingest=c,t.isChangeSet=f,t.isTuple=function(t){return!(!t||!o(t))},t.rederive=h,t.replace=function(t,n){return l(n,o(t))},t.stableCompare=function(t,n){return t?n?(e,r)=>t(e,r)||o(n(e))-o(n(r)):(n,e)=>t(n,e)||o(n)-o(e):null},t.transform=J,t.transforms=H,t.tupleid=o,Object.defineProperty(t,"__esModule",{value:!0})}));

package.json

 {
   "name": "vega-dataflow",
-  "version": "5.6.0",
+  "version": "5.7.0",
   "description": "Reactive dataflow processing.",
@@ -32,3 +32,3 @@ "keywords": [
   },
-  "gitHead": "48c85218f2202242171aa569f2dca0f53cf2b51f"
+  "gitHead": "62565bbe084a422c4a0cbc6e19c6f7c45a3e5137"
 }

src/ChangeSet.js

@@ -14,2 +14,3 @@ import {ingest, tupleid} from './Tuple';
       modp = [], // modify by predicate
+      clean = null,
       reflow = false;
@@ -46,2 +47,6 @@
     },
+    clean: function(value) {
+      clean = value;
+      return this;
+    },
     reflow: function() {
@@ -137,2 +142,7 @@ reflow = true;
 
+      // set pulse garbage collection request
+      if (clean || clean == null && (rem.length || remp.length)) {
+        pulse.clean(true);
+      }
+
       return pulse;
@@ -139,0 +149,0 @@ }

src/dataflow/run.js

@@ -6,3 +6,3 @@ /* eslint-disable require-atomic-updates */
 import UniqueList from '../util/UniqueList';
-import {Debug, Info, id, isArray} from 'vega-util';
+import {id, isArray} from 'vega-util';
 
@@ -31,3 +31,2 @@ /**
   const df = this,
-        level = df.logLevel(),
         async = [];
@@ -39,5 +38,3 @@
   // wait for pending datasets to load
-  if (df._pending) {
-    await df._pending;
-  }
+  if (df._pending) await df._pending;
 
@@ -49,3 +46,3 @@ // invoke prerun function, if provided
   if (!df._touched.length) {
-    df.info('Dataflow invoked, but nothing to do.');
+    df.debug('Dataflow invoked, but nothing to do.');
     return df;
@@ -55,4 +52,3 @@ }
   // increment timestamp clock
-  let stamp = ++df._clock,
-      count = 0, op, next, dt, error;
+  const stamp = ++df._clock;
 
@@ -62,7 +58,2 @@ // set the current pulse
 
-  if (level >= Info) {
-    dt = Date.now();
-    df.debug('-- START PROPAGATION (' + stamp + ') -----');
-  }
-
   // initialize priority queue, reset touched operators
@@ -72,2 +63,4 @@ df._touched.forEach(op => df._enqueue(op, true));
 
+  let count = 0, op, next, error;
+
   try {
@@ -79,3 +72,6 @@ while (df._heap.size() > 0) {
       // re-queue if rank changed
-      if (op.rank !== op.qrank) { df._enqueue(op, true); continue; }
+      if (op.rank !== op.qrank) {
+        df._enqueue(op, true);
+        continue;
+      }
 
@@ -94,6 +90,2 @@ // otherwise, evaluate the operator
 
-      if (level >= Debug) {
-        df.debug(op.id, next === StopPropagation ? 'STOP' : next, op);
-      }
-
       // propagate evaluation, enqueue dependent operators
@@ -116,6 +108,3 @@ if (next !== StopPropagation) {
 
-  if (level >= Info) {
-    dt = Date.now() - dt;
-    df.info('> Pulse ' + stamp + ': ' + count + ' operators; ' + dt + 'ms');
-  }
+  df.debug(`Pulse ${stamp}: ${count} operators`);
 
@@ -141,5 +130,6 @@ if (error) {
   if (async.length) {
-    Promise.all(async).then(cb => df.runAsync(null, () => {
-      cb.forEach(f => { try { f(df); } catch (err) { df.error(err); } });
-    }));
+    Promise.all(async)
+      .then(cb => df.runAsync(null, () => {
+        cb.forEach(f => { try { f(df); } catch (err) { df.error(err); } });
+      }));
   }
@@ -146,0 +136,0 @@

src/Operator.js

@@ -191,2 +191,21 @@ import Parameters from './Parameters';
 /**
+ * Detach this operator from the dataflow.
+ * Unregisters listeners on upstream dependencies.
+ */
+prototype.detach = function() {
+  var argops = this._argops,
+      i, n, item, op;
+
+  if (argops) {
+    for (i=0, n=argops.length; i<n; ++i) {
+      item = argops[i];
+      op = item.op;
+      if (op._targets) {
+        op._targets.remove(this);
+      }
+    }
+  }
+};
+
+/**
  * Delegate method to perform operator processing.
@@ -193,0 +212,0 @@ * Subclasses can override this method to perform custom processing.

src/Pulse.js

@@ -7,15 +7,15 @@ import {tupleid} from './Tuple';
  */
-export var StopPropagation = {};
+export const StopPropagation = {};
 
 // Pulse visit type flags
-var ADD       = (1 << 0),
-    REM       = (1 << 1),
-    MOD       = (1 << 2),
-    ADD_REM   = ADD | REM,
-    ADD_MOD   = ADD | MOD,
-    ALL       = ADD | REM | MOD,
-    REFLOW    = (1 << 3),
-    SOURCE    = (1 << 4),
-    NO_SOURCE = (1 << 5),
-    NO_FIELDS = (1 << 6);
+const ADD       = (1 << 0),
+      REM       = (1 << 1),
+      MOD       = (1 << 2),
+      ADD_REM   = ADD | REM,
+      ADD_MOD   = ADD | MOD,
+      ALL       = ADD | REM | MOD,
+      REFLOW    = (1 << 3),
+      SOURCE    = (1 << 4),
+      NO_SOURCE = (1 << 5),
+      NO_FIELDS = (1 << 6);
 
@@ -55,3 +55,3 @@ /**
 
-var prototype = Pulse.prototype;
+const prototype = Pulse.prototype;
 
@@ -140,3 +140,3 @@ /**
 prototype.clone = function() {
-  var p = this.fork(ALL);
+  const p = this.fork(ALL);
   p.add = p.add.slice();
@@ -160,4 +160,4 @@ p.rem = p.rem.slice();
 prototype.addAll = function() {
-  var p = this;
-  if (!this.source || this.source.length === this.add.length) {
+  let p = this;
+  if (!p.source || p.source.length === p.add.length) {
     return p;
@@ -185,3 +185,3 @@ } else {
 prototype.init = function(src, flags) {
-  var p = this;
+  const p = this;
   p.stamp = src.stamp;
@@ -224,2 +224,3 @@ p.encode = src.encode;
     p.source = src.source;
+    if (src.cleans) p.cleans = src.cleans;
   }
@@ -272,2 +273,15 @@
 /**
+ * Get/set metadata to pulse requesting garbage collection
+ * to reclaim currently unused resources.
+ */
+prototype.clean = function(value) {
+  if (arguments.length) {
+    this.cleans = !!value;
+    return this;
+  } else {
+    return this.cleans;
+  }
+};
+
+/**
  * Marks one or more data field names as modified to assist dependency
@@ -301,3 +315,3 @@ * tracking and incremental processing by transform operators.
     : !arguments.length ? !!fields
-    : isArray(_) ? _.some(function(f) { return fields[f]; })
+    : isArray(_) ? _.some(f => fields[f])
     : fields[_];
@@ -331,3 +345,5 @@ };
 function addFilter(a, b) {
-  return a ? function(t,i) { return a(t,i) && b(t,i); } : b;
+  return a
+    ? (t, i) => a(t, i) && b(t, i)
+    : b;
 }
@@ -366,3 +382,3 @@
   var out = [];
-  visitArray(data, filter, function(_) { out.push(_); });
+  visitArray(data, filter, _ => out.push(_));
   return out;
@@ -374,3 +390,3 @@ }
   pulse.visit(flags, function(t) { map[tupleid(t)] = 1; });
-  return function(t) { return map[tupleid(t)] ? null : t; };
+  return t => map[tupleid(t)] ? null : t;
 }
@@ -377,0 +393,0 @@

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

162608

increased by0.79%

Lines of code

4002

increased by1.63%

No dependency changes