@memlab/core - npm Package Compare versions

Comparing version 1.1.14 to 1.1.16

dist/index.d.ts

@@ -53,3 +53,7 @@ /**
 /** @internal */
+export { default as MultiIterationSeqClustering } from './trace-cluster/MultiIterationSeqClustering';
+/** @internal */
 export { default as TraceFinder } from './paths/TraceFinder';
+/** @internal */
+export * from './trace-cluster/ClusterUtils';
 //# sourceMappingURL=index.d.ts.map

dist/index.js

@@ -38,3 +38,3 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.TraceFinder = exports.SequentialClustering = exports.EvaluationMetric = exports.NormalizedTrace = exports.leakClusterLogger = exports.ProcessManager = exports.modes = exports.constant = exports.analysis = exports.browserInfo = exports.serializer = exports.fileManager = exports.utils = exports.BaseOption = exports.info = exports.config = exports.registerPackage = void 0;
+exports.TraceFinder = exports.MultiIterationSeqClustering = exports.SequentialClustering = exports.EvaluationMetric = exports.NormalizedTrace = exports.leakClusterLogger = exports.ProcessManager = exports.modes = exports.constant = exports.analysis = exports.browserInfo = exports.serializer = exports.fileManager = exports.utils = exports.BaseOption = exports.info = exports.config = exports.registerPackage = void 0;
 const path_1 = __importDefault(require("path"));
@@ -105,3 +105,8 @@ const PackageInfoLoader_1 = require("./lib/PackageInfoLoader");
 /** @internal */
+var MultiIterationSeqClustering_1 = require("./trace-cluster/MultiIterationSeqClustering");
+Object.defineProperty(exports, "MultiIterationSeqClustering", { enumerable: true, get: function () { return __importDefault(MultiIterationSeqClustering_1).default; } });
+/** @internal */
 var TraceFinder_1 = require("./paths/TraceFinder");
 Object.defineProperty(exports, "TraceFinder", { enumerable: true, get: function () { return __importDefault(TraceFinder_1).default; } });
+/** @internal */
+__exportStar(require("./trace-cluster/ClusterUtils"), exports);

dist/lib/Config.d.ts

@@ -191,5 +191,9 @@ /**
     isSequentialClustering: boolean;
+    isMultiIterationSeqClustering: boolean;
     seqClusteringSplitCount: number;
+    multiIterSeqClusteringIteration: number;
+    multiIterSeqClusteringSampleSize: number;
     seqClusteringIsRandomChunks: boolean;
     instrumentJS: boolean;
+    interceptScript: boolean;
     constructor(options?: ConfigOption);
@@ -196,0 +200,0 @@ private initInternalConfigs;

dist/lib/Config.js

@@ -119,3 +119,5 @@ "use strict";
         this.runningMode = RunningModes_1.default.get('regular', this);
-        // intercept and rewrite JavaScript Code in browser
+        // intercept and log JavaScript Code in browser
+        this.interceptScript = false;
+        // rewrite JavaScript Code in browser
         this.instrumentJS = false;
@@ -143,4 +145,11 @@ // external heap snapshot paths, if enabled
         this.isSequentialClustering = false;
+        // if true, evaluating results with sequential
+        // clustering with multiple iterations
+        this.isMultiIterationSeqClustering = false;
         // split the sample leak traces into 4 smaller ones by default.
         this.seqClusteringSplitCount = 4;
+        // the number of iterations for multi-iteration sequential clustering
+        this.multiIterSeqClusteringIteration = 1;
+        // the number of trace samples to retain from each cluster
+        this.multiIterSeqClusteringSampleSize = Infinity;
         // if true, split dataset into trunks
@@ -147,0 +156,0 @@ // with random order for sequential clustering

dist/lib/Serializer.js

@@ -277,3 +277,3 @@ "use strict";
     const info = Object.create(null);
-    const key = 'variables in scope (used by nested closures)';
+    const key = 'variables in defining scope (used by nested closures)';
     const closure_vars = (info[key] = Object.create(null));
@@ -280,0 +280,0 @@ iterateSelectedEdges(node, (edge) => {

dist/lib/Utils.js

@@ -543,3 +543,6 @@ "use strict";
     }
-    return Constant_1.default.namePrefixForScenarioFromFile + '-' + scenario.name();
+    if (Constant_1.default.namePrefixForScenarioFromFile.length > 0) {
+        return Constant_1.default.namePrefixForScenarioFromFile + '-' + scenario.name();
+    }
+    return scenario.name();
 }
@@ -825,4 +828,7 @@ function handleSnapshotError(e) {
 function hasOnlyWeakReferrers(node) {
-    const referrer = node.findAnyReferrer((edge) => edge.type !== 'weak' && edge.type !== 'shortcut');
-    return !!referrer;
+    const referrer = node.findAnyReferrer(
+    // shortcut references are added by JS engine
+    // GC won't consider shortcut as a retaining edge
+    (edge) => edge.type !== 'weak' && edge.type !== 'shortcut');
+    return referrer == null;
 }
@@ -829,0 +835,0 @@ function getRunMetaFilePath() {

dist/trace-cluster/ClusterUtils.d.ts

@@ -10,6 +10,20 @@ /**
  */
+import type { LeakTrace } from '../lib/Types';
 declare const _default: {
-    isSimilarTrace: (t1: import("..").LeakTrace, t2: import("..").LeakTrace) => boolean;
+    isSimilarTrace: (t1: LeakTrace, t2: LeakTrace) => boolean;
 };
 export default _default;
+/**
+ * const elements = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+ * randomChunks(elements, 3) -> [[4, 8, 3], [9, 5, 1], [2, 6, 7, 10]]
+ * @internal
+ */
+export declare const randomChunks: <T>(items: T[], n: number) => T[][];
+/**
+ * chunks(elements, 3) -> [[1, 2, 3], [4, 5, 6], [7, 8, 9, 10]]
+ * @internal
+ */
+export declare const chunks: <T>(items: T[], n: number) => T[][];
+/** @internal*/
+export declare const lastNodeFromTrace: (trace: LeakTrace) => import("../lib/Types").LeakTraceElement;
 //# sourceMappingURL=ClusterUtils.d.ts.map

dist/trace-cluster/ClusterUtils.js

@@ -15,4 +15,46 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
+exports.lastNodeFromTrace = exports.chunks = exports.randomChunks = void 0;
 const ClusterUtilsHelper_1 = __importDefault(require("./ClusterUtilsHelper"));
 const ClusteringHeuristics_1 = __importDefault(require("./ClusteringHeuristics"));
 exports.default = ClusterUtilsHelper_1.default.initialize(ClusteringHeuristics_1.default);
+/**
+ * const elements = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+ * randomChunks(elements, 3) -> [[4, 8, 3], [9, 5, 1], [2, 6, 7, 10]]
+ * @internal
+ */
+const randomChunks = (items, n) => {
+    const array = [...items];
+    const size = Math.floor(array.length / n);
+    const chunks = [];
+    for (let i = 0; i < n - 1; i++) {
+        const chunk = [];
+        for (let j = 0; j < size; j++) {
+            const idx = Math.floor(Math.random() * array.length);
+            chunk[j] = array[idx];
+            array.splice(idx, 1);
+        }
+        chunks.push(chunk);
+    }
+    chunks.push(array);
+    return chunks;
+};
+exports.randomChunks = randomChunks;
+/**
+ * chunks(elements, 3) -> [[1, 2, 3], [4, 5, 6], [7, 8, 9, 10]]
+ * @internal
+ */
+const chunks = (items, n) => {
+    const array = [...items];
+    const size = Math.floor(array.length / n);
+    const chunks = [];
+    for (let i = 0; i < n - 1; i++) {
+        const chunk = array.splice(0, size);
+        chunks.push(chunk);
+    }
+    chunks.push(array);
+    return chunks;
+};
+exports.chunks = chunks;
+/** @internal*/
+const lastNodeFromTrace = (trace) => trace[trace.length - 1];
+exports.lastNodeFromTrace = lastNodeFromTrace;

dist/trace-cluster/TraceBucket.js

@@ -24,2 +24,3 @@ "use strict";
 const MLTraceSimilarityStrategy_1 = __importDefault(require("./strategies/MLTraceSimilarityStrategy"));
+const ClusterUtils_1 = require("./ClusterUtils");
 // sync up with html/intern/js/webspeed/memlab/lib/LeakCluster.js
@@ -170,6 +171,5 @@ class NormalizedTrace {
     static clusteredLeakTracesToRecord(allClusters) {
-        const lastNodeFromTrace = (trace) => trace[trace.length - 1];
         const labaledLeakTraces = allClusters.reduce((acc, bucket) => {
-            const lastNodeFromFirstTrace = lastNodeFromTrace(bucket[0]);
-            bucket.map(lastNodeFromTrace).forEach(lastNodeInTrace => {
+            const lastNodeFromFirstTrace = (0, ClusterUtils_1.lastNodeFromTrace)(bucket[0]);
+            bucket.map(ClusterUtils_1.lastNodeFromTrace).forEach(lastNodeInTrace => {
                 if (lastNodeInTrace.id == null || lastNodeFromFirstTrace.id == null) {
@@ -176,0 +176,0 @@ throw new Error('node id not found in last node of the leak trace');

package.json

 {
   "name": "@memlab/core",
-  "version": "1.1.14",
+  "version": "1.1.16",
   "license": "MIT",
@@ -5,0 +5,0 @@ "description": "memlab core libraries",

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Improved metrics

Total package byte prevSize

551230

increased by1.62%

Number of package files

127

increased by1.6%

Lines of code

14248

increased by1.54%

No dependency changes