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print heap stats instead of memory usage (#203959)
* print heap stats instead of memory usage * ensure no hanging on to service --------- Co-authored-by: João Moreno <joao.moreno@microsoft.com>
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@ -5,6 +5,7 @@
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*--------------------------------------------------------------------------------------------*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Mangler = void 0;
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const v8 = require("node:v8");
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const fs = require("fs");
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const path = require("path");
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const process_1 = require("process");
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@ -293,19 +294,17 @@ const skippedExportMangledSymbols = [
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class DeclarationData {
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fileName;
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node;
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service;
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replacementName;
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constructor(fileName, node, service, fileIdents) {
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constructor(fileName, node, fileIdents) {
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this.fileName = fileName;
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this.node = node;
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this.service = service;
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// Todo: generate replacement names based on usage count, with more used names getting shorter identifiers
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this.replacementName = fileIdents.next();
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}
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get locations() {
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getLocations(service) {
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if (ts.isVariableDeclaration(this.node)) {
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// If the const aliases any types, we need to rename those too
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const definitionResult = this.service.getDefinitionAndBoundSpan(this.fileName, this.node.name.getStart());
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const definitionResult = service.getDefinitionAndBoundSpan(this.fileName, this.node.name.getStart());
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if (definitionResult?.definitions && definitionResult.definitions.length > 1) {
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return definitionResult.definitions.map(x => ({ fileName: x.fileName, offset: x.textSpan.start }));
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}
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@ -404,7 +403,7 @@ class Mangler {
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if (isInAmbientContext(node)) {
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return;
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}
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this.allExportedSymbols.add(new DeclarationData(node.getSourceFile().fileName, node, service, fileIdents));
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this.allExportedSymbols.add(new DeclarationData(node.getSourceFile().fileName, node, fileIdents));
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}
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}
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ts.forEachChild(node, visit);
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@ -528,7 +527,7 @@ class Mangler {
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continue;
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}
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const newText = data.replacementName;
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for (const { fileName, offset } of data.locations) {
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for (const { fileName, offset } of data.getLocations(service)) {
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queueRename(fileName, offset, newText);
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}
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}
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@ -615,7 +614,7 @@ class Mangler {
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}
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service.dispose();
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this.renameWorkerPool.terminate();
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this.log(`Done: ${savedBytes / 1000}kb saved, memory-usage: ${JSON.stringify(process.memoryUsage())}`);
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this.log(`Done: ${savedBytes / 1000}kb saved, memory-usage: ${JSON.stringify(v8.getHeapStatistics())}`);
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return result;
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}
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}
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@ -3,6 +3,7 @@
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as v8 from 'node:v8';
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import * as fs from 'fs';
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import * as path from 'path';
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import { argv } from 'process';
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@ -338,17 +339,16 @@ class DeclarationData {
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constructor(
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readonly fileName: string,
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readonly node: ts.FunctionDeclaration | ts.ClassDeclaration | ts.EnumDeclaration | ts.VariableDeclaration,
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private readonly service: ts.LanguageService,
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fileIdents: ShortIdent,
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) {
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// Todo: generate replacement names based on usage count, with more used names getting shorter identifiers
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this.replacementName = fileIdents.next();
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}
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get locations(): Iterable<{ fileName: string; offset: number }> {
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getLocations(service: ts.LanguageService): Iterable<{ fileName: string; offset: number }> {
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if (ts.isVariableDeclaration(this.node)) {
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// If the const aliases any types, we need to rename those too
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const definitionResult = this.service.getDefinitionAndBoundSpan(this.fileName, this.node.name.getStart());
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const definitionResult = service.getDefinitionAndBoundSpan(this.fileName, this.node.name.getStart());
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if (definitionResult?.definitions && definitionResult.definitions.length > 1) {
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return definitionResult.definitions.map(x => ({ fileName: x.fileName, offset: x.textSpan.start }));
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}
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@ -471,7 +471,7 @@ export class Mangler {
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return;
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}
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this.allExportedSymbols.add(new DeclarationData(node.getSourceFile().fileName, node, service, fileIdents));
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this.allExportedSymbols.add(new DeclarationData(node.getSourceFile().fileName, node, fileIdents));
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}
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}
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@ -620,7 +620,7 @@ export class Mangler {
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}
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const newText = data.replacementName;
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for (const { fileName, offset } of data.locations) {
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for (const { fileName, offset } of data.getLocations(service)) {
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queueRename(fileName, offset, newText);
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}
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}
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@ -723,7 +723,8 @@ export class Mangler {
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service.dispose();
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this.renameWorkerPool.terminate();
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this.log(`Done: ${savedBytes / 1000}kb saved, memory-usage: ${JSON.stringify(process.memoryUsage())}`);
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this.log(`Done: ${savedBytes / 1000}kb saved, memory-usage: ${JSON.stringify(v8.getHeapStatistics())}`);
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return result;
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}
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}
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