当多个项目需要打字稿时,是否有办法减少VS Code中的node.js任务/进程?

问题描述

我正在使用Visual Studio Code(VSCode)进行较大的项目,在一个工作区中大约有10到15个子git项目。

所有这些项目都是Typescript,所以我使用tasks.json + vscode选项Tasks: Manage Automatic Tasks in Folder

这导致10-15个节点进程,每个进程使用大约1-4%的cpu使用率。不幸的是,我有多个工作空间开放,所以我最终有很多节点进程,不仅消耗了我的内存,而且还消耗了我的cpu

It heats up my pc and I want to kNow if this can be prevented. 

有些项目我经常更改(2-3),有些项目总是掌握在我的手下,而我大麦却从未碰过它们。您是否有最佳实践来克服这个问题?

我在屏幕上的问题

my screen

我的code --status摘要):

cpu %   Mem MB     PID  Process
1      197   28044  code main
1     1114   28046     gpu-process
0        0   28048     utility
0     1442   28051     window (textarea.vue — d-reporting-vue-ws)
...
15       66   97382           electron_node cli.js 
0      328   28391       extensionHost
0       66   30325         electron_node tsserver.js 
0      721   30327         electron_node tsserver.js 
0       66   30358           electron_node typingsInstaller.js typesMap.js 
0      393   30361         /nvm/versions/node/v12.16.3/bin/node //.vscode/extensions/dbaeumer.vscode-eslint-2.1.8/server/out/eslintServer.js --node-ipc --clientProcessId=28391
0        0   97363         electron_node ms-vscode.js bundle.js 
0        0   28947       watcherService
1        0   31594       node ...-reporting-ws/w-articleloader/node_modules/.bin/tsc -p ...-reporting-ws/w-articleloader/tsconfig.json --watch
2        0   31596       node ...-reporting-ws/w-api-redis/node_modules/.bin/tsc -p ...-reporting-ws/w-api-redis/tsconfig.json --watch
2        0   31598       node ...-reporting-ws/w-api-i18n/node_modules/.bin/tsc -p ...-reporting-ws/w-api-i18n/tsconfig.json --watch
2        0   31599       node ...-reporting-ws/w-api-elasticsearch/node_modules/.bin/tsc -p ...-reporting-ws/w-api-elasticsearch/tsconfig.json --watch
1        0   31600       node ...-reporting-ws/w-api-db/node_modules/.bin/tsc -p ...-reporting-ws/w-api-db/tsconfig.json --watch
4        0   31601       node ...-reporting-ws/d-lib-hb/node_modules/.bin/tsc -p ...-reporting-ws/d-lib-hb/tsconfig.json --watch
3      197   31603       node ...-reporting-ws/node_modules/.bin/tsc -p ...-reporting-ws/d-reporting-hb/tsconfig.json --watch
3        0   31604       node ...-reporting-ws/w-resource-manager/node_modules/.bin/tsc -p ...-reporting-ws/w-resource-manager/tsconfig.json --watch
1        0   31605       node ...-reporting-ws/w-logger-winston/node_modules/.bin/tsc -p ...-reporting-ws/w-logger-winston/tsconfig.json --watch
3        0   31607       node ...-reporting-ws/w-mailer/node_modules/.bin/tsc -p ...-reporting-ws/w-mailer/tsconfig.json --watch
2        0   31608       node ...-reporting-ws/w-core/node_modules/.bin/tsc -p ...-reporting-ws/w-core/tsconfig.json --watch
1        0   31609       node ...-reporting-ws/w-base-types/node_modules/.bin/tsc -p ...-reporting-ws/w-base-types/tsconfig.json --watch
2        0   31610       node ...-reporting-ws/w-fulfillment-lib/node_modules/.bin/tsc -p ...-reporting-ws/w-fulfillment-lib/tsconfig.json --watch
3        0   31612       node ...-reporting-ws/w-rm-type-pug/node_modules/.bin/tsc -p ...-reporting-ws/w-rm-type-pug/tsconfig.json --watch
2        0   31615       node ...-reporting-ws/w-database-abstraction-couchdb/node_modules/.bin/tsc -p ...-reporting-ws/w-database-abstraction-couchdb/tsconfig.json --watch
2        0   31737       node ...-reporting-ws/w6-compatibility/node_modules/.bin/tsc -p ...-reporting-ws/w6-compatibility/tsconfig.json --watch
1        0   31738       node ...-reporting-ws/w-number-group/node_modules/.bin/tsc -p ...-reporting-ws/w-number-group/tsconfig.json --watch

我的tsconfig

{
"compilerOptions": {
    "target": "ES2016","module": "Commonjs","moduleResolution": "Node","resolveJsonModule": true,"esModuleInterop": true,"rootDir": "src","outDir": "./","sourceMap": true,"declaration": true,"strict": true,"noImplicitAny": true,"noImplicitReturns": true,"noUnusedLocals": true,"noUnusedParameters": true,"removeComments": true,"pretty": true,"forceConsistentCasingInFileNames": true,"allowJs": true,"baseUrl": ".","paths": {
        "*": ["types/*"]
    }
},"include": [
    "src"
],"exclude": [
    "node_modules"
]}

最后是我的task.json(摘要

{
        "type": "typescript","tsconfig": "d-lib-hb/tsconfig.json","option": "watch","problemmatcher": [
            "$tsc-watch"
        ],"runoptions": {
            "runOn": "folderOpen"
        }
    }

解决方法

尽管它减少了大量的RAM | CPU使用率,但是您还可以通过排除一些不重要且几乎不涉及的文件夹/项目来减少vscode用于较大项目的资源量,例如:node_modules,.vscode,git等...

阅读有关此操作的中篇文章,我写道...希望它对您有所帮助...

Make Visual Studio Code Less RAM Consuming & Faster

,

我找到了一个意外的解决方案,因为我试图减少任务量,但是如何减少每个任务的影响呢?

解决方案

设置环境变量

TSC_NONPOLLING_WATCHER="1" 

就我而言,我必须通过{p>

.zprofile

这里可以很好地解释差异:https://medium.com/@julioromano/writing-typescript-on-a-laptop-this-might-improve-your-battery-life-f503dd16f019

我什至可以帮助另一个两年前遇到同样问题的人: Does tsc-watch consume TSC_NONPOLLING_WATCHER?

总的来说,我真的很高兴,我的笔记本电脑也相当安静(使用率是2-5%,而不是30%)。