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SKILLS.md

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Personal profile of software engineering skills

⬜ Optional, 🟦 Required for all, 🟨 Required for js, 🟩 Learned, 🟥 Declined

Fundamental concepts

Syntax Statements Functions Data structures Process & style
🟦 value 🟦 if 🟦 recursion 🟦 array 🟦 refactoring
🟦 identifier 🟦 loops 🟦 function 🟦 instance 🟦 code review
🟦 variable 🟦 assignment 🟦 return 🟦 object 🟦 antipatterns
🟦 constant 🟨 prototype 🟦 signature 🟦 collection 🟦 paradigm
🟦 scalar 🟦 class 🟦 argument 🟦 hash table 🟦 algorithm
🟦 literal 🟦 while 🟦 parameter 🟦 linked list 🟦 magic numbers
🟦 expression 🟦 do..while 🟦 pure function 🟦 queue 🟦 hardcode
🟦 heap 🟦 for 🟦 lambda 🟦 stack 🟦 complexity
🟦 type 🟨 for..in 🟦 side effects 🟦 deque 🟦 decomposition
🟦 primitive types 🟨 for..of 🟦 closure 🟦 serialization ⬜️ spaghetti
🟦 reference 🟨 for await 🟦 partial 🟦 mixin, extend ⬜️ silver bullet
🟦 flag 🟦 throw ⬜️ curry 🟨 iterator ⬜️ not invented here
🟦 lexical scope 🟦 try..catch 🟦 chaining 🟨 typed arrays 🟦 dead code
🟦 code block 🟦 equality operators 🟦 higher order 🟨 Map 🟦 unreachable code
🟨 Object 🟦 logical operators 🟦 callback 🟨 Set 🟦 duplicate code
🟨 this 🟦 bitwise operators 🟦 listener ⬜️ weak collections 🟦 exception
🟨 arrow function 🟦 break, continue ⬜️ pipe ⬜️ Proxy 🟦 return early
🟨 generator 🟦 switch ⬜ compose ⬜️ Symbol 🟦 linter
🟨 async function 🟨 new Error ⬜️ memoize 🟨 string parsing ⬜️ prettier
🟨 call, bind, apply 🟦 factory 🟨 timers 🟦 unittest
🟨 Array 🟦 pool 🟨 EventEmitter 🟦 git
🟨 instanceof 🟦 wrapper 🟨 RegExp 🟦 github
🟨 ...spread 🟨 default parameters 🟨 global 🟨 node.js
🟨 ...rest 🟨 undefined 🟨 npm
🟨 typeof 🟦 null

Multi-paradigm programming

Theory OOP basics Abstractions Patterns
🟦 Procedural programming 🟦 constructor ⬜ struct, record 🟦 Singleton
🟦 Imperative programming 🟦 new ⬜ Mutable state
🟦 Structured programming 🟦 Static method ⬜ Immutable state
🟦 Non-structured programming 🟦 Method ⬜ Enum
🟦 Functional programming 🟦 Async method 🟦 Linked list
🟦 Prototype-based programming 🟦 Getters, Setters 🟦 Doubly list
🟦 Object-oriented programming 🟦 Public fields 🟦 Unrolled list
⬜ Object-based programming 🟦 Private fields 🟦 Circular list
🟦 Generic programming 🟦 Field declarations 🟦 Trees
🟦 Concurrent computing 🟦 Inheritance 🟦 Graphs
🟦 Asyncronous programming 🟦 Parent class 🟦 Functor
🟦 Parallel programming 🟦 Polymorphism 🟦 Functional object
🟦 Reactive programming 🟦 Abstract class ⬜ Monad
⬜ FRP (Functional-reactive) 🟦 Interface 🟦 Generator
🟦 Automata-based programming 🟦 Encapsulation 🟦 Iterator
🟦 Domain-specific languages ⬜ Hidden class 🟦 Async Iterator
🟦 Multi-paradigm programming ⬜ Object form
⬜ Metaprogramming 🟦 instance
⬜ Actor model ⬜ Introspection
⬜ Reflection

Asynchronous programming

Async contracts JavaScript & Node.js specific Theory Techniques
🟦 Callback-last 🟦 Timers 🟦 Event Loop ⬜ async.js library
🟦 Error-first 🟦 setImmediate 🟦 Async error ⬜ Async composition
🟦 Promise 🟦 nextTick 🟦 try..catch ⬜ Rx.js
🟦 Async function ⬜ AbortController 🟦 Non-blocking 🟦 Sequential async
🟦 await 🟦 Promise unhandled rejection 🟦 Async I/O 🟦 Parallel async
🟦 Generator 🟦 Promise double resolve 🟦 Pattern Reactor 🟦 Promise.all
🟦 Async Generator 🟦 child_process ⬜ CAS operations 🟦 Promise.allSettled
🟦 Async Iterator 🟦 worker_threads ⬜ epoll 🟦 Promise.race
🟦 Thenable 🟦 Atomics ⬜ kqueue 🟦 Promise.any
🟦 EventEmitter 🟦 Blockeing operations ⬜ Completion ports ⬜ Web Locks API
⬜ Cancelable callback 🟦 Non-blocking loop for Array ⬜ Event ports ⬜ Async Pool
⬜ Cancelable Promise ⬜ High resolution clock 🟦 libuv ⬜ Thread Pool
🟦 Asynchronous Queue 🟦 Callback hell 🟦 Race conditions 🟦 callbackify
⬜ Future 🟦 Promise hell 🟦 Dead locks 🟦 promisify
⬜ Deferred 🟦 Live locks ⬜ IPC
🟦 Observer ⬜ Actor Model ⬜ Channel API
⬜ Async Collector ⬜ Revealing Constructor
⬜ Coroutine
⬜ Goroutine

Node.js and backend

Internals Theory Network Technique Problems
🟦 Nonblocking I/O 🟦 I/O bound tasks 🟦 HTTP(S) 🟦 Logging 🟦 Memory leaks
🟦 Event Loop 🟦 CPU bound tasks 🟦 TCP/SSL 🟦 Testing 🟦 Resource leaks
🟦 commonjs 🟦 Memory bound tasks 🟦 UDP ⬜ CI/CD 🟦 Blocking code
🟦 ECMA modules 🟦 Multilayer approach 🟦 TLS 🟦 Readable 🟦 Data race
🟦 Network API 🟦 Separation of concerns 🟦 Websocket 🟦 Writable 🟦 Graceful Shutdown
⬜ Addons 🟦 Inversion of control ⬜ SSE 🟦 Transform 🟦 Dependencies
⬜ N-API 🟦 Dependency injection ⬜ HTTP/3 (QUIC) ⬜ back pressure
⬜ Webassembly 🟦 GRASP for JS and Node.js ⬜ Long polling 🟦 Buffer
🟦 npm 🟦 SOLID for JS and Node.js 🟦 REST 🟦 Console
🟦 node_modules 🟦 GoF for JS and Node.js 🟦 RPC 🟦 Inspector
🟦 package.json ⬜ Distributed systems 🟦 Routing 🟦 Reliability
🟦 vm isolation ⬜ Highload applications 🟦 IP sticky 🟦 Quality
🟦 command line args 🟦 DDD 🟦 DoS 🟦 Availability
⬜ Node.js CLI 🟦 Clean architecture 🟦 DDoS 🟦 Flexibility
🟦 Streams 🟦 Domain in the middle 🟦 XSS
🟦 Clustering 🟦 Message Queue 🟦 Path traversal
⬜ Load balancing 🟦 Transport-agnostic server 🟦 CSRF
⬜ Serverless clouds 🟦 Framework-agnostic app 🟦 DNS
⬜ FaaS clouds ⬜ Interactive applications 🟦 Fetch
🟦 Debugging node.js ⬜ Real-time applications 🟦 zlib
🟦 crypto 🟦 CQS and CQRS
⬜ SharedArrayBuffer 🟦 Event Sourcing
🟦 child_process 🟦 Shared memory
🟦 worker_threads