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Maxi Contieri

Posted on Jun 11, 2021 • Originally published at maximilianocontieri.com

Code Smell 78 - Callback Hell

#javascript #node #oop #tutorial

Code Smells (225 Part Series)

1 Code Smell 01 - Anemic Models 2 Code Smell 02 - Constants and Magic Numbers ... 221 more parts... 3 Code Smell 03 - Functions Are Too Long 4 Code Smell 04 - String Abusers 5 Code Smell 05 - Comment Abusers 6 Code Smell 06 - Too Clever Programmer 7 Code Smell 07 - Boolean Variables 8 Code Smell 08 - Long Chains Of Collaborations 9 Code Smell 09 - Dead Code 10 Code Smell 10 - Too Many Arguments 11 Code Smell 11 - Subclassification for Code Reuse 12 Code Smell 12 - Null 13 Code Smell 13 - Empty Constructors 14 Code Smell 14 - God Objects 15 Code Smell 15 - Missed Preconditions 16 Code Smell 16 - Ripple Effect 17 Code Smell 17 - Global Functions 18 Code Smell 18 — Static Functions 19 Code Smell 19 — Optional Arguments 20 Code Smell 20 - Premature Optimization 21 Code Smell 21 - Anonymous Functions Abusers 22 Code Smell 22 - Helpers 23 Code Smell 23 - Instance Type Checking 24 Code Smell 24 - Boolean Coercions 25 Code Smell 25 - Pattern Abusers 26 Code Smell 26 - Exceptions Polluting 27 Code Smell 27 - Associative Arrays 28 Code Smell 28 - Setters 29 Code Smell 29 - Settings/Configs 30 Code Smell 30 - Mocking Business 31 Code Smell 31 - Accidental Methods on Business Objects 32 Code Smell 32 - Singletons 33 Code Smell 33 - Abbreviations 34 Code Smell 34 - Too Many Attributes 35 Code Smell 35 - State as Properties 36 Code Smell 36 - Switch/case/elseif/else/if statements 37 Code Smell 37 - Protected Attributes 38 Code Smell 38 - Abstract Names 39 Code Smell 39 - new Date() 40 Code Smell 40 - DTOs 41 Code Smell 41 - Regular Expression Abusers 42 Code Smell 42 - Warnings/Strict Mode Off 43 Code Smell 43 - Concrete Classes Subclassified 44 Code Smell 44 - Magic Corrections 45 Code Smell 45 - Not Polymorphic 46 Code Smell 46 - Repeated Code 47 Code Smell 47 - Diagrams 48 Code Smell 48 - Code Without Standards 49 Code Smell 49 - Caches 50 Code Smell 50 - Object Keys 51 Code Smell 51 - Double Negatives 52 Code Smell 52 - Fragile Tests 53 Code Smell 53 - Explicit Iteration 54 Code Smell 54 - Anchor Boats 55 Code Smell 55 - Object Orgy 56 Code Smell 56 - Preprocessors 57 Code Smell 57 - Versioned Functions 58 Code Smell 58 - Yo-yo Problem 59 Code Smell 59 - Basic / Do Functions 60 Code Smell 60 - Global Classes 61 Code Smell 61 - Coupling to Classes 62 Code Smell 62 - Flag Variables 63 Code Smell 63 - Feature Envy 64 Code Smell 64 - Inappropriate Intimacy 65 Code Smell 65 - Variables Named After Types 66 Code Smell 66 - Shotgun Surgery 67 Code Smell 67 - Middle Man 68 Code Smell 68 - Getters 69 Code Smell 69 - Big Bang (JavaScript Ridiculous Castings) 70 Code Smell 70 - Anemic Model Generators 71 Code Smell 71 - Magic Floats Disguised as Decimals 72 Code Smell 72 - Return Codes 73 Code Smell 73 - Exceptions for Expected Cases 74 Code Smell 74 - Empty Lines 75 Code Smell 75 - Comments Inside a Method 76 Code Smell 76 - Generic Assertions 77 Code Smell 77 - Timestamps 78 Code Smell 78 - Callback Hell 79 Code Smell 79 - TheResult 80 Code Smell 80 - Nested Try/Catch 81 Code Smell 81 - Result 82 Code Smell 82 - Tests Violating Encapsulation 83 Code Smell 83 - Variables Reassignment 84 Code Smell 84 - Max < Min (Javascript) 85 Code Smell 85 - And Functions 86 Code Smell 86 - Mutable Const Arrays 87 Code Smell 87 - Inconsistent Parameters Sorting 88 Code Smell 88 - Lazy Initialization