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Inversion of Control in a Vue Application

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Rahul Kadyan Core Team Member Ex-organiser, VueBLR @znck0

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1. What is it? 2. Why do we need it? 3. How do we use it? Inversion of Control

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Growing Complexity

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Shared State

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What is Inversion of Control?

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Program Control Flow

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Dependencies

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Chicken Tikka Masala

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Chicken Tikka Masala

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Chicken Tikka Masala Inversion of Control

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Chicken Tikka Masala Inversion of Control

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Why do need we need Inversion of Control?

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Simple

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Simple is to Reason

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SOLID

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Single responsibility principle Open closed principle Liskov substitution principle Interface segregation principle Dependency inversion principle

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How do we use Inversion of Control?

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We are already using it.

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Props define dependencies.

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Props Vuex Provide/Inject Local Global Contextual

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UI Logic Business Logic

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Composition Functions

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General Purpose Dependency Injection Container

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Inversify.js

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UI Business Props Vuex Provide/Inject Inversify.js

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@znck0