add basic How it Works docs #2239
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joelhawksley
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BlakeWilliams
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Mar 28, 2025
docs/how-it-works.md
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| ### At component instantiation | ||
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| ViewComponent does not perform any actions at component instantiation. |
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It might be worth calling out that the user provided initializer runs?
khiga8
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Mar 28, 2025
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| ### At render | ||
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| When a ViewComponent is passed to `render`, Rails calls `render_in`, passing the current [ActionView::Context](https://api.rubyonrails.org/classes/ActionView/Context.html). `ActionView::Context` is used to provide access to the current controller, request, and helpers, which is why they cannot be referenced until a component is rendered. |
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Closes #899