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feat: add self context var and make is_filled into attribute (#632)

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Juro Oravec 2024-09-04 21:41:20 +02:00 • committed by GitHub
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@ -45,7 +45,6 @@ And this is what gets rendered (plus the CSS and Javascript you've specified):
- [Use components in templates](#use-components-in-templates)
- [Use components outside of templates](#use-components-outside-of-templates)
- [Use components as views](#use-components-as-views)
- [Pre-defined components](#pre-defined-components)
- [Typing and validating components](#typing-and-validating-components)
- [Pre-defined components](#pre-defined-components)
- [Registering components](#registering-components)
@ -57,6 +56,7 @@ And this is what gets rendered (plus the CSS and Javascript you've specified):
- [Prop drilling and dependency injection (provide / inject)](#prop-drilling-and-dependency-injection-provide--inject)
- [Component hooks](#component-hooks)
- [Component context and scope](#component-context-and-scope)
- [Pre-defined template variables](#pre-defined-template-variables)
- [Customizing component tags with TagFormatter](#customizing-component-tags-with-tagformatter)
- [Defining HTML/JS/CSS files](#defining-htmljscss-files)
- [Rendering JS/CSS dependencies](#rendering-jscss-dependencies)
@ -1474,7 +1474,7 @@ This produces:
_Added in version 0.26._
> NOTE: In version 0.70, `{% if_filled %}` tags were replaced with `{{ component_vars.is_filled }}` variables. If your slot name contained special characters, see the section "Accessing slot names with special characters".
> NOTE: In version 0.70, `{% if_filled %}` tags were replaced with `{{ component_vars.is_filled }}` variables. If your slot name contained special characters, see the section [Accessing `is_filled` of slot names with special characters](#accessing-is_filled-of-slot-names-with-special-characters).
In certain circumstances, you may want the behavior of slot filling to depend on
whether or not a particular slot is filled.
@ -2659,6 +2659,24 @@ If you find yourself using the `only` modifier often, you can set the [context_b
Components can also access the outer context in their context methods like `get_context_data` by accessing the property `self.outer_context`.
## Pre-defined template variables
Here is a list of all variables that are automatically available from within the component's template and `on_render_before` / `on_render_after` hooks.
- `component_vars.is_filled`
_New in version 0.70_
Dictonary describing which slots are filled (`True`) or are not (`False`).
Example:
```django
{% if component_vars.is_filled.my_slot %}
{% slot "my_slot" / %}
{% endif %}
```
## Customizing component tags with TagFormatter
_New in version 0.89_