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kevinveenbirkenbachandClaude Opus 5
c55f508e05
The cosmos generator linked a consumer to its provider only through an '<role>' in group_names reference or an explicit provides: name. A hard dependency has neither -- pinning the provider on unconditionally is exactly what removes the Jinja reference the generator was reading -- so web-svc-asset's bond to web-svc-file vanished from the diagram the moment it became binding. Match a service key against the provider's own primary key from the registry, in both directions. Services the role turns off drew a solid 1:1 edge, claiming a mandatory relationship for something that carries nothing at deploy time. They now render as a red 0..0 edge; edge merging gained a real precedence so a provider consumed through two keys stays live when only one is off. Named colour, not hex: a '#' opens an entity code in the mermaid lexer and turns the whole diagram into a parse error on GitHub. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
43 lines
2.2 KiB
Markdown
43 lines
2.2 KiB
Markdown
# Global JavaScript Injector for NGINX
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## Description
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This Ansible role injects a custom JavaScript snippet into all HTML responses served by NGINX. It leverages NGINX’s `sub_filter` to seamlessly insert your application-specific script just before the closing `</head>` tag, ensuring that your code runs on every page load, which is useful for global feature flags, analytics, or UI enhancements.
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## Overview
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This role injects a custom JavaScript snippet into Nginx-served HTML responses via sub_filter.
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## Cosmos
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The diagram places Global JavaScript Injector for NGINX in the Infinito.Nexus cosmos: the components it deploys (capabilities), the central services it consumes (dependencies), and its outward reach (federation and bridged external networks).
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```mermaid
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flowchart LR
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subgraph role [sys-front-inj-javascript 💻]
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svc_javascript["javascript"]
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end
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```
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Solid `1:1` edges are fixed relationships; dashed `0..1` edges are conditional (enabled only in matching deployments); red `0..0` edges are turned off in this role. Node markers show the role's deploy modes (💻 host, 🐳 compose, 🐝 swarm); ❌ marks a service that is explicitly turned off, and ⚙️ an Ansible role dependency declared in `meta/main.yml`.
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## Features
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- **One-line Script Injection**
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Collapses your JavaScript into a single line and injects it via `sub_filter` for minimal footprint and maximal compatibility.
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- **Easy CSP Integration**
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Automatically computes and appends a CSP hash entry for your script, so you can lock down Content Security Policy without lifting a finger.
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- **Conditional Activation**
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Activates only when you enable the `javascript` feature for a given application, keeping your server blocks clean and performant.
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- **Debug Mode**
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Supports an `MODE_DEBUG` flag that appends optional `console.log` statements for easier troubleshooting in staging or development.
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## Credits
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Implemented by **[Kevin Veen-Birkenbach](https://www.veen.world)**.
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Part of the [Infinito.Nexus Project](https://s.infinito.nexus/code) and maintained by [Kevin Veen-Birkenbach](https://www.veen.world).
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Licensed under the [Infinito.Nexus Community License (Non-Commercial)](https://s.infinito.nexus/license).
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