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97 lines
3.8 KiB
Markdown
97 lines
3.8 KiB
Markdown
# powahroot
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> Client and server-side routing micro frameworks
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_Powahroot_ is a pair of micro routing frameworks, presented as an ES6 module:
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- The first is for client-side single-page web applications
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- The other is for handling server-side Node.js requests
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It's based on [`rill`](https://www.npmjs.com/package/rill) (see the npm package bearing the name), but stripped down and simplified.
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## Getting Started
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Install powahroot as a dependency with npm:
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```bash
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npm install --save powahroot
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```
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If your build process supports [tree-shaking](https://webpack.js.org/guides/tree-shaking/), only the router(s?) you need will be included in the final output of your build - as _powahroot_ uses ES6 modules.
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## Usage
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### Paths
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Powahroot supports multiple syntax bells and whistles when defining routes. These are documented below:
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Syntax | Meaning
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--------------------------------|----------------------------------------
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`/index.html` | Regular route. Matches exactly what it says on the tin.
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`*` | Special key(word?) that matches _any_ route. Must be present on its own without any other characters.
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`/add/vegetable/:name/:weight` | Parameters. Match values an pull them into an object automatically. Does not like forward slashes in parameter values.
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`/images/::path` | Parameter values with forward slashes. If you want to use parameters, but need values to be able to contain forward slashes `/`, this is for you. Don't forget you can mix-and-match this with the previous example!
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### Client
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Initialise a new router like this:
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```js
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import ClientRouter from 'powahroot/Client.mjs';
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// ....
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const router = new ClientRouter({
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// Options object. Default settings:
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verbose: false, // Whether to be verbose in console.log() messages
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listen_pushstate: true, // Whether to react to browser pushstate events (excluding those generated by powahroot itself, because that would cause an infinite loop :P)
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});
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// Add a page
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router.add_page("/add/vegetable/:name/:weight", (params) => {
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console.log(`We added a ${params.name} with a weight of ${params.weight}g.`);
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});
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// Explicitly navigate to a page:
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router.navigate("/add/carrot/frederick/10001");
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```
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### Server
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The server router works slightly differently, to account for the different environment it's designed for. Here's how to use it:
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```js
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import ServerRouter from 'powahroot/Server.mjs';
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// ....
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const router = new ServerRouter();
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// Logging middle ware
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router.on_all(async (context, next) => {
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console.debug(context.url);
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await next();
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});
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// Regular handlere
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router.get("/files/::filepath", (context, _next) => context.send.plain(200, `You requested ${context.params.filepath}`));
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// .....
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// Later, when you've got a request / response pair to handle:
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router.handle(request, response);
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```
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The `context` argument there is of type `RouterContext`. Check out the API reference (link below) to learn about the other useful properties it has.
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## Reference
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API docs are generated automatically. View them here:
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<https://starbeamrainbowlabs.com/code/powahroot/docs/>
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It contains full documentation on how to use everything, along with code examples to help you get started.
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## Contributing
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Contributions are welcome! Simply fork this repository, make your changes, and submit a [Pull Request](https://help.github.com/en/articles/about-pull-requests) (issues are welcome too!).
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All contributions must be declared to have the `Mozilla Public License 2.0` (the same license that this repository is under).
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## Licence
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Everything in this repository _except_ the logo is licenced under the _Mozilla Public License 2.0.
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The logo itself is © Copyright Starbeamrainbowlabs 2019. All rights reserved - though you _may_ use it when linking to this project (or to advertise usage in a 'powered by' logo).
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