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Add more code examples

This commit is contained in:
Starbeamrainbowlabs 2020-01-13 00:18:19 +00:00
parent d72cb648df
commit 7070090dcd
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
3 changed files with 50 additions and 2 deletions

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@ -45,6 +45,14 @@ const router = new ClientRouter({
verbose: false, // Whether to be verbose in console.log() messages verbose: false, // Whether to be verbose in console.log() messages
listen_pushstate: true, // Whether to react to browser pushstate events (excluding those generated by powahroot itself, because that would cause an infinite loop :P) listen_pushstate: true, // Whether to react to browser pushstate events (excluding those generated by powahroot itself, because that would cause an infinite loop :P)
}); });
// Add a page
router.add_page("/add/vegetable/:name/:weight", (params) => {
console.log(`We added a ${params.name} with a weight of ${params.weight}g.`);
});
// Explicitly navigate to a page:
router.navigate("/add/carrot/frederick/10001");
``` ```
### Server ### Server
@ -56,9 +64,17 @@ import ServerRouter from 'powahroot/Server.mjs';
// .... // ....
const router = new ServerRouter(); const router = new ServerRouter();
router.on_all(async (context, next) => { console.debug(context.url); await next()}) // Logging middle ware
router.on_all(async (context, next) => {
console.debug(context.url);
await next();
});
// Regular handlere
router.get("/files/::filepath", (context, _next) => context.send.plain(200, `You requested ${context.params.filepath}`)); router.get("/files/::filepath", (context, _next) => context.send.plain(200, `You requested ${context.params.filepath}`));
// ..... // .....
// Later, when you've got a request / response pair to handle:
router.handle(request, response);
``` ```
The `context` argument there is of type `RouterContext`. Check out the API reference (link below) to learn about the other useful properties it has. The `context` argument there is of type `RouterContext`. Check out the API reference (link below) to learn about the other useful properties it has.
@ -68,6 +84,8 @@ API docs are generated automatically. View them here:
<https://starbeamrainbowlabs.com/code/powahroot/docs/> <https://starbeamrainbowlabs.com/code/powahroot/docs/>
It contains full documentation on how to use everything, along with code examples to help you get started.
## Contributing ## Contributing
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!). 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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@ -44,18 +44,31 @@ class ServerRouter
* Shortcut function for attaching an action to head requests. Full function: on * Shortcut function for attaching an action to head requests. Full function: on
* @param {string|RegExp} pathspec The pathspec that the route should match against. * @param {string|RegExp} pathspec The pathspec that the route should match against.
* @param {Fuction} action The function to execute. * @param {Fuction} action The function to execute.
* @example
* router.head("/location/:name/status", (context, _next) => {
* context.send.plain(200, `Coming in from ${context.params.type} - status ok!`);
* });
*/ */
head(pathspec, action) { this.on(["head"], pathspec, action); } head(pathspec, action) { this.on(["head"], pathspec, action); }
/** /**
* Shortcut function for attaching an action to get requests. Full function: on * Shortcut function for attaching an action to get requests. Full function: on
* @param {string|RegExp} pathspec The pathspec that the route should match against. * @param {string|RegExp} pathspec The pathspec that the route should match against.
* @param {Fuction} action The function to execute. * @param {Fuction} action The function to execute.
* @example
* router.get("/tree/:type", (context, _next) => {
* context.send.plain(200, `Hello, I am a ${context.params.type}`);
* });
*/ */
get(pathspec, action) { this.on(["get"], pathspec, action); } get(pathspec, action) { this.on(["get"], pathspec, action); }
/** /**
* Shortcut function for attaching an action to post requests. Full function: on * Shortcut function for attaching an action to post requests. Full function: on
* @param {string|RegExp} pathspec The pathspec that the route should match against. * @param {string|RegExp} pathspec The pathspec that the route should match against.
* @param {Fuction} action The function to execute. * @param {Fuction} action The function to execute.
* @example
* router.post("/loaction/:name/update", (context, _next) => {
* context.send.plain(501, `Hello from ${context.params.name}! I don't yet support updating my firmware.\nYou asked me to update to version ${context.post_data.version}.`);
* // See https://github.com/sbrl/powahroot/blob/master/examples/parse_post_data.mjs for an example of parsing post data with middleware that works with the above (context.post_data is not created automatically by powahroot)
* });
*/ */
post(pathspec, action) { this.on(["post"], pathspec, action); } post(pathspec, action) { this.on(["post"], pathspec, action); }
/** /**
@ -74,6 +87,10 @@ class ServerRouter
* Shortcut function for attaching an action to options requests. Full function: on * Shortcut function for attaching an action to options requests. Full function: on
* @param {string|RegExp} pathspec The pathspec that the route should match against. * @param {string|RegExp} pathspec The pathspec that the route should match against.
* @param {Fuction} action The function to execute. * @param {Fuction} action The function to execute.
* @example
* router.options("/location/:name/status", (context, _next) => {
* context.send.plain(200, `I support these actions:\n - GET: Get my status\n - POST: Set my status\n - OPTIONS: Show this message`);;
* });
*/ */
options(pathspec, action) { this.on(["options"], pathspec, action); } options(pathspec, action) { this.on(["options"], pathspec, action); }
@ -83,6 +100,10 @@ class ServerRouter
* @param {array} methods The HTTP methods to run the action for. Include '*' to specify all methods. * @param {array} methods The HTTP methods to run the action for. Include '*' to specify all methods.
* @param {string|regex} pathspec The specification of the paths that this action should match against. May be a regular expression. * @param {string|regex} pathspec The specification of the paths that this action should match against. May be a regular expression.
* @param {Function} action The action to execute. Will be passed the parameters `context` (RouterContext) and `next` (Function). * @param {Function} action The action to execute. Will be passed the parameters `context` (RouterContext) and `next` (Function).
* @example
* router.on(["get"], "/garden/:vegetable", (context) => {
* context.send(201, `Planted ${context.params.vegetable}`);
* });
*/ */
on(methods, pathspec, action) { on(methods, pathspec, action) {
let regex_info = pathspec instanceof RegExp ? {regex: pathspec, tokens: [] } : pathspec_to_regex(pathspec); let regex_info = pathspec instanceof RegExp ? {regex: pathspec, tokens: [] } : pathspec_to_regex(pathspec);
@ -111,6 +132,10 @@ class ServerRouter
* Adds a route that matches against every request. * Adds a route that matches against every request.
* Usually useful for middleware (e.g. error handlers, request loggers, authentication handlers, etc.). * Usually useful for middleware (e.g. error handlers, request loggers, authentication handlers, etc.).
* @param {Function} action The function to execute. * @param {Function} action The function to execute.
* @example
* router.on_all((context) => {
* context.send.plain(200, "Hello, world!");
* });
*/ */
on_all(action) { on_all(action) {
this.actions.push(action); this.actions.push(action);
@ -138,6 +163,11 @@ class ServerRouter
* @param {http.ClientRequest} request The request to handle. * @param {http.ClientRequest} request The request to handle.
* @param {http.ServerResponse} response The response object to use to send the response. * @param {http.ServerResponse} response The response object to use to send the response.
* @return {[type]} [description] * @return {[type]} [description]
* @example
* const server = http.createServer((request, response) => {
* router.handle(request, response);
* });
* server.listen(3500, "127.0.0.1", () => console.log("Listening on http://127.0.0.1:3500/"));
*/ */
async handle(request, response) { async handle(request, response) {
let context = new RouterContext(request, response), let context = new RouterContext(request, response),

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@ -19,7 +19,7 @@
"bugs": { "bugs": {
"url": "https://github.com/sbrl/powerroot/issues" "url": "https://github.com/sbrl/powerroot/issues"
}, },
"homepage": "https://github.com/sbrl/powerroot#readme", "homepage": "https://github.com/sbrl/powahroot#readme",
"dependencies": { "dependencies": {
"cookie": "^0.4.0", "cookie": "^0.4.0",
"nightink": "^0.1.3" "nightink": "^0.1.3"