http-protocol.js
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"use strict";
var queryString = require("qs");
var proto = exports;
/**
* Use BrowserSync options + querystring to create a
* full HTTP/HTTTPS url.
*
* Eg. http://localhost:3000/__browser_sync__?method=reload
* Eg. http://localhost:3000/__browser_sync__?method=reload&args=core.css
* Eg. http://localhost:3000/__browser_sync__?method=reload&args=core.css&args=core.min
*
* @param args
* @param url
* @returns {string}
*/
proto.getUrl = function (args, url) {
return [
url,
require("./config").httpProtocol.path,
"?",
queryString.stringify(args)
].join("");
};
/**
* Return a middleware for handling the requests
* @param {BrowserSync} bs
* @returns {Function}
*/
proto.middleware = function (bs) {
return function (req, res) {
var params = queryString.parse(req.url.replace(/^.*\?/, ""));
var output;
if (!Object.keys(params).length) {
output = [
"Error: No Parameters were provided.",
"Example: http://localhost:3000/__browser_sync__?method=reload&args=core.css"
];
res.writeHead(500, {"Content-Type": "text/plain"});
res.end(output.join("\n"));
return;
}
try {
require("./public/" + params.method)(bs.events).apply(null, [params.args]);
output = [
"Called public API method `.%s()`".replace("%s", params.method),
"With args: " + JSON.stringify(params.args)
];
res.end(output.join("\n"));
} catch (e) {
res.writeHead(404, {"Content-Type": "text/plain"});
res.write("Public API method `" + params.method + "` not found.");
res.end();
return;
}
};
};