56 lines
1.8 KiB
JavaScript
Executable File
56 lines
1.8 KiB
JavaScript
Executable File
"use strict";
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const express = require("express"),
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fs = require("fs"),
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url = require("url"),
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config = require("config");
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const router = express.Router();
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/* List of filename extensions we know are "potential" file extensions for
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* assets we don"t want to return "index.html" for */
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const extensions = [
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"html", "js", "css", "eot", "gif", "ico", "jpeg", "jpg", "mp4",
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"md", "ttf", "txt", "woff", "woff2", "yml", "svg"
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];
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/* Build the extension match RegExp from the list of extensions */
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const extensionMatch = new RegExp("^.*?(" + extensions.join("|") + ")$", "i");
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/* To handle dynamic routes, we return index.html to every request that
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* gets this far -- so this needs to be the last route.
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*
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* However, that introduces site development problems when assets are
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* referenced which don't yet exist (due to bugs, or sequence of adds) --
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* the server would return HTML content instead of the 404.
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*
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* So, check to see if the requested path is for an asset with a recognized
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* file extension.
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*
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* If so, 404 because the asset isn't there. otherwise assume it is a
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* dynamic client side route and *then* return index.html.
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*/
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router.get("/*", function(req, res/*, next*/) {
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const parts = url.parse(req.url),
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basePath = req.app.get("basePath");
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if (req.url == "/" || !extensionMatch.exec(parts.pathname)) {
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/* Replace <script>'<base href="/BASEPATH/">';</script> in index.html with
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* the basePath */
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const index = fs.readFileSync("frontend/index.html", "utf8");
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res.send(index.replace(
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/<script>'<base href="BASEPATH">';<\/script>/,
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"<base href='" + basePath + "'>"));
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return;
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}
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console.log("Page not found: " + req.url);
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return res.status(404).json({
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message: "Page not found",
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status: 404
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});
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});
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module.exports = router;
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