superstatic
Version:
A static file server for fancy apps
54 lines (53 loc) • 2.32 kB
JavaScript
/**
* Copyright (c) 2022 Google LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
const fs = require("fs");
const setHeaders = require("./headers");
const { i18nContentOptions } = require("../utils/i18n");
module.exports = function (spec) {
let defaultErrorContent = undefined;
if (spec.errorPage) {
defaultErrorContent = fs.readFileSync(spec.errorPage, "utf8");
}
return function (req, res, next) {
const config = req.superstatic;
const errorPage = config.errorPage || "/404.html";
setHeaders(spec)({
superstatic: config,
url: errorPage,
}, res, () => {
const handles = [];
const i18n = req.superstatic.i18n;
// To handle i18n, we will try to resolve i18n paths first.
if (i18n?.root) {
const paths = i18nContentOptions(errorPage, req);
for (const pth of paths) {
handles.push({ file: pth, status: 404 });
}
}
handles.push({ file: errorPage, status: 404 });
if (defaultErrorContent) {
handles.push({ data: defaultErrorContent, status: 404 });
}
res.superstatic.handle(handles, next);
});
};
};
;