ethers.js/admin/cmds/serve-docs.js
2020-08-23 16:37:24 -04:00

101 lines
3.0 KiB
JavaScript

const fs = require("fs");
const http = require("http");
const path = require("path");
function getMime(filename) {
const comps = filename.split('.');
const ext = comps[comps.length - 1];
switch (ext.toLowerCase()) {
case 'css': return 'text/css';
case 'doctree': return 'application/x-doctree';
case 'eot': return 'application/vnd.ms-fontobject';
case 'gif': return 'image/gif';
case 'html': return 'text/html';
case 'js': return 'application/javascript';
case 'jpg': return 'image/jpeg';
case 'jpeg': return 'image/jpeg';
case 'md': return 'text/markdown';
case 'pickle': return 'application/x-pickle';
case 'png': return 'image/png';
case 'svg': return 'image/svg+xml';
case 'ttf': return 'application/x-font-ttf';
case 'txt': return 'text/plain';
case 'woff': return 'application/font-woff';
}
console.log('NO MIME', filename);
return undefined;
}
function start(root, options) {
if (root == null) { throw new Error("root required"); }
if (options == null) { options = { }; }
if (options.port == null) { options.port = 8000; }
root = path.resolve(root);
const server = http.createServer((req, resp) => {
// Follow redirects in options
if (options.redirects && options.redirects[req.url]) {
resp.writeHead(301, { Location: options.redirects[req.url] });
resp.end();
return;
}
let filename = path.resolve(root, "." + req.url);
// Make sure we aren't crawling out of our sandbox
if (req.url[0] !== "/" || filename.substring(0, filename.length) !== filename) {
resp.writeHead(403);
resp.end();
return;
}
try {
const stat = fs.statSync(filename);
if (stat.isDirectory()) {
// Redirect bare directory to its path (i.e. "/foo" => "/foo/")
if (req.url[req.url.length - 1] !== "/") {
resp.writeHead(301, { Location: req.url + "/" });
resp.end();
return;
}
filename += "/index.html";
}
const content = fs.readFileSync(filename);
resp.writeHead(200, {
"Content-Length": content.length,
"Content-Type": getMime(filename)
});
resp.end(content);
return;
} catch (error) {
if (error.code === "ENOENT") {
resp.writeHead(404, { });
resp.end();
return;
}
resp.writeHead(500, { });
resp.end();
return;
}
});
server.listen(options.port, () => {
console.log(`Server running on: http://localhost:${ options.port }`);
});
return server;
}
start(path.resolve(__dirname, "../../docs"), {
redirects: {
"/": "/v5/"
}
});