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EditorServer.js
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EditorServer.js
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const express = require("express");
const fileUpload = require("express-fileupload");
const http = require("http");
const path = require("path");
const reload = require("reload");
const ASSET_SHEET_PUBLIC_ACCESS = "/asset-sheet";
const ASSET_SHEET_PATH = "/src/AssetSheet.json";
const ASSET_PUBLIC_ACCESS = "/assets/";
const ASSET_FOLDER_PATH = "./assets/";
const app = express();
const publicDir = path.join(__dirname, "./dist");
const fs = require("fs");
// clear console when restart app
clearConsole();
app.set("port", process.env.PORT || 3000);
app.use("/", express.static("dist"));
app.use("/assets", express.static("assets"));
app.use("/src", express.static("src")); // for source map support
// handle file upload
app.use(
"/writeFile",
fileUpload({
preserveExtension: true,
safeFileNames: true,
createParentPath: true,
})
);
// prevent favicon request from browser
app.get("/favicon.ico", (req, res) => {
res.status(204);
res.end();
});
app.get("/", (req, res) => {
res.sendFile(path.join(publicDir, "/index.html"));
});
app.get(ASSET_SHEET_PUBLIC_ACCESS, (req, res) => {
console.log(`${getTimeNow()} Client request asset`);
res.sendFile(path.join(__dirname, ASSET_SHEET_PATH));
});
/**
* Headers Config
* -------------------------------------
* savePath - the path of the file
*/
app.post("/writeFile", (req, res) => {
const savePath = req.headers.savepath;
const BASE_PATH = ASSET_FOLDER_PATH;
const combinedPath = path.join(BASE_PATH, savePath);
console.log(`Writing file: ${combinedPath}`);
// move the file to the target directory
req.files.fileUploadField.mv(combinedPath).catch((error) => {
console.log("caught", error.message);
});
res.status(200);
res.end();
});
app.get("/listFolder", (req, res) => {
const listPath = req.headers.listpath;
const combinedPath = path.join(__dirname, ASSET_FOLDER_PATH, listPath);
const dir = fs.readdirSync(combinedPath);
// filter hidden file in the system
const filteredDir = dir.filter((item) => !/(^|\/)\.[^/.]/g.test(item));
res.json(filteredDir);
});
app.get("/listAllFolders", async (req, res) => {
const combinedPath = path.join(__dirname, ASSET_FOLDER_PATH);
// return a json map of folders
const files = await getFiles(combinedPath);
// trim the base path
let relPaths = files.map((file) => {
return path.relative(__dirname, file);
});
// FOR WINDOWS - replace the windows seperator "\"
if (path.sep === "\\")
relPaths = relPaths.map((path) => path.replaceAll("\\", "/"));
res.json(relPaths);
});
app.post("/rename", (req, res) => {
// handle rename
const renamePath = path.join(
__dirname,
ASSET_FOLDER_PATH,
req.headers.renamepath
);
const newFileName = req.headers.newfilename;
console.log(
`Renaming path "${path.basename(
renamePath
)}" to "${newFileName}" in ${path.dirname(renamePath)}`
);
const pathAfterRename = path.join(path.parse(renamePath).dir, newFileName);
fs.renameSync(renamePath, pathAfterRename);
res.status(200);
res.end();
});
app.post("/delete", (req, res) => {
// handle delete
const deletePath = path.join(
__dirname,
ASSET_FOLDER_PATH,
req.headers.deletepath
);
console.log(`Deleting "${deletePath}".`);
if (path.extname(deletePath)) {
fs.rmSync(deletePath);
} else {
fs.rmdirSync(deletePath);
}
res.status(200);
res.end();
});
app.post("/createFolder", (req, res) => {
// handle delete
const createPath = path.join(
__dirname,
ASSET_FOLDER_PATH,
req.headers.createpath
);
const folderName = req.headers.foldername;
console.log(`Creating Folder "${folderName}" at ${createPath}.`);
fs.mkdirSync(path.join(createPath, folderName));
res.status(200);
res.end();
});
const server = http.createServer(app);
const serverListen = () => {
// check if dist exist
if (!fs.existsSync(path.join(__dirname, "dist"))) {
console.log("Parcel is compiling project...");
return;
}
const serverURL = `http://localhost:${app.get("port")}`;
const log = console.log;
log(`Editor server started on ${serverURL}`);
log(`----------------------------------------------------------`);
log(`Asset sheet public url ${serverURL + ASSET_SHEET_PUBLIC_ACCESS}`);
log(`Asset sheet source ${ASSET_SHEET_PATH}`);
log(`Asset source folder ${ASSET_FOLDER_PATH}`);
log(`Asset public base url ${serverURL + ASSET_PUBLIC_ACCESS}`);
log(``);
log(``);
};
// Reload code here
reload(app)
.then(function (reloadReturned) {
// Reload started, start web server
server.listen(app.get("port"), serverListen);
})
.catch(function (err) {
console.error(
"Reload could not start, could not start server/sample app",
err
);
});
function getTimeNow() {
return new Date().toISOString().match(/(\d{2}:){2}\d{2}/)[0];
}
function clearConsole() {
console.log("\033[2J");
}
/**
* The ultimate split path.
* Extracts dirname, filename, extension, and trailing URL params.
* Correct handles:
* empty dirname,
* empty extension,
* random input (extracts as filename),
* multiple extensions (only extracts the last one),
* dotfiles (however, will extract extension if there is one)
* @param {string} path
* @return {Object} Object containing fields "dirname", "filename", "extension", and "params"
*/
function splitPath(path) {
var result = path
.replace(/\\/g, "/")
.match(/(.*\/)?(\..*?|.*?)(\.[^.]*?)?(#.*$|\?.*$|$)/);
return {
dirname: result[1] || "",
filename: result[2] || "",
extension: result[3] || "",
params: result[4] || "",
};
}
//https://stackoverflow.com/questions/5827612/node-js-fs-readdir-recursive-directory-search
async function getFiles(dir) {
const dirents = await fs.promises.readdir(dir, { withFileTypes: true });
const files = await Promise.all(
dirents.reduce((arr, dirent) => {
const res = path.resolve(dir, dirent.name);
// search folder
if (dirent.isDirectory()) {
arr.push(getFiles(res));
}
// ignore system files
if (!isSystemFile(res)) arr.push(res);
return arr;
}, [])
);
return Array.prototype.concat(...files);
}
function isSystemFile(file) {
return /(^|\/)\.[^/.]/g.test(file);
}
//https://stackoverflow.com/questions/31645738/how-to-create-full-path-with-nodes-fs-mkdirsync
function mkDirByPathSync(targetDir, { isRelativeToScript = false } = {}) {
const sep = path.sep;
const initDir = path.isAbsolute(targetDir) ? sep : "";
const baseDir = isRelativeToScript ? __dirname : ".";
return targetDir.split(sep).reduce((parentDir, childDir) => {
const curDir = path.resolve(baseDir, parentDir, childDir);
try {
fs.mkdirSync(curDir);
} catch (err) {
if (err.code === "EEXIST") {
// curDir already exists!
return curDir;
}
// To avoid `EISDIR` error on Mac and `EACCES`-->`ENOENT` and `EPERM` on Windows.
if (err.code === "ENOENT") {
// Throw the original parentDir error on curDir `ENOENT` failure.
throw new Error(`EACCES: permission denied, mkdir '${parentDir}'`);
}
const caughtErr = ["EACCES", "EPERM", "EISDIR"].indexOf(err.code) > -1;
if (!caughtErr || (caughtErr && curDir === path.resolve(targetDir))) {
throw err; // Throw if it's just the last created dir.
}
}
return curDir;
}, initDir);
}