73 lines
1.7 KiB
JavaScript
73 lines
1.7 KiB
JavaScript
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"use strict";
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const fs = require('fs');
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const path = require('path');
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const express = require('express');
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const logger = require('morgan');
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const cors = require('cors');
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const compression = require('compression');
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const errorhandler = require('errorhandler');
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const bodyParser = require('./body-parser');
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module.exports = function (opts) {
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const userDir = path.join(process.cwd(), 'public');
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const defaultDir = path.join(__dirname, '../../public');
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const staticDir = fs.existsSync(userDir) ? userDir : defaultDir;
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opts = Object.assign({
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logger: true,
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static: staticDir
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}, opts);
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const arr = [];
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// Compress all requests
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if (!opts.noGzip) {
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arr.push(compression());
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}
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// Enable CORS for all the requests, including static files
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if (!opts.noCors) {
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arr.push(cors({
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origin: true,
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credentials: true
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}));
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}
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if (process.env.NODE_ENV === 'development') {
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// only use in development
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arr.push(errorhandler());
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}
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// Serve static files
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arr.push(express.static(opts.static));
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// Logger
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if (opts.logger) {
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arr.push(logger('dev', {
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skip: req => process.env.NODE_ENV === 'test' || req.path === '/favicon.ico'
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}));
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}
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// No cache for IE
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// https://support.microsoft.com/en-us/kb/234067
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arr.push((req, res, next) => {
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res.header('Cache-Control', 'no-cache');
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res.header('Pragma', 'no-cache');
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res.header('Expires', '-1');
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next();
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});
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// Read-only
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if (opts.readOnly) {
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arr.push((req, res, next) => {
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if (req.method === 'GET') {
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next(); // Continue
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} else {
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res.sendStatus(403); // Forbidden
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}
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});
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}
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// Add middlewares
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if (opts.bodyParser) {
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arr.push(bodyParser);
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}
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return arr;
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};
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