@web/dev-server-core
Version:
58 lines • 3.23 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createMiddleware = void 0;
const koa_etag_1 = __importDefault(require("koa-etag"));
const basePathMiddleware_js_1 = require("../middleware/basePathMiddleware.js");
const etagCacheMiddleware_js_1 = require("../middleware/etagCacheMiddleware.js");
const historyApiFallbackMiddleware_js_1 = require("../middleware/historyApiFallbackMiddleware.js");
const pluginMimeTypeMiddleware_js_1 = require("../middleware/pluginMimeTypeMiddleware.js");
const pluginServeMiddleware_js_1 = require("../middleware/pluginServeMiddleware.js");
const pluginTransformMiddleware_js_1 = require("../middleware/pluginTransformMiddleware.js");
const watchServedFilesMiddleware_js_1 = require("../middleware/watchServedFilesMiddleware.js");
const pluginFileParsedMiddleware_js_1 = require("../middleware/pluginFileParsedMiddleware.js");
const serveFilesMiddleware_js_1 = require("../middleware/serveFilesMiddleware.js");
/**
* Creates middlewares based on the given configuration. The middlewares can be
* used by a koa server using `app.use()`:
*/
function createMiddleware(config, logger, fileWatcher) {
var _a, _b;
const middlewares = [];
middlewares.push(async (ctx, next) => {
logger.debug(`Receiving request: ${ctx.url}`);
await next();
logger.debug(`Responding to request: ${ctx.url} with status ${ctx.status}`);
});
// strips a base path from requests
if (config.basePath) {
middlewares.push((0, basePathMiddleware_js_1.basePathMiddleware)(config.basePath));
}
// adds custom user's middlewares
for (const m of (_a = config.middleware) !== null && _a !== void 0 ? _a : []) {
middlewares.push(m);
}
if (!config.disableFileWatcher) {
// watch files that are served
middlewares.push((0, watchServedFilesMiddleware_js_1.watchServedFilesMiddleware)(fileWatcher, config.rootDir));
}
// serves 304 responses if resource hasn't changed
middlewares.push((0, etagCacheMiddleware_js_1.etagCacheMiddleware)());
// adds etag headers for caching
middlewares.push((0, koa_etag_1.default)());
// serves index.html for non-file requests for SPA routing
if (config.appIndex) {
middlewares.push((0, historyApiFallbackMiddleware_js_1.historyApiFallbackMiddleware)(config.appIndex, config.rootDir, logger));
}
const plugins = (_b = config.plugins) !== null && _b !== void 0 ? _b : [];
middlewares.push((0, pluginFileParsedMiddleware_js_1.pluginFileParsedMiddleware)(plugins));
middlewares.push((0, pluginTransformMiddleware_js_1.pluginTransformMiddleware)(logger, config, fileWatcher));
middlewares.push((0, pluginMimeTypeMiddleware_js_1.pluginMimeTypeMiddleware)(logger, plugins));
middlewares.push((0, pluginServeMiddleware_js_1.pluginServeMiddleware)(logger, plugins));
middlewares.push(...(0, serveFilesMiddleware_js_1.serveFilesMiddleware)(config.rootDir));
return middlewares;
}
exports.createMiddleware = createMiddleware;
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