@expo/cli
Version:
115 lines (114 loc) • 3.72 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
ExpoMiddleware: ()=>ExpoMiddleware,
disableResponseCache: ()=>disableResponseCache
});
function _url() {
const data = require("url");
_url = function() {
return data;
};
return data;
}
const _log = /*#__PURE__*/ _interopRequireWildcard(require("../../../log"));
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interopRequireWildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
class ExpoMiddleware {
constructor(projectRoot, supportedPaths){
this.projectRoot = projectRoot;
this.supportedPaths = supportedPaths;
}
/**
* Returns true when the middleware should handle the incoming server request.
* Exposed for testing.
*/ shouldHandleRequest(req) {
if (!req.url) {
return false;
}
const parsed = (0, _url().parse)(req.url);
// Strip the query params
if (!parsed.pathname) {
return false;
}
return this.supportedPaths.includes(parsed.pathname);
}
/** Create a server middleware handler. */ getHandler() {
const internalMiddleware = async (req, res, next)=>{
try {
return await this.handleRequestAsync(req, res, next);
} catch (error) {
_log.exception(error);
// 5xx = Server Error HTTP code
res.statusCode = 500;
if (typeof error === "object" && error !== null) {
res.end(JSON.stringify({
error: error.toString()
}));
} else {
res.end(`Unexpected error: ${error}`);
}
}
};
const middleware = async (req, res, next)=>{
if (!this.shouldHandleRequest(req)) {
return next();
}
return internalMiddleware(req, res, next);
};
middleware.internal = internalMiddleware;
return middleware;
}
}
function disableResponseCache(res) {
res.setHeader("Cache-Control", "private, no-cache, no-store, must-revalidate");
res.setHeader("Expires", "-1");
res.setHeader("Pragma", "no-cache");
return res;
}
//# sourceMappingURL=ExpoMiddleware.js.map