msw-storybook-addon-msw-v1-fork
Version:
Mock API requests in Storybook with Mock Service Worker.
144 lines (143 loc) • 7.08 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.mswLoader = exports.mswDecorator = exports.getWorker = exports.initializeWorker = exports.initialize = void 0;
var is_node_process_1 = require("is-node-process");
var IS_BROWSER = !(0, is_node_process_1.isNodeProcess)();
var api;
var workerPromise;
function initialize(options) {
var _a;
if (IS_BROWSER) {
var setupWorker = require('msw').setupWorker;
var worker = setupWorker();
workerPromise = worker.start(options);
api = worker;
}
else {
/**
* Webpack 5 does not provide node polyfills as it did before.
* Also, it can't tell whether a code will be executed at runtime, so it has to process everything.
* This branch of the conditional statement will NEVER run in the browser, but Webpack can't know so
* it breaks builds unless we start providing node polyfills.
*
* As a workaround, we use __non_webpack_require__ to tell Webpack to ignore this, and we define it
* to globalThis so it works correctly when running in node.
* @see https://github.com/webpack/webpack/issues/8826#issuecomment-660594260
*/
var nodeVer = typeof process !== 'undefined' && ((_a = process.versions) === null || _a === void 0 ? void 0 : _a.node);
var nodeRequire = nodeVer
? typeof __webpack_require__ === 'function'
? __non_webpack_require__
: require
: undefined;
var setupServer = nodeRequire('msw/node').setupServer;
var server = setupServer();
workerPromise = server.listen(options);
api = server;
}
return api;
}
exports.initialize = initialize;
function initializeWorker(options) {
console.warn("[MSW] \"initializeWorker\" is now deprecated, please use \"initialize\" instead. This method will be removed in future releases.");
return initialize(options);
}
exports.initializeWorker = initializeWorker;
function getWorker() {
if (api === undefined) {
throw new Error("[MSW] Failed to retrieve the worker: no active worker found. Did you forget to call \"initialize\"?");
}
return api;
}
exports.getWorker = getWorker;
var mswDecorator = function (storyFn, context) {
var msw = context.parameters.msw;
if (api) {
api.resetHandlers();
if (msw) {
if (Array.isArray(msw) && msw.length > 0) {
// Support an Array of request handlers (backwards compatability).
api.use.apply(api, msw);
}
else if ('handlers' in msw && msw.handlers) {
// Support an Array named request handlers handlers
// or an Object of named request handlers with named arrays of handlers
var handlers = Object.values(msw.handlers)
.filter(Boolean)
.reduce(function (handlers, handlersList) { return handlers.concat(handlersList); }, []);
if (handlers.length > 0) {
api.use.apply(api, handlers);
}
}
}
}
return storyFn();
};
exports.mswDecorator = mswDecorator;
var mswLoader = function (context) { return __awaiter(void 0, void 0, void 0, function () {
var msw, handlers;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
msw = context.parameters.msw;
if (api) {
api.resetHandlers();
if (msw) {
if (Array.isArray(msw) && msw.length > 0) {
// Support an Array of request handlers (backwards compatability).
api.use.apply(api, msw);
}
else if ('handlers' in msw && msw.handlers) {
handlers = Object.values(msw.handlers)
.filter(Boolean)
.reduce(function (handlers, handlersList) { return handlers.concat(handlersList); }, []);
if (handlers.length > 0) {
api.use.apply(api, handlers);
}
}
}
}
return [4 /*yield*/, (workerPromise || Promise.resolve())];
case 1:
_a.sent();
return [2 /*return*/, {}];
}
});
}); };
exports.mswLoader = mswLoader;