vite-plugin-fake-server

Vite-plugin-fake-server

A fake server plugin for Vite. Live Demo

Features

• Simple to use, configuration file driven.
• No reliance on fake library —— you can use @faker-js/faker or mockjs and so on.
• ESM first.
• Support ts, js, mjs files.
• Support multiple response methods —— responseType.
• Support custom response headers.
• Support development and production environments.
• Support exporting independent deployment services —— build option.
• Friendly type prompt —— defineFakeRoute.
• Intercept XHR and Fetch request - XHook.

Install

npm install --save-dev vite-plugin-fake-server

Usage

Configure plugins in the configuration file of Vite, such as vite.config.ts:

// vite.config.ts
import react from "@vitejs/plugin-react";
import { defineConfig } from "vite";
import { vitePluginFakeServer } from "vite-plugin-fake-server";

// https://vitejs.dev/config/
export default defineConfig({
	plugins: [
		react(),
		// here
		vitePluginFakeServer(),
	],
});

By default, it is only valid in the development environment (enableDev = true), and monitors in real time (watch = true) all ts, js, mjs files in the mock folder under the current project. When the browser has For the real requested link, the terminal will automatically print the requested URL (logger = true).

Examples

For case details, please click this link to view packages/playground/ts-example/src

The most recommended way is to use a TypeScript file so you can use the defineFakeRoute function to get good code hints.

The defineFakeRoute function parameters require the user to enter the route type as follows:

export interface FakeRoute {
	url: string;
	method?: HttpMethodType;
	timeout?: number;
	statusCode?: number;
	statusText?: string;
	headers?: OutgoingHttpHeaders;
	response?: (HTTPRequest: URLRequest, req: IncomingMessage, res: ServerResponse) => any;
	rawResponse?: (req: IncomingMessage, res: ServerResponse) => void;
}
export type FakeRouteConfig = FakeRoute[] | FakeRoute;

export function defineFakeRoute(config: FakeRouteConfig) {
	return config;
}

It should be noted that this way of introduction will cause vite build to fail. import { defineFakeRoute } from "vite-plugin-fake-server";

In .ts file

import { faker } from "@faker-js/faker";
import Mock from "mockjs";
import { defineFakeRoute } from "vite-plugin-fake-server/client";

const adminUserTemplate = {
	id: "@guid",
	username: "@first",
	email: "@email",
	avatar: '@image("200x200")',
	role: "admin",
};

const adminUserInfo = Mock.mock(adminUserTemplate);

export default defineFakeRoute([
	{
		url: "/mock/get-user-info",
		response: () => {
			return adminUserInfo;
		},
	},
	{
		url: "/fake/get-user-info",
		response: () => {
			return {
				id: faker.string.uuid(),
				avatar: faker.image.avatar(),
				birthday: faker.date.birthdate(),
				email: faker.internet.email(),
				firstName: faker.person.firstName(),
				lastName: faker.person.lastName(),
				sex: faker.person.sexType(),
				role: "admin",
			};
		},
	},
]);

In .js file

/** @type {import("vite-plugin-fake-server").FakeRouteConfig} */
export default [
	{
		url: "/mock/esm",
		response: ({ query }) => {
			return { format: "ESM", query };
		},
	},
	{
		url: "/mock/response-text",
		response: (_, req) => {
			return req.headers["content-type"];
		},
	},
	{
		url: "/mock/post",
		method: "POST",
		response: ({ body }) => {
			return { ...JSON.parse(body), timestamp: Date.now() };
		},
	},
];

In .mjs file

export default {
	url: "/mock/mjs",
	method: "POST",
	statusCode: 200,
	statusText: "OK",
	response: () => {
		return { format: "ESM" };
	},
};

API

vitePluginFakeServer(options?)

options

include

Type: string
Default: "mock"

Set the folder where the mock/fake ts, js, mjs files is stored.

exclude

Type: string[]
Default: []

Exclude files in the include directory.

1. development: https://github.com/mrmlnc/fast-glob#ignore
2. production: https://vitejs.dev/guide/features.html#negative-patterns

watch

Type: boolean
Default: true

Set whether to listen to include files.

logger

Type: boolean
Default: true

Set whether to display the request log on the console.

extensions

Type: string[]
Default: ["ts", "js", "mjs"]

Set the mock files extensions.

timeout

Type: number
Default: undefined

Set default response delay time.

basename

Type: string
Default: ""

Set the root address of the request URL.

headers

Type: OutgoingHttpHeaders
Default: {}

Set default headers for responses.

enableDev

Type: boolean
Default: true

Set up the service simulator in the development environment.

Powered by Connect technology.

enableProd

Type: boolean
Default: false

Set up the service simulator in the production environment.

Powered by XHook technology.

⚠️ The node module cannot be used in the mock file, otherwise the production environment will fail.As an alternative to keep consistent with the development environment, you can build a standalone deployment server, see build option.

Compared with the development environment, the API interface defined in the production environment does not have a rawResponse function. The response function does not have the second parameter request and the third parameter response.

export interface FakeRoute {
	url: string;
	method?: HttpMethodType;
	timeout?: number;
	statusCode?: number;
	response?: (HTTPRequest: URLRequest) => any;
}

build

Type: boolean | ServerBuildOptions
Default: false

Set whether to export a independently deployable fake service(only valid in build mode).

interface ServerBuildOptions {
	/**
	 * @description Server port
	 * @default 8888
	 */
	port?: number;
	/**
	 * Directory relative from `root` where build output will be placed. If the
	 * directory exists, it will be removed before the build.
	 * @default "mockServer"
	 */
	outDir?: string;
}

Principle

Appreciation

• vite-plugin-mock
• XHook
• connect

Contributing

1. Fork it!
2. Create your feature branch: git checkout -b my-new-feature

Debugging

In development environment

# packages/vite-plugin-fake-server
npm run build:watch


# packages/playground/ts-example
npm run dev

In production environment

# packages/vite-plugin-fake-server
npm run build:watch


# packages/playground/ts-example
npm run build
npm run preview

1. Commit your changes: git commit -am "Add some feature"
2. Push to the branch: git push origin my-new-feature
3. Submit a pull request :D

License

MIT License © 2023-Present Condor Hero