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Server.js
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Server.js
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"use strict";
const os = require("os");
const path = require("path");
const url = require("url");
const util = require("util");
const fs = require("graceful-fs");
const ipaddr = require("ipaddr.js");
const { validate } = require("schema-utils");
const schema = require("./options.json");
/** @typedef {import("schema-utils/declarations/validate").Schema} Schema */
/** @typedef {import("webpack").Compiler} Compiler */
/** @typedef {import("webpack").MultiCompiler} MultiCompiler */
/** @typedef {import("webpack").Configuration} WebpackConfiguration */
/** @typedef {import("webpack").StatsOptions} StatsOptions */
/** @typedef {import("webpack").StatsCompilation} StatsCompilation */
/** @typedef {import("webpack").Stats} Stats */
/** @typedef {import("webpack").MultiStats} MultiStats */
/** @typedef {import("os").NetworkInterfaceInfo} NetworkInterfaceInfo */
/** @typedef {import("chokidar").WatchOptions} WatchOptions */
/** @typedef {import("chokidar").FSWatcher} FSWatcher */
/** @typedef {import("connect-history-api-fallback").Options} ConnectHistoryApiFallbackOptions */
/** @typedef {import("bonjour-service").Bonjour} Bonjour */
/** @typedef {import("bonjour-service").Service} BonjourOptions */
/** @typedef {import("http-proxy-middleware").RequestHandler} RequestHandler */
/** @typedef {import("http-proxy-middleware").Options} HttpProxyMiddlewareOptions */
/** @typedef {import("http-proxy-middleware").Filter} HttpProxyMiddlewareOptionsFilter */
/** @typedef {import("serve-index").Options} ServeIndexOptions */
/** @typedef {import("serve-static").ServeStaticOptions} ServeStaticOptions */
/** @typedef {import("ipaddr.js").IPv4} IPv4 */
/** @typedef {import("ipaddr.js").IPv6} IPv6 */
/** @typedef {import("net").Socket} Socket */
/** @typedef {import("http").Server} HTTPServer*/
/** @typedef {import("http").IncomingMessage} IncomingMessage */
/** @typedef {import("http").ServerResponse} ServerResponse */
/** @typedef {import("open").Options} OpenOptions */
/** @typedef {import("express").Application} ExpressApplication */
/** @typedef {import("express").RequestHandler} ExpressRequestHandler */
/** @typedef {import("express").ErrorRequestHandler} ExpressErrorRequestHandler */
/** @typedef {import("express").Request} ExpressRequest */
/** @typedef {import("express").Response} ExpressResponse */
/** @typedef {(err?: any) => void} NextFunction */
/** @typedef {(req: IncomingMessage, res: ServerResponse) => void} SimpleHandleFunction */
/** @typedef {(req: IncomingMessage, res: ServerResponse, next: NextFunction) => void} NextHandleFunction */
/** @typedef {(err: any, req: IncomingMessage, res: ServerResponse, next: NextFunction) => void} ErrorHandleFunction */
/** @typedef {SimpleHandleFunction | NextHandleFunction | ErrorHandleFunction} HandleFunction */
/** @typedef {import("https").ServerOptions & { spdy?: { plain?: boolean | undefined, ssl?: boolean | undefined, 'x-forwarded-for'?: string | undefined, protocol?: string | undefined, protocols?: string[] | undefined }}} ServerOptions */
/**
* @template {BasicApplication} [T=ExpressApplication]
* @typedef {T extends ExpressApplication ? ExpressRequest : IncomingMessage} Request
*/
/**
* @template {BasicApplication} [T=ExpressApplication]
* @typedef {T extends ExpressApplication ? ExpressResponse : ServerResponse} Response
*/
/**
* @template {Request} T
* @template {Response} U
* @typedef {import("webpack-dev-middleware").Options<T, U>} DevMiddlewareOptions
*/
/**
* @template {Request} T
* @template {Response} U
* @typedef {import("webpack-dev-middleware").Context<T, U>} DevMiddlewareContext
*/
/**
* @typedef {"local-ip" | "local-ipv4" | "local-ipv6" | string} Host
*/
/**
* @typedef {number | string | "auto"} Port
*/
/**
* @typedef {Object} WatchFiles
* @property {string | string[]} paths
* @property {WatchOptions & { aggregateTimeout?: number, ignored?: WatchOptions["ignored"], poll?: number | boolean }} [options]
*/
/**
* @typedef {Object} Static
* @property {string} [directory]
* @property {string | string[]} [publicPath]
* @property {boolean | ServeIndexOptions} [serveIndex]
* @property {ServeStaticOptions} [staticOptions]
* @property {boolean | WatchOptions & { aggregateTimeout?: number, ignored?: WatchOptions["ignored"], poll?: number | boolean }} [watch]
*/
/**
* @typedef {Object} NormalizedStatic
* @property {string} directory
* @property {string[]} publicPath
* @property {false | ServeIndexOptions} serveIndex
* @property {ServeStaticOptions} staticOptions
* @property {false | WatchOptions} watch
*/
/**
* @typedef {"http" | "https" | "spdy" | "http2" | string} ServerType
*/
/**
* @typedef {Object} ServerConfiguration
* @property {ServerType} [type]
* @property {ServerOptions} [options]
*/
/**
* @typedef {Object} WebSocketServerConfiguration
* @property {"sockjs" | "ws" | string | Function} [type]
* @property {Record<string, any>} [options]
*/
/**
* @typedef {(import("ws").WebSocket | import("sockjs").Connection & { send: import("ws").WebSocket["send"], terminate: import("ws").WebSocket["terminate"], ping: import("ws").WebSocket["ping"] }) & { isAlive?: boolean }} ClientConnection
*/
/**
* @typedef {import("ws").WebSocketServer | import("sockjs").Server & { close: import("ws").WebSocketServer["close"] }} WebSocketServer
*/
/**
* @typedef {{ implementation: WebSocketServer, clients: ClientConnection[] }} WebSocketServerImplementation
*/
/**
* @callback ByPass
* @param {Request} req
* @param {Response} res
* @param {ProxyConfigArrayItem} proxyConfig
*/
/**
* @typedef {{ path?: HttpProxyMiddlewareOptionsFilter | undefined, context?: HttpProxyMiddlewareOptionsFilter | undefined } & { bypass?: ByPass } & HttpProxyMiddlewareOptions } ProxyConfigArrayItem
*/
/**
* @typedef {(ProxyConfigArrayItem | ((req?: Request | undefined, res?: Response | undefined, next?: NextFunction | undefined) => ProxyConfigArrayItem))[]} ProxyConfigArray
*/
/**
* @typedef {Object} OpenApp
* @property {string} [name]
* @property {string[]} [arguments]
*/
/**
* @typedef {Object} Open
* @property {string | string[] | OpenApp} [app]
* @property {string | string[]} [target]
*/
/**
* @typedef {Object} NormalizedOpen
* @property {string} target
* @property {import("open").Options} options
*/
/**
* @typedef {Object} WebSocketURL
* @property {string} [hostname]
* @property {string} [password]
* @property {string} [pathname]
* @property {number | string} [port]
* @property {string} [protocol]
* @property {string} [username]
*/
/**
* @typedef {boolean | ((error: Error) => void)} OverlayMessageOptions
*/
/**
* @typedef {Object} ClientConfiguration
* @property {"log" | "info" | "warn" | "error" | "none" | "verbose"} [logging]
* @property {boolean | { warnings?: OverlayMessageOptions, errors?: OverlayMessageOptions, runtimeErrors?: OverlayMessageOptions }} [overlay]
* @property {boolean} [progress]
* @property {boolean | number} [reconnect]
* @property {"ws" | "sockjs" | string} [webSocketTransport]
* @property {string | WebSocketURL} [webSocketURL]
*/
/**
* @typedef {Array<{ key: string; value: string }> | Record<string, string | string[]>} Headers
*/
/**
* @template {BasicApplication} [T=ExpressApplication]
* @typedef {T extends ExpressApplication ? ExpressRequestHandler | ExpressErrorRequestHandler : HandleFunction} MiddlewareHandler
*/
/**
* @typedef {{ name?: string, path?: string, middleware: MiddlewareHandler } | MiddlewareHandler } Middleware
*/
/** @typedef {import("net").Server} BasicServer */
/**
* @template {BasicApplication} [A=ExpressApplication]
* @template {BasicServer} [S=import("http").Server]
* @typedef {Object} Configuration
* @property {boolean | string} [ipc]
* @property {Host} [host]
* @property {Port} [port]
* @property {boolean | "only"} [hot]
* @property {boolean} [liveReload]
* @property {DevMiddlewareOptions<Request, Response>} [devMiddleware]
* @property {boolean} [compress]
* @property {"auto" | "all" | string | string[]} [allowedHosts]
* @property {boolean | ConnectHistoryApiFallbackOptions} [historyApiFallback]
* @property {boolean | Record<string, never> | BonjourOptions} [bonjour]
* @property {string | string[] | WatchFiles | Array<string | WatchFiles>} [watchFiles]
* @property {boolean | string | Static | Array<string | Static>} [static]
* @property {ServerType | ServerConfiguration} [server]
* @property {() => Promise<A>} [app]
* @property {boolean | "sockjs" | "ws" | string | WebSocketServerConfiguration} [webSocketServer]
* @property {ProxyConfigArray} [proxy]
* @property {boolean | string | Open | Array<string | Open>} [open]
* @property {boolean} [setupExitSignals]
* @property {boolean | ClientConfiguration} [client]
* @property {Headers | ((req: Request, res: Response, context: DevMiddlewareContext<Request, Response>) => Headers)} [headers]
* @property {(devServer: Server<A, S>) => void} [onListening]
* @property {(middlewares: Middleware[], devServer: Server<A, S>) => Middleware[]} [setupMiddlewares]
*/
if (!process.env.WEBPACK_SERVE) {
process.env.WEBPACK_SERVE = "true";
}
/**
* @template T
* @param fn {(function(): any) | undefined}
* @returns {function(): T}
*/
const memoize = (fn) => {
let cache = false;
/** @type {T} */
let result;
return () => {
if (cache) {
return result;
}
result = /** @type {function(): any} */ (fn)();
cache = true;
// Allow to clean up memory for fn
// and all dependent resources
// eslint-disable-next-line no-undefined
fn = undefined;
return result;
};
};
const getExpress = memoize(() => require("express"));
/**
*
* @param {OverlayMessageOptions} [setting]
* @returns
*/
const encodeOverlaySettings = (setting) =>
typeof setting === "function"
? encodeURIComponent(setting.toString())
: setting;
// Working for overload, because typescript doesn't support this yes
/**
* @overload
* @param {NextHandleFunction} fn
* @returns {BasicApplication}
*/
/**
* @overload
* @param {HandleFunction} fn
* @returns {BasicApplication}
*/
/**
* @overload
* @param {string} route
* @param {NextHandleFunction} fn
* @returns {BasicApplication}
*/
/**
* @param {string} route
* @param {HandleFunction} fn
* @returns {BasicApplication}
*/
// eslint-disable-next-line no-unused-vars
function useFn(route, fn) {
return /** @type {BasicApplication} */ ({});
}
/**
* @typedef {Object} BasicApplication
* @property {typeof useFn} use
*/
/**
* @template {BasicApplication} [A=ExpressApplication]
* @template {BasicServer} [S=HTTPServer]
*/
class Server {
/**
* @param {Configuration<A, S>} options
* @param {Compiler | MultiCompiler} compiler
*/
constructor(options = {}, compiler) {
validate(/** @type {Schema} */ (schema), options, {
name: "Dev Server",
baseDataPath: "options",
});
this.compiler = compiler;
/**
* @type {ReturnType<Compiler["getInfrastructureLogger"]>}
* */
this.logger = this.compiler.getInfrastructureLogger("webpack-dev-server");
this.options = options;
/**
* @type {FSWatcher[]}
*/
this.staticWatchers = [];
/**
* @private
* @type {{ name: string | symbol, listener: (...args: any[]) => void}[] }}
*/
this.listeners = [];
// Keep track of websocket proxies for external websocket upgrade.
/**
* @private
* @type {RequestHandler[]}
*/
this.webSocketProxies = [];
/**
* @type {Socket[]}
*/
this.sockets = [];
/**
* @private
* @type {string | undefined}
*/
// eslint-disable-next-line no-undefined
this.currentHash = undefined;
}
static get schema() {
return schema;
}
/**
* @private
* @returns {StatsOptions}
* @constructor
*/
static get DEFAULT_STATS() {
return {
all: false,
hash: true,
warnings: true,
errors: true,
errorDetails: false,
};
}
/**
* @param {string} URL
* @returns {boolean}
*/
static isAbsoluteURL(URL) {
// Don't match Windows paths `c:\`
if (/^[a-zA-Z]:\\/.test(URL)) {
return false;
}
// Scheme: https://tools.ietf.org/html/rfc3986#section-3.1
// Absolute URL: https://tools.ietf.org/html/rfc3986#section-4.3
return /^[a-zA-Z][a-zA-Z\d+\-.]*:/.test(URL);
}
/**
* @param {string} gatewayOrFamily or family
* @param {boolean} [isInternal] ip should be internal
* @returns {string | undefined}
*/
static findIp(gatewayOrFamily, isInternal) {
if (gatewayOrFamily === "v4" || gatewayOrFamily === "v6") {
let host;
const networks = Object.values(os.networkInterfaces())
.flatMap((networks) => networks ?? [])
.filter((network) => {
if (!network || !network.address) {
return false;
}
if (network.family !== `IP${gatewayOrFamily}`) {
return false;
}
if (
typeof isInternal !== "undefined" &&
network.internal !== isInternal
) {
return false;
}
if (gatewayOrFamily === "v6") {
const range = ipaddr.parse(network.address).range();
if (
range !== "ipv4Mapped" &&
range !== "uniqueLocal" &&
range !== "loopback"
) {
return false;
}
}
return network.address;
});
for (const network of networks) {
host = network.address;
if (host.includes(":")) {
host = `[${host}]`;
}
}
return host;
}
const gatewayIp = ipaddr.parse(gatewayOrFamily);
// Look for the matching interface in all local interfaces.
for (const addresses of Object.values(os.networkInterfaces())) {
for (const { cidr } of /** @type {NetworkInterfaceInfo[]} */ (
addresses
)) {
const net = ipaddr.parseCIDR(/** @type {string} */ (cidr));
if (
net[0] &&
net[0].kind() === gatewayIp.kind() &&
gatewayIp.match(net)
) {
return net[0].toString();
}
}
}
}
// TODO remove me in the next major release, we have `findIp`
/**
* @param {"v4" | "v6"} family
* @returns {Promise<string | undefined>}
*/
static async internalIP(family) {
return Server.findIp(family, false);
}
// TODO remove me in the next major release, we have `findIp`
/**
* @param {"v4" | "v6"} family
* @returns {string | undefined}
*/
static internalIPSync(family) {
return Server.findIp(family, false);
}
/**
* @param {Host} hostname
* @returns {Promise<string>}
*/
static async getHostname(hostname) {
if (hostname === "local-ip") {
return (
Server.findIp("v4", false) || Server.findIp("v6", false) || "0.0.0.0"
);
} else if (hostname === "local-ipv4") {
return Server.findIp("v4", false) || "0.0.0.0";
} else if (hostname === "local-ipv6") {
return Server.findIp("v6", false) || "::";
}
return hostname;
}
/**
* @param {Port} port
* @param {string} host
* @returns {Promise<number | string>}
*/
static async getFreePort(port, host) {
if (typeof port !== "undefined" && port !== null && port !== "auto") {
return port;
}
const pRetry = (await import("p-retry")).default;
const getPort = require("./getPort");
const basePort =
typeof process.env.WEBPACK_DEV_SERVER_BASE_PORT !== "undefined"
? parseInt(process.env.WEBPACK_DEV_SERVER_BASE_PORT, 10)
: 8080;
// Try to find unused port and listen on it for 3 times,
// if port is not specified in options.
const defaultPortRetry =
typeof process.env.WEBPACK_DEV_SERVER_PORT_RETRY !== "undefined"
? parseInt(process.env.WEBPACK_DEV_SERVER_PORT_RETRY, 10)
: 3;
return pRetry(() => getPort(basePort, host), {
retries: defaultPortRetry,
});
}
/**
* @returns {string}
*/
static findCacheDir() {
const cwd = process.cwd();
/**
* @type {string | undefined}
*/
let dir = cwd;
for (;;) {
try {
if (fs.statSync(path.join(dir, "package.json")).isFile()) break;
// eslint-disable-next-line no-empty
} catch (e) {}
const parent = path.dirname(dir);
if (dir === parent) {
// eslint-disable-next-line no-undefined
dir = undefined;
break;
}
dir = parent;
}
if (!dir) {
return path.resolve(cwd, ".cache/webpack-dev-server");
} else if (process.versions.pnp === "1") {
return path.resolve(dir, ".pnp/.cache/webpack-dev-server");
} else if (process.versions.pnp === "3") {
return path.resolve(dir, ".yarn/.cache/webpack-dev-server");
}
return path.resolve(dir, "node_modules/.cache/webpack-dev-server");
}
/**
* @private
* @param {Compiler} compiler
* @returns bool
*/
static isWebTarget(compiler) {
if (compiler.platform && compiler.platform.web) {
return compiler.platform.web;
}
// TODO improve for the next major version and keep only `webTargets` to fallback for old versions
if (
compiler.options.externalsPresets &&
compiler.options.externalsPresets.web
) {
return true;
}
if (
compiler.options.resolve.conditionNames &&
compiler.options.resolve.conditionNames.includes("browser")
) {
return true;
}
const webTargets = [
"web",
"webworker",
"electron-preload",
"electron-renderer",
"nwjs",
"node-webkit",
// eslint-disable-next-line no-undefined
undefined,
null,
];
if (Array.isArray(compiler.options.target)) {
return compiler.options.target.some((r) => webTargets.includes(r));
}
return webTargets.includes(/** @type {string} */ (compiler.options.target));
}
/**
* @private
* @param {Compiler} compiler
*/
addAdditionalEntries(compiler) {
/**
* @type {string[]}
*/
const additionalEntries = [];
const isWebTarget = Server.isWebTarget(compiler);
// TODO maybe empty client
if (this.options.client && isWebTarget) {
let webSocketURLStr = "";
if (this.options.webSocketServer) {
const webSocketURL =
/** @type {WebSocketURL} */
(
/** @type {ClientConfiguration} */
(this.options.client).webSocketURL
);
const webSocketServer =
/** @type {{ type: WebSocketServerConfiguration["type"], options: NonNullable<WebSocketServerConfiguration["options"]> }} */
(this.options.webSocketServer);
const searchParams = new URLSearchParams();
/** @type {string} */
let protocol;
// We are proxying dev server and need to specify custom `hostname`
if (typeof webSocketURL.protocol !== "undefined") {
protocol = webSocketURL.protocol;
} else {
protocol =
/** @type {ServerConfiguration} */
(this.options.server).type === "http" ? "ws:" : "wss:";
}
searchParams.set("protocol", protocol);
if (typeof webSocketURL.username !== "undefined") {
searchParams.set("username", webSocketURL.username);
}
if (typeof webSocketURL.password !== "undefined") {
searchParams.set("password", webSocketURL.password);
}
/** @type {string} */
let hostname;
// SockJS is not supported server mode, so `hostname` and `port` can't specified, let's ignore them
const isSockJSType = webSocketServer.type === "sockjs";
const isWebSocketServerHostDefined =
typeof webSocketServer.options.host !== "undefined";
const isWebSocketServerPortDefined =
typeof webSocketServer.options.port !== "undefined";
if (
isSockJSType &&
(isWebSocketServerHostDefined || isWebSocketServerPortDefined)
) {
this.logger.warn(
"SockJS only supports client mode and does not support custom hostname and port options. Please consider using 'ws' if you need to customize these options.",
);
}
// We are proxying dev server and need to specify custom `hostname`
if (typeof webSocketURL.hostname !== "undefined") {
hostname = webSocketURL.hostname;
}
// Web socket server works on custom `hostname`, only for `ws` because `sock-js` is not support custom `hostname`
else if (isWebSocketServerHostDefined && !isSockJSType) {
hostname = webSocketServer.options.host;
}
// The `host` option is specified
else if (typeof this.options.host !== "undefined") {
hostname = this.options.host;
}
// The `port` option is not specified
else {
hostname = "0.0.0.0";
}
searchParams.set("hostname", hostname);
/** @type {number | string} */
let port;
// We are proxying dev server and need to specify custom `port`
if (typeof webSocketURL.port !== "undefined") {
port = webSocketURL.port;
}
// Web socket server works on custom `port`, only for `ws` because `sock-js` is not support custom `port`
else if (isWebSocketServerPortDefined && !isSockJSType) {
port = webSocketServer.options.port;
}
// The `port` option is specified
else if (typeof this.options.port === "number") {
port = this.options.port;
}
// The `port` option is specified using `string`
else if (
typeof this.options.port === "string" &&
this.options.port !== "auto"
) {
port = Number(this.options.port);
}
// The `port` option is not specified or set to `auto`
else {
port = "0";
}
searchParams.set("port", String(port));
/** @type {string} */
let pathname = "";
// We are proxying dev server and need to specify custom `pathname`
if (typeof webSocketURL.pathname !== "undefined") {
pathname = webSocketURL.pathname;
}
// Web socket server works on custom `path`
else if (
typeof webSocketServer.options.prefix !== "undefined" ||
typeof webSocketServer.options.path !== "undefined"
) {
pathname =
webSocketServer.options.prefix || webSocketServer.options.path;
}
searchParams.set("pathname", pathname);
const client = /** @type {ClientConfiguration} */ (this.options.client);
if (typeof client.logging !== "undefined") {
searchParams.set("logging", client.logging);
}
if (typeof client.progress !== "undefined") {
searchParams.set("progress", String(client.progress));
}
if (typeof client.overlay !== "undefined") {
const overlayString =
typeof client.overlay === "boolean"
? String(client.overlay)
: JSON.stringify({
...client.overlay,
errors: encodeOverlaySettings(client.overlay.errors),
warnings: encodeOverlaySettings(client.overlay.warnings),
runtimeErrors: encodeOverlaySettings(
client.overlay.runtimeErrors,
),
});
searchParams.set("overlay", overlayString);
}
if (typeof client.reconnect !== "undefined") {
searchParams.set(
"reconnect",
typeof client.reconnect === "number"
? String(client.reconnect)
: "10",
);
}
if (typeof this.options.hot !== "undefined") {
searchParams.set("hot", String(this.options.hot));
}
if (typeof this.options.liveReload !== "undefined") {
searchParams.set("live-reload", String(this.options.liveReload));
}
webSocketURLStr = searchParams.toString();
}
additionalEntries.push(
`${require.resolve("../client/index.js")}?${webSocketURLStr}`,
);
}
if (this.options.hot === "only") {
additionalEntries.push(require.resolve("webpack/hot/only-dev-server"));
} else if (this.options.hot) {
additionalEntries.push(require.resolve("webpack/hot/dev-server"));
}
const webpack = compiler.webpack || require("webpack");
// use a hook to add entries if available
for (const additionalEntry of additionalEntries) {
new webpack.EntryPlugin(compiler.context, additionalEntry, {
// eslint-disable-next-line no-undefined
name: undefined,
}).apply(compiler);
}
}
/**
* @private
* @returns {Compiler["options"]}
*/
getCompilerOptions() {
if (
typeof (/** @type {MultiCompiler} */ (this.compiler).compilers) !==
"undefined"
) {
if (/** @type {MultiCompiler} */ (this.compiler).compilers.length === 1) {
return (
/** @type {MultiCompiler} */
(this.compiler).compilers[0].options
);
}
// Configuration with the `devServer` options
const compilerWithDevServer =
/** @type {MultiCompiler} */
(this.compiler).compilers.find((config) => config.options.devServer);
if (compilerWithDevServer) {
return compilerWithDevServer.options;
}
// Configuration with `web` preset
const compilerWithWebPreset =
/** @type {MultiCompiler} */
(this.compiler).compilers.find(
(config) =>
(config.options.externalsPresets &&
config.options.externalsPresets.web) ||
[
"web",
"webworker",
"electron-preload",
"electron-renderer",
"node-webkit",
// eslint-disable-next-line no-undefined
undefined,
null,
].includes(/** @type {string} */ (config.options.target)),
);
if (compilerWithWebPreset) {
return compilerWithWebPreset.options;
}
// Fallback
return /** @type {MultiCompiler} */ (this.compiler).compilers[0].options;
}
return /** @type {Compiler} */ (this.compiler).options;
}
/**
* @private
* @returns {Promise<void>}
*/
async normalizeOptions() {
const { options } = this;
const compilerOptions = this.getCompilerOptions();
const compilerWatchOptions = compilerOptions.watchOptions;
/**
* @param {WatchOptions & { aggregateTimeout?: number, ignored?: WatchOptions["ignored"], poll?: number | boolean }} watchOptions
* @returns {WatchOptions}
*/
const getWatchOptions = (watchOptions = {}) => {
const getPolling = () => {
if (typeof watchOptions.usePolling !== "undefined") {
return watchOptions.usePolling;
}
if (typeof watchOptions.poll !== "undefined") {
return Boolean(watchOptions.poll);
}
if (typeof compilerWatchOptions.poll !== "undefined") {
return Boolean(compilerWatchOptions.poll);
}
return false;
};
const getInterval = () => {
if (typeof watchOptions.interval !== "undefined") {
return watchOptions.interval;
}
if (typeof watchOptions.poll === "number") {
return watchOptions.poll;
}
if (typeof compilerWatchOptions.poll === "number") {
return compilerWatchOptions.poll;
}
};
const usePolling = getPolling();
const interval = getInterval();
const { poll, ...rest } = watchOptions;
return {
ignoreInitial: true,
persistent: true,
followSymlinks: false,
atomic: false,
alwaysStat: true,
ignorePermissionErrors: true,
// Respect options from compiler watchOptions
usePolling,
interval,
ignored: watchOptions.ignored,
// TODO: we respect these options for all watch options and allow developers to pass them to chokidar, but chokidar doesn't have these options maybe we need revisit that in future
...rest,
};
};
/**
* @param {string | Static | undefined} [optionsForStatic]
* @returns {NormalizedStatic}
*/
const getStaticItem = (optionsForStatic) => {
const getDefaultStaticOptions = () => {
return {
directory: path.join(process.cwd(), "public"),
staticOptions: {},
publicPath: ["/"],
serveIndex: { icons: true },
watch: getWatchOptions(),
};
};
/** @type {NormalizedStatic} */
let item;
if (typeof optionsForStatic === "undefined") {
item = getDefaultStaticOptions();
} else if (typeof optionsForStatic === "string") {
item = {
...getDefaultStaticOptions(),
directory: optionsForStatic,
};
} else {
const def = getDefaultStaticOptions();
item = {
directory:
typeof optionsForStatic.directory !== "undefined"
? optionsForStatic.directory
: def.directory,
staticOptions:
typeof optionsForStatic.staticOptions !== "undefined"
? { ...def.staticOptions, ...optionsForStatic.staticOptions }
: def.staticOptions,
publicPath:
// eslint-disable-next-line no-nested-ternary
typeof optionsForStatic.publicPath !== "undefined"
? Array.isArray(optionsForStatic.publicPath)
? optionsForStatic.publicPath
: [optionsForStatic.publicPath]
: def.publicPath,
serveIndex:
// Check if 'serveIndex' property is defined in 'optionsForStatic'
// If 'serveIndex' is a boolean and true, use default 'serveIndex'
// If 'serveIndex' is an object, merge its properties with default 'serveIndex'
// If 'serveIndex' is neither a boolean true nor an object, use it as-is
// If 'serveIndex' is not defined in 'optionsForStatic', use default 'serveIndex'
// eslint-disable-next-line no-nested-ternary
typeof optionsForStatic.serveIndex !== "undefined"
? // eslint-disable-next-line no-nested-ternary
typeof optionsForStatic.serveIndex === "boolean" &&
optionsForStatic.serveIndex
? def.serveIndex
: typeof optionsForStatic.serveIndex === "object"
? { ...def.serveIndex, ...optionsForStatic.serveIndex }
: optionsForStatic.serveIndex
: def.serveIndex,
watch:
// eslint-disable-next-line no-nested-ternary
typeof optionsForStatic.watch !== "undefined"
? // eslint-disable-next-line no-nested-ternary
typeof optionsForStatic.watch === "boolean"
? optionsForStatic.watch
? def.watch
: false
: getWatchOptions(optionsForStatic.watch)
: def.watch,
};
}