cat-bookmarker/assets/node_modules/http-proxy-middleware/dist/config-factory.js

81 lines
2.7 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createConfig = void 0;
const isPlainObj = require("is-plain-obj");
const url = require("url");
const errors_1 = require("./errors");
const logger_1 = require("./logger");
const logger = (0, logger_1.getInstance)();
function createConfig(context, opts) {
// structure of config object to be returned
const config = {
context: undefined,
options: {},
};
// app.use('/api', proxy({target:'http://localhost:9000'}));
if (isContextless(context, opts)) {
config.context = '/';
config.options = Object.assign(config.options, context);
// app.use('/api', proxy('http://localhost:9000'));
// app.use(proxy('http://localhost:9000/api'));
}
else if (isStringShortHand(context)) {
const oUrl = url.parse(context);
const target = [oUrl.protocol, '//', oUrl.host].join('');
config.context = oUrl.pathname || '/';
config.options = Object.assign(config.options, { target }, opts);
if (oUrl.protocol === 'ws:' || oUrl.protocol === 'wss:') {
config.options.ws = true;
}
// app.use('/api', proxy({target:'http://localhost:9000'}));
}
else {
config.context = context;
config.options = Object.assign(config.options, opts);
}
configureLogger(config.options);
if (!config.options.target && !config.options.router) {
throw new Error(errors_1.ERRORS.ERR_CONFIG_FACTORY_TARGET_MISSING);
}
return config;
}
exports.createConfig = createConfig;
/**
* Checks if a String only target/config is provided.
* This can be just the host or with the optional path.
*
* @example
* app.use('/api', proxy('http://localhost:9000'));
* app.use(proxy('http://localhost:9000/api'));
*
* @param {String} context [description]
* @return {Boolean} [description]
*/
function isStringShortHand(context) {
if (typeof context === 'string') {
return !!url.parse(context).host;
}
}
/**
* Checks if a Object only config is provided, without a context.
* In this case the all paths will be proxied.
*
* @example
* app.use('/api', proxy({target:'http://localhost:9000'}));
*
* @param {Object} context [description]
* @param {*} opts [description]
* @return {Boolean} [description]
*/
function isContextless(context, opts) {
return isPlainObj(context) && (opts == null || Object.keys(opts).length === 0);
}
function configureLogger(options) {
if (options.logLevel) {
logger.setLevel(options.logLevel);
}
if (options.logProvider) {
logger.setProvider(options.logProvider);
}
}