78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
'use strict';
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/*!
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* Adds dynamically-updated docs as /explorer
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*/
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var url = require('url');
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var path = require('path');
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var urlJoin = require('./lib/url-join');
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var _defaults = require('lodash').defaults;
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var express = require('express');
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var swagger = require('./lib/swagger');
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var SWAGGER_UI_ROOT = require('swagger-ui').dist;
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var STATIC_ROOT = path.join(__dirname, 'public');
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module.exports = explorer;
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/**
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* Example usage:
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*
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* var explorer = require('loopback-explorer');
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* app.use('/explorer', explorer(app, options));
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*/
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function explorer(loopbackApplication, options) {
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options = _defaults({}, options, {
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resourcePath: 'resources',
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apiInfo: loopbackApplication.get('apiInfo') || {}
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});
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var app = express();
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swagger(loopbackApplication, app, options);
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app.disable('x-powered-by');
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// config.json is loaded by swagger-ui. The server should respond
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// with the relative URI of the resource doc.
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app.get('/config.json', function(req, res) {
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// Get the path we're mounted at. It's best to get this from the referer
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// in case we're proxied at a deep path.
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var source = url.parse(req.headers.referer || '').pathname;
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// If no referer is available, use the incoming url.
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if (!source) {
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source = req.originalUrl.replace(/\/config.json(\?.*)?$/, '');
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}
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res.send({
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url: urlJoin(source, '/' + options.resourcePath)
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});
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});
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// Allow specifying a static file roots for swagger files. Any files in
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// these folders will override those in the swagger-ui distribution.
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// In this way one could e.g. make changes to index.html without having
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// to worry about constantly pulling in JS updates.
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if (options.uiDirs) {
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if (typeof options.uiDirs === 'string') {
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app.use(express.static(options.uiDirs));
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} else if (Array.isArray(options.uiDirs)) {
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options.uiDirs.forEach(function(dir) {
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app.use(express.static(dir));
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});
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}
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}
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if (options.swaggerDistRoot) {
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console.warn('loopback-explorer: `swaggerDistRoot` is deprecated,' +
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' use `uiDirs` instead');
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app.use(express.static(options.swaggerDistRoot));
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}
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// File in node_modules are overridden by a few customizations
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app.use(express.static(STATIC_ROOT));
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// Swagger UI distribution
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app.use(express.static(SWAGGER_UI_ROOT));
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return app;
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}
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