58 lines
1.7 KiB
JavaScript
58 lines
1.7 KiB
JavaScript
/*!
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* Adds dynamically-updated docs as /explorer
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*/
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var path = require('path');
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var extend = require('util')._extend;
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var loopback = require('loopback');
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var express = requireLoopbackDependency('express');
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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 = extend({}, options);
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options.basePath = options.basePath || loopbackApplication.get('restApiRoot');
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loopbackApplication.docs(options);
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var app = express();
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app.disable('x-powered-by');
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app.get('/config.json', function(req, res) {
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res.send({
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discoveryUrl: (options.basePath || '') + '/swagger/resources'
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});
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});
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app.use(loopback.static(STATIC_ROOT));
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return app;
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}
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function requireLoopbackDependency(module) {
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try {
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return require('loopback/node_modules/' + module);
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} catch (err) {
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if (err.code !== 'MODULE_NOT_FOUND') throw err;
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try {
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// Dependencies may be installed outside the loopback module,
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// e.g. as peer dependencies. Try to load the dependency from there.
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return require(module);
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} catch (errPeer) {
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if (errPeer.code !== 'MODULE_NOT_FOUND') throw errPeer;
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// Rethrow the initial error to make it clear that we were trying
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// to load a module that should have been installed inside
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// "loopback/node_modules". This should minimise end-user's confusion.
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// However, such situation should never happen as `require('loopback')`
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// would have failed before this function was even called.
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throw err;
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}
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}
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}
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