apiconnect-cli-loopback/lib/swaggerGenProc.js

Plugin for IBM API Connect Developer Toolkit

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 * Licensed Materials - Property of IBM
 * 5725-Z22, 5725-Z63, 5725-U33, 5725-Z63
 *
 * (C) Copyright IBM Corporation 2016, 2017
 *
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// Node module: apiconnect-cli-loopback

var _ = require('lodash');
var apiGenerator = require('loopback-api-definition');
var fs = require('fs');
var g = require('strong-globalize')();
var jsYaml = require('js-yaml');
var path = require('path');

var argv = process.argv;
// 0 = node, 1 = this file
var swaggerFilePath = path.resolve(argv[2]);
var lbRoot = argv[3];
if (!(swaggerFilePath && lbRoot)) {
  console.error(g.f('Invalid arguments'));
  process.exit(1);
}

// Set LB_LAZYCONNECT_DATASOURCES as true
// to skip connection phase when booting app
process.env.LB_LAZYCONNECT_DATASOURCES = true;
var options = { format: 'json' };
try {
  var app = require(lbRoot);
  var apiDef = jsYaml.safeLoad(apiGenerator.getApiDef(app, options));

  // Remove unsupported ops
  _.each(apiDef.paths, function(ops, pathName) {
    apiDef.paths[pathName] = _.omitBy(ops, function(op) {
      var isSupported = true;
      _.each(op.responses, function(v) {
        isSupported = isSupported && !(v.schema && v.schema.type && v.schema.type === 'file');
        // if (!isSupported) {
        //   console.error(op.operationId + ' is unsupported');
        // }
      });
      return !isSupported;
    });
  });

  // Remove paths with no ops
  apiDef.paths = _.omitBy(apiDef.paths, function(val) {
    return _.keys(val).length === 0;
  });

  fs.writeFileSync(swaggerFilePath, jsYaml.safeDump(apiDef), 'utf8');
  // https://github.ibm.com/apimesh/scrum-platform-foundation/issues/253
  // We need to exit the process as active connections will hang
  process.exit(0);
} catch (err) {
  var message = g.f('Cannot load the LoopBack application: %s' +
    '\nPlease fix the problem and run `apic loopback:refresh`', err.message);
  console.error(message);
  process.exit(1);
}