fix

lab3/node_modules/json-server/lib/server/router/index.js

@@ -0,0 +1,91 @@
+"use strict";
+
+const express = require('express');
+const methodOverride = require('method-override');
+const _ = require('lodash');
+const lodashId = require('lodash-id');
+const low = require('lowdb');
+const Memory = require('lowdb/adapters/Memory');
+const FileSync = require('lowdb/adapters/FileSync');
+const bodyParser = require('../body-parser');
+const validateData = require('./validate-data');
+const plural = require('./plural');
+const nested = require('./nested');
+const singular = require('./singular');
+const mixins = require('../mixins');
+module.exports = (db, opts) => {
+  opts = Object.assign({
+    foreignKeySuffix: 'Id',
+    _isFake: false
+  }, opts);
+  if (typeof db === 'string') {
+    db = low(new FileSync(db));
+  } else if (!_.has(db, '__chain__') || !_.has(db, '__wrapped__')) {
+    db = low(new Memory()).setState(db);
+  }
+
+  // Create router
+  const router = express.Router();
+
+  // Add middlewares
+  router.use(methodOverride());
+  router.use(bodyParser);
+  validateData(db.getState());
+
+  // Add lodash-id methods to db
+  db._.mixin(lodashId);
+
+  // Add specific mixins
+  db._.mixin(mixins);
+
+  // Expose database
+  router.db = db;
+
+  // Expose render
+  router.render = (req, res) => {
+    res.jsonp(res.locals.data);
+  };
+
+  // GET /db
+  router.get('/db', (req, res) => {
+    res.jsonp(db.getState());
+  });
+
+  // Handle /:parent/:parentId/:resource
+  router.use(nested(opts));
+
+  // Create routes
+  db.forEach((value, key) => {
+    if (key === '$schema') {
+      // ignore $schema
+      return;
+    }
+    if (_.isPlainObject(value)) {
+      router.use(`/${key}`, singular(db, key, opts));
+      return;
+    }
+    if (_.isArray(value)) {
+      router.use(`/${key}`, plural(db, key, opts));
+      return;
+    }
+    const sourceMessage = '';
+    // if (!_.isObject(source)) {
+    //   sourceMessage = `in ${source}`
+    // }
+
+    const msg = `Type of "${key}" (${typeof value}) ${sourceMessage} is not supported. ` + `Use objects or arrays of objects.`;
+    throw new Error(msg);
+  }).value();
+  router.use((req, res) => {
+    if (!res.locals.data) {
+      res.status(404);
+      res.locals.data = {};
+    }
+    router.render(req, res);
+  });
+  router.use((err, req, res, next) => {
+    console.error(err.stack);
+    res.status(500).send(err.stack);
+  });
+  return router;
+};