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