- first release

.gitignore

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+node_modules
+package-lock.json
+coverage
+.nyc_output

.npmignore

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+node_modules
+package-lock.json

.travis.yml

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+language: node_js
+node_js:
+  - "node"
+  - "10"
+  - "9"
+  - "8"
+  - "7"
+  - "6"
+before_install:
+  - npm install -g npm@latest
+install:
+  - npm install --only=dev
+script:
+  - npm test
+after_success: npm run coverage

LICENSE

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+Copyright 2019 M ABD AZIZ ALFIAN
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# fly-json-db
+[![NPM](https://nodei.co/npm/fly-json-db.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/fly-json-db/)  
+
+[![npm version](https://img.shields.io/npm/v/fly-json-db.svg?style=flat-square)](https://www.npmjs.org/package/fly-json-db)
+[![Build Status](https://travis-ci.org/aalfiann/fly-json-db.svg?branch=master)](https://travis-ci.org/aalfiann/fly-json-db)
+[![Coverage Status](https://coveralls.io/repos/github/aalfiann/fly-json-db/badge.svg?branch=master)](https://coveralls.io/github/aalfiann/fly-json-db?branch=master)
+[![Known Vulnerabilities](https://snyk.io//test/github/aalfiann/fly-json-db/badge.svg?targetFile=package.json)](https://snyk.io//test/github/aalfiann/fly-json-db?targetFile=package.json)
+[![dependencies Status](https://david-dm.org/aalfiann/fly-json-db/status.svg)](https://david-dm.org/aalfiann/fly-json-db)
+![License](https://img.shields.io/npm/l/fly-json-db)
+![NPM download/month](https://img.shields.io/npm/dm/fly-json-db.svg)
+![NPM download total](https://img.shields.io/npm/dt/fly-json-db.svg)  
+NoSQL Embedded Database on top json file and stream for NodeJS.  
+
+### Install using NPM
+```bash
+$ npm install fly-json-db
+```
+
+### Documentation
+Documentation is available in our [Wiki](https://github.com/aalfiann/fly-json-db/wiki).
+
+### Unit Test
+If you want to play around with unit test.
+```bash
+$ npm test
+```

package.json

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+{
+  "name": "fly-json-db",
+  "version": "1.0.0",
+  "description": "NoSQL Embedded Database on top json and stream for NodeJS",
+  "main": "src/flyjsonstream.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "nyc --reporter=html --reporter=text mocha",
+    "coverage": "nyc report --reporter=text-lcov | coveralls"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/aalfiann/fly-json-stream.git"
+  },
+  "keywords": [
+    "json-db",
+    "json-query",
+    "json-nosql",
+    "json-stream"
+  ],
+  "author": "M ABD AZIZ ALFIAN",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/aalfiann/fly-json-stream/issues"
+  },
+  "homepage": "https://github.com/aalfiann/fly-json-stream#readme",
+  "devDependencies": {
+    "coveralls": "^3.0.7",
+    "mocha": "^6.2.2",
+    "mocha-lcov-reporter": "^1.3.0",
+    "nyc": "^14.1.1"
+  },
+  "dependencies": {
+    "JSONStream": "^1.3.5",
+    "event-stream": "^4.0.1",
+    "fly-json-odm": "^1.8.4"
+  }
+}

src/flyjsonstream.js

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+const FlyJsonOdm = require('fly-json-odm');
+const es = require('event-stream');
+const jsonStream = require('JSONStream');
+const fs = require('fs');
+
+class FlyJsonStream {
+
+    constructor() {
+        this._odm = new FlyJsonOdm();
+    }
+
+    /**
+     * Get json odm
+     * @return {unirest}
+     */
+    get odm() {
+        return this._odm;
+    }
+
+    /**
+     * Determine is function
+     * @param {function} fn
+     * @return {bool} 
+     */
+    _isFunction(fn) {
+        return (typeof fn === "function");
+    }
+
+    /**
+     * Load file json
+     * @param {string} filePath     this is the file path of file json   
+     * @param {fn} callback         [optional] callback(error, data)
+     * @return {promise|callback}
+     */
+    loadFile(filePath,callback) {
+        var self = this;
+        self._odm.clean();
+        var promise = new Promise((resolve,reject) => {
+            fs.createReadStream(filePath,{flag:'w+'})
+                .pipe(jsonStream.parse())
+                .pipe(
+                    es.mapSync(function(line) {
+                        self._odm.data1.push(line);
+                    })
+                )
+                .on('error',function(err) {
+                    reject(err);
+                })
+                .on('end', function() {
+                    resolve({
+                        status:true,
+                        message:'Load data finished!'
+                    });
+                });
+        });
+
+        if(self._isFunction(callback)) {
+            return promise.then(result => {
+                callback(null,result);
+            }, error => {
+                callback(error);
+            });
+        }
+        return promise;
+    }
+
+    /**
+     * Load json array
+     * @param {array} array         this is the json array   
+     * @param {fn} callback         [optional] callback(error, data)
+     * @return {promise|callback}
+     */
+    loadArray(array,callback) {
+        var self = this;
+        self._odm.clean();
+        var promise = new Promise((resolve,reject) => {
+            es.readArray(array)
+                .pipe(
+                    es.mapSync(function(line) {
+                        self._odm.data1.push(line);
+                    })
+                )
+                .on('error',function(err) {
+                    reject(err);
+                })
+                .on('end', function() {
+                    resolve({
+                        status:true,
+                        message:'Load data finished!'
+                    });
+                });
+        });
+
+        if(self._isFunction(callback)) {
+            return promise.then(result => {
+                callback(null,result);
+            }, error => {
+                callback(error);
+            });
+        }
+        return promise;
+    }
+
+    /**
+     * Join file json
+     * @param {string} filePath     this is the file path of file json   
+     * @param {string} name         join identifier name
+     * @param {fn} callback         [optional] callback(error, data)
+     * @return {promise|callback}
+     */
+    joinFile(filePath,name,callback) {
+        var self = this;
+        self._odm.name = name;
+        self._odm.scope = 'join';
+        var promise = new Promise((resolve,reject) => {
+            fs.createReadStream(filePath,{flag:'w'})
+                .pipe(jsonStream.parse())
+                .pipe(
+                    es.mapSync(function(line) {
+                        self._odm.data2.push(line);
+                    })
+                )
+                .on('error',function(err) {
+                    reject(err);
+                })
+                .on('end', function() {
+                    resolve({
+                        status:true,
+                        message:'Load data finished!'
+                    });
+                });
+        });
+
+        if(self._isFunction(callback)) {
+            return promise.then(result => {
+                callback(null,result);
+            }, error => {
+                callback(error);
+            });
+        }
+        return promise;
+    }
+
+    /**
+     * Join json array
+     * @param {array} array         this is the json array   
+     * @param {string} name         join identifier name
+     * @param {fn} callback         [optional] callback(error, data)
+     * @return {promise|callback}
+     */
+    joinArray(array,name,callback) {
+        var self = this;
+        self._odm.name = name;
+        self._odm.scope = 'join';
+        var promise = new Promise((resolve,reject) => {
+            es.readArray(array)
+                .pipe(
+                    es.mapSync(function(line) {
+                        self._odm.data2.push(line);
+                    })
+                )
+                .on('error',function(err) {
+                    reject(err);
+                })
+                .on('end', function() {
+                    resolve({
+                        status:true,
+                        message:'Load data finished!'
+                    });
+                });
+        });
+
+        if(self._isFunction(callback)) {
+            return promise.then(result => {
+                callback(null,result);
+            }, error => {
+                callback(error);
+            });
+        }
+        return promise;
+    }
+
+    /**
+     * Save json to file
+     * @param {string} filePath     this is the file path of file json   
+     * @param {fn} callback         [optional] callback(error, data)
+     * @return {promise|callback}
+     */
+    save(filePath, callback) {
+        var self = this;
+        const writer = fs.createWriteStream(filePath,{flag:'w'});
+        var promise = new Promise((resolve,reject) => {
+            es.readArray(self._odm.data1)
+                .pipe(
+                    es.stringify()
+                )
+                .pipe(writer);
+            writer.on('error',function(err) {
+                reject(err);
+            });
+            writer.on('finish', function() {
+                resolve({
+                    status:true,
+                    message:'Save data finished!'
+                });
+            });
+        });
+
+        if(self._isFunction(callback)) {
+            return promise.then(result => {
+                callback(null,result);
+            }, error => {
+                callback(error);
+            });
+        }
+        return promise;
+    }
+
+    /**
+     * Drop or delete file json
+     * @param {string} filePath     this is the file path of file json
+     * @param {fn} callback         [optional] callback(error, data)
+     */
+    drop(filePath,callback) {
+        var self = this;
+        fs.unlink(filePath, function (err) {
+            if(self._isFunction(callback)) {
+                if(err) return callback(err);
+                callback(null,{
+                    status:true,
+                    message:'Data has been dropped!'
+                });
+            }
+        });
+    }
+}
+
+module.exports = FlyJsonStream;

test/failure.js

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+const assert = require('assert');
+const FJS = require('../src/flyjsonstream');
+const path = require('path');
+
+describe('Intentional failure test', function() {
+
+    it('drop with wrong file path', function() {
+        var nosql = new FJS();
+        nosql.drop('test/fixtures/saved.nosqls',function(err,data) {
+            assert.notEqual(err,null);
+        });
+    });
+
+});

test/fixtures/data1.nosql

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+{"user_id":1,"name":"budi","age":10}
+{"user_id":5,"name":"wawan","age":20}
+{"user_id":3,"name":"tono","age":30}

test/fixtures/data2.nosql

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+{"id":1,"address":"bandung","email":"a@b.com"}
+{"id":2,"address":"jakarta","email":"c@d.com"}
+{"id":3,"address":"solo","email":"e@f.com"}
+{"id":4,"address":"solo, balapan","email":"g@h.com"}
+{"id":5,"address":"surabaya","email":"i@j.com"}