json-lib
A json data manipulation class library.
json-lib has a Mongoose-like api that is a simplified version of Mongoose's api.
Installation
This is a Node.js module available through the npm registry.
Before installing, download and install Node.js. Node.js 8.0 or higher is required.
Installation is done using the
npm install
command:
$ npm install json-lib
Importing
// Using Node.js `require()`const jsonlib = ; // Using ES6 imports;
API
jsonlib
methods | description | example |
---|---|---|
model(context: filePath | JSONstinrg | JSONObject) | Load json data format | let myModel = jsonlib.model('./users.json'); or let myModel = jsonlib.model([{foo: 'bar'}]); |
model
methods | description | example |
---|---|---|
find(conditions: object, callback: function): void | Find eligible data, asynchronous method has no return value. | myModel.find({'name': /bob/i}) or myModel.find({'name': 'bob'}) |
findAsync(conditions: object): array | Find eligible data, return an array | myModel.find({'name': /bob/i}) or myModel.findAsync({'name': 'bob'}) |
findOne(conditions: object, callback: function): void | Find eligible data, asynchronous method has no return value. | myModel.find({'name': /bob/i}) or myModel.findOne({'name': 'bob'}) |
findOneAsync(conditions: object): object | Find eligible data, return an object | myModel.findOneAsync({'name': /bob/i}) or myModel.find({'name': 'bob'}) |
insert(newObject: object, conditions: object, position: string, callback: function): void | Insert a piece of data, asynchronous method has no return value. | myModel.insert({'name': /bob/i}) |
insertAsync(newObject: object, conditions: object, position: string): number | Insert a piece of data, Returns the sequence number of the inserted data. | myModel.insertAsync({'name': /bob/i}) |
insertMany(newObjects: arrayObjects, conditions: object, position: string, callback: function): void | Insert multiple pieces of data, asynchronous method has no return value. | myModel.insertMany({'name': /bob/i}) |
insertManyAsync(newObject: arrayObjects, conditions: object, position: string): arrayNumbers | Insert multiple pieces of data, Returns the sequence number of the inserted data. | myModel.insertManyAsync({'name': /bob/i}) |
remove(conditions: object, callback: function): void | Delete multiple pieces of data, asynchronous method has no return value. | myModel.remove({'name': /bob/i}) |
removeAsync(conditions: object: arrayNumbers | Delete multiple pieces of data, Return delete quantity | myModel.removeAsync({'name': /bob/i}) |
removeOne(conditions: object, callback: function): void | Delete a piece of data, asynchronous method has no return value. | myModel.removeOne({'name': /bob/i}) |
removeOneAsync(conditions: object): number | Remove a piece of data, Return delete quantity | myModel.removeOneAsync({'name': /bob/i}) |
update(conditions: object, newObject: object, callback: function): void | Update a pieces of data, asynchronous method has no return value. | myModel.update({'name': /bob/i}, {'name': 'jack'}) |
updateAsync(conditions: object, newObject: object): number | Update a pieces of data, Return update quantity | myModel.updateAsync({'name': /bob/i}, {'name': 'jack'}) |
updateOne(conditions: object, newObject: object, callback: function): void | Update a piece of data, asynchronous method has no return value. | myModel.updateOne({'name': /bob/i}, {'name': 'jack'}) |
updateOneAsync(conditions: object, newObject: object): number | Update a piece of data, Return update quantity | myModel.updateOneAsync({'name': /bob/i}, {'name': 'jack'}) |
example
const jsonlib = ; //Three ways to load jsonlet myModel = jsonlib;let myModel2 = jsonlib;let myModel3 = jsonlib; console;let tom = "name": "tom" "age": 35 "sex": 1 "height": 174 "weight": 77myModel;myModel2;myModel3;console;myModel;myModel2;myModel3;console;myModel;myModel2;myModel3;console;console;console;console;