mongoose-page-query

a small plugin just about forty codes that is used for the implemention of page query, it depends on mongoose and your environment support async functions.

tables of contents

1. install
2. usage
3. api
4. custom

install

Install mongoose-page-query like this: $ npm install --save-dev mongoose-page-query before this you must install mongoose.

usage

use it as global plugin for every schema in mongoose when you connect databases.

   const mongoose = require('mongoose');
   const pageQuery = require('mongoose-page-query');
   mongoose.plugin(pageQuery);

use it as a schema plugin like this.

  const mongoose = require('mongoose');
  const pageQuery = require('mongoose-page-query');
  const schema = new mongoose.Schema({ /* schema definition */ });
  schema.plugin(pageQuery); 
  const Model = mongoose.model('Model',  schema); // Model.pageQuery()

api

Model.pageQuery({page,row},condition,projection,option)you need use it in async functions.

  async function test() {
       //result {page: 1, row: 10, total: totalCount, rows: [data]}
      let result = await Model.pageQuery({page: 1,row: 10}, {}, {}, {});
      }  

the four params must be specified. if you don not need ,just specify it as null.

custom

Set custom default options for all queries.this plugin has three default three params, lean:true,page:1,row:10.you can specific page and row param like this:

   const mongoose = require('mongoose');
   const pageQuery = require('mongoose-page-query');
   pageQuery.defaultOption = {page: 1, row: 20};

you can not set lean default value and just specify it in api option param,eg:

  async function test() {
              let result = await Model.pageQuery({page: 1,row: 10}, {}, {}, {lean: false})
        }