excel2json

Excel2Json

Can be converted to JSON format any Excel data.

example Excel data

	A	B	C	D
1	{}
2	_id	obj.code	obj.value:number
3
4	first	one	1
5	second	two	2
6
converted to Object

[
    {
        _id: 'first',
        obj: {
            code: 'one',
            value: 1
        }
    }, 
    {
        _id: 'second',
        obj: {
            code: 'two',
            value: 2
        }
    }
]

Installation

npm install excel2json

Usage

Quick start

example sheet.xlsx

	A	B	C	D
1	{name: 'Test'}
2	_id	obj.code	obj.value:number
3
4	first	one	1
5	second	two	2
6
Sheet1

var excel2json = require('excel2json');

var filename = './sheet.xlsx';
var sheets = [1];
excel2json.parse(filename, sheets, function(err, data) {
    console.log(data);
    // [{
    //    num: 1,                    // sheet number
    //    name: 'Sheet1',            // sheet name
    //    option: {                  // option extend sheet option (ex: A1)
    //        name: 'Test'
    //        attr_line:
    //        data_line:
    //        ref_key: '_id',
    //        format: {
    //            A: { type: null, key: '_id', keys: [ '_id' ] },
    //            B: { type: null, key: 'obj.code', keys: [ 'obj', 'code' ] },
    //            C: { type: 'number', key: 'obj.value', keys: [ 'obj', 'value' ] }
    //        }
    //    },
    //    contents: [
    //        { _id: 'first', obj: { code: 'one', value: 1 } },
    //        { _id: 'second', obj: { code: 'two', value: 2 } }
    //    ]
    // }]

    excel2json.toJson(data, function(err, json) {
        console.log(json);
        // {
        //    Test: {
        //        first: {
        //            _id: 'first',
        //            obj: { code: 'one', value: 1 }
        //        },
        //        second: {
        //            _id: 'second',
        //            obj: { code: 'two', value: 2 }
        //        }
        //    }
        // }
    });
});

Setup

Setup options.

var excel2json = require('excel2json');

excel2json.setup({
    option_cell: 'A1', // Cell with a custom sheet option. It is not yet used now. (default: 'A1'
    attr_line: '2',    // Line with a data attribute. (default: '2'
    data_line: '4',    // Line with a data. (default: '4'
    ref_key: '_id'     // ref key. (default: '_id'
    logger: Logger     // custom logger.
});

Sheet option

sheet option. setting with optionCell (default: 'A1'

• name
• type
• key
• attr_line
• data_line
• ref_key

Attribute

Specify the key name.

Special character

• # Use when the array.
• $ Use when the split array.
• :number or :num Use when the parameters of type Number.
• :boolean or :bool Use when the parameters of type Boolean.
• :date Use when the parameters of unix time.
• :index Use when the array of array.

Example

An example of a complex format.

test.xlsx > test.json

var excel2json = require('excel2json');

excel2json.parse('test.xlsx', [], function(err, sheetDatas) {
    excel2json.toJson(sheetDatas, function(err, result) {
        fs.writeFileSync('test.json', JSON.stringify(result, null, 4));
    });
});

Test

Run npm test and npm run-script jshint