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@wmfs/xml2csv

v1.35.0

Published

Convert XML file to CSV file

Downloads

976

Readme

xml2csv

Tymly Package npm (scoped) CircleCI codecov CodeFactor Dependabot badge Commitizen friendly JavaScript Style Guide license

Takes an XML file and transforms it into a CSV file, based on format of the map you provide with options.

Install

$ npm install @wmfs/xml2csv --save

Usage

Use with callback

const xml2csv = require('@wmfs/xml2csv')

xml2csv(
  {
    xmlPath: 'path/to/file.xml',
    csvPath: 'path/to/file.csv',
    rootXMLElement: 'Person',
    headerMap: [
      ['Name', 'name', 'string'],
      ['Age', 'age', 'integer'],
      ['Gender', 'gender', 'string'],
      ['Brother', 'brother', 'string', 'Siblings'],
      ['Sister', 'sister', 'string', 'Siblings']
    ]
  },
  function (err, info) {
    console.log(err, info)
    // Done!
  }
)

Use with Promises

const xml2csv = require('@wmfs/xml2csv')

xml2csv(
  {
    xmlPath: 'path/to/file.xml',
    csvPath: 'path/to/file.csv',
    rootXMLElement: 'Person',
    headerMap: [
      ['Name', 'name', 'string'],
      ['Age', 'age', 'integer'],
      ['Gender', 'gender', 'string'],
      ['Brother', 'brother', 'string', 'Siblings'],
      ['Sister', 'sister', 'string', 'Siblings']
    ]
  },
)
.then(console.log)
.catch(console.log);

Use with async/await

const xml2csv = require('@wmfs/xml2csv')

try {
  const res = await xml2csv(
    {
      xmlPath: 'path/to/file.xml',
      csvPath: 'path/to/file.csv',
      rootXMLElement: 'Person',
      headerMap: [
        ['Name', 'name', 'string'],
        ['Age', 'age', 'integer'],
        ['Gender', 'gender', 'string'],
        ['Brother', 'brother', 'string', 'Siblings'],
        ['Sister', 'sister', 'string', 'Siblings']
      ]
    },
  )
  console.log(res)
} catch(err) {
  console.log(err)
}

Input:

<People>
    <Person>
        <Name>Maggie</Name>
        <Age>3</Age>
        <Gender>Female</Gender>
        <Siblings>
            <Brother>Bart</Brother>
            <Sister>Lisa</Sister>
        </Siblings>
    </Person>
    <Person>
        <Name>Marge</Name>
        <Age>45</Age>
        <Gender>Female</Gender>
    </Person>
</People>

Output:

name, age, gender, brother, sister
"Maggie",3,"Female","Bart","Lisa"
"Marge",45,"Female",,

xml2csv(options, callback)

Options

| Property | Type | Notes | | -------- | ---- | ----- | | xmlPath | string | A path to the xml input file. Cannot be provide with xmlStream property. | xmlStream | fs.ReadStream | A readable stream from an xml file. Cannot be provide with xmlPath property. | csvPath | string | The path and filename of the generated CSV output file (note that any intermediate folders will be created). Cannot be provide with csvStream property. | csvStream | fs.WriteStream | A writeable stream for the generated CSV data. Cannot be provide with csvPath property. | rootXMLElement | string | The XML root tag for each record, element to split records on in XML file. | headerMap | [array] | See the Header Map section for more details. | strict | [boolean] | Should the sax parser run in strict mode ? Defaults to true.

options.headerMap

options.headerMap needs to be in the structure of:

[
    [xmlTag, csvHeader, type, parent],
    [xmlTag, csvHeader, type, parent],
    ...
]
  • xmlTag and csvHeader must be the related fields
  • type must be integer, date or string
  • parent is optional, must be the parent tag in format of the XML tag

Testing

$ npm test

License

MIT