@shayin/only

• tag

Install

npm i @shayin/only

Options

• omitempty(default: true): ignore if prop includes in omitemptyValues
• omitemptyValues(defaults: [null, undefined]): values of omitempty
• parse{PropType}: you can define your custom parse method here. like parseString, typeof is used by default or you can define in the tag. eg: type:"foo" and add parseFoo method

Example

• json: (name),[omitempty],[type], eg: json:"foo,omitempty"

const only = require('@shayin/only')

let p = {}
p.user = {
    firstname: 'foo',
    lastname: null
}
p.count = 2.14
p.comments = [{
    user: 'bb',
    createAt: '2018-06-11 14:23:24'
}, {
    user: 'aa',
    createAt: '2018-06-11 14:23:24'
}]

const res = only(p, {
  user: {
    firstname: `json:"first_name" xml:"FirstName"`,
    lastname: `json:"last_name,omitempty" xml:"LastName"`
  },
  count: `type:"number" xml:"Count"`,
  comments: {
    $: `json:"cms" type:"array"`,
    user: `json:"author"`,
    createAt: `json:"create_at,,timestamp"`
  }
}, {
  // use json tag.
  tagName: 'json',
  parseTimestamp: (so, st) => {
    // format date
    return new Date(so).getTime() / 1000
  }
})

console.log(res)

/*
output
{ user: { first_name: 'foo' },
  count: 2.14,
  cms:
   [ { author: 'bb', create_at: 1528698204 },
     { author: 'aa', create_at: 1528698204 } ] }
*/

License

MIT.