Produces a useful intermediary representation for rendering in linear document formats, like Office Open XML and terminal listings.

var flatten = require('commonform-flatten')
var assert = require('assert')

assert.deepEqual(
  flatten(
    {
      content: [
        'some text ',
        {blank: ''},
        {
          heading: 'A',
          form: {
            conspicuous: 'yes',
            content: [
              'before',
              {form: {content: ['B']}},
              {form: {content: ['C']}},
              'between',
              {form: {content: ['D']}},
              {form: {content: ['E']}},
              'after'
            ]
          }
        },
        'after',
        {use: 'A Defined Term'}
      ]
    },
    [{blank: ['content', 1], value: 'NewCo'}]
  ),
  [
    {
      depth: 1,
      content: [
        'some text ',
        {blank: 'NewCo'}
      ]
    },
    {
      depth: 2,
      heading: 'A',
      content: ['before'],
      numbering: [
        {
          series: {number: 1, of: 1},
          element: {number: 1, of: 1}
        }
      ],
      conspicuous: 'yes'
    },
    {
      depth: 3,
      content: ['B'],
      numbering: [
        {
          series: {number: 1, of: 1},
          element: {number: 1, of: 1}
        },
        {
          series: {number: 1, of: 2},
          element: {number: 1, of: 2}
        }
      ]
    },
    {
      depth: 3,
      content: ['C'],
      numbering: [
        {
          series: {number: 1, of: 1},
          element: {number: 1, of: 1}
        },
        {
          series: {number: 1, of: 2},
          element: {number: 2, of: 2}
        }
      ]
    },
    {
      depth: 2,
      content: ['between'],
      conspicuous: 'yes'
    },
    {
      depth: 3,
      content: ['D'],
      numbering: [
        {
          series: {number: 1, of: 1},
          element: {number: 1, of: 1}
        },
        {
          series: {number: 2, of: 2},
          element: {number: 1, of: 2}
        }
      ]
    },
    {
      depth: 3,
      content: ['E'],
      numbering: [
        {
          series: {number: 1, of: 1},
          element: {number: 1, of: 1}
        },
        {
          series: {number: 2, of: 2},
          element: {number: 2, of: 2}
        }
      ]
    },
    {
      depth: 2,
      content: ['after'],
      conspicuous: 'yes'
    },
    {
      depth: 1,
      content: [
        'after',
        {use: 'A Defined Term'}
      ]
    }
  ]
)