Function removeFromChildren

script/move-content.js:302–348

(oldPath, opts)

}

function removeFromChildren(oldPath, opts) {
  const { verbose } = opts

  const parentFilePath = path.join(path.dirname(oldPath), 'index.md')
  const fileContent = fs.readFileSync(parentFilePath, 'utf-8')
  const { content, data } = readFrontmatter(fileContent)
  const oldName = getBasename(oldPath)

  let childrenPosition = -1
  if (CHILDREN_KEY in data) {
    data[CHILDREN_KEY] = data[CHILDREN_KEY].filter((entry, i) => {
      if (entry === oldName || entry === `/${oldName}`) {
        childrenPosition = i
        return false
      }
      return true
    })
    if (data[CHILDREN_KEY].length === 0) {
      delete data[CHILDREN_KEY]
    }
  }

  const childGroupPositions = []

  ;(data[CHILDGROUPS_KEY] || []).forEach((group, i) => {
    if (group.children) {
      group.children = group.children.filter((entry, j) => {
        if (entry === oldName || entry === `/${oldName}`) {
          childGroupPositions.push([i, j])
          return false
        }
        return true
      })
    }
  })

  fs.writeFileSync(
    parentFilePath,
    readFrontmatter.stringify(content, data, { lineWidth: 10000 }),
    'utf-8'
  )
  if (verbose) {
    console.log(`Removed 'children' (${oldName}) key in ${parentFilePath}`)
  }

  return { childrenPosition, childGroupPositions }
}

function addToChildren(newPath, positions, opts) {
  const { verbose } = opts