views-morph/morph/react/block-off-when.js

Views language morpher

import { getProp, isList } from '../utils.js'

export function enter(node, parent, state) {
  // onWhen lets you show/hide blocks depending on props
  const onWhen = getProp(node, 'onWhen')

  if (onWhen) {
    node.onWhen = true

    if (parent && !isList(parent)) state.render.push('{')

    state.render.push(`${onWhen.value} ? `)
  }
}

export function leave(node, parent, state) {
  if (node.onWhen) {
    state.render.push(` : null`)
    if (parent && !isList(parent)) state.render.push('}')
  }
}