views-morph/morph/utils.js

import safe from './react/safe.js'
import wrap from './react/wrap.js'
import toCamelCase from 'to-camel-case'
import toSlugCase from 'to-slug-case'

const safeScope = value =>
  typeof value === 'string' && !isCode(value) ? JSON.stringify(value) : value

export const checkParentStem = (node, styleKey) => {
  if (styleKey !== 'hover' || styleKey !== 'disabled' || !node.parent)
    return false

  const matchingParentStem = node.parent.scopes.some(
    scope => scope.value === styleKey
  )

  return matchingParentStem && (node.parent.is || node.parent.name)
}

const INTERPOLATION = /\${(.+)}/
export const isInterpolation = str => INTERPOLATION.test(str)
export const deinterpolate = str => {
  const match = str.match(INTERPOLATION)
  return match ? match[1] : str
}

export const getObjectAsString = obj =>
  wrap(
    Object.keys(obj)
      .map(k => {
        const v =
          typeof obj[k] === 'object' && hasKeys(obj[k])
            ? getObjectAsString(obj[k])
            : obj[k]
        return `${JSON.stringify(k)}: ${v}`
      })
      .join(',')
  )

export const getPropertiesAsObject = list => {
  const obj = {}

  list.forEach(prop => {
    obj[prop.name] = safeScope(prop.value)
  })

  return getObjectAsString(obj)
}

export const getProp = (node, key) => {
  const finder =
    typeof key === 'string' ? p => p.name === key : p => key.test(p.name)

  return node.properties && node.properties.find(finder)
}

export const getScope = node => node.value.split('when ')[1]

const maybeSafe = node =>
  node.tags.code
    ? node.value
    : typeof node.value === 'string' ? safe(node.value) : node.value

const getScopedProps = (propNode, blockNode) => {
  const scopes = blockNode.scopes
    .filter(scope => !scope.isSystem)
    .map(scope => {
      const prop = scope.properties.find(prop => prop.name === propNode.name)
      return prop && { prop, when: scope.value }
    })
    .filter(Boolean)
    .reverse()

  if (isEmpty(scopes)) return false

  return scopes
}

export const getScopedCondition = (propNode, blockNode) => {
  let conditional = maybeSafe(propNode)

  if (!getScopedProps(propNode, blockNode)) return false

  getScopedProps(propNode, blockNode).forEach(scope => {
    conditional = `${scope.when} ? ${maybeSafe(scope.prop)} : ` + conditional
  })

  return conditional
}

export const getScopedImageCondition = (scopes, scopedNames, defaultName) => {
  let conditional = defaultName

  scopes.forEach((scope, index) => {
    conditional = `${scope.when} ? ${scopedNames[index]} : ` + conditional
  })

  return conditional
}

export const getScopedRequireCondition = (scopes, paths, defaultName) => {
  let conditional = `requireImage('${defaultName}')`

  scopes.forEach((scope, index) => {
    conditional =
      `${scope.when} ? requireImage('${paths[index]}') : ` + conditional
  })

  return conditional
}

const styleStems = ['hover', 'focus', 'placeholder', 'disabled', 'print']
export const getStyleType = node =>
  styleStems.find(tag => isTag(node, tag)) || 'base'
export const hasKeys = obj => Object.keys(obj).length > 0
export const hasKeysInChildren = obj =>
  Object.keys(obj).some(k => hasKeys(obj[k]))

export const hasProp = (node, key, match) => {
  const prop = getProp(node, key)
  if (!prop) return false
  return typeof match === 'function' ? match(prop.value) : true
}

export const hasDefaultProp = (node, parent) =>
  parent.properties.some(prop => prop.nameRaw === node.nameRaw)

export const CODE_EXPLICIT = /^{.+}$/
export const isCodeExplicit = str => CODE_EXPLICIT.test(str)
export const isCode = node =>
  typeof node === 'string'
    ? /props|item|index/.test(node) || isCodeExplicit(node)
    : isTag(node, 'code')
export const isStyle = node => isTag(node, 'style')
export const isTag = (node, tag) => node.tags[tag]

export const getActionableParent = node => {
  if (!node.parent) return false
  if (node.parent.action) return node.parent
  return getActionableParent(node.parent)
}

export const getAllowedStyleKeys = node => {
  if (node.isCapture) {
    return ['base', 'focus', 'hover', 'disabled', 'placeholder', 'print']
  } else if (node.action || getActionableParent(node)) {
    return ['base', 'focus', 'hover', 'disabled', 'print']
  }
  return ['base', 'focus', 'print']
}

export const isList = node =>
  node && node.type === 'Block' && node.name === 'List'

export const isEmpty = list => list.length === 0

export const isValidImgSrc = (node, parent) =>
  node.name === 'source' && parent.name === 'Image' && parent.isBasic

export const pushImageToState = (state, scopedNames, paths) =>
  scopedNames.forEach(name => {
    const path = paths[scopedNames.findIndex(item => item === name)]
    if (!state.images.includes(path)) {
      state.images.push({
        name,
        file: path,
      })
    }
  })

export const getScopes = (node, parent) => {
  const scopedProps = getScopedProps(node, parent)
  if (!scopedProps) return false
  const paths = scopedProps.map(scope => scope.prop.value)
  const scopedNames = paths.map(path => toCamelCase(path))

  return { scopedProps, paths, scopedNames }
}

export const isSvg = node => /^Svg/.test(node.name) && node.isBasic

export const getScopeDescription = scope => {
  const dictionary = {}
  const re = /(?:^|\W)props.(\w+)(?!\w)/g

  let match = re.exec(scope)
  while (match) {
    dictionary[match[1]] = toSlugCase(match[1])
    match = re.exec(scope)
  }

  for (let key in dictionary) {
    scope = scope.replace(new RegExp(key, 'g'), dictionary[key])
  }

  return toCamelCase(
    scope
      .replace(/\|\|/g, '-or-')
      .replace(/!/g, 'not-')
      .replace(/&&/g, '-and-')
      .replace(/props\./g, '')
      .replace(/\s/g, '')
  )
}

export const makeOnClickTracker = (node, state) => {
  const block = node.testId
    ? `"${state.name}.${node.testId}"`
    : `props["${state.testIdKey}"] || "${state.name}"`

  const track = `context.track({ block: ${block}, action: "click" })`

  state.isTracking = true

  return `event => { ${track}; (${node.value})(event); }`
}