saven/packages/saven-cli/src/rn/StyleSheet/StyleSheetValidation.js

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/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @format
 *
 */

'use strict'

const ImageStylePropTypes = require('./ImageStylePropTypes')
const TextStylePropTypes = require('./TextStylePropTypes')
const ViewStylePropTypes = require('./ViewStylePropTypes')

const invariant = require('fbjs/lib/invariant')

// Hardcoded because this is a legit case but we don't want to load it from
// a private API. We might likely want to unify style sheet creation with how it
// is done in the DOM so this might move into React. I know what I'm doing so
// plz don't fire me.
const ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED'

class StyleSheetValidation {
  static validateStyleProp (prop, style, caller) {
    if (allStylePropTypes[prop] === undefined) {
      const message1 = '"' + prop + '" is not a valid style property.'
      const message2 =
        '\nValid style props: ' +
        JSON.stringify(Object.keys(allStylePropTypes).sort(), null, '  ')
      styleError(message1, style, caller, message2)
    }
    const error = allStylePropTypes[prop](
      style,
      prop,
      caller,
      'prop',
      null,
      ReactPropTypesSecret
    )
    if (error) {
      styleError(error.message, style, caller)
    }
  }

  static validateStyle (name, styles) {
    for (const prop in styles[name]) {
      StyleSheetValidation.validateStyleProp(
        prop,
        styles[name],
        'StyleSheet ' + name
      )
    }
  }

  static addValidStylePropTypes (stylePropTypes) {
    for (const key in stylePropTypes) {
      allStylePropTypes[key] = stylePropTypes[key]
    }
  }
}

const styleError = function (message1, style, caller, message2) {
  invariant(
    false,
    message1 +
    '\n' +
    (caller || '<<unknown>>') +
    ': ' +
    JSON.stringify(style, null, '  ') +
    (message2 || '')
  )
}

const allStylePropTypes = {}

StyleSheetValidation.addValidStylePropTypes(ImageStylePropTypes)
StyleSheetValidation.addValidStylePropTypes(TextStylePropTypes)
StyleSheetValidation.addValidStylePropTypes(ViewStylePropTypes)

module.exports = StyleSheetValidation