ignite-boilerplate-andross-typescript/templates/socialmedia/Components/ChatScreen/src/Day.js

Customized version of ignite Andross With TypeScript Support.

/* eslint no-use-before-define: ["error", { "variables": false }] */

import PropTypes from 'prop-types'
import React from 'react'
import { StyleSheet, Text, View, ViewPropTypes } from 'react-native'
import moment from 'moment'

import Color from './Color'

import { isSameDay } from './utils'
import { DATE_FORMAT } from './Constant'

export default function Day (
  { dateFormat, currentMessage, previousMessage, nextMessage, containerStyle, wrapperStyle, textStyle, inverted },
  context
) {
  if (!isSameDay(currentMessage, inverted ? previousMessage : nextMessage)) {
    return (
      <View style={[styles.container, containerStyle]}>
        <View style={wrapperStyle}>
          <Text style={[styles.text, textStyle]}>
            {moment(currentMessage.createdAt)
              .locale(context.getLocale())
              .format(dateFormat)
              .toUpperCase()}
          </Text>
        </View>
      </View>
    )
  }
  return null
}

const styles = StyleSheet.create({
  container: {
    alignItems: 'center',
    justifyContent: 'center',
    marginTop: 5,
    marginBottom: 10
  },
  text: {
    backgroundColor: Color.backgroundTransparent,
    color: Color.defaultColor,
    fontSize: 12,
    fontWeight: '600'
  }
})

Day.contextTypes = {
  getLocale: PropTypes.func
}

Day.defaultProps = {
  currentMessage: {
    // TODO: test if crash when createdAt === null
    createdAt: null
  },
  previousMessage: {},
  nextMessage: {},
  containerStyle: {},
  wrapperStyle: {},
  textStyle: {},
  dateFormat: DATE_FORMAT
}

Day.propTypes = {
  currentMessage: PropTypes.object,
  previousMessage: PropTypes.object,
  nextMessage: PropTypes.object,
  inverted: PropTypes.bool,
  containerStyle: ViewPropTypes.style,
  wrapperStyle: ViewPropTypes.style,
  textStyle: Text.propTypes.style,
  dateFormat: PropTypes.string
}