example.js

this.state.companyExists ? (
                            <Stage key={'Cadastro Empresa'} noPrevious continue={() => true}>
                                {(instance, context) => (
                                    <View>
                                        <View>
                                            <Text style={styles.title}>{'Cadastre sua empresa'}</Text>
                                        </View>

                                        <View style={styles.inputContainer}>
                                            <Icon name='home' size={18} color='gray' style={styles.icon}/>
                                            <TextInput style={styles.input}
                                                       placeholder="Razão social"
                                                       returnKeyType="done"
                                                       keyboardType="default"
                                                       editable={true}
                                                       autoCorrect={false}
                                                       onChangeText={socialName => { this.setState({socialName}) }}/>
                                        </View>

                                        <View style={styles.inputContainer}>
                                            <Icon name='feather' size={18} color='gray' style={styles.icon}/>
                                            <TextInput style={styles.input}
                                                       placeholder="Nome fantasia"
                                                       returnKeyType="done"
                                                       keyboardType="default"
                                                       editable={true}
                                                       autoCorrect={false}
                                                       onChangeText={phantasyName => { this.setState({phantasyName})}}/>
                                        </View>
                                        <View style={styles.inputContainer}>
                                            <Icon name='map' size={18} color='gray' style={styles.icon}/>
                                            <TextInputMask style={styles.input}
                                                           refInput={(ref) => this.zipCode = ref}
                                                           type={'zip-code'}
                                                           placeholder="CEP"
                                                           returnKeyType="done"
                                                           keyboardType="numeric"
                                                           value={this.state.address.zipCode}
                                                           editable={true}
                                                           autoCorrect={false}
                                                           onChangeText={zipCode => { this.setState({address: {zipCode: zipCode}}); this.isValid() }}/>
                                        </View>

                                    </View>

                                )}
                            </Stage>
                        ): null }