TouchID.ios.js
/**
* @providesModule TouchID
* @flow
*/
'use strict';
import { NativeModules } from 'react-native';
const NativeTouchID = NativeModules.TouchID;
const { iOSErrors } = require('./data/errors');
const { getError, TouchIDError, TouchIDUnifiedError } = require('./errors');
/**
* High-level docs for the TouchID iOS API can be written here.
*/
export default {
isSupported(config) {
return new Promise((resolve, reject) => {
NativeTouchID.isSupported(config, (error, biometryType) => {
if (error) {
return reject(createError(config, error.message));
}
resolve(biometryType);
});
});
},
authenticate(reason, config) {
const DEFAULT_CONFIG = {
fallbackLabel: null,
unifiedErrors: false,
passcodeFallback: false
};
const authReason = reason ? reason : ' ';
const authConfig = Object.assign({}, DEFAULT_CONFIG, config);
return new Promise((resolve, reject) => {
NativeTouchID.authenticate(authReason, authConfig, error => {
// Return error if rejected
if (error) {
return reject(createError(authConfig, error.message));
}
resolve(true);
});
});
}
};
function createError(config, error) {
const { unifiedErrors } = config || {};
if (unifiedErrors) {
return new TouchIDUnifiedError(getError(error));
}
const details = iOSErrors[error];
details.name = error;
return new TouchIDError(error, details);
}