react-native/Examples/Movies/getStyleFromScore.js

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/**
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* The examples provided by Facebook are for non-commercial testing and
* evaluation purposes only.
*
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* Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
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* @flow
*/
'use strict';
var React = require('react-native');
var {
StyleSheet,
} = React;
var MAX_VALUE = 200;
function getStyleFromScore(score: number): {color: string} {
if (score < 0) {
return styles.noScore;
}
var normalizedScore = Math.round((score / 100) * MAX_VALUE);
return {
color: 'rgb(' +
(MAX_VALUE - normalizedScore) + ', ' +
normalizedScore + ', ' +
0 +
')'
};
}
var styles = StyleSheet.create({
noScore: {
color: '#999999',
},
});
module.exports = getStyleFromScore;