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Constants - Adding types #926

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Sep 8, 2020
Merged

Constants - Adding types #926

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35 changes: 11 additions & 24 deletions src/helpers/Constants.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,14 +6,14 @@ const orientations = {
LANDSCAPE: 'landscape'
};

const isAndroid = Platform.OS === 'android';
const isIOS = Platform.OS === 'ios';
const isAndroid: boolean = Platform.OS === 'android';
const isIOS: boolean = Platform.OS === 'ios';
let isTablet: boolean;
let statusBarHeight: number;
let screenHeight = Dimensions.get('screen').height;
let screenWidth = Dimensions.get('screen').width;
let windowHeight = Dimensions.get('window').height;
let windowWidth = Dimensions.get('window').width;
let screenHeight: number = Dimensions.get('screen').height;
let screenWidth: number = Dimensions.get('screen').width;
let windowHeight: number = Dimensions.get('window').height;
let windowWidth: number = Dimensions.get('window').width;

//@ts-ignore
isTablet = Platform.isPad || (getAspectRatio() < 1.6 && Math.max(screenWidth, screenHeight) >= 900);
Expand All @@ -29,17 +29,13 @@ function setStatusBarHeight() {
}

function getAspectRatio() {
return screenWidth < screenHeight
? screenHeight / screenWidth
: screenWidth / screenHeight;
return screenWidth < screenHeight ? screenHeight / screenWidth : screenWidth / screenHeight;
}


function getOrientation(height: number, width: number) {
return width < height ? orientations.PORTRAIT : orientations.LANDSCAPE;
}


export function updateConstants(dimensions: any) {
screenHeight = dimensions.screen.height;
screenWidth = dimensions.screen.width;
Expand All @@ -49,17 +45,16 @@ export function updateConstants(dimensions: any) {
setStatusBarHeight();
}




const accessibility = {
isScreenReaderEnabled: false
};

function handleScreenReaderChanged(isScreenReaderEnabled: AccessibilityEvent) {
accessibility.isScreenReaderEnabled = isScreenReaderEnabled as boolean;
}

AccessibilityInfo.addEventListener('screenReaderChanged', handleScreenReaderChanged);

function setAccessibility() {
AccessibilityInfo.isScreenReaderEnabled().then(isScreenReaderEnabled => {
accessibility.isScreenReaderEnabled = isScreenReaderEnabled;
Expand Down Expand Up @@ -134,25 +129,17 @@ const constants = {
addDimensionsEventListener: (callback: any) => {
Dimensions.addEventListener('change', callback);
},

/* Dimensions */
removeDimensionsEventListener: (callback: any) => {
Dimensions.removeEventListener('change', callback);
},
// Accessibility
/* Accessibility */
get accessibility() {
return accessibility;
}
};



setStatusBarHeight();




Dimensions.addEventListener('change', updateConstants);



export default constants;