expo-camera/build/utils/props.js

A React component that renders a preview for the device's either front or back camera. Camera's parameters like zoom, auto focus, white balance and flash mode are adjustable. With expo-camera, one can also take photos and record videos that are saved to t

import { Platform } from 'expo-modules-core';
import CameraManager from '../ExpoCameraManager';
// Values under keys from this object will be transformed to native options
export const ConversionTables = {
    type: CameraManager.Type,
    flash: CameraManager.FlashMode,
};
export function convertNativeProps(props) {
    if (!props || typeof props !== 'object') {
        return {};
    }
    const nativeProps = {};
    for (const [key, value] of Object.entries(props)) {
        const prop = key;
        if (typeof value === 'string' && ConversionTables[prop]) {
            nativeProps[key] =
                ConversionTables[prop][value];
        }
        else {
            nativeProps[key] = value;
        }
    }
    return nativeProps;
}
export function ensureNativeProps(props) {
    const newProps = convertNativeProps(props);
    newProps.barcodeScannerEnabled = !!props?.onBarcodeScanned;
    newProps.flashMode = props?.flash ?? 'off';
    newProps.mute = props?.mute ?? false;
    newProps.autoFocus = props?.autofocus ?? 'off';
    if (Platform.OS !== 'web') {
        delete newProps.poster;
    }
    return newProps;
}
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