react-native-blob-util/utils/uri.js

A module provides upload, download, and files access API. Supports file stream read/write for process large files.

export default {

    isFileURI: (uri: string): boolean => {
        if (typeof uri !== 'string')
            return false;
        return /^ReactNativeBlobUtil-file\:\/\//.test(uri);
    },

    isJSONStreamURI: (uri: string): boolean => {
        if (typeof uri !== 'string')
            return false;
        return /^JSONStream\:\/\//.test(uri);
    },

    removeURIScheme: (uri: string, iterations: number): string => {
        iterations = iterations || 1;
        let result = uri;
        for (let i = 0; i < iterations; i++) {
            result = String(result).replace(/^[^\:]+\:\/\//, '');
        }
        return String(result);
    },

    unwrapFileURI: (uri: string): string => {
        return String(uri).replace(/^ReactNativeBlobUtil-file\:\/\//, '');
    },

    wrap: (path: string): string => {
        const prefix = path.startsWith('content://') ? 'ReactNativeBlobUtil-content://' : 'ReactNativeBlobUtil-file://';
        return prefix + path;
    }

};