Clean up

ReactNativeClient/lib/shim-init-node.js

@@ -0,0 +1,67 @@
+import { shim } from 'lib/shim.js';
+import { GeolocationNode } from 'lib/geolocation-node.js';
+
+function shimInit() {
+	shim.Geolocation = GeolocationNode;
+
+	shim.fetchBlob = async function(url, options) {
+		if (!options || !options.path) throw new Error('fetchBlob: target file path is missing');
+		if (!options.method) options.method = 'GET';
+
+		const urlParse = require('url').parse;
+
+		url = urlParse(url.trim());
+		const http = url.protocol.toLowerCase() == 'http:' ? require('follow-redirects').http : require('follow-redirects').https;
+		const headers = options.headers ? options.headers : {};
+		const method = options.method ? options.method : 'GET';
+		if (method != 'GET') throw new Error('Only GET is supported');
+		const filePath = options.path;
+
+		function makeResponse(response) {
+			return {
+				ok: response.statusCode < 400,
+				path: filePath,
+				text: () => { return response.statusMessage; },
+				json: () => { return { message: response.statusCode + ': ' + response.statusMessage }; },
+				status: response.statusCode,
+				headers: response.headers,
+			};
+		}
+
+		const requestOptions = {
+			protocol: url.protocol,
+			host: url.host,
+			port: url.port,
+			method: method,
+			path: url.path + (url.query ? '?' + url.query : ''),
+			headers: headers,
+		};
+
+		return new Promise((resolve, reject) => {
+			try {
+				// Note: relative paths aren't supported
+				const file = fs.createWriteStream(filePath);
+
+				const request = http.get(requestOptions, function(response) {
+					response.pipe(file);
+
+					file.on('finish', function() {
+						file.close(() => {
+							resolve(makeResponse(response));
+						});
+					});
+				})
+
+				request.on('error', function(error) {
+					fs.unlink(filePath);
+					reject(error);
+				});
+			} catch(error) {
+				fs.unlink(filePath);
+				reject(error);
+			}
+		});
+	}
+}
+
+export { shimInit }