Merge pull request #31 from Financial-Times/source-map

Fix js source maps

tasks/deploy-hashed-assets.js

@@ -19,9 +19,7 @@ function hashAndUpload(opts) {
 		'Authorization': 'token ' + token
 	};
 	var api = 'https://api.github.com/repos/Financial-Times/next-hashed-assets/contents/';
-	var hash = crypto.createHash('sha1').update(file.content.toString('utf8')).digest('hex');
-	var hashedName = file.name.replace(/(.*)(\.[a-z0-9])/i, '$1-' + hash.substring(0, 8) + '$2');
-	return fetch(api + encodeURIComponent(app + '/' + hashedName), {
+	return fetch(api + encodeURIComponent(app + '/' + file.hashedName), {
 		method: 'PUT',
 		headers: authorizedHeaders,
 		body: JSON.stringify({
@@ -36,12 +34,12 @@ function hashAndUpload(opts) {
 	})
 		.then(function(response) {
 			if (response.status === 201) {
-				console.log('Successfully pushed ' + file.name + ' to GitHub for app ' + app);
+				console.log('Successfully pushed ' + file.hashedName + ' to GitHub for app ' + app);
 			} else {
 				return response.json()
 					.then(function(err) {
 						if (err.message === 'Invalid request.\n\n"sha" wasn\'t supplied.') {
-							console.log('Hashed file ' + app + '/' + hashedName + ' already exists');
+							console.log('Hashed file ' + app + '/' + file.hashedName + ' already exists');
 						} else {
 							throw new Error(err.message);
 						}
@@ -51,7 +49,7 @@ function hashAndUpload(opts) {
 		.then(function() {
 			return {
 				name: file.name,
-				hashedName: hashedName
+				hashedName: file.hashedName
 			};
 		});
 
@@ -75,6 +73,27 @@ module.exports = function(app) {
 					});
 			}));
 		})
+		.then(function(files) {
+			var mapHashName = '';
+			return files
+				.map(function(file) {
+					var hash = crypto.createHash('sha1').update(file.content.toString('utf8')).digest('hex');
+					file.hashedName = file.name.replace(/(.*)(\.[a-z0-9])/i, '$1-' + hash.substring(0, 8) + '$2');
+					if (file.name === 'main.js.map') {
+						mapHashName = file.hashedName;
+					}
+					return file;
+				})
+				.map(function(file) {
+					var content;
+					if (file.name === 'main.js') {
+						content = file.content.toString('utf8');
+						content = content.replace('/# sourceMappingURL=/' + app + '/' + file.name + '.map', '/# sourceMappingURL=/' + app + '/' + mapHashName);
+						file.content = new Buffer(content, 'utf8');
+					}
+					return file;
+				});
+		})
 		.then(function(files) {
 			var promise = files.reduce(function(promise, file) {
 					return promise.then(function(obj) {