initial commit

node_modules/mapstraction/index.js

@@ -0,0 +1,42 @@
+var fs = require('fs');
+var path = require('path');
+var through = require('through2');
+var convert = require('convert-source-map');
+
+var SEARCH_KEY = '//# sourceMappingURL=';
+
+module.exports = function (browserify, options) {
+    // debug mode only
+    if (browserify._options.debug) {
+
+        // Get the map file name
+        var map = options._ ? options._[0] : browserify.argv.outfile + '.map';
+
+        // create a transform stream
+        var createStream = function () {
+            var code = '';
+            var stream = through.obj(function (buf, enc, next) {
+                // accumulate the code chunks
+                code += buf.toString();
+                next();
+            }, function (next) {
+                var index = code.indexOf(SEARCH_KEY);
+                var sourcemap = code.substr(index);
+                var json = convert.fromComment(sourcemap).toJSON(2);
+                fs.writeFileSync(map, json);
+                code = code.substr(0, index) + SEARCH_KEY + path.basename(map);
+
+                this.push(new Buffer(code));
+                next();
+            });
+            stream.label = "mapstraction";
+            return stream;
+        };
+
+        //  hook into the bundle generation pipeline of Browserify
+        browserify.pipeline.get("wrap").push(createStream());
+        browserify.on("reset", function () {
+            browserify.pipeline.get("wrap").push(createStream());
+        });
+    }
+};