ubdate

node_modules/@gulp-sourcemaps/identity-map/index.js

@@ -0,0 +1,35 @@
+'use strict';
+
+var through = require('through2');
+var normalizePath = require('normalize-path');
+
+var generate = require('./lib/generate');
+
+function identityMap() {
+
+  function transform(file, _, cb) {
+    if (!file.sourceMap || !file.isBuffer()) {
+      return cb(null, file);
+    }
+
+    var sourcePath = normalizePath(file.relative);
+    var contents = file.contents.toString();
+
+    switch (file.extname) {
+      case '.js': {
+        file.sourceMap = generate.js(sourcePath, contents);
+        break;
+      }
+      case '.css': {
+        file.sourceMap = generate.css(sourcePath, contents);
+        break;
+      }
+    }
+
+    cb(null, file);
+  }
+
+  return through.obj(transform);
+}
+
+module.exports = identityMap;