add comments

2016-12-16 01:12:50 +00:00
parent 4cb7e5009a
commit 2907d663dc
2 changed files with 4 additions and 0 deletions
--- a/packages/babel-generator/src/source-map.js
+++ b/packages/babel-generator/src/source-map.js
@@ -70,6 +70,8 @@ export default class SourceMap {
    this._lastSourceLine = line;
    this._lastSourceColumn = column;

+    // We are deliberately not using the `source-map` library here to allow
+    // callers to use these mappings without any overhead
    this._rawMappings.push({
      // undefined to allow for more compact json serialization
      name: identifierName || undefined,