babel-plugin-transform-react-jsx-source - npm Package Compare versions

Comparing version 6.3.13 to 6.5.0

lib/index.js

@@ -13,3 +13,4 @@
 *
-* <sometag __source={{fileName: 'this/file.js', lineNumber: 10}}/>
+* var __jsxFileName = 'this/file.js';
+* <sometag __source={{fileName: __jsxFileName, lineNumber: 10}}/>
 */
@@ -19,11 +20,5 @@
 
-var _interopRequireDefault = require("babel-runtime/helpers/interop-require-default")["default"];
-
 exports.__esModule = true;
-
-var _path = require("path");
-
-var _path2 = _interopRequireDefault(_path);
-
 var TRACE_ID = "__source";
+var FILE_NAME_VAR = "_jsxFileName";
 
@@ -33,6 +28,5 @@ exports["default"] = function (_ref) {
 
-  function makeTrace(fileName, lineNumber) {
-    var fileNameLiteral = fileName != null ? t.stringLiteral(fileName) : t.nullLiteral();
+  function makeTrace(fileNameIdentifier, lineNumber) {
     var fileLineLiteral = lineNumber != null ? t.numericLiteral(lineNumber) : t.nullLiteral();
-    var fileNameProperty = t.objectProperty(t.identifier("fileName"), fileNameLiteral);
+    var fileNameProperty = t.objectProperty(t.identifier("fileName"), fileNameIdentifier);
     var lineNumberProperty = t.objectProperty(t.identifier("lineNumber"), fileLineLiteral);
@@ -43,8 +37,17 @@ return t.objectExpression([fileNameProperty, lineNumberProperty]);
   var visitor = {
-    JSXOpeningElement: function JSXOpeningElement(node, state) {
+    JSXOpeningElement: function JSXOpeningElement(path, state) {
+      if (!state.fileNameIdentifier) {
+        var fileName = state.file.log.filename !== "unknown" ? state.file.log.filename : null;
+
+        var fileNameIdentifier = path.scope.generateUidIdentifier(FILE_NAME_VAR);
+        path.hub.file.scope.push({ id: fileNameIdentifier, init: t.stringLiteral(fileName) });
+        state.fileNameIdentifier = fileNameIdentifier;
+      }
+
       var id = t.jSXIdentifier(TRACE_ID);
-      var fileName = state.file.log.filename !== "unknown" ? _path2["default"].relative(__dirname, state.file.log.filename) : null;
-      var trace = makeTrace(fileName, node.container.openingElement.loc.start.line);
-
-      node.container.openingElement.attributes.push(t.jSXAttribute(id, t.jSXExpressionContainer(trace)));
+      var location = path.container.openingElement.loc; // undefined for generated elements
+      if (location) {
+        var trace = makeTrace(state.fileNameIdentifier, location.start.line);
+        path.container.openingElement.attributes.push(t.jSXAttribute(id, t.jSXExpressionContainer(trace)));
+      }
     }
@@ -51,0 +54,0 @@ };

package.json

 {
   "name": "babel-plugin-transform-react-jsx-source",
-  "version": "6.3.13",
+  "version": "6.5.0",
   "description": "Add a __source prop to all JSX Elements",
@@ -5,0 +5,0 @@ "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-source",

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