[Pkg-javascript-commits] [node-acorn-jsx] 447/484: Add a descriptive error message for two adjacent JSX tags - fixes babel/babel#1682, fixes #19

[Bastien Roucariès]

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rouca pushed a commit to branch master
in repository node-acorn-jsx.

commit b1748633704b1cb8cb06b3ac695da6a9743c3e0f
Author: Sebastian McKenzie <sebmck at gmail.com>
Date:   Sun Jun 7 20:26:22 2015 +0100

    Add a descriptive error message for two adjacent JSX tags - fixes babel/babel#1682, fixes #19
---
 inject.js         | 3 +++
 test/tests-jsx.js | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/inject.js b/inject.js
index af51997..92fdd2a 100644
--- a/inject.js
+++ b/inject.js
@@ -602,6 +602,9 @@ module.exports = function(acorn) {
     node.openingElement = openingElement;
     node.closingElement = closingElement;
     node.children = children;
+    if (this.type === tt.relational && this.value === "<") {
+      this.raise(this.pos, "Adjacent JSX elements must be wrapped in an enclosing tag");
+    }
     return this.finishNode(node, 'JSXElement');
   };
 
diff --git a/test/tests-jsx.js b/test/tests-jsx.js
index def8d98..5851ea1 100644
--- a/test/tests-jsx.js
+++ b/test/tests-jsx.js
@@ -3633,8 +3633,11 @@ var fbTestFixture = {
 
 if (typeof exports !== "undefined") {
   var test = require("./driver.js").test;
+  var testFail = require("./driver.js").testFail;
 }
 
+testFail("var x = <div>one</div><div>two</div>;", "Adjacent JSX elements must be wrapped in an enclosing tag (1:23)");
+
 for (var ns in fbTestFixture) {
   ns = fbTestFixture[ns];
   for (var code in ns) {

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