Fix lost adjacent JSX when using Babel (prettier#6881)

thorn0 · lydell · commit ea70396a05a3 · 2019-11-08T22:31:31.000+01:00
Bump @babel/parser to 7.7.3. Otherwise Prettier formats "&lt;a/&gt;&lt;b/&gt;" to "&lt;a/ &gt;;".
diff --git a/package.json b/package.json
@@ -16,7 +16,7 @@
   "dependencies": {
     "@angular/compiler": "8.2.13",
     "@babel/code-frame": "7.5.5",
-    "@babel/parser": "7.7.2",
+    "@babel/parser": "7.7.3",
     "@glimmer/syntax": "0.41.0",
     "@iarna/toml": "2.2.3",
     "@typescript-eslint/typescript-estree": "2.6.1",
diff --git a/tests_integration/__tests__/__snapshots__/format.js.snap b/tests_integration/__tests__/__snapshots__/format.js.snap
@@ -1,5 +1,12 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`'Adjacent JSX' error should not be swallowed by Babel's error recovery 1`] = `
+"Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>...</>? (2:1)
+  1 | <a></a>
+> 2 | <b></b>
+    | ^"
+`;
+
 exports[`html parser should handle CRLF correctly 1`] = `"\\"<!--\\\\r\\\\n  test\\\\r\\\\n  test\\\\r\\\\n-->\\\\r\\\\n\\""`;
 
 exports[`markdown parser should handle CRLF correctly 1`] = `"\\"\`\`\`\\\\r\\\\n\\\\r\\\\n\\\\r\\\\n\`\`\`\\\\r\\\\n\\""`;
diff --git a/tests_integration/__tests__/format.js b/tests_integration/__tests__/format.js
@@ -53,3 +53,8 @@ test("should work with foo plugin instance", () => {
     `"\\"{\\\\\\"tabWidth\\\\\\":8,\\\\\\"bracketSpacing\\\\\\":false}\\""`
   );
 });
+
+test("'Adjacent JSX' error should not be swallowed by Babel's error recovery", () => {
+  const input = "<a></a>\n<b></b>";
+  expect(() => prettier.format(input)).toThrowErrorMatchingSnapshot();
+});
diff --git a/yarn.lock b/yarn.lock
@@ -378,10 +378,10 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@babel/parser@7.7.2", "@babel/parser@^7.1.2", "@babel/parser@^7.1.5", "@babel/parser@^7.4.5", "@babel/parser@^7.5.5", "@babel/parser@^7.7.0", "@babel/parser@^7.7.2":
-  version "7.7.2"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.7.2.tgz#ea8334dc77416bfd9473eb470fd00d8245b3943b"
-  integrity sha512-DDaR5e0g4ZTb9aP7cpSZLkACEBdoLGwJDWgHtBhrGX7Q1RjhdoMOfexICj5cqTAtpowjGQWfcvfnQG7G2kAB5w==
+"@babel/parser@7.7.3", "@babel/parser@^7.1.2", "@babel/parser@^7.1.5", "@babel/parser@^7.4.5", "@babel/parser@^7.5.5", "@babel/parser@^7.7.0", "@babel/parser@^7.7.2":
+  version "7.7.3"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.7.3.tgz#5fad457c2529de476a248f75b0f090b3060af043"
+  integrity sha512-bqv+iCo9i+uLVbI0ILzKkvMorqxouI+GbV13ivcARXn9NNEabi2IEz912IgNpT/60BNXac5dgcfjb94NjsF33A==
 
 "@babel/plugin-proposal-async-generator-functions@^7.7.0":
   version "7.7.0"
