Add CLI flag for debugging comment attachment issues (#10124)

2021-01-27 12:30:10 +02:00
1 parent 63a771db55
commit 79d2f4a295
@@ -0,0 +1,51 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`prints information for debugging comment attachment with --debug-print-comments (stdout) 1`] = `
+"[
+  {
+    \\"type\\": \\"CommentBlock\\",
+    \\"value\\": \\" 1 \\",
+    \\"start\\": 0,
+    \\"end\\": 7,
+    \\"loc\\": {
+      \\"start\\": { \\"line\\": 1, \\"column\\": 0 },
+      \\"end\\": { \\"line\\": 1, \\"column\\": 7 }
+    },
+    \\"placement\\": \\"endOfLine\\",
+    \\"leading\\": true,
+    \\"trailing\\": false,
+    \\"nodeDescription\\": \\"ExpressionStatement\\"
+  },
+  {
+    \\"type\\": \\"CommentBlock\\",
+    \\"value\\": \\" 2 \\",
+    \\"start\\": 24,
+    \\"end\\": 31,
+    \\"loc\\": {
+      \\"start\\": { \\"line\\": 2, \\"column\\": 16 },
+      \\"end\\": { \\"line\\": 2, \\"column\\": 23 }
+    },
+    \\"placement\\": \\"remaining\\",
+    \\"leading\\": false,
+    \\"trailing\\": true,
+    \\"nodeDescription\\": \\"Identifier foo\\"
+  },
+  {
+    \\"type\\": \\"CommentLine\\",
+    \\"value\\": \\" 3\\",
+    \\"start\\": 34,
+    \\"end\\": 38,
+    \\"loc\\": {
+      \\"start\\": { \\"line\\": 2, \\"column\\": 26 },
+      \\"end\\": { \\"line\\": 2, \\"column\\": 30 }
+    },
+    \\"placement\\": \\"remaining\\",
+    \\"leading\\": false,
+    \\"trailing\\": true,
+    \\"nodeDescription\\": \\"ExpressionStatement\\"
+  }
+]
+"
+`;
+
+exports[`prints information for debugging comment attachment with --debug-print-comments (write) 1`] = `Array []`;
@@ -0,0 +1,14 @@
+"use strict";
+
+const runPrettier = require("../runPrettier");
+
+describe("prints information for debugging comment attachment with --debug-print-comments", () => {
+  runPrettier(
+    "cli/with-shebang",
+    ["--debug-print-comments", "--parser", "babel"],
+    { input: "/* 1 */\nconsole.log(foo /* 2 */); // 3" }
+  ).test({
+    stderr: "",
+    status: 0,
+  });
+});