js-mode: Don't indent inside a multiline string literal

* lisp/progmodes/js.el (js-indent-line): Do nothing when bol is inside
a string (https://github.com/mooz/js2-mode/issues/227).

3 files changed, 12 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 38e45d063a4..b004a2bba96 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2015-04-03  Dmitry Gutov  <dgutov@yandex.ru>
+
+        * progmodes/js.el (js-indent-line): Do nothing when bol is inside
+        a string (https://github.com/mooz/js2-mode/issues/227).
+
 2015-04-02  Stefan Monnier  <monnier@iro.umontreal.ca>
 
         * abbrev.el (define-abbrev-table): Treat a non-string "docstring" as
diff --git a/lisp/progmodes/js.el b/lisp/progmodes/js.el
index ff002983d12..f6cfa2e44d7 100644
--- a/lisp/progmodes/js.el
+++ b/lisp/progmodes/js.el
@@ -2002,7 +2002,8 @@ indentation is aligned to that column."
   (let* ((parse-status
           (save-excursion (syntax-ppss (point-at-bol))))
          (offset (- (point) (save-excursion (back-to-indentation) (point)))))
-    (indent-line-to (js--proper-indentation parse-status))
+    (unless (nth 3 parse-status)
+      (indent-line-to (js--proper-indentation parse-status)))
     (when (> offset 0) (forward-char offset))))
 
 ;;; Filling
diff --git a/test/indent/js.js b/test/indent/js.js
index ad7cb56a277..2120233259a 100644
--- a/test/indent/js.js
+++ b/test/indent/js.js
@@ -64,6 +64,11 @@ b +=
 baz(`http://foo.bar/${tee}`)
   .qux();
 
+`multiline string
+       contents
+  are kept
+        unchanged!`
+
 // Local Variables:
 // indent-tabs-mode: nil
 // js-indent-level: 2