Fix #4150: Correctly outdent ternary followed by method call

Author: xixixao

lib/coffee-script/rewriter.js

@@ -398,7 +398,8 @@ class exports.Rewriter
       not (token[0] is 'TERMINATOR' and @tag(i + 1) in EXPRESSION_CLOSE) and
       not (token[0] is 'ELSE' and starter isnt 'THEN') and
       not (token[0] in ['CATCH', 'FINALLY'] and starter in ['->', '=>']) or
-      token[0] in CALL_CLOSERS and @tokens[i - 1].newLine
+      token[0] in CALL_CLOSERS and
+      (@tokens[i - 1].newLine or @tokens[i - 1][0] is 'OUTDENT')
 
     action = (token, i) ->
       @tokens.splice (if @tag(i - 1) is ',' then i - 1 else i), 0, outdent

src/rewriter.coffee

@@ -198,6 +198,27 @@ test "#1495, method call chaining", ->
   ).join ', '
   eq 'a, b, c', result
 
+test "chaining after inline ternary", ->
+  throws -> CoffeeScript.compile """
+    if 0 then 1 else g
+      a: 42
+    .h()
+  """
+
+  # Wrap calls containing spilling ternary
+  f = (x) -> h: x
+  id = (x) -> x
+  result = f if true then 42 else id
+      a: 2
+  .h
+  eq 42, result
+
+  # Chaining within spilling ternary works
+  result = f if false then 1 else id
+      a: 3
+      .a
+  eq 3, result.h
+
 # Nested blocks caused by paren unwrapping
 test "#1492: Nested blocks don't cause double semicolons", ->
   js = CoffeeScript.compile '(0;0)'