Fix wrong heredoc indentation in calls (#1725)

* Fix wrong heredoc indentation in calls

* Snapshots

Author: bug-tape

src/printer.js

@@ -2798,6 +2798,9 @@ function printNode(path, options, print) {
           linebreak = flexible ? hardline : literalline;
           const lines = parentParent.raw.split(/\r?\n/g);
           closingTagIndentation = lines[lines.length - 1].search(/\S/);
+          if (closingTagIndentation === -1) {
+            closingTagIndentation = lines[lines.length - 2].search(/\S/);
+          }
         }
         return join(
           linebreak,

tests/encapsed/__snapshots__/jsfmt.spec.js.snap

@@ -476,6 +476,24 @@ function b()
     ";
 }
 
+// Heredoc in function call with correct indentation
+printf(
+    <<<EOT
+    Heredoc text used directly as argument
+    in a function call.
+    EOT
+    ,
+);
+
+// Heredoc in function call with wrong indentation
+printf(
+    <<<EOT
+        Heredoc text used directly as argument
+        in a function call.
+        EOT
+    ,
+);
+
 =====================================output=====================================
 <?php
 $encapsShell = \`a $b\`;
@@ -997,6 +1015,22 @@ function b()
     ";
 }
 
+// Heredoc in function call with correct indentation
+printf(
+    <<<EOT
+Heredoc text used directly as argument
+in a function call.
+EOT
+);
+
+// Heredoc in function call with wrong indentation
+printf(
+    <<<EOT
+Heredoc text used directly as argument
+in a function call.
+EOT
+);
+
 ================================================================================
 `;
 
@@ -1477,6 +1511,24 @@ function b()
     ";
 }
 
+// Heredoc in function call with correct indentation
+printf(
+    <<<EOT
+    Heredoc text used directly as argument
+    in a function call.
+    EOT
+    ,
+);
+
+// Heredoc in function call with wrong indentation
+printf(
+    <<<EOT
+        Heredoc text used directly as argument
+        in a function call.
+        EOT
+    ,
+);
+
 =====================================output=====================================
 <?php
 $encapsShell = \`a $b\`;
@@ -1999,6 +2051,24 @@ function b()
     ";
 }
 
+// Heredoc in function call with correct indentation
+printf(
+    <<<EOT
+    Heredoc text used directly as argument
+    in a function call.
+    EOT
+    ,
+);
+
+// Heredoc in function call with wrong indentation
+printf(
+    <<<EOT
+    Heredoc text used directly as argument
+    in a function call.
+    EOT
+    ,
+);
+
 ================================================================================
 `;
 

tests/encapsed/encapsed.php

@@ -467,3 +467,21 @@ function b()
         Even though it has a variable: $c
     ";
 }
+
+// Heredoc in function call with correct indentation
+printf(
+    <<<EOT
+    Heredoc text used directly as argument
+    in a function call.
+    EOT
+    ,
+);
+
+// Heredoc in function call with wrong indentation
+printf(
+    <<<EOT
+        Heredoc text used directly as argument
+        in a function call.
+        EOT
+    ,
+);