New: add "multiline" option to padding-line-between-statements (#9642)

docs/rules/padding-line-between-statements.md

@@ -66,6 +66,7 @@ You can supply any number of configurations. If an statement pair matches multip
     - `"if"` is `if` statements.
     - `"import"` is `import` declarations.
     - `"let"` is `let` variable declarations.
+    - `"multiline"` is any multiline statement.
     - `"multiline-block-like"` is block like statements. This is the same as `block-like` type, but only the block is multiline.
     - `"return"` is `return` statements.
     - `"switch"` is `switch` statements.

lib/rules/padding-line-between-statements.js

@@ -105,6 +105,15 @@ function isBlockLikeStatement(sourceCode, node) {
     );
 }
 
+/**
+ * Check whether the given node spans multiple lines or not.
+ * @param {ASTNode} node The node to check.
+ * @returns {boolean} `true` if the node is multiline.
+ */
+function isMultilineStatement(node) {
+    return node.loc.start.line !== node.loc.end.line;
+}
+
 /**
  * Check whether the given node is a directive or not.
  * @param {ASTNode} node The node to check.
@@ -353,9 +362,12 @@ const StatementTypes = {
             node.type === "ExpressionStatement" &&
             !isDirectivePrologue(node, sourceCode)
     },
+    multiline: {
+        test: node => isMultilineStatement(node)
+    },
     "multiline-block-like": {
         test: (node, sourceCode) =>
-            node.loc.start.line !== node.loc.end.line &&
+            isMultilineStatement(node) &&
             isBlockLikeStatement(sourceCode, node)
     },