added yaml configuration which refers to add break before comments fo…

README.md

@@ -46,6 +46,7 @@ prettierx <options> <file(s)>
 - `--no-object-curly-spacing` (`objectCurlySpacing: false`): Disable spaces between object curly braces (similar to the corresponding eslint option).
 - `--no-graphql-curly-spacing` (`graphqlCurlySpacing: false`): Disable spaces between curly braces for GraphQL.
 - `--no-yaml-bracket-spacing` (`yamlBracketSpacing: false`): Disable spaces between brackets / curly braces for YAML.
+- `--no-yaml-break-before-comment` (`yamlBreakBeforeComment: false`): Put or remove line break before comment section.
 - `--no-type-curly-spacing` (`typeCurlySpacing: false`): Disable spaces between type curly braces.
 
 (See [`docs/options.md`](docs/options.md) for more information.)

docs/options.md

@@ -391,6 +391,14 @@ Put or disable spaces between brackets / curly braces for YAML.
 | ------- | --------------------------- | ---------------------------- |
 | `true`  | `--no-yaml-bracket-spacing` | `yamlBracketSpacing: <bool>` |
 
+## YAML line break before comment
+
+Put or remove line breaked before comment section for YAML.
+
+| Default | CLI Override                | API Override                 |
+| ------- | --------------------------- | ---------------------------- |
+| `false`  | `--no-yaml-break-before-comment` | `yamlBreakBeforeComment: <bool>` |
+
 ## Type curly spacing
 
 Put or disable spaces between type curly braces.

src/language-yaml/options.js

@@ -15,4 +15,12 @@ module.exports = {
     oppositeDescription:
       "Do not put spaces between brackets / curly braces for YAML.",
   },
+  yamlBreakBeforeComment: {
+    category: "Other",
+    type: "boolean",
+    default: false,
+    description: "Put or remove line breaked before comment section for YAML.",
+    oppositeDescription:
+      "Do not put line break before comment section for YAML.",
+  },
 };

src/language-yaml/printer-yaml.js

@@ -43,6 +43,7 @@ const {
 } = require("./print/flow-mapping-sequence");
 const printMappingItem = require("./print/mapping-item");
 const printBlock = require("./print/block");
+const { yamlBreakBeforeComment } = require("./options");
 
 function genericPrint(path, options, print) {
   const node = path.getValue();
@@ -91,7 +92,7 @@ function genericPrint(path, options, print) {
 
   if (hasMiddleComments(node)) {
     parts.push([
-      node.middleComments.length === 1 ? "" : hardline,
+      node.middleComments.length === 1 && !yamlBreakBeforeComment ? "" : hardline,
       join(hardline, path.map(print, "middleComments")),
       hardline,
     ]);

tests/format/yaml/block-folded/__snapshots__/jsfmt.spec.js.snap

@@ -224,7 +224,8 @@ proseWrap: "always"
   123
 
 =====================================output=====================================
-!!str #comment
+!!str
+#comment
 >
   123
 
@@ -242,7 +243,8 @@ printWidth: 80
   123
 
 =====================================output=====================================
-!!str #comment
+!!str
+#comment
 >
   123