fix(markdown): do not break inlineCode (#3230)

src/printer-markdown.js

@@ -22,7 +22,8 @@ const SINGLE_LINE_NODE_TYPES = [
   "heading",
   "tableCell",
   "footnoteDefinition",
-  "link"
+  "link",
+  "inlineCode"
 ];
 
 const SIBLING_NODE_TYPES = ["listItem", "definition", "footnoteDefinition"];

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

@@ -1312,8 +1312,8 @@ from this behavior use \`--with-node-modules\` flag.
 
 #### \`--write\`
 
-This rewrites all processed files in place. This is comparable to the \`eslint
---fix\` workflow.
+This rewrites all processed files in place. This is comparable to the
+\`eslint --fix\` workflow.
 
 ### ESLint
 
@@ -1856,8 +1856,8 @@ for more details see
 
 ### Visual Studio Code
 
-Can be installed using the extension sidebar. Search for \`Prettier - JavaScript
-formatter\`.
+Can be installed using the extension sidebar. Search for
+\`Prettier - JavaScript formatter\`.
 
 Can also be installed using \`ext install prettier-vscode\`.
 

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

@@ -30,6 +30,13 @@ exports[`escape.md 1`] = `
 
 `;
 
+exports[`long.md 1`] = `
+\`this is a long long long long long long long long long long long long long long long inline code\`
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+\`this is a long long long long long long long long long long long long long long long inline code\`
+
+`;
+
 exports[`simple.md 1`] = `
 \`123\`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

tests/markdown_inlineCode/long.md

@@ -0,0 +1 @@
+`this is a long long long long long long long long long long long long long long long inline code`