feature(@putout/plugin-convert-quotes-to-backticks) add support of double backslash (xtermjs/xterm.js#3674)

Author: coderaiser

packages/plugin-convert-quotes-to-backticks/lib/convert-quotes-to-backticks.js

@@ -13,7 +13,9 @@ const {
 module.exports.report = () => `Use backticks instead of quotes`;
 
 module.exports.fix = (path) => {
-    const value = path.node.value.replace(/\n/g, '\\n');
+    const value = path.node.value
+        .replace(/\\/, '\\\\')
+        .replace(/\n/g, '\\n');
 
     replaceWith(path, TemplateLiteral([
         TemplateElement({
@@ -26,7 +28,9 @@ const {replaceWith} = operator;
 
 module.exports.traverse = ({push}) => ({
     StringLiteral(path) {
-        if (path.node.value.includes(`'`))
+        const {value} = path.node;
+        
+        if (value.includes(`'`))
             push(path);
     },
 });

packages/plugin-convert-quotes-to-backticks/test/convert-quotes-to-backticks.js

@@ -22,3 +22,8 @@ test('plugin-convert-quotes-to-backtics: transform: newline', (t) => {
     t.end();
 });
 
+test('plugin-convert-quotes-to-backtics: transform: backslash', (t) => {
+    t.transform('backslash');
+    t.end();
+});
+

packages/plugin-convert-quotes-to-backticks/test/fixture/backslash-fix.js

@@ -0,0 +1 @@
+`hello'`.replace(/'/, `\\'`);

packages/plugin-convert-quotes-to-backticks/test/fixture/backslash.js

@@ -0,0 +1 @@
+"hello'".replace(/'/, '\\\'');