Merge pull request #43 from vitonsky/29-use-consistent-quotes

feat: preserve quote style

Author: vitonsky

src/rules/alias.test.ts

@@ -64,5 +64,12 @@ tester.run('paths-alias', rule, {
 			errors: ['Update import to @bar/x/y/z'],
 			output: `import z from '@bar/x/y/z';`,
 		},
+		{
+			name: 'quotes style for string must be preserved for any fix',
+			filename: path.resolve('./src/index.ts'),
+			code: `import z from "./foo/x/y/z";`,
+			errors: ['Update import to @foo/x/y/z'],
+			output: `import z from "@foo/x/y/z";`,
+		},
 	],
 });

src/rules/alias.ts

@@ -129,8 +129,14 @@ const rule: Rule.RuleModule = {
 						node,
 						message: `Update import to ${replacement}`,
 						fix(fixer) {
-							// TODO: preserve quotes
-							const quote = `'`;
+							const acceptableQuoteSymbols = [`'`, `"`];
+							const originalStringQuote = node.source.raw?.slice(0, 1);
+							const quote =
+								originalStringQuote &&
+								acceptableQuoteSymbols.includes(originalStringQuote)
+									? originalStringQuote
+									: acceptableQuoteSymbols[0];
+
 							return fixer.replaceText(
 								node.source,
 								quote + replacement + quote,