fix: multiquery deindent

cspell.yaml

@@ -9,5 +9,4 @@ words:
   - tagless
   - gitdown
   - astring
-  - quasis
-  - deindent
+  - quasis

package.json

@@ -7,7 +7,6 @@
   "dependencies": {
     "astring": "^1.8.3",
     "debug": "^4.3.4",
-    "deindent": "^0.1.0",
     "lodash": "^4.17.21",
     "pg-formatter": "^2.0.2",
     "sql-parse": "^0.1.5"
@@ -17,7 +16,6 @@
     "@semantic-release/commit-analyzer": "^9.0.2",
     "@semantic-release/github": "^8.0.7",
     "@semantic-release/npm": "^10.0.3",
-    "@types/deindent": "^0.1.0",
     "@types/mocha": "^10.0.0",
     "@types/node": "^18.11.9",
     "cspell": "^6.31.1",

src/rules/format.ts

@@ -1,6 +1,6 @@
+import dropBaseIndent from '../utilities/dropBaseIndent';
 import isSqlQuery from '../utilities/isSqlQuery';
 import { generate } from 'astring';
-import deindent from 'deindent';
 import { format } from 'pg-formatter';
 
 const create = (context) => {
@@ -48,7 +48,7 @@ const create = (context) => {
       }
 
       if (ignoreBaseIndent) {
-        literal = deindent(literal);
+        literal = dropBaseIndent(literal);
       }
 
       let formatted = format(literal, context.options[1]);
@@ -61,6 +61,10 @@ const create = (context) => {
         formatted = '\n' + formatted;
       }
 
+      if (formatted.endsWith('\n\n')) {
+        formatted = formatted.replace(/\n\n$/u, '\n');
+      }
+
       if (formatted !== literal) {
         context.report({
           fix: (fixer) => {

src/utilities/dropBaseIndent.ts

@@ -0,0 +1,12 @@
+// based on https://github.com/sindresorhus/strip-indent
+export default (raw: string) => {
+  const trimmedString = raw.replace(/ *$/u, '');
+
+  const matches = trimmedString.match(/^[\t ]*(?=\S)/gmu);
+  if (!matches) return trimmedString;
+
+  const indent = Math.min(...matches.map((match) => match.length));
+  if (!indent) return trimmedString;
+
+  return trimmedString.replaceAll(new RegExp(`^[ \\t]{${indent}}`, 'gmu'), '');
+};

test/rules/assertions/format.ts

@@ -135,5 +135,13 @@ export default {
         },
       ],
     },
+    {
+      code: '   const code = sql`\n        DROP TABLE foo;\n\n        DROP TABLE foo;\n    `;',
+      options: [
+        {
+          ignoreBaseIndent: true,
+        },
+      ],
+    },
   ],
 };