fix: wrong error location (#110)

* fix: wrong error location

* Create great-horses-shop.md

Author: ota-meshi

.changeset/great-horses-shop.md

@@ -0,0 +1,5 @@
+---
+"astro-eslint-parser": patch
+---
+
+fix: wrong error location

src/context/index.ts

@@ -30,6 +30,10 @@ export class Context {
     };
   }
 
+  public getIndexFromLoc(loc: { line: number; column: number }): number {
+    return this.locs.getIndexFromLoc(loc);
+  }
+
   /**
    * Get the location information of the given indexes.
    */

src/errors.ts

@@ -15,12 +15,22 @@ export class ParseError extends SyntaxError {
   /**
    * Initialize this ParseError instance.
    */
-  public constructor(message: string, offset: number, ctx: Context) {
+  public constructor(
+    message: string,
+    offset: number | { line: number; column: number },
+    ctx: Context
+  ) {
     super(message);
-    this.index = offset;
-    const loc = ctx.getLocFromIndex(offset);
-    this.lineNumber = loc.line;
-    this.column = loc.column;
+    if (typeof offset === "number") {
+      this.index = offset;
+      const loc = ctx.getLocFromIndex(offset);
+      this.lineNumber = loc.line;
+      this.column = loc.column;
+    } else {
+      this.index = ctx.getIndexFromLoc(offset);
+      this.lineNumber = offset.line;
+      this.column = offset.column;
+    }
     this.originalAST = ctx.originalAST;
   }
 }

src/parser/astro-parser/parse.ts

@@ -27,7 +27,7 @@ export function parse(code: string, ctx: Context): ParseResult {
   for (const { code, text, location, severity } of result.diagnostics || []) {
     if (severity === 1 /* Error */) {
       ctx.originalAST = result.ast;
-      throw new ParseError(`${text} [${code}]`, location.length, ctx);
+      throw new ParseError(`${text} [${code}]`, location, ctx);
     }
   }
   if (!result.ast.children) {

tests/fixtures/parser/error/conflict-set-text-with-child-output.json

@@ -1,6 +1,6 @@
 {
-  "index": 8,
+  "index": 5,
   "lineNumber": 2,
   "message": "set:text directive will overwrite child nodes. [2006]",
-  "column": 7
+  "column": 4
 }