include filename in error/warning objects

Author: Rich-Harris

src/index.js

@@ -30,7 +30,7 @@ export function compile ( source, _options ) {
 	let parsed;
 
 	try {
-		parsed = parse( source );
+		parsed = parse( source, options );
 	} catch ( err ) {
 		options.onerror( err );
 		return;

src/parse/index.js

@@ -5,7 +5,7 @@ import { trimStart, trimEnd } from './utils/trim.js';
 import getCodeFrame from '../utils/getCodeFrame.js';
 import hash from './utils/hash.js';
 
-function ParseError ( message, template, index ) {
+function ParseError ( message, template, index, filename ) {
 	const { line, column } = locate( template, index );
 
 	this.name = 'ParseError';
@@ -14,13 +14,14 @@ function ParseError ( message, template, index ) {
 
 	this.loc = { line: line + 1, column };
 	this.pos = index;
+	this.filename = filename;
 }
 
 ParseError.prototype.toString = function () {
 	return `${this.message} (${this.loc.line}:${this.loc.column})\n${this.frame}`;
 };
 
-export default function parse ( template ) {
+export default function parse ( template, options = {} ) {
 	if ( typeof template !== 'string' ) {
 		throw new TypeError( 'Template must be a string' );
 	}
@@ -41,7 +42,7 @@ export default function parse ( template ) {
 		},
 
 		error ( message, index = this.index ) {
-			throw new ParseError( message, this.template, index );
+			throw new ParseError( message, this.template, index, options.filename );
 		},
 
 		eat ( str, required ) {

src/validate/index.js

@@ -3,7 +3,7 @@ import validateHtml from './html/index.js';
 import { getLocator } from 'locate-character';
 import getCodeFrame from '../utils/getCodeFrame.js';
 
-export default function validate ( parsed, source, options ) {
+export default function validate ( parsed, source, { onerror, onwarn, filename } ) {
 	const locator = getLocator( source );
 
 	const validator = {
@@ -14,11 +14,12 @@ export default function validate ( parsed, source, options ) {
 			error.frame = getCodeFrame( source, line, column );
 			error.loc = { line: line + 1, column };
 			error.pos = pos;
+			error.filename = filename;
 
 			error.toString = () => `${error.message} (${error.loc.line}:${error.loc.column})\n${error.frame}`;
 
-			if ( options.onerror ) {
-				options.onerror( error );
+			if ( onerror ) {
+				onerror( error );
 			} else {
 				throw error;
 			}
@@ -29,11 +30,12 @@ export default function validate ( parsed, source, options ) {
 
 			const frame = getCodeFrame( source, line, column );
 
-			options.onwarn({
+			onwarn({
 				message,
 				frame,
 				loc: { line: line + 1, column },
 				pos,
+				filename,
 				toString: () => `${message} (${line + 1}:${column})\n${frame}`
 			});
 		},

test/validate.js

@@ -9,7 +9,8 @@ describe( 'validate', () => {
 		const solo = exists( `test/validator/${dir}/solo` );
 
 		( solo ? it.only : it )( dir, () => {
-			const input = fs.readFileSync( `test/validator/${dir}/input.html`, 'utf-8' ).replace( /\s+$/, '' );
+			const filename = `test/validator/${dir}/input.html`;
+			const input = fs.readFileSync( filename, 'utf-8' ).replace( /\s+$/, '' );
 
 			try {
 				const parsed = svelte.parse( input );