include warnings in stats object

src/Stats.ts

@@ -1,4 +1,4 @@
-import { Node } from './interfaces';
+import { Node, Warning } from './interfaces';
 import Generator from './generators/Generator';
 
 const now = (typeof process !== 'undefined' && process.hrtime)
@@ -31,11 +31,14 @@ export default class Stats {
 	currentChildren: Timing[];
 	timings: Timing[];
 	stack: Timing[];
+	warnings: Warning[];
 
 	constructor() {
 		this.startTime = now();
 		this.stack = [];
 		this.currentChildren = this.timings = [];
+
+		this.warnings = [];
 	}
 
 	start(label) {
@@ -91,7 +94,7 @@ export default class Stats {
 
 		return {
 			timings,
-			warnings: [], // TODO
+			warnings: this.warnings,
 			imports,
 			hooks
 		};

src/index.ts

@@ -126,6 +126,14 @@ export function compile(source: string, _options: CompileOptions) {
 	stats.stop('stylesheet');
 
 	stats.start('validate');
+	// TODO remove this when we remove svelte.validate from public API — we
+	// can use the stats object instead
+	const onwarn = options.onwarn;
+	options.onwarn = warning => {
+		stats.warnings.push(warning);
+		onwarn(warning);
+	};
+
 	validate(parsed, source, stylesheet, options);
 	stats.stop('validate');
 

src/validate/index.ts

@@ -3,6 +3,7 @@ import validateHtml from './html/index';
 import { getLocator, Location } from 'locate-character';
 import getCodeFrame from '../utils/getCodeFrame';
 import CompileError from '../utils/CompileError';
+import Stats from '../Stats';
 import Stylesheet from '../css/Stylesheet';
 import { Node, Parsed, CompileOptions, Warning } from '../interfaces';
 

test/validator/index.js

@@ -26,7 +26,7 @@ describe("validate", () => {
 			try {
 				const warnings = [];
 
-				svelte.compile(input, {
+				const { stats } = svelte.compile(input, {
 					onwarn(warning) {
 						warnings.push({
 							message: warning.message,
@@ -38,6 +38,17 @@ describe("validate", () => {
 					dev: config.dev
 				});
 
+				assert.equal(stats.warnings.length, warnings.length);
+				stats.warnings.forEach((full, i) => {
+					const lite = warnings[i];
+					assert.deepEqual({
+						message: full.message,
+						pos: full.pos,
+						loc: full.loc,
+						end: full.end
+					}, lite);
+				});
+
 				assert.deepEqual(warnings, expectedWarnings);
 			} catch (e) {
 				error = e;