remove validate and Stylesheet from public API

src/Stats.ts

@@ -26,6 +26,8 @@ function collapseTimings(timings) {
 }
 
 export default class Stats {
+	onwarn: (warning: Warning) => void;
+
 	startTime: number;
 	currentTiming: Timing;
 	currentChildren: Timing[];
@@ -33,11 +35,15 @@ export default class Stats {
 	stack: Timing[];
 	warnings: Warning[];
 
-	constructor() {
+	constructor({ onwarn }: {
+		onwarn: (warning: Warning) => void
+	}) {
 		this.startTime = now();
 		this.stack = [];
 		this.currentChildren = this.timings = [];
 
+		this.onwarn = onwarn;
+
 		this.warnings = [];
 	}
 
@@ -99,4 +105,9 @@ export default class Stats {
 			hooks
 		};
 	}
+
+	warn(warning) {
+		this.warnings.push(warning);
+		this.onwarn(warning);
+	}
 }

src/index.ts

@@ -106,11 +106,13 @@ export async function preprocess(source: string, options: PreprocessOptions) {
 	};
 }
 
-export function compile(source: string, _options: CompileOptions) {
+function compile(source: string, _options: CompileOptions) {
 	const options = normalizeOptions(_options);
 	let parsed: Parsed;
 
-	const stats = new Stats();
+	const stats = new Stats({
+		onwarn: options.onwarn
+	});
 
 	try {
 		stats.start('parse');
@@ -126,23 +128,19 @@ 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);
+	validate(parsed, source, stylesheet, stats, options);
 	stats.stop('validate');
 
+	if (options.generate === false) {
+		return { ast: parsed, stats, js: null, css: null };
+	}
+
 	const compiler = options.generate === 'ssr' ? generateSSR : generate;
 
 	return compiler(parsed, source, stylesheet, options, stats);
 };
 
-export function create(source: string, _options: CompileOptions = {}) {
+function create(source: string, _options: CompileOptions = {}) {
 	_options.format = 'eval';
 
 	const compiled = compile(source, _options);
@@ -163,4 +161,4 @@ export function create(source: string, _options: CompileOptions = {}) {
 	}
 }
 
-export { parse, validate, Stylesheet, version as VERSION };
+export { parse, create, compile, version as VERSION };

src/interfaces.ts

@@ -44,7 +44,7 @@ export interface CompileOptions {
 	format?: ModuleFormat;
 	name?: string;
 	filename?: string;
-	generate?: string;
+	generate?: string | false;
 	globals?: ((id: string) => string) | object;
 	amd?: {
 		id?: string;

src/validate/index.ts

@@ -5,15 +5,16 @@ import getCodeFrame from '../utils/getCodeFrame';
 import Stats from '../Stats';
 import error from '../utils/error';
 import Stylesheet from '../css/Stylesheet';
+import Stats from '../Stats';
 import { Node, Parsed, CompileOptions, Warning } from '../interfaces';
 
 export class Validator {
 	readonly source: string;
 	readonly filename: string;
 	readonly v2: boolean;
+	readonly stats: Stats;
 
 	options: CompileOptions;
-	onwarn: ({}) => void;
 	locator?: (pos: number) => Location;
 
 	namespace: string;
@@ -34,10 +35,11 @@ export class Validator {
 		actions: Set<string>;
 	};
 
-	constructor(parsed: Parsed, source: string, options: CompileOptions) {
+	constructor(parsed: Parsed, source: string, stats: Stats, options: CompileOptions) {
 		this.source = source;
+		this.stats = stats;
+
 		this.filename = options.filename;
-		this.onwarn = options.onwarn;
 		this.options = options;
 		this.v2 = options.parser === 'v2';
 
@@ -79,7 +81,7 @@ export class Validator {
 
 		const frame = getCodeFrame(this.source, start.line, start.column);
 
-		this.onwarn({
+		this.stats.warn({
 			code,
 			message,
 			frame,
@@ -96,9 +98,10 @@ export default function validate(
 	parsed: Parsed,
 	source: string,
 	stylesheet: Stylesheet,
+	stats: Stats,
 	options: CompileOptions
 ) {
-	const { onwarn, onerror, name, filename, store, dev, parser } = options;
+	const { onerror, name, filename, store, dev, parser } = options;
 
 	try {
 		if (name && !/^[a-zA-Z_$][a-zA-Z_$0-9]*$/.test(name)) {
@@ -108,7 +111,7 @@ export default function validate(
 
 		if (name && /^[a-z]/.test(name)) {
 			const message = `options.name should be capitalised`;
-			onwarn({
+			stats.warn({
 				code: `options-lowercase-name`,
 				message,
 				filename,
@@ -116,8 +119,7 @@ export default function validate(
 			});
 		}
 
-		const validator = new Validator(parsed, source, {
-			onwarn,
+		const validator = new Validator(parsed, source, stats, {
 			name,
 			filename,
 			store,

test/validator/index.js

@@ -28,7 +28,8 @@ describe("validate", () => {
 							const { code, message, pos, loc, end } = warning;
 							warnings.push({ code, message, pos, loc, end });
 						},
-						dev: config.dev
+						dev: config.dev,
+						generate: false
 					});
 
 					assert.equal(stats.warnings.length, warnings.length);
@@ -87,7 +88,8 @@ describe("validate", () => {
 	it("errors if options.name is illegal", () => {
 		assert.throws(() => {
 			svelte.compile("<div></div>", {
-				name: "not.valid"
+				name: "not.valid",
+				generate: false
 			});
 		}, /options\.name must be a valid identifier/);
 	});
@@ -103,7 +105,8 @@ describe("validate", () => {
 					pos: warning.pos,
 					loc: warning.loc
 				});
-			}
+			},
+			generate: false
 		});
 		assert.deepEqual(warnings, [
 			{
@@ -126,7 +129,8 @@ describe("validate", () => {
 					pos: warning.pos,
 					loc: warning.loc
 				});
-			}
+			},
+			generate: false
 		});
 		assert.deepEqual(warnings, []);
 	});