fix testcase (#23)

Author: gucong3000

extract.js

@@ -4,11 +4,9 @@ const remark = require("remark");
 const findAllAfter = require("unist-util-find-all-after");
 
 function mdParser (source, opts, result) {
-	if (!result) {
-		const htmlInMd = opts.syntax.config.htmlInMd;
-		if (htmlInMd == null || htmlInMd) {
-			result = require("postcss-html/extract")(source, opts, []);
-		}
+	const htmlInMd = opts.syntax.config.htmlInMd;
+	if (!result && (htmlInMd == null || htmlInMd)) {
+		result = require("postcss-html/extract")(source, opts, []);
 	}
 	const ast = remark().parse(source);
 	const blocks = findAllAfter(ast, 0, (node) => (

test/markdown.js

@@ -4,44 +4,45 @@ const expect = require("chai").expect;
 const syntax = require("../");
 
 describe("markdown tests", () => {
+	const md = [
+		"---",
+		"title: Something Special",
+		"---",
+		"Here is some text.",
+		"```css",
+		".foo {}",
+		"```",
+		"And some other text.",
+		"```css",
+		"    .foo { color: pink; }",
+		"      .bar {}",
+		"```",
+		"<style>",
+		"a {",
+		"\tdisplay: flex;",
+		"}",
+		"</style>",
+		"```scss",
+		"// Parser-breaking comment",
+		"$foo: bar;",
+		".foo {}",
+		"```",
+		"```js",
+		"<style>",
+		"js {}",
+		"</style>",
+		"```",
+		"```html",
+		"<style>",
+		"html {}",
+		"</style>",
+		"```",
+		"And the end.",
+	].join("\n");
+
 	it("CSS", () => {
-		const md = [
-			"---",
-			"title: Something Special",
-			"---",
-			"Here is some text.",
-			"```css",
-			".foo {}",
-			"```",
-			"And some other text.",
-			"```css",
-			"    .foo { color: pink; }",
-			"      .bar {}",
-			"```",
-			"<style>",
-			"a {",
-			"\tdisplay: flex;",
-			"}",
-			"</style>",
-			"```scss",
-			"// Parser-breaking comment",
-			"$foo: bar;",
-			".foo {}",
-			"```",
-			"```js",
-			"<style>",
-			"js {}",
-			"</style>",
-			"```",
-			"```html",
-			"<style>",
-			"html {}",
-			"</style>",
-			"```",
-			"And the end.",
-		].join("\n");
 		const document = syntax({
-			html: true,
+			htmlInMd: true,
 		}).parse(md, {
 			from: "markdown.md",
 		});
@@ -50,6 +51,17 @@ describe("markdown tests", () => {
 		expect(document.toString()).to.equal(md);
 	});
 
+	it("CSS", () => {
+		const document = syntax({
+			htmlInMd: false,
+		}).parse(md, {
+			from: "markdown.md",
+		});
+		expect(document.source).to.haveOwnProperty("lang", "markdown");
+		expect(document.nodes).to.have.lengthOf(3);
+		expect(document.toString()).to.equal(md);
+	});
+
 	it("empty code block", () => {
 		const source = [
 			"hi",