fix: expose correct puppeteer launch options interface (#98)

Author: ccarcaci

src/lib/config.ts

@@ -1,7 +1,7 @@
 import { WatchOptions } from 'chokidar';
 import { MarkedOptions } from 'marked';
 import { resolve } from 'path';
-import { FrameAddScriptTagOptions, LaunchOptions, PDFOptions } from 'puppeteer';
+import { FrameAddScriptTagOptions, launch, PDFOptions } from 'puppeteer';
 
 export const defaultConfig: Config = {
 	basedir: process.cwd(),
@@ -114,7 +114,7 @@ interface BasicConfig {
 	 *
 	 * @see https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#puppeteerlaunchoptions
 	 */
-	launch_options: LaunchOptions;
+	launch_options: PuppeteerLaunchOptions;
 
 	/**
 	 * Markdown file encoding. Default: `utf-8`.
@@ -144,3 +144,5 @@ interface BasicConfig {
 	 */
 	watch_options?: WatchOptions;
 }
+
+export type PuppeteerLaunchOptions = Parameters<typeof launch>[0];

src/test/api.spec.ts

@@ -69,3 +69,13 @@ test('compile the MathJax test', async (t) => {
 	t.true(text.startsWith('Formulas with MathJax'));
 	t.true(text.includes('a≠0'));
 });
+
+test('compile passing some Puppeteer args', async (t) => {
+  const pdf = await mdToPdf(
+    { path: resolve(__dirname, 'basic', 'test.md') },
+    { launch_options: { args: [ '--no-sandbox' ] } });
+
+  t.is(pdf.filename, '');
+  t.truthy(pdf.content);
+  t.truthy(pdf.content instanceof Buffer);
+});

src/test/api.type-spec.ts

@@ -7,6 +7,7 @@ import { HtmlOutput, PdfOutput } from '../lib/generate-output';
 	expectType<PdfOutput>(await mdToPdf({ path: 'foo.md' }));
 
 	expectType<PdfOutput>(await mdToPdf({ path: 'foo.md' }, { as_html: false }));
+  expectType<PdfOutput>(await mdToPdf({ content: 'foo' }, { launch_options: { args: [ '--no-sandbox' ] } }));
 
 	expectType<HtmlOutput>(await mdToPdf({ content: 'foo' }, { as_html: true }));
 	expectType<HtmlOutput>(await mdToPdf({ path: 'foo.md' }, { as_html: true }));