From bfca8b1ab77654774a73dd7e800bf98f0a041afb Mon Sep 17 00:00:00 2001
From: vilicvane <vilicvane@live.com>
Date: Tue, 9 May 2023 23:15:47 +0800
Subject: [PATCH] Parse defaultCompilerOptions provided to cli

---
 packages/twoslash-cli/index.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/packages/twoslash-cli/index.js b/packages/twoslash-cli/index.js
index 0cd3515..2637bd6 100644
--- a/packages/twoslash-cli/index.js
+++ b/packages/twoslash-cli/index.js
@@ -15,6 +15,7 @@ import { join, dirname } from "path"
 import remarkShikiTwoslash from "remark-shiki-twoslash"
 import { basename, extname, sep } from "path"
 import { tmpdir } from "os"
+import ts from "typescript"
 
 export const canConvert = (path) => {
   const usable = [".md", ".ts", ".js", ".tsx", ".jsx"]
@@ -90,6 +91,18 @@ async function renderMarkdown(args) {
   const settings = getSettingsFromMarkdown(fileContent, from) || {}
   const markdownAST = remark().parse(fileContent)
 
+  if (settings.defaultCompilerOptions) {
+    const {options} = ts.convertCompilerOptionsFromJson(settings.defaultCompilerOptions, ".")
+    settings.defaultCompilerOptions = {
+      ...settings.defaultCompilerOptions,
+      ...Object.fromEntries(
+        Object
+          .entries(options)
+          .flatMap(([key, value]) => value === undefined ? [] : [[key, value]])
+      ),
+    }
+  }
+
   try {
     // @ts-ignore
     await remarkShikiTwoslash.default(settings)(markdownAST)