From 78fc007626cb289511c2b0ad210c5a29122f74f5 Mon Sep 17 00:00:00 2001
From: fi3ework <fi3ework@gmail.com>
Date: Wed, 3 Jul 2024 02:07:46 +0800
Subject: [PATCH] fix(vue-tsc): throw error and hint user when vue-tsc working
 with typescript lower than 5.0.0 (#349)

---
 .changeset/tiny-impalas-cheat.md                           | 5 +++++
 .../src/checkers/vueTsc/prepareVueTsc.ts                   | 7 +++++++
 2 files changed, 12 insertions(+)
 create mode 100644 .changeset/tiny-impalas-cheat.md

diff --git a/.changeset/tiny-impalas-cheat.md b/.changeset/tiny-impalas-cheat.md
new file mode 100644
index 00000000..95839789
--- /dev/null
+++ b/.changeset/tiny-impalas-cheat.md
@@ -0,0 +1,5 @@
+---
+'vite-plugin-checker': patch
+---
+
+Throw error and hint user when vue-tsc working with typescript lower than 5.0.0
diff --git a/packages/vite-plugin-checker/src/checkers/vueTsc/prepareVueTsc.ts b/packages/vite-plugin-checker/src/checkers/vueTsc/prepareVueTsc.ts
index 0dd2220d..e169022e 100644
--- a/packages/vite-plugin-checker/src/checkers/vueTsc/prepareVueTsc.ts
+++ b/packages/vite-plugin-checker/src/checkers/vueTsc/prepareVueTsc.ts
@@ -22,6 +22,13 @@ export async function prepareVueTsc() {
   const vueTscFlagFile = path.resolve(targetTsDir, 'vue-tsc-resolve-path')
   const currTsVersion = _require('typescript/package.json').version
 
+  const tsMajorVersion = Number(currTsVersion.split('.')[0])
+  if (tsMajorVersion < 5) {
+    throw new Error(
+      "\x1b[35m[vite-plugin-checker] Since 0.7.0, vue-tsc checkers requires TypeScript 5.0.0 or newer version.\nPlease upgrade TypeScript, or use v0.6.4 which works with vue-tsc^1 if you can't upgrade. Check the pull request https://github.com/fi3ework/vite-plugin-checker/pull/327 for detail.\x1b[39m\n"
+    )
+  }
+
   let shouldBuildFixture = true
   try {
     await access(targetTsDir)