Can't use with node 12 due to optional chaining

[please-rewrite]

Is there any chance you could transpile this down to cjs?
Currently only works for node 14+ due to using optional chaining throughout the code.

[eunchurn]

I made this patch for node version under 14.

use patch-pacakge make patch file in patches/tsc-hooks+1.1.1.patch as below

diff --git a/node_modules/tsc-hooks/hooks/copy-files/copy-files.hook.js b/node_modules/tsc-hooks/hooks/copy-files/copy-files.hook.js
index 74fa992..69621b3 100644
--- a/node_modules/tsc-hooks/hooks/copy-files/copy-files.hook.js
+++ b/node_modules/tsc-hooks/hooks/copy-files/copy-files.hook.js
@@ -8,9 +8,9 @@ module.exports = {
     const path = require('path');
     const fs = require('fs');
     const glob = require('glob');
-    const cwd = api.tsconfig?.compilerOptions?.rootDir || api.tsconfig.directory;
+    const cwd = api.tsconfig && api.tsconfig.compilerOptions && api.tsconfig.compilerOptions.rootDir || api.tsconfig.directory;
     const rootRegex = /^([^\/|\\])+/;
-    const outDir = api.tsconfig?.compilerOptions?.outDir;
+    const outDir = api.tsconfig && api.tsconfig.compilerOptions && api.tsconfig.compilerOptions.outDir;
 
     // Add included files from config
     const includedFiles = new Set();
@@ -34,7 +34,7 @@ module.exports = {
       const outFile = outDir ? file.replace(rootRegex, outDir) : file;
       if (fs.lstatSync(file).isDirectory()) {
         fs.mkdirSync(outFile, { recursive: true });
-      } else if (!file.endsWith('js') || !(file.endsWith('ts') && !api.tsconfig?.compilerOptions?.allowTs)) {
+      } else if (!file.endsWith('js') || !(file.endsWith('ts') && !(api.tsconfig && api.tsconfig.compilerOptions && api.tsconfig.compilerOptions.allowTs))) {
         fs.copyFileSync(file, outFile);
       }
     }
diff --git a/node_modules/tsc-hooks/lib/injection.js b/node_modules/tsc-hooks/lib/injection.js
index 1eadf17..680527c 100644
--- a/node_modules/tsc-hooks/lib/injection.js
+++ b/node_modules/tsc-hooks/lib/injection.js
@@ -50,8 +50,8 @@ if (fs.existsSync(tsconfigPath)) {
 
 	// Call each hook
 	for (const hookModule of hookModules || []) {
-		hookModule?.onInitCompilation?.(api);
-		process.on('exit', () => hookModule?.onPostCompilation?.(api));
+		hookModule && hookModule.onInitCompilation && hookModule.onInitCompilation(api);
+		process.on('exit', () => hookModule && hookModule.onInitCompilation && hookModule.onInitCompilation(api));
 	}
 
 	// Hooks may mutate the config, so write the original config back

in package.json

"scripts": {
  "postinstall": "patch-package"
}