From a19523525bc72b67e4276ca1d9b5f072f6535425 Mon Sep 17 00:00:00 2001
From: kirillgroshkov <kirill.groshkov@naturalcycles.com>
Date: Fri, 20 Sep 2024 09:21:23 +0200
Subject: [PATCH] feat: build command (tsc prod build) now uses ts5.6's
 `--noCheck`

for performance gain.
---
 src/bin/dev-lib.ts | 21 +++++++++------------
 src/build.util.ts  | 10 ++++++++--
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/src/bin/dev-lib.ts b/src/bin/dev-lib.ts
index bb57b8a..ee5d532 100755
--- a/src/bin/dev-lib.ts
+++ b/src/bin/dev-lib.ts
@@ -27,31 +27,28 @@ interface Command {
 
 const commands: (Command | Separator)[] = [
   new Separator(), // build
+  {
+    name: 'tsc',
+    fn: tscAll,
+    desc: 'Run tsc in folders (src, scripts, e2e, playwright) if there is tsconfig.json present',
+  },
+  { name: 'bt', fn: bt, desc: 'Build & Test: run "tsc" and then "test".' },
+  { name: 'lbt', fn: lbt, desc: 'Lint/Build/Test: run "lint", then "tsc", then "test".' },
   {
     name: 'build',
     fn: buildProd,
-    desc: 'Clean ./dist, run "build-copy" then tsc with emit, using tsconfig.prod.json',
-    cliOnly: true,
+    desc: 'Clean ./dist, run "build-copy" then tsc with --emit and --noCheck, using tsconfig.prod.json',
   },
   {
     name: 'build-copy',
     fn: buildCopy,
     desc: 'Copy the non-ts files from ./src to ./dist',
-    cliOnly: true,
   },
   {
     name: 'build-esm-cjs',
     fn: buildEsmCjs,
-    desc: 'Clean ./dist and ./dist-esm, then run "tsc" in CJS and ESM modes.',
-    cliOnly: true,
-  },
-  {
-    name: 'tsc',
-    fn: tscAll,
-    desc: 'Run tsc in folders (src, scripts, e2e, playwright) if there is tsconfig.json present',
+    desc: 'Clean ./dist and ./dist-esm, then run "tsc" in CJS and ESM modes, with --emit and --noCheck',
   },
-  { name: 'bt', fn: bt, desc: 'Build & Test: run "build" and then "test".' },
-  { name: 'lbt', fn: lbt, desc: 'Lint/Build/Test: run "lint", then "build", then "test".' },
   new Separator(), // test
   { name: 'test', fn: runJest, desc: 'Run jest for *.test.ts files.' },
   {
diff --git a/src/build.util.ts b/src/build.util.ts
index 7a7392a..c978a66 100644
--- a/src/build.util.ts
+++ b/src/build.util.ts
@@ -30,6 +30,9 @@ export async function buildEsmCjs(): Promise<void> {
         'nodenext',
         '--moduleResolution',
         'nodenext',
+        '--noEmit',
+        'false',
+        '--noCheck',
       ],
       shell: false,
     }),
@@ -45,6 +48,9 @@ export async function buildEsmCjs(): Promise<void> {
         'bundler',
         '--declaration',
         'false',
+        '--noEmit',
+        'false',
+        '--noCheck',
       ],
       shell: false,
     }),
@@ -89,11 +95,11 @@ export async function runTSCInFolder(tsconfigPath: string, args: string[] = []):
   })
 }
 
-export async function runTSCProd(): Promise<void> {
+export async function runTSCProd(args: string[] = []): Promise<void> {
   const tsconfigPath = [`./tsconfig.prod.json`].find(p => fs.existsSync(p)) || 'tsconfig.json'
 
   await exec2.spawnAsync(`tsc`, {
-    args: ['-P', tsconfigPath],
+    args: ['-P', tsconfigPath, '--noEmit', 'false', '--noCheck', ...args],
     shell: false,
   })
 }