add --error-recompile flag

Author: wclr

bin/ts-node-dev

@@ -34,7 +34,8 @@ var opts = minimist(devArgs, {
     'tree-kill',
     'clear', 'cls',
     'exit-child',    
-    'rs'
+    'rs',
+    'error-recompile'
   ],
   string: [
     'compiler',
@@ -54,7 +55,7 @@ var opts = minimist(devArgs, {
     'interval',
     'debounce',
     'watch',
-    'restart-terminated'
+    'restart-terminated',    
   ],
   alias: {
     transpileOnly: 'T',

lib/compiler.js

@@ -205,6 +205,7 @@ var compiler = {
       compilerOptions: compilerOptions,
       files: options['files'] || true,
     }
+    
     try {
       compiler.service = register(tsNodeOptions)
     } catch (e) {
@@ -271,8 +272,11 @@ var compiler = {
       // should we really re-register ts-node?
       compiler.registerTsNode()
 
+      if (!compiler.options['error-recompile']) {
+          return
+      }
       const timeoutMs =
-        parseInt(process.env.TS_NODE_DEV_ERROR_RECOMPILE_TIMEOUT) || 2500
+        parseInt(process.env.TS_NODE_DEV_ERROR_RECOMPILE_TIMEOUT) || 5000
       const errorHandler = () => {
         clearTimeout(compiler._errorCompileTimeout)
         compiler._errorCompileTimeout = setTimeout(() => {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ts-node-dev",
-  "version": "1.0.0-pre.48",
+  "version": "1.0.0-pre.49",
   "description": "Compiles your TS app and restarts when files are modified.",
   "keywords": [
     "restart",

test/index.ts

@@ -113,8 +113,8 @@ const notFoundSource = `export const fn = (x: number) => {
   return 'v1'
 }
 `
-test('It restarts when not found module added', async (t) => {
-  const ps = spawnTsNodeDev('--respawn with-not-found.ts', {
+test.only('It recompiles file on error and restarts', async (t) => {
+  const ps = spawnTsNodeDev('--respawn --error-recompile with-not-found.ts', {
     //stdout: true,
     env: {
       TS_NODE_DEV_ERROR_RECOMPILE_TIMEOUT: 250,
@@ -144,7 +144,7 @@ test('It handles allowJs option and loads JS modules', async (t) => {
   await ps.exit()
 })
 
-test('It allows use TS Transformers', async (t) => {
+test('It allows to use TS Transformers', async (t) => {
   const cOptions = { plugins: [{ transform: 'ts-nameof', type: 'raw' }] }
   const ps = spawnTsNodeDev(
     [
@@ -159,7 +159,7 @@ test('It allows use TS Transformers', async (t) => {
   await ps.exit()
 })
 
-test('It allows use custom TS Transformers', async (t) => {
+test('It allows to use custom TS Transformers', async (t) => {
   const cOptions = { plugins: [{ transform: __dirname + '/transformer.ts' }] }
   const ps = spawnTsNodeDev(
     [