diff --git a/README.md b/README.md
index 18833ad..0b0e795 100644
--- a/README.md
+++ b/README.md
@@ -140,6 +140,18 @@ To use the patched version of `Localized`, you should add the prop `typed`. For
 
 Finish! Now you have amazing types on your translations messages 🎉
 
+## Flags
+
+### --no-watch
+
+If you just want to emit the type definition, without running the watcher, you can use the flag `--no-watch`.
+
+For instance:
+
+```
+> fluent-typescript vanilla ./assets/locales/ --no-watcha
+```
+
 # How types are compiled
 
 ## Asymmetric translations
diff --git a/cli/emit-fluent-type-module.js b/cli/emit-fluent-type-module.js
new file mode 100644
index 0000000..6dc616d
--- /dev/null
+++ b/cli/emit-fluent-type-module.js
@@ -0,0 +1,22 @@
+const { buildFluentTypeModule } = require('../dist')
+
+const emitFluentTypeModule = (fileSystemApi, typeDefinitionTarget, typeDefinitionFilepath) => {
+  const fluentTypeModule = buildFluentTypeModule(typeDefinitionTarget)
+  const typeDefinitionFilename = `${typeDefinitionFilepath}/translations.ftl.d.ts`
+  fileSystemApi.writeFile(
+    typeDefinitionFilename,
+    fluentTypeModule,
+    { encoding: 'utf-8' },
+    (err) => {
+      if (err) {
+        console.log('❌ Error')
+        console.log(err)
+        return
+      }
+
+      console.log(`🏁 Type definition updated: ${typeDefinitionFilename}`)
+    }
+  )
+}
+
+module.exports = { emitFluentTypeModule }
diff --git a/cli/index.js b/cli/index.js
index a9576bb..d535c51 100755
--- a/cli/index.js
+++ b/cli/index.js
@@ -2,41 +2,12 @@
 
 const chokidar = require('chokidar')
 const fs = require('fs')
-const glob = require('glob')
-const { normalize } = require('path')
-const { start, updateContent, buildFluentTypeModule, targetsSupported } = require('../dist')
+const { updateContent, targetsSupported } = require('../dist')
+const { emitFluentTypeModule } = require('./emit-fluent-type-module')
+const { runFluentTypescript } = require('./run-fluent-typescript')
 
 const startWatcher = (fileSystemApi, typeDefinitionTarget, typeDefinitionFilepath) => {
-  const typeDefinitionFilename = `${typeDefinitionFilepath}/translations.ftl.d.ts`
-
-  const emitFluentTypeModule = () => {
-    const fluentTypeModule = buildFluentTypeModule(typeDefinitionTarget)
-
-    fileSystemApi.writeFile(
-      typeDefinitionFilename,
-      fluentTypeModule,
-      { encoding: 'utf-8' },
-      (err) => {
-        if (err) {
-          console.log('❌ Error')
-          console.log(err)
-          return
-        }
-
-        console.log(`🏁 Type definition updated: ${typeDefinitionFilename}`)
-      }
-    )
-  }
-
-  glob('**/*.ftl', { ignore: ['node_modules/**/*', '.git/**/*'] }, (errors, matches) => {
-    const files = matches.map(path => ({
-      path: normalize(path),
-      content: fileSystemApi.readFileSync(path, { encoding: 'utf-8' }),
-    }))
-
-    start(files)
-    emitFluentTypeModule()
-  })
+  runFluentTypescript(fileSystemApi, typeDefinitionTarget, typeDefinitionFilepath)
 
   const watcher = chokidar.watch('**/*.ftl', { ignored: ['node_modules/**/*', '.git/**/*'] })
 
@@ -56,13 +27,14 @@ const startWatcher = (fileSystemApi, typeDefinitionTarget, typeDefinitionFilepat
       const content = fileSystemApi.readFileSync(path, { encoding: 'utf-8' })
       updateContent({ path, content })
 
-      emitFluentTypeModule()
+      emitFluentTypeModule(fileSystemApi, typeDefinitionTarget, typeDefinitionFilepath)
     })
 }
 
 if (require.main === module) {
   const typeDefinitionTarget = process.argv[2]
   const typeDefinitionFilepath = process.argv[3]
+  const noWatchFlag = process.argv[4]
 
   if (typeDefinitionTarget === undefined) {
     console.error('❌ Error: missing argument with the target!')
@@ -82,5 +54,16 @@ if (require.main === module) {
     return
   }
 
+  if (noWatchFlag === '--no-watch') {
+    runFluentTypescript(fs, typeDefinitionTarget, typeDefinitionFilepath)
+    return
+  }
+
+  if (noWatchFlag !== undefined) {
+    console.error(`❌ Error: Unknown flag "${noWatchFlag}"`)
+    console.error('Example: fluent-typescript vanilla ./assets/locales/ --no-watch')
+    return
+  }
+
   startWatcher(fs, typeDefinitionTarget, typeDefinitionFilepath)
 }
diff --git a/cli/run-fluent-typescript.js b/cli/run-fluent-typescript.js
new file mode 100644
index 0000000..ba744c3
--- /dev/null
+++ b/cli/run-fluent-typescript.js
@@ -0,0 +1,18 @@
+const glob = require('glob')
+const { normalize } = require('path')
+const { start } = require('../dist')
+const { emitFluentTypeModule } = require('./emit-fluent-type-module')
+
+const runFluentTypescript = (fileSystemApi, typeDefinitionTarget, typeDefinitionFilepath) => {
+  glob('**/*.ftl', { ignore: ['node_modules/**/*', '.git/**/*'] }, (errors, matches) => {
+    const files = matches.map(path => ({
+      path: normalize(path),
+      content: fileSystemApi.readFileSync(path, { encoding: 'utf-8' }),
+    }))
+
+    start(files)
+    emitFluentTypeModule(fileSystemApi, typeDefinitionTarget, typeDefinitionFilepath)
+  })
+}
+
+module.exports = { runFluentTypescript }