fix: use actual options for hints

closes #72

cli/synp.js

@@ -8,8 +8,15 @@ const run = require('./run')
 program
   .version(version)
   .option('-s, --source-file [source-file]', 'The path to the yarn.lock or package-lock.json to be converted')
-  .option('-f, --force', 'Force overwrite destination file')
-  .option('--with-workspace', 'Enable experimental npm lockfile v2 processing')
+  .option('-f, --force', 'Force overwrite destination file', false)
+  .option('-w, --with-workspace', 'Enable experimental npm lockfile v2 processing', false)
+  .exitOverride((err) => {
+    if (err.code === 'commander.unknownOption') {
+      console.log('use --help for hints')
+    }
+
+    return err
+  })
   .parse(process.argv)
 
 run(program)

lib/index.js

@@ -7,7 +7,7 @@ const { convertYarnToNpmV2, convertNpmV2ToYarn } = require('./lockfileV2')
 
 const checkWorkspace = (requiresWorkspace, withWorkspace) => {
   if (requiresWorkspace && !withWorkspace) {
-    console.warn('Workspace (npm lockfile v2) support is experimental. Pass `--with-workspaces` flag to enable and cross your fingers. Good luck!')
+    console.warn('Workspace (npm lockfile v2) support is experimental. Pass `--with-workspace` flag to enable and cross your fingers. Good luck!')
 
     return false
   }

test/integration.spec.js

@@ -316,7 +316,7 @@ test('warn if `--with-workspace` flag is missed', async t => {
   t.plan(2)
   try {
     const path = `${fixtures}/yarn-workspace`
-    const warning = 'Workspace (npm lockfile v2) support is experimental. Pass `--with-workspaces` flag to enable and cross your fingers. Good luck!'
+    const warning = 'Workspace (npm lockfile v2) support is experimental. Pass `--with-workspace` flag to enable and cross your fingers. Good luck!'
 
     sinon.spy(console, 'warn')
     npmToYarn(path)