Exit process when there are no input files - fixes #83.

CHANGELOG.md

@@ -1,7 +1,10 @@
 # Changelog
 
+## 4.2.0
+* Exit process when there are no input files ([#83](/~https://github.com/vseventer/sharp-cli/issues/83)).
+
 ## 4.1.1 (March 21, 2023)
-* Fixes bug with AVIF filename formatting [#28](/~https://github.com/vseventer/sharp-cli/issues/82).
+* Fixes bug with AVIF filename formatting ([#28](/~https://github.com/vseventer/sharp-cli/issues/82)).
 
 ## 4.1.0 (December 15, 2022)
 * Recategorized top-level options under Global, Input, Output, and Optimization Options.

lib/convert.js

@@ -58,6 +58,10 @@ module.exports = {
       return list.concat(glob.sync(input, { absolute: true }))
     }, [])
 
+    if (files.length === 0) {
+      return Promise.reject(new Error('No input files'))
+    }
+
     // Process files.
     const isBatch = files.length > 1
     const promises = files.map((src) => {

test/convert.js

@@ -106,6 +106,16 @@ describe('convert', () => {
       return convert
         .files([input], dest, options)
     })
+    it('must warn if there is no files', () => {
+      return convert
+        .files([])
+        .then(() => { throw new Error('STOP') })
+        .catch((err) => {
+          expect(err).to.exist()
+          expect(err).to.have.property('message')
+          expect(err.message).to.contain('No input files')
+        })
+    })
   })
   describe('stream', () => {
     // Default output.