Copy file into directory (#11)

* Copy file into directory

* Add test and check if file exists before stating

* Format

packages/io/__tests__/io.test.ts

@@ -34,6 +34,24 @@ describe('cp', () => {
     )
   })
 
+  it('copies file into directory', async () => {
+    const root: string = path.join(
+      path.join(__dirname, '_temp'),
+      'cp_file_to_directory'
+    )
+    const sourceFile: string = path.join(root, 'cp_source')
+    const targetDirectory: string = path.join(root, 'cp_target')
+    const targetFile: string = path.join(targetDirectory, 'cp_source')
+    await io.mkdirP(targetDirectory)
+    await fs.writeFile(sourceFile, 'test file content')
+
+    await io.cp(sourceFile, targetDirectory, {recursive: false, force: true})
+
+    expect(await fs.readFile(targetFile, {encoding: 'utf8'})).toBe(
+      'test file content'
+    )
+  })
+
   it('try copying to existing file with -n', async () => {
     const root: string = path.join(getTestTemp(), 'cp_to_existing')
     const sourceFile: string = path.join(root, 'cp_source')

packages/io/src/io.ts

@@ -267,6 +267,9 @@ async function move(
 
     await copyDirectoryContents(source, dest, force, moveOptions.deleteOriginal)
   } else {
+    if ((await ioUtil.exists(dest)) && (await ioUtil.isDirectory(dest))) {
+      dest = path.join(dest, path.basename(source))
+    }
     if (force) {
       await ioUtil.copyFile(source, dest)
     } else {