refactor: use commander implies() syntax for flag

iiroj · iiroj · commit 82eded471db5 · 2023-12-02T13:58:49.000+02:00
diff --git a/.changeset/flat-ducks-double.md b/.changeset/flat-ducks-double.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/bin/lint-staged.js b/bin/lint-staged.js
@@ -68,7 +68,9 @@ cli
     new Option(
       '--no-stash',
       'disable the backup stash, and do not revert in case of errors. Implies "--no-hide-partially-staged".'
-    ).default(false)
+    )
+      .default(false)
+      .implies({ hidePartiallyStaged: false })
   )
 
 /**
@@ -79,7 +81,7 @@ cli
 cli
   .addOption(
     new Option('--hide-partially-staged', 'hide unstaged changes from partially staged files')
-      .default(null)
+      .default(true)
       .hideHelp()
   )
   .addOption(
@@ -122,8 +124,7 @@ const options = {
   relative: !!cliOptions.relative,
   shell: cliOptions.shell /* Either a boolean or a string pointing to the shell */,
   stash: !!cliOptions.stash, // commander inverts `no-<x>` flags to `!x`
-  hidePartiallyStaged:
-    cliOptions.hidePartiallyStaged == null ? !!cliOptions.stash : !!cliOptions.hidePartiallyStaged, // commander inverts `no-<x>` flags to `!x`
+  hidePartiallyStaged: !!cliOptions.hidePartiallyStaged, // commander inverts `no-<x>` flags to `!x`
   verbose: !!cliOptions.verbose,
 }
 
diff --git a/test/e2e/no-stash.test.js b/test/e2e/no-stash.test.js
@@ -35,14 +35,40 @@ describe('lint-staged', () => {
       res = await lintStaged('--diff=master...my-branch')
       expect(res.stderr).toMatch('Skipping backup because `--diff` was used.')
 
-      try {
-        await lintStaged('--diff=master...my-branch --stash')
-      } catch (err) {
-        expect(err.stderr).toMatch('lint-staged failed due to a git error.')
-      }
+      await expect(lintStaged('--diff=master...my-branch --stash')).rejects.toThrowError(
+        expect.objectContaining({
+          stderr: expect.stringContaining('lint-staged failed due to a git error.'),
+        })
+      )
 
       res = await lintStaged('--diff=master...my-branch --no-stash')
       expect(res.stderr).toMatch('Skipping backup because `--diff` was used.')
     })
   )
+
+  test(
+    '--no-stash implies --no-hide-partially-staged',
+    withGitIntegration(async ({ execGit, readFile, writeFile, cwd }) => {
+      const lintStaged = getLintStagedExecutor(cwd)
+
+      await writeFile('.lintstagedrc.json', JSON.stringify(configFixtures.prettierListDifferent))
+
+      // Stage ugly file
+      await writeFile('test.js', fileFixtures.uglyJS)
+      await execGit(['add', 'test.js'])
+
+      // modify file with unstaged changes
+      await writeFile('test.js', fileFixtures.uglyJSWithChanges)
+
+      // lint-staged fails because file is ugly
+      await expect(lintStaged('--no-stash')).rejects.toMatchObject({
+        stderr: expect.stringContaining(
+          'Skipping hiding unstaged changes from partially staged files because `--no-stash` was used'
+        ),
+      })
+
+      // unstaged changes were not touched
+      expect(await readFile('test.js')).toEqual(fileFixtures.uglyJSWithChanges)
+    })
+  )
 })
