Fix multiple given files w/o ignore

Closes GH-57.

lib/finder.js

@@ -289,19 +289,21 @@ function statAndIgnore(file, options, callback) {
     expected++
     fs.stat(fp, (error, value) => {
       stats = value
-      onStartOrCheck(error)
+      onStatOrCheck(error)
     })
   }
 
   options.ignore.check(fp, (error, value) => {
     ignored = value
-    onStartOrCheck(error)
+
+    // `ignore.check` is sometimes sync, we need to force async behavior.
+    setImmediate(onStatOrCheck, error)
   })
 
   /**
    * @param {Error|null} error
    */
-  function onStartOrCheck(error) {
+  function onStatOrCheck(error) {
     actual++
 
     if (error) {

test/input.js

@@ -13,7 +13,7 @@ const cross = process.platform === 'win32' ? '×' : '✖'
 const fixtures = path.join('test', 'fixtures')
 
 test('input', (t) => {
-  t.plan(20)
+  t.plan(21)
 
   t.test('should fail without input', (t) => {
     const stream = new PassThrough()
@@ -430,6 +430,48 @@ test('input', (t) => {
     )
   })
 
+  t.test('should not attempt to read files with `value` (3)', (t) => {
+    const stderr = spy()
+    const cwd = path.join(fixtures, 'empty')
+    const file1 = toVFile({
+      path: path.join(cwd, 'not-existing-1.txt'),
+      value: 'foo'
+    })
+    const file2 = toVFile({
+      path: path.join(cwd, 'not-existing-2.txt'),
+      value: 'bar'
+    })
+
+    t.plan(1)
+
+    engine(
+      {
+        processor: noop().use(
+          /** @type {import('unified').Plugin<[], import('unist').Node>} */
+          function () {
+            return (_, file) => {
+              file.message('!')
+            }
+          }
+        ),
+        cwd,
+        streamError: stderr.stream,
+        files: [file1, file2]
+      },
+      (error, code) => {
+        t.deepEqual(
+          [error, code, stderr()],
+          [
+            null,
+            0,
+            'not-existing-1.txt\n  1:1  warning  !\n\nnot-existing-2.txt\n  1:1  warning  !\n\n⚠ 2 warnings\n'
+          ],
+          'should report'
+        )
+      }
+    )
+  })
+
   t.test('should not attempt to read files with `value` (3)', (t) => {
     const stderr = spy()
     const cwd = path.join(fixtures, 'empty')