First Commit

vendor/psy/psysh/src/Completion/Source/HistorySource.php

@@ -0,0 +1,54 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2026 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Completion\Source;
+
+use Psy\Completion\AnalysisResult;
+use Psy\Completion\CompletionKind;
+use Psy\Readline\Interactive\Input\History;
+
+/**
+ * History-based completion source.
+ *
+ * Provides completion candidates from command history at the start of input.
+ */
+class HistorySource implements SourceInterface
+{
+    private History $history;
+
+    public function __construct(History $history)
+    {
+        $this->history = $history;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function appliesToKind(int $kinds): bool
+    {
+        return ($kinds & CompletionKind::COMMAND) !== 0;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getCompletions(AnalysisResult $analysis): array
+    {
+        if ($analysis->prefix === '') {
+            return [];
+        }
+
+        // Newest first, deduplicated
+        $commands = $this->history->search('', false);
+
+        return \array_values(\array_unique($commands));
+    }
+}