Initial commit

vendor/laravel/prompts/src/SuggestPrompt.php

@@ -0,0 +1,126 @@
+<?php
+
+namespace Laravel\Prompts;
+
+use Closure;
+use Illuminate\Support\Collection;
+
+class SuggestPrompt extends Prompt
+{
+    use Concerns\Scrolling;
+    use Concerns\Truncation;
+    use Concerns\TypedValue;
+
+    /**
+     * The options for the suggest prompt.
+     *
+     * @var array<string>|Closure(string): (array<string>|Collection<int, string>)
+     */
+    public array|Closure $options;
+
+    /**
+     * The cache of matches.
+     *
+     * @var array<string>|null
+     */
+    protected ?array $matches = null;
+
+    /**
+     * Create a new SuggestPrompt instance.
+     *
+     * @param  array<string>|Collection<int, string>|Closure(string): (array<string>|Collection<int, string>)  $options
+     */
+    public function __construct(
+        public string $label,
+        array|Collection|Closure $options,
+        public string $placeholder = '',
+        public string $default = '',
+        public int $scroll = 5,
+        public bool|string $required = false,
+        public mixed $validate = null,
+        public string $hint = '',
+        public ?Closure $transform = null,
+    ) {
+        $this->options = $options instanceof Collection ? $options->all() : $options;
+
+        $this->initializeScrolling(null);
+
+        $this->on('key', fn ($key) => match ($key) {
+            Key::UP, Key::UP_ARROW, Key::SHIFT_TAB, Key::CTRL_P => $this->highlightPrevious(count($this->matches()), true),
+            Key::DOWN, Key::DOWN_ARROW, Key::TAB, Key::CTRL_N => $this->highlightNext(count($this->matches()), true),
+            Key::oneOf([Key::HOME, Key::CTRL_A], $key) => $this->highlighted !== null ? $this->highlight(0) : null,
+            Key::oneOf([Key::END, Key::CTRL_E], $key) => $this->highlighted !== null ? $this->highlight(count($this->matches()) - 1) : null,
+            Key::ENTER => $this->selectHighlighted(),
+            Key::oneOf([Key::LEFT, Key::LEFT_ARROW, Key::RIGHT, Key::RIGHT_ARROW, Key::CTRL_B, Key::CTRL_F], $key) => $this->highlighted = null,
+            default => (function () {
+                $this->highlighted = null;
+                $this->matches = null;
+                $this->firstVisible = 0;
+            })(),
+        });
+
+        $this->trackTypedValue($default, ignore: fn ($key) => Key::oneOf([Key::HOME, Key::END, Key::CTRL_A, Key::CTRL_E], $key) && $this->highlighted !== null);
+    }
+
+    /**
+     * Get the entered value with a virtual cursor.
+     */
+    public function valueWithCursor(int $maxWidth): string
+    {
+        if ($this->highlighted !== null) {
+            return $this->value() === ''
+                ? $this->dim($this->truncate($this->placeholder, $maxWidth))
+                : $this->truncate($this->value(), $maxWidth);
+        }
+
+        if ($this->value() === '') {
+            return $this->dim($this->addCursor($this->placeholder, 0, $maxWidth));
+        }
+
+        return $this->addCursor($this->value(), $this->cursorPosition, $maxWidth);
+    }
+
+    /**
+     * Get options that match the input.
+     *
+     * @return array<string>
+     */
+    public function matches(): array
+    {
+        if (is_array($this->matches)) {
+            return $this->matches;
+        }
+
+        if ($this->options instanceof Closure) {
+            $matches = ($this->options)($this->value());
+
+            return $this->matches = array_values($matches instanceof Collection ? $matches->all() : $matches);
+        }
+
+        return $this->matches = array_values(array_filter($this->options, function ($option) {
+            return str_starts_with(strtolower($option), strtolower($this->value()));
+        }));
+    }
+
+    /**
+     * The current visible matches.
+     *
+     * @return array<string>
+     */
+    public function visible(): array
+    {
+        return array_slice($this->matches(), $this->firstVisible, $this->scroll, preserve_keys: true);
+    }
+
+    /**
+     * Select the highlighted entry.
+     */
+    protected function selectHighlighted(): void
+    {
+        if ($this->highlighted === null) {
+            return;
+        }
+
+        $this->typedValue = $this->matches()[$this->highlighted];
+    }
+}