README

the ... strongest part of the blade

https://www.merriam-webster.com/dictionary/forte

Forte is a Laravel Blade parser and AST manipulation library.

Quick Start

use Forte\Facades\Forte;
use Forte\Rewriting\NodePath;

// Parse a Blade template into a document
$doc = Forte::parse('<div class="mt-4">Hello, {{ $name }}!</div>');

// Query with XPath
$divs = $doc->xpath('//div[@class]')->get();

// Rewrite (returns a new document, original is unchanged)
$newDoc = $doc->rewriteWith(function (NodePath $path) {
    if ($path->isTag('div')) {
        $path->removeClass('mt-4');
        $path->addClass('container');
    }
});

echo $newDoc->render(); // <div class="container">Hello, {{ $name }}!</div>

Core Features

Parsing

Forte's three-phase pipeline (lexer, tree builder, document) handles valid and malformed input alike, recovering gracefully with diagnostics.

$doc = Forte::parse($bladeTemplate);
$doc = Forte::parseFile('resources/views/welcome.blade.php');

Immutable Documents

Every mutation returns a new Document instance. Safe to hold references, chain transformations, and compare before/after states.

Tree Traversal and Querying

Walk the tree, find nodes by predicate, or query with XPath 1.0. Blade constructs map to namespaced elements (forte:if, forte:echo) for XPath queries.

// Walk all nodes
$doc->walk(fn ($node) => /* ... */);

// Find first match
$echo = $doc->find(fn ($n) => $n instanceof EchoNode);

// XPath
$doc->xpath('//forte:if')->get();

Rewriting

The visitor pattern with queued operations prevents excessive intermediate documents. Use NodePath for all mutations, including CSS class helpers, attribute manipulation, and structural changes.

$doc->rewriteWith(function (NodePath $path) {
    if ($path->isTag('center')) {
        $path->renameTag('div');
        $path->addClass('text-center');
    }
});

Components and Directives

First-class support for Blade components (<x-alert>), slots (<x-slot:header>), and all directive types (standalone @csrf, blocks @if...@endif).

$component = $doc->findComponentByName('x-alert');
$directive = $doc->find(fn ($n) => $n->isDirectiveNamed('foreach'));

Node Builders

Construct synthetic nodes for replacements and insertions with a fluent API.

use Forte\Rewriting\Builders\Builder;

Builder::element('div')->class('wrapper')->text('Hello');
Builder::directive('if', '($show)');
Builder::echo('$name');

To learn more, visit https://fortephp.com.

License

Forte is free software, released under the MIT license.

fortephp / forte

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