add hook

Author: taylorotwell

src/Illuminate/View/Compilers/BladeCompiler.php

@@ -56,6 +56,13 @@ class BladeCompiler extends Compiler implements CompilerInterface
      */
     protected $conditions = [];
 
+    /**
+     * The registered string preparation callbacks.
+     *
+     * @var array
+     */
+    protected $prepareStringsForCompilationUsing = [];
+
     /**
      * All of the registered precompilers.
      *
@@ -249,6 +256,10 @@ public function compileString($value)
     {
         [$this->footer, $result] = [[], ''];
 
+        foreach ($this->prepareStringsForCompilationUsing as $callback) {
+            $value = $callback($value);
+        }
+
         // First we will compile the Blade component tags. This is a precompile style
         // step which compiles the component Blade tags into @component directives
         // that may be used by Blade. Then we should call any other precompilers.
@@ -947,6 +958,19 @@ public function getCustomDirectives()
         return $this->customDirectives;
     }
 
+    /**
+     * Indicate that the following callable should be used to prepare strings for compilation.
+     *
+     * @param  callable  $callback
+     * @return $this
+     */
+    public function prepareStringsForCompilationUsing(callable $callback)
+    {
+        $this->prepareStringsForCompilationUsing[] = $callback;
+
+        return $this;
+    }
+
     /**
      * Register a new precompiler.
      *