run plugins optionally

7 years ago · dbdba75b15
parent 7e10622b9a
commit dbdba75b15
1 changed files with 7 additions and 4 deletions
--- a/lib/peg.js
+++ b/lib/peg.js
@ -29,16 +29,19 @@ const peg = {

        options = typeof options !== "undefined" ? options : {};

-        const plugins = "plugins" in options ? options.plugins : [];
        const session = new compiler.Session( {
            passes: util.convertPasses( compiler.passes )
        } );

-        plugins.forEach( p => {
+        if ( Array.isArray( options.plugins ) )

-            p.use( session, options );
+            options.plugins.forEach( p => {

-        } );
+                if ( typeof p.use !== "function" ) return;
+
+                p.use( session, options );
+
+            } );

        return compiler.compile(
            session.parse( grammar, options.parser || {} ),