diff options
| -rw-r--r-- | tools/js-optimizer.js | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js index be5accbc..3cd1b229 100644 --- a/tools/js-optimizer.js +++ b/tools/js-optimizer.js @@ -188,12 +188,12 @@ function traverseChildren(node, traverse, pre, post, stack) { // was stopped, true. Otherwise undefined. function traverse(node, pre, post, stack) { var type = node[0], result, len; - var relevant = typeof node[0] === 'string'; + var relevant = typeof type === 'string'; if (relevant) { if (stack) len = stack.length; var result = pre(node, type, stack); if (result === true) return true; - if (Array.isArray(result)) node = result; // Continue processing on this node + if (result && result !== null) node = result; // Continue processing on this node if (stack && len === stack.length) stack.push(0); } if (result !== null) { |