diff options
Diffstat (limited to 'ext/fg/js/source.js')
| -rw-r--r-- | ext/fg/js/source.js | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ext/fg/js/source.js b/ext/fg/js/source.js index c3da9f46..5be521fa 100644 --- a/ext/fg/js/source.js +++ b/ext/fg/js/source.js @@ -108,6 +108,10 @@ class TextSourceRange { static seekForward(node, offset, length) { const state = {node, offset, remainder: length, content: ''}; + if (length <= 0) { + return state; + } + const TEXT_NODE = Node.TEXT_NODE; const ELEMENT_NODE = Node.ELEMENT_NODE; let resetOffset = false; @@ -166,6 +170,10 @@ class TextSourceRange { static seekBackward(node, offset, length) { const state = {node, offset, remainder: length, content: ''}; + if (length <= 0) { + return state; + } + const TEXT_NODE = Node.TEXT_NODE; const ELEMENT_NODE = Node.ELEMENT_NODE; let resetOffset = false; |