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| author | toasted-nutbread <toasted-nutbread@users.noreply.github.com> | 2019-11-08 19:24:33 -0500 |
|---|---|---|
| committer | toasted-nutbread <toasted-nutbread@users.noreply.github.com> | 2019-11-08 19:24:33 -0500 |
| commit | fa963722a79c26c1642bbf81a2e153bd0c1a3fe8 (patch) | |
| tree | e5ea8f9130f75c2a0f66acdff6949669a85ce4b5 | |
| parent | b05960967098262c619e28be5238539c26b7b697 (diff) | |
Fix seekForward and seekBackward not handling length=0 case correctly
| -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; |