feat(autocomplete): add single-line truncation for improved acceptance rate #4321
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Summary
This PR adds context-aware single-line truncation to the autocomplete functionality to improve acceptance rates.
Changes
uselessSuggestionFilter.ts: Added
multilineparameter topostprocessGhostSuggestion. Whenmultiline=false, completions are truncated at the first newline character.types.ts: Added
multiline: booleanfield toFimGhostPromptandHoleFillerGhostPromptinterfaces.FillInTheMiddle.ts: Integrated
shouldCompleteMultilinefrom continuedev to determine when to use single-line mode based on context (cursor position, language, etc.).HoleFiller.ts: Same integration for the hole-filler strategy.
GhostInlineCompletionProvider.ts: Pass the multiline flag through to postprocessing.
How it works
The
shouldCompleteMultilinefunction from continuedev determines whether to allow multi-line completions based on:When single-line mode is active, completions are truncated at the first newline, resulting in shorter, more focused suggestions that typically have higher acceptance rates.
Testing
Added comprehensive tests for the new single-line truncation behavior in
uselessSuggestionFilter.test.ts.