Function getPreviousChunk

src/rmarkdown/chunks.ts:176–189

(chunks: RMarkdownChunk[], line: number)

}

function getPreviousChunk(chunks: RMarkdownChunk[], line: number): RMarkdownChunk | undefined {
    const currentChunk = getCurrentChunk(chunks, line);
    if (!currentChunk) {
        return undefined;
    }
    if (currentChunk.id !== 1) {
        // When cursor is below the last 'chunk end line', the definition of the previous chunk is the last chunk
        const previousChunkId = currentChunk.endLine < line ? currentChunk.id : currentChunk.id - 1;
        const previousChunk = chunks.find(i => i.id === previousChunkId);
        return previousChunk;
    } else {
        return (currentChunk);
    }
}

function getNextChunk(chunks: RMarkdownChunk[], line: number): RMarkdownChunk | undefined {
    const currentChunk = getCurrentChunk(chunks, line);