Function parseLines

src/integrations/misc/indentation-reader.ts:110–139

(content: string)

 * Parse a file's lines into LineRecord objects with indentation information.
 */
export function parseLines(content: string): LineRecord[] {
	const lines = content.split("\n")
	return lines.map((line, index) => {
		const trimmed = line.trimStart()
		const leadingWhitespace = line.length - trimmed.length

		// Calculate indent in spaces (tabs = TAB_WIDTH spaces each)
		let indentSpaces = 0
		for (let i = 0; i < leadingWhitespace; i++) {
			if (line[i] === "\t") {
				indentSpaces += TAB_WIDTH
			} else {
				indentSpaces += 1
			}
		}
		// Convert to indent level (number of INDENT_SIZE units)
		const indentLevel = Math.floor(indentSpaces / INDENT_SIZE)

		const isBlank = trimmed.length === 0
		const isBlockStart = !isBlank && BLOCK_START_PATTERNS.some((pattern) => pattern.test(line))

		return {
			lineNumber: index + 1,
			content: line,
			indentLevel,
			isBlank,
			isBlockStart,
		}
	})
}

/**
 * Compute effective indents where blank lines inherit the previous non-blank line's indent.