Function execRipgrep

src/services/ripgrep/index.ts:123–161

(bin: string, args: string[])

}

async function execRipgrep(bin: string, args: string[]): Promise<string> {
	return new Promise((resolve, reject) => {
		const rgProcess = childProcess.spawn(bin, args)
		// cross-platform alternative to head, which is ripgrep author's recommendation for limiting output.
		const rl = readline.createInterface({
			input: rgProcess.stdout,
			crlfDelay: Infinity, // treat \r\n as a single line break even if it's split across chunks. This ensures consistent behavior across different operating systems.
		})

		let output = ""
		let lineCount = 0
		const maxLines = MAX_RESULTS * 5 // limiting ripgrep output with max lines since there's no other way to limit results. it's okay that we're outputting as json, since we're parsing it line by line and ignore anything that's not part of a match. This assumes each result is at most 5 lines.

		rl.on("line", (line) => {
			if (lineCount < maxLines) {
				output += line + "\n"
				lineCount++
			} else {
				rl.close()
				rgProcess.kill()
			}
		})

		let errorOutput = ""
		rgProcess.stderr.on("data", (data) => {
			errorOutput += data.toString()
		})
		rl.on("close", () => {
			if (errorOutput) {
				reject(new Error(`ripgrep process error: ${errorOutput}`))
			} else {
				resolve(output)
			}
		})
		rgProcess.on("error", (error) => {
			reject(new Error(`ripgrep process error: ${error.message}`))
		})
	})
}

export async function regexSearchFiles(
	cwd: string,