Function searchContent

projects/runtime-node/src/localFiles.ts:233–269

(params)

        },

        async searchContent(params) {
            const record = asRecord(params)
            const dir = stringValue(record, "dir")
            const query = typeof record.query === "string" ? record.query : ""
            const limit = positiveInt(record.limit, DEFAULT_SEARCH_LIMIT)
            const caseSensitive = boolValue(record.caseSensitive)
            const files = await walk(dir)
            const matches: Array<{ file: string; line: number; content: string; matchStart: number; matchEnd: number }> = []
            const matcher = boolValue(record.regex)
                ? new RegExp(query, caseSensitive ? "u" : "iu")
                : null
            const needle = caseSensitive ? query : query.toLowerCase()

            for (const file of files) {
                if (file.isDir || matches.length >= limit) break
                const stat = await fs.stat(file.fullPath).catch(() => null)
                if (!stat || stat.size > MAX_SEARCH_FILE_SIZE) continue
                const content = await fs.readFile(file.fullPath, "utf8").catch(() => null)
                if (content === null) continue
                const lines = content.split(/\r?\n/)
                for (let index = 0; index < lines.length && matches.length < limit; index++) {
                    const line = lines[index]
                    const match = matcher?.exec(line)
                    const matchStart = matcher ? (match?.index ?? -1) : (caseSensitive ? line : line.toLowerCase()).indexOf(needle)
                    if (matchStart < 0) continue
                    matches.push({
                        file: file.relativePath,
                        line: index + 1,
                        content: line,
                        matchStart,
                        matchEnd: matchStart + (matcher ? (match?.[0].length ?? 0) : query.length),
                    })
                }
            }

            return { matches, truncated: matches.length >= limit }
        },
    }
}