import { Filesystem } from "@/util/filesystem"

import { FrontmatterError } from "@opencode-ai/core/v1/config/error"

import { ConfigMarkdown as ConfigMarkdownCore } from "@opencode-ai/core/config/markdown"

export const FILE_REGEX = /(?<![\w`])@(\.?[^\s`,.]*(?:\.[^\s`,.]+)*)/g

export const SHELL_REGEX = /!`([^`]+)`/g

export function files(template: string) {

return Array.from(template.matchAll(FILE_REGEX))

}

export function shell(template: string) {

return Array.from(template.matchAll(SHELL_REGEX))

}

// other coding agents like claude code allow invalid yaml in their

// frontmatter, we need to fallback to a more permissive parser for those cases

export const fallbackSanitization = ConfigMarkdownCore.sanitize

export async function parse(filePath: string) {

const template = await Filesystem.readText(filePath)

try {

return ConfigMarkdownCore.parse(template)

} catch (err) {

throw new FrontmatterError(

{

path: filePath,

message: `${filePath}: Failed to parse YAML frontmatter: ${err instanceof Error ? err.message : String(err)}`,

},

{ cause: err },

)

}

}

export * as ConfigMarkdown from "./markdown"