import { NamedError } from "@synsci/util/error"import matter from "gray-matter"import { z } from "zod" export namespace ConfigMarkdown { 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 function fallbackSanitization(content: string): string { const match = content.match(/^---\r?\n([\s\S]*?)\r?\n---/) if (!match) return content const frontmatter = match[1] const lines = frontmatter.split("\n") const result: string[] = [] for (const line of lines) { // skip comments and empty lines if (line.trim().startsWith("#") || line.trim() === "") { result.push(line) continue } // skip lines that are continuations (indented) if (line.match(/^\s+/)) { result.push(line) continue } // match key: value pattern const kvMatch = line.match(/^([a-zA-Z_][a-zA-Z0-9_]*)\s*:\s*(.*)$/) if (!kvMatch) { result.push(line) continue } const key = kvMatch[1] const value = kvMatch[2].trim() // skip if value is empty, already quoted, or uses block scalar if (value === "" || value === ">" || value === "|" || value.startsWith('"') || value.startsWith("'")) { result.push(line) continue } // if value contains a colon, convert to block scalar if (value.includes(":")) { result.push(`${key}: |-`) result.push(` ${value}`) continue } result.push(line) } const processed = result.join("\n") return content.replace(frontmatter, () => processed) } export async function parse(filePath: string) { const template = await Bun.file(filePath).text() try { const md = matter(template) return md } catch { try { return matter(fallbackSanitization(template)) } catch (err) { throw new FrontmatterError( { path: filePath, message: `${filePath}: Failed to parse YAML frontmatter: ${err instanceof Error ? err.message : String(err)}`, }, { cause: err }, ) } } } export const FrontmatterError = NamedError.create( "ConfigFrontmatterError", z.object({ path: z.string(), message: z.string(), }), )}
import { NamedError } from "@synsci/util/error"
import matter from "gray-matter"
import { z } from "zod"
export namespace ConfigMarkdown {
export const FILE_REGEX = /(?<![\w`])@(\.?[^\s`,.]*(?:\.[^\s`,.]+)*)/g
export const SHELL_REGEX = /!`([^`]+)`/g
export function files(template: string) {
return Array.from(template.matchAll(FILE_REGEX))
}
export function shell(template: string) {
return Array.from(template.matchAll(SHELL_REGEX))
}
// other coding agents like claude code allow invalid yaml in their
// frontmatter, we need to fallback to a more permissive parser for those cases
export function fallbackSanitization(content: string): string {
const match = content.match(/^---\r?\n([\s\S]*?)\r?\n---/)
if (!match) return content
const frontmatter = match[1]
const lines = frontmatter.split("\n")
const result: string[] = []
for (const line of lines) {
// skip comments and empty lines
if (line.trim().startsWith("#") || line.trim() === "") {
result.push(line)
continue
}
// skip lines that are continuations (indented)
if (line.match(/^\s+/)) {
result.push(line)
continue
}
// match key: value pattern
const kvMatch = line.match(/^([a-zA-Z_][a-zA-Z0-9_]*)\s*:\s*(.*)$/)
if (!kvMatch) {
result.push(line)
continue
}
const key = kvMatch[1]
const value = kvMatch[2].trim()
// skip if value is empty, already quoted, or uses block scalar
if (value === "" || value === ">" || value === "|" || value.startsWith('"') || value.startsWith("'")) {
result.push(line)
continue
}
// if value contains a colon, convert to block scalar
if (value.includes(":")) {
result.push(`${key}: |-`)
result.push(` ${value}`)
continue
}
result.push(line)
}
const processed = result.join("\n")
return content.replace(frontmatter, () => processed)
}
export async function parse(filePath: string) {
const template = await Bun.file(filePath).text()
try {
const md = matter(template)
return md
} catch {
try {
return matter(fallbackSanitization(template))
} catch (err) {
throw new FrontmatterError(
{
path: filePath,
message: `${filePath}: Failed to parse YAML frontmatter: ${err instanceof Error ? err.message : String(err)}`,
},
{ cause: err },
)
}
}
}
export const FrontmatterError = NamedError.create(
"ConfigFrontmatterError",
z.object({
path: z.string(),
message: z.string(),
}),
)
}