35 lines
895 B
TypeScript
35 lines
895 B
TypeScript
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export interface FrontmatterResult<T = Record<string, string>> {
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data: T
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body: string
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}
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export function parseFrontmatter<T = Record<string, string>>(
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content: string
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): FrontmatterResult<T> {
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const frontmatterRegex = /^---\r?\n([\s\S]*?)\r?\n---\r?\n([\s\S]*)$/
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const match = content.match(frontmatterRegex)
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if (!match) {
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return { data: {} as T, body: content }
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}
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const yamlContent = match[1]
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const body = match[2]
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const data: Record<string, string | boolean> = {}
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for (const line of yamlContent.split("\n")) {
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const colonIndex = line.indexOf(":")
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if (colonIndex !== -1) {
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const key = line.slice(0, colonIndex).trim()
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let value: string | boolean = line.slice(colonIndex + 1).trim()
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if (value === "true") value = true
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else if (value === "false") value = false
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data[key] = value
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}
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}
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return { data: data as T, body }
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}
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