roadmap/quartz/plugins/transformers/lastmod.ts

69 lines
2.1 KiB
TypeScript

import fs from "fs"
import path from 'path'
import { Repository } from "@napi-rs/simple-git"
import { QuartzTransformerPlugin } from "../types"
export interface Options {
priority: ('frontmatter' | 'git' | 'filesystem')[],
}
const defaultOptions: Options = {
priority: ['frontmatter', 'git', 'filesystem']
}
type MaybeDate = undefined | string | number
export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options> | undefined> = (userOpts) => {
const opts = { ...defaultOptions, ...userOpts }
return {
name: "CreatedModifiedDate",
markdownPlugins() {
return [
() => {
let repo: Repository | undefined = undefined
return async (_tree, file) => {
let created: MaybeDate = undefined
let modified: MaybeDate = undefined
let published: MaybeDate = undefined
const fp = path.join(file.cwd, file.data.filePath as string)
for (const source of opts.priority) {
if (source === "filesystem") {
const st = await fs.promises.stat(fp)
created ||= st.birthtimeMs
modified ||= st.mtimeMs
} else if (source === "frontmatter" && file.data.frontmatter) {
created ||= file.data.frontmatter.date
modified ||= file.data.frontmatter.lastmod
modified ||= file.data.frontmatter["last-modified"]
published ||= file.data.frontmatter.publishDate
} else if (source === "git") {
if (!repo) {
repo = new Repository(file.cwd)
}
modified ||= await repo.getFileLatestModifiedDateAsync(file.data.filePath!)
}
}
file.data.dates = {
created: created ? new Date(created) : new Date(),
modified: modified ? new Date(modified) : new Date(),
published: published ? new Date(published) : new Date(),
}
}
}
]
},
}
}
declare module 'vfile' {
interface DataMap {
dates: {
created: Date
modified: Date
published: Date
}
}
}