quartz-research-note/quartz/plugins/transformers/lastmod.ts
2023-05-30 08:02:20 -07:00

81 lines
2.2 KiB
TypeScript

import { PluggableList } from "unified"
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']
}
export class CreatedModifiedDate extends QuartzTransformerPlugin {
name = "CreatedModifiedDate"
opts: Options
constructor(opts?: Options) {
super()
this.opts = {
...defaultOptions,
...opts,
}
}
markdownPlugins(): PluggableList {
return [
() => {
let repo: Repository | undefined = undefined
return async (_tree, file) => {
let created: undefined | Date = undefined
let modified: undefined | Date = undefined
let published: undefined | Date = undefined
const fp = path.join(file.cwd, file.data.filePath as string)
for (const source of this.opts.priority) {
if (source === "filesystem") {
const st = await fs.promises.stat(fp)
created ||= new Date(st.birthtimeMs)
modified ||= new Date(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") {
console.log(file)
if (!repo) {
repo = new Repository(file.cwd)
}
modified ||= new Date(await repo.getFileLatestModifiedDateAsync(fp))
}
}
file.data.dates = {
created: created ?? new Date(),
modified: modified ?? new Date(),
published: published ?? new Date()
}
}
}
]
}
htmlPlugins(): PluggableList {
return []
}
}
declare module 'vfile' {
interface DataMap {
dates: {
created: Date
modified: Date
published: Date
}
}
}