perf(img): lazy load chunks (#1700)

Aaron Pham

2025-01-03 c98ef7e89f2c63d417d2c9ae364c56308f8501fc

 quartz/plugins/transformers/lastmod.ts

@@ -2,6 +2,7 @@
import path from "path"
import { Repository } from "@napi-rs/simple-git"
import { QuartzTransformerPlugin } from "../types"
import chalk from "chalk"

export interface Options {
  priority: ("frontmatter" | "git" | "filesystem")[]
@@ -11,10 +12,22 @@
  priority: ["frontmatter", "git", "filesystem"],
}

function coerceDate(fp: string, d: any): Date {
  const dt = new Date(d)
  const invalidDate = isNaN(dt.getTime()) || dt.getTime() === 0
  if (invalidDate && d !== undefined) {
    console.log(
      chalk.yellow(
        `\nWarning: found invalid date "${d}" in \`${fp}\`. Supported formats: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date#date_time_string_format`,
      ),
    )
  }

  return invalidDate ? new Date() : dt
}

type MaybeDate = undefined | string | number
export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options> | undefined> = (
  userOpts,
) => {
export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options>> = (userOpts) => {
  const opts = { ...defaultOptions, ...userOpts }
  return {
    name: "CreatedModifiedDate",
@@ -27,31 +40,42 @@
            let modified: MaybeDate = undefined
            let published: MaybeDate = undefined

            const fp = path.posix.join(file.cwd, file.data.filePath as string)
            const fp = file.data.filePath!
            const fullFp = path.isAbsolute(fp) ? fp : path.posix.join(file.cwd, fp)
            for (const source of opts.priority) {
              if (source === "filesystem") {
                const st = await fs.promises.stat(fp)
                const st = await fs.promises.stat(fullFp)
                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.updated
                modified ||= file.data.frontmatter["last-modified"]
                published ||= file.data.frontmatter.publishDate
                created ||= file.data.frontmatter.created as MaybeDate
                modified ||= file.data.frontmatter.modified as MaybeDate
                published ||= file.data.frontmatter.published as MaybeDate
              } else if (source === "git") {
                if (!repo) {
                  repo = new Repository(file.cwd)
                  // Get a reference to the main git repo.
                  // It's either the same as the workdir,
                  // or 1+ level higher in case of a submodule/subtree setup
                  repo = Repository.discover(file.cwd)
                }

                modified ||= await repo.getFileLatestModifiedDateAsync(file.data.filePath!)
                try {
                  modified ||= await repo.getFileLatestModifiedDateAsync(file.data.filePath!)
                } catch {
                  console.log(
                    chalk.yellow(
                      `\nWarning: ${file.data
                        .filePath!} isn't yet tracked by git, last modification date is not available for this file`,
                    ),
                  )
                }
              }
            }

            file.data.dates = {
              created: created ? new Date(created) : new Date(),
              modified: modified ? new Date(modified) : new Date(),
              published: published ? new Date(published) : new Date(),
              created: coerceDate(fp, created),
              modified: coerceDate(fp, modified),
              published: coerceDate(fp, published),
            }
          }
        },